aclocal.m4 revision 33adc6ac
1# generated automatically by aclocal 1.16.5 -*- Autoconf -*- 2 3# Copyright (C) 1996-2021 Free Software Foundation, Inc. 4 5# This file is free software; the Free Software Foundation 6# gives unlimited permission to copy and/or distribute it, 7# with or without modifications, as long as this notice is preserved. 8 9# This program is distributed in the hope that it will be useful, 10# but WITHOUT ANY WARRANTY, to the extent permitted by law; without 11# even the implied warranty of MERCHANTABILITY or FITNESS FOR A 12# PARTICULAR PURPOSE. 13 14m4_ifndef([AC_CONFIG_MACRO_DIRS], [m4_defun([_AM_CONFIG_MACRO_DIRS], [])m4_defun([AC_CONFIG_MACRO_DIRS], [_AM_CONFIG_MACRO_DIRS($@)])]) 15m4_ifndef([AC_AUTOCONF_VERSION], 16 [m4_copy([m4_PACKAGE_VERSION], [AC_AUTOCONF_VERSION])])dnl 17m4_if(m4_defn([AC_AUTOCONF_VERSION]), [2.72],, 18[m4_warning([this file was generated for autoconf 2.72. 19You have another version of autoconf. It may work, but is not guaranteed to. 20If you have problems, you may need to regenerate the build system entirely. 21To do so, use the procedure documented by the package, typically 'autoreconf'.])]) 22 23# pkg.m4 - Macros to locate and use pkg-config. -*- Autoconf -*- 24# serial 12 (pkg-config-0.29.2) 25 26dnl Copyright © 2004 Scott James Remnant <scott@netsplit.com>. 27dnl Copyright © 2012-2015 Dan Nicholson <dbn.lists@gmail.com> 28dnl 29dnl This program is free software; you can redistribute it and/or modify 30dnl it under the terms of the GNU General Public License as published by 31dnl the Free Software Foundation; either version 2 of the License, or 32dnl (at your option) any later version. 33dnl 34dnl This program is distributed in the hope that it will be useful, but 35dnl WITHOUT ANY WARRANTY; without even the implied warranty of 36dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 37dnl General Public License for more details. 38dnl 39dnl You should have received a copy of the GNU General Public License 40dnl along with this program; if not, write to the Free Software 41dnl Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 42dnl 02111-1307, USA. 43dnl 44dnl As a special exception to the GNU General Public License, if you 45dnl distribute this file as part of a program that contains a 46dnl configuration script generated by Autoconf, you may include it under 47dnl the same distribution terms that you use for the rest of that 48dnl program. 49 50dnl PKG_PREREQ(MIN-VERSION) 51dnl ----------------------- 52dnl Since: 0.29 53dnl 54dnl Verify that the version of the pkg-config macros are at least 55dnl MIN-VERSION. Unlike PKG_PROG_PKG_CONFIG, which checks the user's 56dnl installed version of pkg-config, this checks the developer's version 57dnl of pkg.m4 when generating configure. 58dnl 59dnl To ensure that this macro is defined, also add: 60dnl m4_ifndef([PKG_PREREQ], 61dnl [m4_fatal([must install pkg-config 0.29 or later before running autoconf/autogen])]) 62dnl 63dnl See the "Since" comment for each macro you use to see what version 64dnl of the macros you require. 65m4_defun([PKG_PREREQ], 66[m4_define([PKG_MACROS_VERSION], [0.29.2]) 67m4_if(m4_version_compare(PKG_MACROS_VERSION, [$1]), -1, 68 [m4_fatal([pkg.m4 version $1 or higher is required but ]PKG_MACROS_VERSION[ found])]) 69])dnl PKG_PREREQ 70 71dnl PKG_PROG_PKG_CONFIG([MIN-VERSION], [ACTION-IF-NOT-FOUND]) 72dnl --------------------------------------------------------- 73dnl Since: 0.16 74dnl 75dnl Search for the pkg-config tool and set the PKG_CONFIG variable to 76dnl first found in the path. Checks that the version of pkg-config found 77dnl is at least MIN-VERSION. If MIN-VERSION is not specified, 0.9.0 is 78dnl used since that's the first version where most current features of 79dnl pkg-config existed. 80dnl 81dnl If pkg-config is not found or older than specified, it will result 82dnl in an empty PKG_CONFIG variable. To avoid widespread issues with 83dnl scripts not checking it, ACTION-IF-NOT-FOUND defaults to aborting. 84dnl You can specify [PKG_CONFIG=false] as an action instead, which would 85dnl result in pkg-config tests failing, but no bogus error messages. 86AC_DEFUN([PKG_PROG_PKG_CONFIG], 87[m4_pattern_forbid([^_?PKG_[A-Z_]+$]) 88m4_pattern_allow([^PKG_CONFIG(_(PATH|LIBDIR|SYSROOT_DIR|ALLOW_SYSTEM_(CFLAGS|LIBS)))?$]) 89m4_pattern_allow([^PKG_CONFIG_(DISABLE_UNINSTALLED|TOP_BUILD_DIR|DEBUG_SPEW)$]) 90AC_ARG_VAR([PKG_CONFIG], [path to pkg-config utility]) 91AC_ARG_VAR([PKG_CONFIG_PATH], [directories to add to pkg-config's search path]) 92AC_ARG_VAR([PKG_CONFIG_LIBDIR], [path overriding pkg-config's built-in search path]) 93 94if test "x$ac_cv_env_PKG_CONFIG_set" != "xset"; then 95 AC_PATH_TOOL([PKG_CONFIG], [pkg-config]) 96fi 97if test -n "$PKG_CONFIG"; then 98 _pkg_min_version=m4_default([$1], [0.9.0]) 99 AC_MSG_CHECKING([pkg-config is at least version $_pkg_min_version]) 100 if $PKG_CONFIG --atleast-pkgconfig-version $_pkg_min_version; then 101 AC_MSG_RESULT([yes]) 102 else 103 AC_MSG_RESULT([no]) 104 PKG_CONFIG="" 105 fi 106fi 107if test -z "$PKG_CONFIG"; then 108 m4_default([$2], [AC_MSG_ERROR([pkg-config not found])]) 109fi[]dnl 110])dnl PKG_PROG_PKG_CONFIG 111 112dnl PKG_CHECK_EXISTS(MODULES, [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND]) 113dnl ------------------------------------------------------------------- 114dnl Since: 0.18 115dnl 116dnl Check to see whether a particular set of modules exists. Similar to 117dnl PKG_CHECK_MODULES(), but does not set variables or print errors. 118dnl 119dnl Please remember that m4 expands AC_REQUIRE([PKG_PROG_PKG_CONFIG]) 120dnl only at the first occurrence in configure.ac, so if the first place 121dnl it's called might be skipped (such as if it is within an "if", you 122dnl have to call PKG_CHECK_EXISTS manually 123AC_DEFUN([PKG_CHECK_EXISTS], 124[AC_REQUIRE([PKG_PROG_PKG_CONFIG])dnl 125if test -n "$PKG_CONFIG" && \ 126 AC_RUN_LOG([$PKG_CONFIG --exists --print-errors "$1"]); then 127 m4_default([$2], [:]) 128m4_ifvaln([$3], [else 129 $3])dnl 130fi]) 131 132dnl _PKG_CONFIG([VARIABLE], [COMMAND], [MODULES]) 133dnl --------------------------------------------- 134dnl Internal wrapper calling pkg-config via PKG_CONFIG and setting 135dnl pkg_failed based on the result. 136m4_define([_PKG_CONFIG], 137[if test -n "$$1"; then 138 pkg_cv_[]$1="$$1" 139 elif test -n "$PKG_CONFIG"; then 140 PKG_CHECK_EXISTS([$3], 141 [pkg_cv_[]$1=`$PKG_CONFIG --[]$2 "$3" 2>/dev/null` 142 test "x$?" != "x0" && pkg_failed=yes ], 143 [pkg_failed=yes]) 144 else 145 pkg_failed=untried 146fi[]dnl 147])dnl _PKG_CONFIG 148 149dnl _PKG_SHORT_ERRORS_SUPPORTED 150dnl --------------------------- 151dnl Internal check to see if pkg-config supports short errors. 152AC_DEFUN([_PKG_SHORT_ERRORS_SUPPORTED], 153[AC_REQUIRE([PKG_PROG_PKG_CONFIG]) 154if $PKG_CONFIG --atleast-pkgconfig-version 0.20; then 155 _pkg_short_errors_supported=yes 156else 157 _pkg_short_errors_supported=no 158fi[]dnl 159])dnl _PKG_SHORT_ERRORS_SUPPORTED 160 161 162dnl PKG_CHECK_MODULES(VARIABLE-PREFIX, MODULES, [ACTION-IF-FOUND], 163dnl [ACTION-IF-NOT-FOUND]) 164dnl -------------------------------------------------------------- 165dnl Since: 0.4.0 166dnl 167dnl Note that if there is a possibility the first call to 168dnl PKG_CHECK_MODULES might not happen, you should be sure to include an 169dnl explicit call to PKG_PROG_PKG_CONFIG in your configure.ac 170AC_DEFUN([PKG_CHECK_MODULES], 171[AC_REQUIRE([PKG_PROG_PKG_CONFIG])dnl 172AC_ARG_VAR([$1][_CFLAGS], [C compiler flags for $1, overriding pkg-config])dnl 173AC_ARG_VAR([$1][_LIBS], [linker flags for $1, overriding pkg-config])dnl 174 175pkg_failed=no 176AC_MSG_CHECKING([for $2]) 177 178_PKG_CONFIG([$1][_CFLAGS], [cflags], [$2]) 179_PKG_CONFIG([$1][_LIBS], [libs], [$2]) 180 181m4_define([_PKG_TEXT], [Alternatively, you may set the environment variables $1[]_CFLAGS 182and $1[]_LIBS to avoid the need to call pkg-config. 183See the pkg-config man page for more details.]) 184 185if test $pkg_failed = yes; then 186 AC_MSG_RESULT([no]) 187 _PKG_SHORT_ERRORS_SUPPORTED 188 if test $_pkg_short_errors_supported = yes; then 189 $1[]_PKG_ERRORS=`$PKG_CONFIG --short-errors --print-errors --cflags --libs "$2" 2>&1` 190 else 191 $1[]_PKG_ERRORS=`$PKG_CONFIG --print-errors --cflags --libs "$2" 2>&1` 192 fi 193 # Put the nasty error message in config.log where it belongs 194 echo "$$1[]_PKG_ERRORS" >&AS_MESSAGE_LOG_FD 195 196 m4_default([$4], [AC_MSG_ERROR( 197[Package requirements ($2) were not met: 198 199$$1_PKG_ERRORS 200 201Consider adjusting the PKG_CONFIG_PATH environment variable if you 202installed software in a non-standard prefix. 203 204_PKG_TEXT])[]dnl 205 ]) 206elif test $pkg_failed = untried; then 207 AC_MSG_RESULT([no]) 208 m4_default([$4], [AC_MSG_FAILURE( 209[The pkg-config script could not be found or is too old. Make sure it 210is in your PATH or set the PKG_CONFIG environment variable to the full 211path to pkg-config. 212 213_PKG_TEXT 214 215To get pkg-config, see <http://pkg-config.freedesktop.org/>.])[]dnl 216 ]) 217else 218 $1[]_CFLAGS=$pkg_cv_[]$1[]_CFLAGS 219 $1[]_LIBS=$pkg_cv_[]$1[]_LIBS 220 AC_MSG_RESULT([yes]) 221 $3 222fi[]dnl 223])dnl PKG_CHECK_MODULES 224 225 226dnl PKG_CHECK_MODULES_STATIC(VARIABLE-PREFIX, MODULES, [ACTION-IF-FOUND], 227dnl [ACTION-IF-NOT-FOUND]) 228dnl --------------------------------------------------------------------- 229dnl Since: 0.29 230dnl 231dnl Checks for existence of MODULES and gathers its build flags with 232dnl static libraries enabled. Sets VARIABLE-PREFIX_CFLAGS from --cflags 233dnl and VARIABLE-PREFIX_LIBS from --libs. 234dnl 235dnl Note that if there is a possibility the first call to 236dnl PKG_CHECK_MODULES_STATIC might not happen, you should be sure to 237dnl include an explicit call to PKG_PROG_PKG_CONFIG in your 238dnl configure.ac. 239AC_DEFUN([PKG_CHECK_MODULES_STATIC], 240[AC_REQUIRE([PKG_PROG_PKG_CONFIG])dnl 241_save_PKG_CONFIG=$PKG_CONFIG 242PKG_CONFIG="$PKG_CONFIG --static" 243PKG_CHECK_MODULES($@) 244PKG_CONFIG=$_save_PKG_CONFIG[]dnl 245])dnl PKG_CHECK_MODULES_STATIC 246 247 248dnl PKG_INSTALLDIR([DIRECTORY]) 249dnl ------------------------- 250dnl Since: 0.27 251dnl 252dnl Substitutes the variable pkgconfigdir as the location where a module 253dnl should install pkg-config .pc files. By default the directory is 254dnl $libdir/pkgconfig, but the default can be changed by passing 255dnl DIRECTORY. The user can override through the --with-pkgconfigdir 256dnl parameter. 257AC_DEFUN([PKG_INSTALLDIR], 258[m4_pushdef([pkg_default], [m4_default([$1], ['${libdir}/pkgconfig'])]) 259m4_pushdef([pkg_description], 260 [pkg-config installation directory @<:@]pkg_default[@:>@]) 261AC_ARG_WITH([pkgconfigdir], 262 [AS_HELP_STRING([--with-pkgconfigdir], pkg_description)],, 263 [with_pkgconfigdir=]pkg_default) 264AC_SUBST([pkgconfigdir], [$with_pkgconfigdir]) 265m4_popdef([pkg_default]) 266m4_popdef([pkg_description]) 267])dnl PKG_INSTALLDIR 268 269 270dnl PKG_NOARCH_INSTALLDIR([DIRECTORY]) 271dnl -------------------------------- 272dnl Since: 0.27 273dnl 274dnl Substitutes the variable noarch_pkgconfigdir as the location where a 275dnl module should install arch-independent pkg-config .pc files. By 276dnl default the directory is $datadir/pkgconfig, but the default can be 277dnl changed by passing DIRECTORY. The user can override through the 278dnl --with-noarch-pkgconfigdir parameter. 279AC_DEFUN([PKG_NOARCH_INSTALLDIR], 280[m4_pushdef([pkg_default], [m4_default([$1], ['${datadir}/pkgconfig'])]) 281m4_pushdef([pkg_description], 282 [pkg-config arch-independent installation directory @<:@]pkg_default[@:>@]) 283AC_ARG_WITH([noarch-pkgconfigdir], 284 [AS_HELP_STRING([--with-noarch-pkgconfigdir], pkg_description)],, 285 [with_noarch_pkgconfigdir=]pkg_default) 286AC_SUBST([noarch_pkgconfigdir], [$with_noarch_pkgconfigdir]) 287m4_popdef([pkg_default]) 288m4_popdef([pkg_description]) 289])dnl PKG_NOARCH_INSTALLDIR 290 291 292dnl PKG_CHECK_VAR(VARIABLE, MODULE, CONFIG-VARIABLE, 293dnl [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND]) 294dnl ------------------------------------------- 295dnl Since: 0.28 296dnl 297dnl Retrieves the value of the pkg-config variable for the given module. 298AC_DEFUN([PKG_CHECK_VAR], 299[AC_REQUIRE([PKG_PROG_PKG_CONFIG])dnl 300AC_ARG_VAR([$1], [value of $3 for $2, overriding pkg-config])dnl 301 302_PKG_CONFIG([$1], [variable="][$3]["], [$2]) 303AS_VAR_COPY([$1], [pkg_cv_][$1]) 304 305AS_VAR_IF([$1], [""], [$5], [$4])dnl 306])dnl PKG_CHECK_VAR 307 308dnl PKG_WITH_MODULES(VARIABLE-PREFIX, MODULES, 309dnl [ACTION-IF-FOUND],[ACTION-IF-NOT-FOUND], 310dnl [DESCRIPTION], [DEFAULT]) 311dnl ------------------------------------------ 312dnl 313dnl Prepare a "--with-" configure option using the lowercase 314dnl [VARIABLE-PREFIX] name, merging the behaviour of AC_ARG_WITH and 315dnl PKG_CHECK_MODULES in a single macro. 316AC_DEFUN([PKG_WITH_MODULES], 317[ 318m4_pushdef([with_arg], m4_tolower([$1])) 319 320m4_pushdef([description], 321 [m4_default([$5], [build with ]with_arg[ support])]) 322 323m4_pushdef([def_arg], [m4_default([$6], [auto])]) 324m4_pushdef([def_action_if_found], [AS_TR_SH([with_]with_arg)=yes]) 325m4_pushdef([def_action_if_not_found], [AS_TR_SH([with_]with_arg)=no]) 326 327m4_case(def_arg, 328 [yes],[m4_pushdef([with_without], [--without-]with_arg)], 329 [m4_pushdef([with_without],[--with-]with_arg)]) 330 331AC_ARG_WITH(with_arg, 332 AS_HELP_STRING(with_without, description[ @<:@default=]def_arg[@:>@]),, 333 [AS_TR_SH([with_]with_arg)=def_arg]) 334 335AS_CASE([$AS_TR_SH([with_]with_arg)], 336 [yes],[PKG_CHECK_MODULES([$1],[$2],$3,$4)], 337 [auto],[PKG_CHECK_MODULES([$1],[$2], 338 [m4_n([def_action_if_found]) $3], 339 [m4_n([def_action_if_not_found]) $4])]) 340 341m4_popdef([with_arg]) 342m4_popdef([description]) 343m4_popdef([def_arg]) 344 345])dnl PKG_WITH_MODULES 346 347dnl PKG_HAVE_WITH_MODULES(VARIABLE-PREFIX, MODULES, 348dnl [DESCRIPTION], [DEFAULT]) 349dnl ----------------------------------------------- 350dnl 351dnl Convenience macro to trigger AM_CONDITIONAL after PKG_WITH_MODULES 352dnl check._[VARIABLE-PREFIX] is exported as make variable. 353AC_DEFUN([PKG_HAVE_WITH_MODULES], 354[ 355PKG_WITH_MODULES([$1],[$2],,,[$3],[$4]) 356 357AM_CONDITIONAL([HAVE_][$1], 358 [test "$AS_TR_SH([with_]m4_tolower([$1]))" = "yes"]) 359])dnl PKG_HAVE_WITH_MODULES 360 361dnl PKG_HAVE_DEFINE_WITH_MODULES(VARIABLE-PREFIX, MODULES, 362dnl [DESCRIPTION], [DEFAULT]) 363dnl ------------------------------------------------------ 364dnl 365dnl Convenience macro to run AM_CONDITIONAL and AC_DEFINE after 366dnl PKG_WITH_MODULES check. HAVE_[VARIABLE-PREFIX] is exported as make 367dnl and preprocessor variable. 368AC_DEFUN([PKG_HAVE_DEFINE_WITH_MODULES], 369[ 370PKG_HAVE_WITH_MODULES([$1],[$2],[$3],[$4]) 371 372AS_IF([test "$AS_TR_SH([with_]m4_tolower([$1]))" = "yes"], 373 [AC_DEFINE([HAVE_][$1], 1, [Enable ]m4_tolower([$1])[ support])]) 374])dnl PKG_HAVE_DEFINE_WITH_MODULES 375 376dnl xorg-macros.m4. Generated from xorg-macros.m4.in xorgversion.m4 by configure. 377dnl 378dnl Copyright (c) 2005, 2023, Oracle and/or its affiliates. 379dnl 380dnl Permission is hereby granted, free of charge, to any person obtaining a 381dnl copy of this software and associated documentation files (the "Software"), 382dnl to deal in the Software without restriction, including without limitation 383dnl the rights to use, copy, modify, merge, publish, distribute, sublicense, 384dnl and/or sell copies of the Software, and to permit persons to whom the 385dnl Software is furnished to do so, subject to the following conditions: 386dnl 387dnl The above copyright notice and this permission notice (including the next 388dnl paragraph) shall be included in all copies or substantial portions of the 389dnl Software. 390dnl 391dnl THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 392dnl IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 393dnl FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 394dnl THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 395dnl LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING 396dnl FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER 397dnl DEALINGS IN THE SOFTWARE. 398 399# XORG_MACROS_VERSION(required-version) 400# ------------------------------------- 401# Minimum version: 1.1.0 402# 403# If you're using a macro added in Version 1.1 or newer, include this in 404# your configure.ac with the minimum required version, such as: 405# XORG_MACROS_VERSION(1.1) 406# 407# To ensure that this macro is defined, also add: 408# m4_ifndef([XORG_MACROS_VERSION], 409# [m4_fatal([must install xorg-macros 1.1 or later before running autoconf/autogen])]) 410# 411# 412# See the "minimum version" comment for each macro you use to see what 413# version you require. 414m4_defun([XORG_MACROS_VERSION],[ 415m4_define([vers_have], [1.20.1]) 416m4_define([maj_have], m4_substr(vers_have, 0, m4_index(vers_have, [.]))) 417m4_define([maj_needed], m4_substr([$1], 0, m4_index([$1], [.]))) 418m4_if(m4_cmp(maj_have, maj_needed), 0,, 419 [m4_fatal([xorg-macros major version ]maj_needed[ is required but ]vers_have[ found])]) 420m4_if(m4_version_compare(vers_have, [$1]), -1, 421 [m4_fatal([xorg-macros version $1 or higher is required but ]vers_have[ found])]) 422m4_undefine([vers_have]) 423m4_undefine([maj_have]) 424m4_undefine([maj_needed]) 425]) # XORG_MACROS_VERSION 426 427# XORG_PROG_RAWCPP() 428# ------------------ 429# Minimum version: 1.0.0 430# 431# Find cpp program and necessary flags for use in pre-processing text files 432# such as man pages and config files 433AC_DEFUN([XORG_PROG_RAWCPP],[ 434AC_REQUIRE([AC_PROG_CPP]) 435AC_PATH_TOOL(RAWCPP, [cpp], [${CPP}], 436 [$PATH:/bin:/usr/bin:/usr/lib:/usr/libexec:/usr/ccs/lib:/usr/ccs/lbin:/lib]) 437 438# Check for flag to avoid builtin definitions - assumes unix is predefined, 439# which is not the best choice for supporting other OS'es, but covers most 440# of the ones we need for now. 441AC_MSG_CHECKING([if $RAWCPP requires -undef]) 442AC_LANG_CONFTEST([AC_LANG_SOURCE([[Does cpp redefine unix ?]])]) 443if test `${RAWCPP} < conftest.$ac_ext | grep -c 'unix'` -eq 1 ; then 444 AC_MSG_RESULT([no]) 445else 446 if test `${RAWCPP} -undef < conftest.$ac_ext | grep -c 'unix'` -eq 1 ; then 447 RAWCPPFLAGS=-undef 448 AC_MSG_RESULT([yes]) 449 # under Cygwin unix is still defined even with -undef 450 elif test `${RAWCPP} -undef -ansi < conftest.$ac_ext | grep -c 'unix'` -eq 1 ; then 451 RAWCPPFLAGS="-undef -ansi" 452 AC_MSG_RESULT([yes, with -ansi]) 453 else 454 AC_MSG_ERROR([${RAWCPP} defines unix with or without -undef. I don't know what to do.]) 455 fi 456fi 457rm -f conftest.$ac_ext 458 459AC_MSG_CHECKING([if $RAWCPP requires -traditional]) 460AC_LANG_CONFTEST([AC_LANG_SOURCE([[Does cpp preserve "whitespace"?]])]) 461if test `${RAWCPP} < conftest.$ac_ext | grep -c 'preserve "'` -eq 1 ; then 462 AC_MSG_RESULT([no]) 463else 464 if test `${RAWCPP} -traditional < conftest.$ac_ext | grep -c 'preserve "'` -eq 1 ; then 465 TRADITIONALCPPFLAGS="-traditional" 466 RAWCPPFLAGS="${RAWCPPFLAGS} -traditional" 467 AC_MSG_RESULT([yes]) 468 else 469 AC_MSG_ERROR([${RAWCPP} does not preserve whitespace with or without -traditional. I don't know what to do.]) 470 fi 471fi 472rm -f conftest.$ac_ext 473AC_SUBST(RAWCPPFLAGS) 474AC_SUBST(TRADITIONALCPPFLAGS) 475]) # XORG_PROG_RAWCPP 476 477# XORG_MANPAGE_SECTIONS() 478# ----------------------- 479# Minimum version: 1.0.0 480# 481# Determine which sections man pages go in for the different man page types 482# on this OS - replaces *ManSuffix settings in old Imake *.cf per-os files. 483# Not sure if there's any better way than just hardcoding by OS name. 484# Override default settings by setting environment variables 485# Added MAN_SUBSTS in version 1.8 486# Added AC_PROG_SED in version 1.8 487 488AC_DEFUN([XORG_MANPAGE_SECTIONS],[ 489AC_REQUIRE([AC_CANONICAL_HOST]) 490AC_REQUIRE([AC_PROG_SED]) 491 492case $host_os in 493 solaris*) 494 # Solaris 2.0 - 11.3 use SysV man page section numbers, so we 495 # check for a man page file found in later versions that use 496 # traditional section numbers instead 497 AC_CHECK_FILE([/usr/share/man/man7/attributes.7], 498 [SYSV_MAN_SECTIONS=false], [SYSV_MAN_SECTIONS=true]) 499 ;; 500 *) SYSV_MAN_SECTIONS=false ;; 501esac 502 503if test x$APP_MAN_SUFFIX = x ; then 504 APP_MAN_SUFFIX=1 505fi 506if test x$APP_MAN_DIR = x ; then 507 APP_MAN_DIR='$(mandir)/man$(APP_MAN_SUFFIX)' 508fi 509 510if test x$LIB_MAN_SUFFIX = x ; then 511 LIB_MAN_SUFFIX=3 512fi 513if test x$LIB_MAN_DIR = x ; then 514 LIB_MAN_DIR='$(mandir)/man$(LIB_MAN_SUFFIX)' 515fi 516 517if test x$FILE_MAN_SUFFIX = x ; then 518 case $SYSV_MAN_SECTIONS in 519 true) FILE_MAN_SUFFIX=4 ;; 520 *) FILE_MAN_SUFFIX=5 ;; 521 esac 522fi 523if test x$FILE_MAN_DIR = x ; then 524 FILE_MAN_DIR='$(mandir)/man$(FILE_MAN_SUFFIX)' 525fi 526 527if test x$MISC_MAN_SUFFIX = x ; then 528 case $SYSV_MAN_SECTIONS in 529 true) MISC_MAN_SUFFIX=5 ;; 530 *) MISC_MAN_SUFFIX=7 ;; 531 esac 532fi 533if test x$MISC_MAN_DIR = x ; then 534 MISC_MAN_DIR='$(mandir)/man$(MISC_MAN_SUFFIX)' 535fi 536 537if test x$DRIVER_MAN_SUFFIX = x ; then 538 case $SYSV_MAN_SECTIONS in 539 true) DRIVER_MAN_SUFFIX=7 ;; 540 *) DRIVER_MAN_SUFFIX=4 ;; 541 esac 542fi 543if test x$DRIVER_MAN_DIR = x ; then 544 DRIVER_MAN_DIR='$(mandir)/man$(DRIVER_MAN_SUFFIX)' 545fi 546 547if test x$ADMIN_MAN_SUFFIX = x ; then 548 case $SYSV_MAN_SECTIONS in 549 true) ADMIN_MAN_SUFFIX=1m ;; 550 *) ADMIN_MAN_SUFFIX=8 ;; 551 esac 552fi 553if test x$ADMIN_MAN_DIR = x ; then 554 ADMIN_MAN_DIR='$(mandir)/man$(ADMIN_MAN_SUFFIX)' 555fi 556 557 558AC_SUBST([APP_MAN_SUFFIX]) 559AC_SUBST([LIB_MAN_SUFFIX]) 560AC_SUBST([FILE_MAN_SUFFIX]) 561AC_SUBST([MISC_MAN_SUFFIX]) 562AC_SUBST([DRIVER_MAN_SUFFIX]) 563AC_SUBST([ADMIN_MAN_SUFFIX]) 564AC_SUBST([APP_MAN_DIR]) 565AC_SUBST([LIB_MAN_DIR]) 566AC_SUBST([FILE_MAN_DIR]) 567AC_SUBST([MISC_MAN_DIR]) 568AC_SUBST([DRIVER_MAN_DIR]) 569AC_SUBST([ADMIN_MAN_DIR]) 570 571XORG_MAN_PAGE="X Version 11" 572AC_SUBST([XORG_MAN_PAGE]) 573MAN_SUBSTS="\ 574 -e 's|__vendorversion__|\"\$(PACKAGE_STRING)\" \"\$(XORG_MAN_PAGE)\"|' \ 575 -e 's|__xorgversion__|\"\$(PACKAGE_STRING)\" \"\$(XORG_MAN_PAGE)\"|' \ 576 -e 's|__xservername__|Xorg|g' \ 577 -e 's|__xconfigfile__|xorg.conf|g' \ 578 -e 's|__projectroot__|\$(prefix)|g' \ 579 -e 's|__apploaddir__|\$(appdefaultdir)|g' \ 580 -e 's|__appmansuffix__|\$(APP_MAN_SUFFIX)|g' \ 581 -e 's|__drivermansuffix__|\$(DRIVER_MAN_SUFFIX)|g' \ 582 -e 's|__adminmansuffix__|\$(ADMIN_MAN_SUFFIX)|g' \ 583 -e 's|__libmansuffix__|\$(LIB_MAN_SUFFIX)|g' \ 584 -e 's|__miscmansuffix__|\$(MISC_MAN_SUFFIX)|g' \ 585 -e 's|__filemansuffix__|\$(FILE_MAN_SUFFIX)|g'" 586AC_SUBST([MAN_SUBSTS]) 587 588]) # XORG_MANPAGE_SECTIONS 589 590# XORG_CHECK_SGML_DOCTOOLS([MIN-VERSION]) 591# ------------------------ 592# Minimum version: 1.7.0 593# 594# Defines the variable XORG_SGML_PATH containing the location of X11/defs.ent 595# provided by xorg-sgml-doctools, if installed. 596AC_DEFUN([XORG_CHECK_SGML_DOCTOOLS],[ 597AC_MSG_CHECKING([for X.Org SGML entities m4_ifval([$1],[>= $1])]) 598XORG_SGML_PATH= 599PKG_CHECK_EXISTS([xorg-sgml-doctools m4_ifval([$1],[>= $1])], 600 [XORG_SGML_PATH=`$PKG_CONFIG --variable=sgmlrootdir xorg-sgml-doctools`], 601 [m4_ifval([$1],[:], 602 [if test x"$cross_compiling" != x"yes" ; then 603 AC_CHECK_FILE([$prefix/share/sgml/X11/defs.ent], 604 [XORG_SGML_PATH=$prefix/share/sgml]) 605 fi]) 606 ]) 607 608# Define variables STYLESHEET_SRCDIR and XSL_STYLESHEET containing 609# the path and the name of the doc stylesheet 610if test "x$XORG_SGML_PATH" != "x" ; then 611 AC_MSG_RESULT([$XORG_SGML_PATH]) 612 STYLESHEET_SRCDIR=$XORG_SGML_PATH/X11 613 XSL_STYLESHEET=$STYLESHEET_SRCDIR/xorg.xsl 614else 615 AC_MSG_RESULT([no]) 616fi 617 618AC_SUBST(XORG_SGML_PATH) 619AC_SUBST(STYLESHEET_SRCDIR) 620AC_SUBST(XSL_STYLESHEET) 621AM_CONDITIONAL([HAVE_STYLESHEETS], [test "x$XSL_STYLESHEET" != "x"]) 622]) # XORG_CHECK_SGML_DOCTOOLS 623 624# XORG_CHECK_LINUXDOC 625# ------------------- 626# Minimum version: 1.0.0 627# 628# Defines the variable MAKE_TEXT if the necessary tools and 629# files are found. $(MAKE_TEXT) blah.sgml will then produce blah.txt. 630# Whether or not the necessary tools and files are found can be checked 631# with the AM_CONDITIONAL "BUILD_LINUXDOC" 632AC_DEFUN([XORG_CHECK_LINUXDOC],[ 633AC_REQUIRE([XORG_CHECK_SGML_DOCTOOLS]) 634AC_REQUIRE([XORG_WITH_PS2PDF]) 635 636AC_PATH_PROG(LINUXDOC, linuxdoc) 637 638AC_MSG_CHECKING([whether to build documentation]) 639 640if test x$XORG_SGML_PATH != x && test x$LINUXDOC != x ; then 641 BUILDDOC=yes 642else 643 BUILDDOC=no 644fi 645 646AM_CONDITIONAL(BUILD_LINUXDOC, [test x$BUILDDOC = xyes]) 647 648AC_MSG_RESULT([$BUILDDOC]) 649 650AC_MSG_CHECKING([whether to build pdf documentation]) 651 652if test x$have_ps2pdf != xno && test x$BUILD_PDFDOC != xno; then 653 BUILDPDFDOC=yes 654else 655 BUILDPDFDOC=no 656fi 657 658AM_CONDITIONAL(BUILD_PDFDOC, [test x$BUILDPDFDOC = xyes]) 659 660AC_MSG_RESULT([$BUILDPDFDOC]) 661 662MAKE_TEXT="SGML_SEARCH_PATH=$XORG_SGML_PATH GROFF_NO_SGR=y $LINUXDOC -B txt -f" 663MAKE_PS="SGML_SEARCH_PATH=$XORG_SGML_PATH $LINUXDOC -B latex --papersize=letter --output=ps" 664MAKE_PDF="$PS2PDF" 665MAKE_HTML="SGML_SEARCH_PATH=$XORG_SGML_PATH $LINUXDOC -B html --split=0" 666 667AC_SUBST(MAKE_TEXT) 668AC_SUBST(MAKE_PS) 669AC_SUBST(MAKE_PDF) 670AC_SUBST(MAKE_HTML) 671]) # XORG_CHECK_LINUXDOC 672 673# XORG_CHECK_DOCBOOK 674# ------------------- 675# Minimum version: 1.0.0 676# 677# Checks for the ability to build output formats from SGML DocBook source. 678# For XXX in {TXT, PDF, PS, HTML}, the AM_CONDITIONAL "BUILD_XXXDOC" 679# indicates whether the necessary tools and files are found and, if set, 680# $(MAKE_XXX) blah.sgml will produce blah.xxx. 681AC_DEFUN([XORG_CHECK_DOCBOOK],[ 682AC_REQUIRE([XORG_CHECK_SGML_DOCTOOLS]) 683 684BUILDTXTDOC=no 685BUILDPDFDOC=no 686BUILDPSDOC=no 687BUILDHTMLDOC=no 688 689AC_PATH_PROG(DOCBOOKPS, docbook2ps) 690AC_PATH_PROG(DOCBOOKPDF, docbook2pdf) 691AC_PATH_PROG(DOCBOOKHTML, docbook2html) 692AC_PATH_PROG(DOCBOOKTXT, docbook2txt) 693 694AC_MSG_CHECKING([whether to build text documentation]) 695if test x$XORG_SGML_PATH != x && test x$DOCBOOKTXT != x && 696 test x$BUILD_TXTDOC != xno; then 697 BUILDTXTDOC=yes 698fi 699AM_CONDITIONAL(BUILD_TXTDOC, [test x$BUILDTXTDOC = xyes]) 700AC_MSG_RESULT([$BUILDTXTDOC]) 701 702AC_MSG_CHECKING([whether to build PDF documentation]) 703if test x$XORG_SGML_PATH != x && test x$DOCBOOKPDF != x && 704 test x$BUILD_PDFDOC != xno; then 705 BUILDPDFDOC=yes 706fi 707AM_CONDITIONAL(BUILD_PDFDOC, [test x$BUILDPDFDOC = xyes]) 708AC_MSG_RESULT([$BUILDPDFDOC]) 709 710AC_MSG_CHECKING([whether to build PostScript documentation]) 711if test x$XORG_SGML_PATH != x && test x$DOCBOOKPS != x && 712 test x$BUILD_PSDOC != xno; then 713 BUILDPSDOC=yes 714fi 715AM_CONDITIONAL(BUILD_PSDOC, [test x$BUILDPSDOC = xyes]) 716AC_MSG_RESULT([$BUILDPSDOC]) 717 718AC_MSG_CHECKING([whether to build HTML documentation]) 719if test x$XORG_SGML_PATH != x && test x$DOCBOOKHTML != x && 720 test x$BUILD_HTMLDOC != xno; then 721 BUILDHTMLDOC=yes 722fi 723AM_CONDITIONAL(BUILD_HTMLDOC, [test x$BUILDHTMLDOC = xyes]) 724AC_MSG_RESULT([$BUILDHTMLDOC]) 725 726MAKE_TEXT="SGML_SEARCH_PATH=$XORG_SGML_PATH $DOCBOOKTXT" 727MAKE_PS="SGML_SEARCH_PATH=$XORG_SGML_PATH $DOCBOOKPS" 728MAKE_PDF="SGML_SEARCH_PATH=$XORG_SGML_PATH $DOCBOOKPDF" 729MAKE_HTML="SGML_SEARCH_PATH=$XORG_SGML_PATH $DOCBOOKHTML" 730 731AC_SUBST(MAKE_TEXT) 732AC_SUBST(MAKE_PS) 733AC_SUBST(MAKE_PDF) 734AC_SUBST(MAKE_HTML) 735]) # XORG_CHECK_DOCBOOK 736 737# XORG_WITH_XMLTO([MIN-VERSION], [DEFAULT]) 738# ---------------- 739# Minimum version: 1.5.0 740# Minimum version for optional DEFAULT argument: 1.11.0 741# 742# Documentation tools are not always available on all platforms and sometimes 743# not at the appropriate level. This macro enables a module to test for the 744# presence of the tool and obtain it's path in separate variables. Coupled with 745# the --with-xmlto option, it allows maximum flexibility in making decisions 746# as whether or not to use the xmlto package. When DEFAULT is not specified, 747# --with-xmlto assumes 'auto'. 748# 749# Interface to module: 750# HAVE_XMLTO: used in makefiles to conditionally generate documentation 751# XMLTO: returns the path of the xmlto program found 752# returns the path set by the user in the environment 753# --with-xmlto: 'yes' user instructs the module to use xmlto 754# 'no' user instructs the module not to use xmlto 755# 756# Added in version 1.10.0 757# HAVE_XMLTO_TEXT: used in makefiles to conditionally generate text documentation 758# xmlto for text output requires either lynx, links, or w3m browsers 759# 760# If the user sets the value of XMLTO, AC_PATH_PROG skips testing the path. 761# 762AC_DEFUN([XORG_WITH_XMLTO],[ 763AC_ARG_VAR([XMLTO], [Path to xmlto command]) 764m4_define([_defopt], m4_default([$2], [auto])) 765AC_ARG_WITH(xmlto, 766 AS_HELP_STRING([--with-xmlto], 767 [Use xmlto to regenerate documentation (default: ]_defopt[)]), 768 [use_xmlto=$withval], [use_xmlto=]_defopt) 769m4_undefine([_defopt]) 770 771if test "x$use_xmlto" = x"auto"; then 772 AC_PATH_PROG([XMLTO], [xmlto]) 773 if test "x$XMLTO" = "x"; then 774 AC_MSG_WARN([xmlto not found - documentation targets will be skipped]) 775 have_xmlto=no 776 else 777 have_xmlto=yes 778 fi 779elif test "x$use_xmlto" = x"yes" ; then 780 AC_PATH_PROG([XMLTO], [xmlto]) 781 if test "x$XMLTO" = "x"; then 782 AC_MSG_ERROR([--with-xmlto=yes specified but xmlto not found in PATH]) 783 fi 784 have_xmlto=yes 785elif test "x$use_xmlto" = x"no" ; then 786 if test "x$XMLTO" != "x"; then 787 AC_MSG_WARN([ignoring XMLTO environment variable since --with-xmlto=no was specified]) 788 fi 789 have_xmlto=no 790else 791 AC_MSG_ERROR([--with-xmlto expects 'yes' or 'no']) 792fi 793 794# Test for a minimum version of xmlto, if provided. 795m4_ifval([$1], 796[if test "$have_xmlto" = yes; then 797 # scrape the xmlto version 798 AC_MSG_CHECKING([the xmlto version]) 799 xmlto_version=`$XMLTO --version 2>/dev/null | cut -d' ' -f3` 800 AC_MSG_RESULT([$xmlto_version]) 801 AS_VERSION_COMPARE([$xmlto_version], [$1], 802 [if test "x$use_xmlto" = xauto; then 803 AC_MSG_WARN([xmlto version $xmlto_version found, but $1 needed]) 804 have_xmlto=no 805 else 806 AC_MSG_ERROR([xmlto version $xmlto_version found, but $1 needed]) 807 fi]) 808fi]) 809 810# Test for the ability of xmlto to generate a text target 811# 812# NOTE: xmlto 0.0.27 or higher return a non-zero return code in the 813# following test for empty XML docbook files. 814# For compatibility reasons use the following empty XML docbook file and if 815# it fails try it again with a non-empty XML file. 816have_xmlto_text=no 817cat > conftest.xml << "EOF" 818EOF 819AS_IF([test "$have_xmlto" = yes], 820 [AS_IF([$XMLTO --skip-validation txt conftest.xml >/dev/null 2>&1], 821 [have_xmlto_text=yes], 822 [# Try it again with a non-empty XML file. 823 cat > conftest.xml << "EOF" 824<x></x> 825EOF 826 AS_IF([$XMLTO --skip-validation txt conftest.xml >/dev/null 2>&1], 827 [have_xmlto_text=yes], 828 [AC_MSG_WARN([xmlto cannot generate text format, this format skipped])])])]) 829rm -f conftest.xml 830AM_CONDITIONAL([HAVE_XMLTO_TEXT], [test $have_xmlto_text = yes]) 831AM_CONDITIONAL([HAVE_XMLTO], [test "$have_xmlto" = yes]) 832]) # XORG_WITH_XMLTO 833 834# XORG_WITH_XSLTPROC([MIN-VERSION], [DEFAULT]) 835# -------------------------------------------- 836# Minimum version: 1.12.0 837# Minimum version for optional DEFAULT argument: 1.12.0 838# 839# XSLT (Extensible Stylesheet Language Transformations) is a declarative, 840# XML-based language used for the transformation of XML documents. 841# The xsltproc command line tool is for applying XSLT stylesheets to XML documents. 842# It is used under the cover by xmlto to generate html files from DocBook/XML. 843# The XSLT processor is often used as a standalone tool for transformations. 844# It should not be assumed that this tool is used only to work with documnetation. 845# When DEFAULT is not specified, --with-xsltproc assumes 'auto'. 846# 847# Interface to module: 848# HAVE_XSLTPROC: used in makefiles to conditionally generate documentation 849# XSLTPROC: returns the path of the xsltproc program found 850# returns the path set by the user in the environment 851# --with-xsltproc: 'yes' user instructs the module to use xsltproc 852# 'no' user instructs the module not to use xsltproc 853# have_xsltproc: returns yes if xsltproc found in PATH or no 854# 855# If the user sets the value of XSLTPROC, AC_PATH_PROG skips testing the path. 856# 857AC_DEFUN([XORG_WITH_XSLTPROC],[ 858AC_ARG_VAR([XSLTPROC], [Path to xsltproc command]) 859# Preserves the interface, should it be implemented later 860m4_ifval([$1], [m4_warn([syntax], [Checking for xsltproc MIN-VERSION is not implemented])]) 861m4_define([_defopt], m4_default([$2], [auto])) 862AC_ARG_WITH(xsltproc, 863 AS_HELP_STRING([--with-xsltproc], 864 [Use xsltproc for the transformation of XML documents (default: ]_defopt[)]), 865 [use_xsltproc=$withval], [use_xsltproc=]_defopt) 866m4_undefine([_defopt]) 867 868if test "x$use_xsltproc" = x"auto"; then 869 AC_PATH_PROG([XSLTPROC], [xsltproc]) 870 if test "x$XSLTPROC" = "x"; then 871 AC_MSG_WARN([xsltproc not found - cannot transform XML documents]) 872 have_xsltproc=no 873 else 874 have_xsltproc=yes 875 fi 876elif test "x$use_xsltproc" = x"yes" ; then 877 AC_PATH_PROG([XSLTPROC], [xsltproc]) 878 if test "x$XSLTPROC" = "x"; then 879 AC_MSG_ERROR([--with-xsltproc=yes specified but xsltproc not found in PATH]) 880 fi 881 have_xsltproc=yes 882elif test "x$use_xsltproc" = x"no" ; then 883 if test "x$XSLTPROC" != "x"; then 884 AC_MSG_WARN([ignoring XSLTPROC environment variable since --with-xsltproc=no was specified]) 885 fi 886 have_xsltproc=no 887else 888 AC_MSG_ERROR([--with-xsltproc expects 'yes' or 'no']) 889fi 890 891AM_CONDITIONAL([HAVE_XSLTPROC], [test "$have_xsltproc" = yes]) 892]) # XORG_WITH_XSLTPROC 893 894# XORG_WITH_PERL([MIN-VERSION], [DEFAULT]) 895# ---------------------------------------- 896# Minimum version: 1.15.0 897# 898# PERL (Practical Extraction and Report Language) is a language optimized for 899# scanning arbitrary text files, extracting information from those text files, 900# and printing reports based on that information. 901# 902# When DEFAULT is not specified, --with-perl assumes 'auto'. 903# 904# Interface to module: 905# HAVE_PERL: used in makefiles to conditionally scan text files 906# PERL: returns the path of the perl program found 907# returns the path set by the user in the environment 908# --with-perl: 'yes' user instructs the module to use perl 909# 'no' user instructs the module not to use perl 910# have_perl: returns yes if perl found in PATH or no 911# 912# If the user sets the value of PERL, AC_PATH_PROG skips testing the path. 913# 914AC_DEFUN([XORG_WITH_PERL],[ 915AC_ARG_VAR([PERL], [Path to perl command]) 916# Preserves the interface, should it be implemented later 917m4_ifval([$1], [m4_warn([syntax], [Checking for perl MIN-VERSION is not implemented])]) 918m4_define([_defopt], m4_default([$2], [auto])) 919AC_ARG_WITH(perl, 920 AS_HELP_STRING([--with-perl], 921 [Use perl for extracting information from files (default: ]_defopt[)]), 922 [use_perl=$withval], [use_perl=]_defopt) 923m4_undefine([_defopt]) 924 925if test "x$use_perl" = x"auto"; then 926 AC_PATH_PROG([PERL], [perl]) 927 if test "x$PERL" = "x"; then 928 AC_MSG_WARN([perl not found - cannot extract information and report]) 929 have_perl=no 930 else 931 have_perl=yes 932 fi 933elif test "x$use_perl" = x"yes" ; then 934 AC_PATH_PROG([PERL], [perl]) 935 if test "x$PERL" = "x"; then 936 AC_MSG_ERROR([--with-perl=yes specified but perl not found in PATH]) 937 fi 938 have_perl=yes 939elif test "x$use_perl" = x"no" ; then 940 if test "x$PERL" != "x"; then 941 AC_MSG_WARN([ignoring PERL environment variable since --with-perl=no was specified]) 942 fi 943 have_perl=no 944else 945 AC_MSG_ERROR([--with-perl expects 'yes' or 'no']) 946fi 947 948AM_CONDITIONAL([HAVE_PERL], [test "$have_perl" = yes]) 949]) # XORG_WITH_PERL 950 951# XORG_WITH_ASCIIDOC([MIN-VERSION], [DEFAULT]) 952# ---------------- 953# Minimum version: 1.5.0 954# Minimum version for optional DEFAULT argument: 1.11.0 955# 956# Documentation tools are not always available on all platforms and sometimes 957# not at the appropriate level. This macro enables a module to test for the 958# presence of the tool and obtain it's path in separate variables. Coupled with 959# the --with-asciidoc option, it allows maximum flexibility in making decisions 960# as whether or not to use the asciidoc package. When DEFAULT is not specified, 961# --with-asciidoc assumes 'auto'. 962# 963# Interface to module: 964# HAVE_ASCIIDOC: used in makefiles to conditionally generate documentation 965# ASCIIDOC: returns the path of the asciidoc program found 966# returns the path set by the user in the environment 967# --with-asciidoc: 'yes' user instructs the module to use asciidoc 968# 'no' user instructs the module not to use asciidoc 969# 970# If the user sets the value of ASCIIDOC, AC_PATH_PROG skips testing the path. 971# 972AC_DEFUN([XORG_WITH_ASCIIDOC],[ 973AC_ARG_VAR([ASCIIDOC], [Path to asciidoc command]) 974m4_define([_defopt], m4_default([$2], [auto])) 975AC_ARG_WITH(asciidoc, 976 AS_HELP_STRING([--with-asciidoc], 977 [Use asciidoc to regenerate documentation (default: ]_defopt[)]), 978 [use_asciidoc=$withval], [use_asciidoc=]_defopt) 979m4_undefine([_defopt]) 980 981if test "x$use_asciidoc" = x"auto"; then 982 AC_PATH_PROG([ASCIIDOC], [asciidoc]) 983 if test "x$ASCIIDOC" = "x"; then 984 AC_MSG_WARN([asciidoc not found - documentation targets will be skipped]) 985 have_asciidoc=no 986 else 987 have_asciidoc=yes 988 fi 989elif test "x$use_asciidoc" = x"yes" ; then 990 AC_PATH_PROG([ASCIIDOC], [asciidoc]) 991 if test "x$ASCIIDOC" = "x"; then 992 AC_MSG_ERROR([--with-asciidoc=yes specified but asciidoc not found in PATH]) 993 fi 994 have_asciidoc=yes 995elif test "x$use_asciidoc" = x"no" ; then 996 if test "x$ASCIIDOC" != "x"; then 997 AC_MSG_WARN([ignoring ASCIIDOC environment variable since --with-asciidoc=no was specified]) 998 fi 999 have_asciidoc=no 1000else 1001 AC_MSG_ERROR([--with-asciidoc expects 'yes' or 'no']) 1002fi 1003m4_ifval([$1], 1004[if test "$have_asciidoc" = yes; then 1005 # scrape the asciidoc version 1006 AC_MSG_CHECKING([the asciidoc version]) 1007 asciidoc_version=`$ASCIIDOC --version 2>/dev/null | cut -d' ' -f2` 1008 AC_MSG_RESULT([$asciidoc_version]) 1009 AS_VERSION_COMPARE([$asciidoc_version], [$1], 1010 [if test "x$use_asciidoc" = xauto; then 1011 AC_MSG_WARN([asciidoc version $asciidoc_version found, but $1 needed]) 1012 have_asciidoc=no 1013 else 1014 AC_MSG_ERROR([asciidoc version $asciidoc_version found, but $1 needed]) 1015 fi]) 1016fi]) 1017AM_CONDITIONAL([HAVE_ASCIIDOC], [test "$have_asciidoc" = yes]) 1018]) # XORG_WITH_ASCIIDOC 1019 1020# XORG_WITH_DOXYGEN([MIN-VERSION], [DEFAULT]) 1021# ------------------------------------------- 1022# Minimum version: 1.5.0 1023# Minimum version for optional DEFAULT argument: 1.11.0 1024# Minimum version for optional DOT checking: 1.18.0 1025# 1026# Documentation tools are not always available on all platforms and sometimes 1027# not at the appropriate level. This macro enables a module to test for the 1028# presence of the tool and obtain it's path in separate variables. Coupled with 1029# the --with-doxygen option, it allows maximum flexibility in making decisions 1030# as whether or not to use the doxygen package. When DEFAULT is not specified, 1031# --with-doxygen assumes 'auto'. 1032# 1033# Interface to module: 1034# HAVE_DOXYGEN: used in makefiles to conditionally generate documentation 1035# DOXYGEN: returns the path of the doxygen program found 1036# returns the path set by the user in the environment 1037# --with-doxygen: 'yes' user instructs the module to use doxygen 1038# 'no' user instructs the module not to use doxygen 1039# 1040# If the user sets the value of DOXYGEN, AC_PATH_PROG skips testing the path. 1041# 1042AC_DEFUN([XORG_WITH_DOXYGEN],[ 1043AC_ARG_VAR([DOXYGEN], [Path to doxygen command]) 1044AC_ARG_VAR([DOT], [Path to the dot graphics utility]) 1045m4_define([_defopt], m4_default([$2], [auto])) 1046AC_ARG_WITH(doxygen, 1047 AS_HELP_STRING([--with-doxygen], 1048 [Use doxygen to regenerate documentation (default: ]_defopt[)]), 1049 [use_doxygen=$withval], [use_doxygen=]_defopt) 1050m4_undefine([_defopt]) 1051 1052if test "x$use_doxygen" = x"auto"; then 1053 AC_PATH_PROG([DOXYGEN], [doxygen]) 1054 if test "x$DOXYGEN" = "x"; then 1055 AC_MSG_WARN([doxygen not found - documentation targets will be skipped]) 1056 have_doxygen=no 1057 else 1058 have_doxygen=yes 1059 fi 1060elif test "x$use_doxygen" = x"yes" ; then 1061 AC_PATH_PROG([DOXYGEN], [doxygen]) 1062 if test "x$DOXYGEN" = "x"; then 1063 AC_MSG_ERROR([--with-doxygen=yes specified but doxygen not found in PATH]) 1064 fi 1065 have_doxygen=yes 1066elif test "x$use_doxygen" = x"no" ; then 1067 if test "x$DOXYGEN" != "x"; then 1068 AC_MSG_WARN([ignoring DOXYGEN environment variable since --with-doxygen=no was specified]) 1069 fi 1070 have_doxygen=no 1071else 1072 AC_MSG_ERROR([--with-doxygen expects 'yes' or 'no']) 1073fi 1074m4_ifval([$1], 1075[if test "$have_doxygen" = yes; then 1076 # scrape the doxygen version 1077 AC_MSG_CHECKING([the doxygen version]) 1078 doxygen_version=`$DOXYGEN --version 2>/dev/null` 1079 AC_MSG_RESULT([$doxygen_version]) 1080 AS_VERSION_COMPARE([$doxygen_version], [$1], 1081 [if test "x$use_doxygen" = xauto; then 1082 AC_MSG_WARN([doxygen version $doxygen_version found, but $1 needed]) 1083 have_doxygen=no 1084 else 1085 AC_MSG_ERROR([doxygen version $doxygen_version found, but $1 needed]) 1086 fi]) 1087fi]) 1088 1089dnl Check for DOT if we have doxygen. The caller decides if it is mandatory 1090dnl HAVE_DOT is a variable that can be used in your doxygen.in config file: 1091dnl HAVE_DOT = @HAVE_DOT@ 1092HAVE_DOT=no 1093if test "x$have_doxygen" = "xyes"; then 1094 AC_PATH_PROG([DOT], [dot]) 1095 if test "x$DOT" != "x"; then 1096 HAVE_DOT=yes 1097 fi 1098fi 1099 1100AC_SUBST([HAVE_DOT]) 1101AM_CONDITIONAL([HAVE_DOT], [test "$HAVE_DOT" = "yes"]) 1102AM_CONDITIONAL([HAVE_DOXYGEN], [test "$have_doxygen" = yes]) 1103]) # XORG_WITH_DOXYGEN 1104 1105# XORG_WITH_GROFF([DEFAULT]) 1106# ---------------- 1107# Minimum version: 1.6.0 1108# Minimum version for optional DEFAULT argument: 1.11.0 1109# 1110# Documentation tools are not always available on all platforms and sometimes 1111# not at the appropriate level. This macro enables a module to test for the 1112# presence of the tool and obtain it's path in separate variables. Coupled with 1113# the --with-groff option, it allows maximum flexibility in making decisions 1114# as whether or not to use the groff package. When DEFAULT is not specified, 1115# --with-groff assumes 'auto'. 1116# 1117# Interface to module: 1118# HAVE_GROFF: used in makefiles to conditionally generate documentation 1119# HAVE_GROFF_MM: the memorandum macros (-mm) package 1120# HAVE_GROFF_MS: the -ms macros package 1121# GROFF: returns the path of the groff program found 1122# returns the path set by the user in the environment 1123# --with-groff: 'yes' user instructs the module to use groff 1124# 'no' user instructs the module not to use groff 1125# 1126# Added in version 1.9.0: 1127# HAVE_GROFF_HTML: groff has dependencies to output HTML format: 1128# pnmcut pnmcrop pnmtopng pnmtops from the netpbm package. 1129# psselect from the psutils package. 1130# the ghostcript package. Refer to the grohtml man pages 1131# 1132# If the user sets the value of GROFF, AC_PATH_PROG skips testing the path. 1133# 1134# OS and distros often splits groff in a basic and full package, the former 1135# having the groff program and the later having devices, fonts and macros 1136# Checking for the groff executable is not enough. 1137# 1138# If macros are missing, we cannot assume that groff is useless, so we don't 1139# unset HAVE_GROFF or GROFF env variables. 1140# HAVE_GROFF_?? can never be true while HAVE_GROFF is false. 1141# 1142AC_DEFUN([XORG_WITH_GROFF],[ 1143AC_ARG_VAR([GROFF], [Path to groff command]) 1144m4_define([_defopt], m4_default([$1], [auto])) 1145AC_ARG_WITH(groff, 1146 AS_HELP_STRING([--with-groff], 1147 [Use groff to regenerate documentation (default: ]_defopt[)]), 1148 [use_groff=$withval], [use_groff=]_defopt) 1149m4_undefine([_defopt]) 1150 1151if test "x$use_groff" = x"auto"; then 1152 AC_PATH_PROG([GROFF], [groff]) 1153 if test "x$GROFF" = "x"; then 1154 AC_MSG_WARN([groff not found - documentation targets will be skipped]) 1155 have_groff=no 1156 else 1157 have_groff=yes 1158 fi 1159elif test "x$use_groff" = x"yes" ; then 1160 AC_PATH_PROG([GROFF], [groff]) 1161 if test "x$GROFF" = "x"; then 1162 AC_MSG_ERROR([--with-groff=yes specified but groff not found in PATH]) 1163 fi 1164 have_groff=yes 1165elif test "x$use_groff" = x"no" ; then 1166 if test "x$GROFF" != "x"; then 1167 AC_MSG_WARN([ignoring GROFF environment variable since --with-groff=no was specified]) 1168 fi 1169 have_groff=no 1170else 1171 AC_MSG_ERROR([--with-groff expects 'yes' or 'no']) 1172fi 1173 1174# We have groff, test for the presence of the macro packages 1175if test "x$have_groff" = x"yes"; then 1176 AC_MSG_CHECKING([for ${GROFF} -ms macros]) 1177 if ${GROFF} -ms -I. /dev/null >/dev/null 2>&1 ; then 1178 groff_ms_works=yes 1179 else 1180 groff_ms_works=no 1181 fi 1182 AC_MSG_RESULT([$groff_ms_works]) 1183 AC_MSG_CHECKING([for ${GROFF} -mm macros]) 1184 if ${GROFF} -mm -I. /dev/null >/dev/null 2>&1 ; then 1185 groff_mm_works=yes 1186 else 1187 groff_mm_works=no 1188 fi 1189 AC_MSG_RESULT([$groff_mm_works]) 1190fi 1191 1192# We have groff, test for HTML dependencies, one command per package 1193if test "x$have_groff" = x"yes"; then 1194 AC_PATH_PROGS(GS_PATH, [gs gswin32c]) 1195 AC_PATH_PROG(PNMTOPNG_PATH, [pnmtopng]) 1196 AC_PATH_PROG(PSSELECT_PATH, [psselect]) 1197 if test "x$GS_PATH" != "x" -a "x$PNMTOPNG_PATH" != "x" -a "x$PSSELECT_PATH" != "x"; then 1198 have_groff_html=yes 1199 else 1200 have_groff_html=no 1201 AC_MSG_WARN([grohtml dependencies not found - HTML Documentation skipped. Refer to grohtml man pages]) 1202 fi 1203fi 1204 1205# Set Automake conditionals for Makefiles 1206AM_CONDITIONAL([HAVE_GROFF], [test "$have_groff" = yes]) 1207AM_CONDITIONAL([HAVE_GROFF_MS], [test "$groff_ms_works" = yes]) 1208AM_CONDITIONAL([HAVE_GROFF_MM], [test "$groff_mm_works" = yes]) 1209AM_CONDITIONAL([HAVE_GROFF_HTML], [test "$have_groff_html" = yes]) 1210]) # XORG_WITH_GROFF 1211 1212# XORG_WITH_FOP([MIN-VERSION], [DEFAULT]) 1213# --------------------------------------- 1214# Minimum version: 1.6.0 1215# Minimum version for optional DEFAULT argument: 1.11.0 1216# Minimum version for optional MIN-VERSION argument: 1.15.0 1217# 1218# Documentation tools are not always available on all platforms and sometimes 1219# not at the appropriate level. This macro enables a module to test for the 1220# presence of the tool and obtain it's path in separate variables. Coupled with 1221# the --with-fop option, it allows maximum flexibility in making decisions 1222# as whether or not to use the fop package. When DEFAULT is not specified, 1223# --with-fop assumes 'auto'. 1224# 1225# Interface to module: 1226# HAVE_FOP: used in makefiles to conditionally generate documentation 1227# FOP: returns the path of the fop program found 1228# returns the path set by the user in the environment 1229# --with-fop: 'yes' user instructs the module to use fop 1230# 'no' user instructs the module not to use fop 1231# 1232# If the user sets the value of FOP, AC_PATH_PROG skips testing the path. 1233# 1234AC_DEFUN([XORG_WITH_FOP],[ 1235AC_ARG_VAR([FOP], [Path to fop command]) 1236m4_define([_defopt], m4_default([$2], [auto])) 1237AC_ARG_WITH(fop, 1238 AS_HELP_STRING([--with-fop], 1239 [Use fop to regenerate documentation (default: ]_defopt[)]), 1240 [use_fop=$withval], [use_fop=]_defopt) 1241m4_undefine([_defopt]) 1242 1243if test "x$use_fop" = x"auto"; then 1244 AC_PATH_PROG([FOP], [fop]) 1245 if test "x$FOP" = "x"; then 1246 AC_MSG_WARN([fop not found - documentation targets will be skipped]) 1247 have_fop=no 1248 else 1249 have_fop=yes 1250 fi 1251elif test "x$use_fop" = x"yes" ; then 1252 AC_PATH_PROG([FOP], [fop]) 1253 if test "x$FOP" = "x"; then 1254 AC_MSG_ERROR([--with-fop=yes specified but fop not found in PATH]) 1255 fi 1256 have_fop=yes 1257elif test "x$use_fop" = x"no" ; then 1258 if test "x$FOP" != "x"; then 1259 AC_MSG_WARN([ignoring FOP environment variable since --with-fop=no was specified]) 1260 fi 1261 have_fop=no 1262else 1263 AC_MSG_ERROR([--with-fop expects 'yes' or 'no']) 1264fi 1265 1266# Test for a minimum version of fop, if provided. 1267m4_ifval([$1], 1268[if test "$have_fop" = yes; then 1269 # scrape the fop version 1270 AC_MSG_CHECKING([for fop minimum version]) 1271 fop_version=`$FOP -version 2>/dev/null | cut -d' ' -f3` 1272 AC_MSG_RESULT([$fop_version]) 1273 AS_VERSION_COMPARE([$fop_version], [$1], 1274 [if test "x$use_fop" = xauto; then 1275 AC_MSG_WARN([fop version $fop_version found, but $1 needed]) 1276 have_fop=no 1277 else 1278 AC_MSG_ERROR([fop version $fop_version found, but $1 needed]) 1279 fi]) 1280fi]) 1281AM_CONDITIONAL([HAVE_FOP], [test "$have_fop" = yes]) 1282]) # XORG_WITH_FOP 1283 1284# XORG_WITH_M4([MIN-VERSION]) 1285# --------------------------- 1286# Minimum version: 1.19.0 1287# 1288# This macro attempts to locate an m4 macro processor which supports 1289# -I option and is only useful for modules relying on M4 in order to 1290# expand macros in source code files. 1291# 1292# Interface to module: 1293# M4: returns the path of the m4 program found 1294# returns the path set by the user in the environment 1295# 1296AC_DEFUN([XORG_WITH_M4], [ 1297AC_CACHE_CHECK([for m4 that supports -I option], [ac_cv_path_M4], 1298 [AC_PATH_PROGS_FEATURE_CHECK([M4], [m4 gm4], 1299 [[$ac_path_M4 -I. /dev/null > /dev/null 2>&1 && \ 1300 ac_cv_path_M4=$ac_path_M4 ac_path_M4_found=:]], 1301 [AC_MSG_ERROR([could not find m4 that supports -I option])], 1302 [$PATH:/usr/gnu/bin])]) 1303 1304AC_SUBST([M4], [$ac_cv_path_M4]) 1305]) # XORG_WITH_M4 1306 1307# XORG_WITH_PS2PDF([DEFAULT]) 1308# ---------------- 1309# Minimum version: 1.6.0 1310# Minimum version for optional DEFAULT argument: 1.11.0 1311# 1312# Documentation tools are not always available on all platforms and sometimes 1313# not at the appropriate level. This macro enables a module to test for the 1314# presence of the tool and obtain it's path in separate variables. Coupled with 1315# the --with-ps2pdf option, it allows maximum flexibility in making decisions 1316# as whether or not to use the ps2pdf package. When DEFAULT is not specified, 1317# --with-ps2pdf assumes 'auto'. 1318# 1319# Interface to module: 1320# HAVE_PS2PDF: used in makefiles to conditionally generate documentation 1321# PS2PDF: returns the path of the ps2pdf program found 1322# returns the path set by the user in the environment 1323# --with-ps2pdf: 'yes' user instructs the module to use ps2pdf 1324# 'no' user instructs the module not to use ps2pdf 1325# 1326# If the user sets the value of PS2PDF, AC_PATH_PROG skips testing the path. 1327# 1328AC_DEFUN([XORG_WITH_PS2PDF],[ 1329AC_ARG_VAR([PS2PDF], [Path to ps2pdf command]) 1330m4_define([_defopt], m4_default([$1], [auto])) 1331AC_ARG_WITH(ps2pdf, 1332 AS_HELP_STRING([--with-ps2pdf], 1333 [Use ps2pdf to regenerate documentation (default: ]_defopt[)]), 1334 [use_ps2pdf=$withval], [use_ps2pdf=]_defopt) 1335m4_undefine([_defopt]) 1336 1337if test "x$use_ps2pdf" = x"auto"; then 1338 AC_PATH_PROG([PS2PDF], [ps2pdf]) 1339 if test "x$PS2PDF" = "x"; then 1340 AC_MSG_WARN([ps2pdf not found - documentation targets will be skipped]) 1341 have_ps2pdf=no 1342 else 1343 have_ps2pdf=yes 1344 fi 1345elif test "x$use_ps2pdf" = x"yes" ; then 1346 AC_PATH_PROG([PS2PDF], [ps2pdf]) 1347 if test "x$PS2PDF" = "x"; then 1348 AC_MSG_ERROR([--with-ps2pdf=yes specified but ps2pdf not found in PATH]) 1349 fi 1350 have_ps2pdf=yes 1351elif test "x$use_ps2pdf" = x"no" ; then 1352 if test "x$PS2PDF" != "x"; then 1353 AC_MSG_WARN([ignoring PS2PDF environment variable since --with-ps2pdf=no was specified]) 1354 fi 1355 have_ps2pdf=no 1356else 1357 AC_MSG_ERROR([--with-ps2pdf expects 'yes' or 'no']) 1358fi 1359AM_CONDITIONAL([HAVE_PS2PDF], [test "$have_ps2pdf" = yes]) 1360]) # XORG_WITH_PS2PDF 1361 1362# XORG_ENABLE_DOCS (enable_docs=yes) 1363# ---------------- 1364# Minimum version: 1.6.0 1365# 1366# Documentation tools are not always available on all platforms and sometimes 1367# not at the appropriate level. This macro enables a builder to skip all 1368# documentation targets except traditional man pages. 1369# Combined with the specific tool checking macros XORG_WITH_*, it provides 1370# maximum flexibility in controlling documentation building. 1371# Refer to: 1372# XORG_WITH_XMLTO --with-xmlto 1373# XORG_WITH_ASCIIDOC --with-asciidoc 1374# XORG_WITH_DOXYGEN --with-doxygen 1375# XORG_WITH_FOP --with-fop 1376# XORG_WITH_GROFF --with-groff 1377# XORG_WITH_PS2PDF --with-ps2pdf 1378# 1379# Interface to module: 1380# ENABLE_DOCS: used in makefiles to conditionally generate documentation 1381# --enable-docs: 'yes' user instructs the module to generate docs 1382# 'no' user instructs the module not to generate docs 1383# parm1: specify the default value, yes or no. 1384# 1385AC_DEFUN([XORG_ENABLE_DOCS],[ 1386m4_define([docs_default], m4_default([$1], [yes])) 1387AC_ARG_ENABLE(docs, 1388 AS_HELP_STRING([--enable-docs], 1389 [Enable building the documentation (default: ]docs_default[)]), 1390 [build_docs=$enableval], [build_docs=]docs_default) 1391m4_undefine([docs_default]) 1392AM_CONDITIONAL(ENABLE_DOCS, [test x$build_docs = xyes]) 1393AC_MSG_CHECKING([whether to build documentation]) 1394AC_MSG_RESULT([$build_docs]) 1395]) # XORG_ENABLE_DOCS 1396 1397# XORG_ENABLE_DEVEL_DOCS (enable_devel_docs=yes) 1398# ---------------- 1399# Minimum version: 1.6.0 1400# 1401# This macro enables a builder to skip all developer documentation. 1402# Combined with the specific tool checking macros XORG_WITH_*, it provides 1403# maximum flexibility in controlling documentation building. 1404# Refer to: 1405# XORG_WITH_XMLTO --with-xmlto 1406# XORG_WITH_ASCIIDOC --with-asciidoc 1407# XORG_WITH_DOXYGEN --with-doxygen 1408# XORG_WITH_FOP --with-fop 1409# XORG_WITH_GROFF --with-groff 1410# XORG_WITH_PS2PDF --with-ps2pdf 1411# 1412# Interface to module: 1413# ENABLE_DEVEL_DOCS: used in makefiles to conditionally generate developer docs 1414# --enable-devel-docs: 'yes' user instructs the module to generate developer docs 1415# 'no' user instructs the module not to generate developer docs 1416# parm1: specify the default value, yes or no. 1417# 1418AC_DEFUN([XORG_ENABLE_DEVEL_DOCS],[ 1419m4_define([devel_default], m4_default([$1], [yes])) 1420AC_ARG_ENABLE(devel-docs, 1421 AS_HELP_STRING([--enable-devel-docs], 1422 [Enable building the developer documentation (default: ]devel_default[)]), 1423 [build_devel_docs=$enableval], [build_devel_docs=]devel_default) 1424m4_undefine([devel_default]) 1425AM_CONDITIONAL(ENABLE_DEVEL_DOCS, [test x$build_devel_docs = xyes]) 1426AC_MSG_CHECKING([whether to build developer documentation]) 1427AC_MSG_RESULT([$build_devel_docs]) 1428]) # XORG_ENABLE_DEVEL_DOCS 1429 1430# XORG_ENABLE_SPECS (enable_specs=yes) 1431# ---------------- 1432# Minimum version: 1.6.0 1433# 1434# This macro enables a builder to skip all functional specification targets. 1435# Combined with the specific tool checking macros XORG_WITH_*, it provides 1436# maximum flexibility in controlling documentation building. 1437# Refer to: 1438# XORG_WITH_XMLTO --with-xmlto 1439# XORG_WITH_ASCIIDOC --with-asciidoc 1440# XORG_WITH_DOXYGEN --with-doxygen 1441# XORG_WITH_FOP --with-fop 1442# XORG_WITH_GROFF --with-groff 1443# XORG_WITH_PS2PDF --with-ps2pdf 1444# 1445# Interface to module: 1446# ENABLE_SPECS: used in makefiles to conditionally generate specs 1447# --enable-specs: 'yes' user instructs the module to generate specs 1448# 'no' user instructs the module not to generate specs 1449# parm1: specify the default value, yes or no. 1450# 1451AC_DEFUN([XORG_ENABLE_SPECS],[ 1452m4_define([spec_default], m4_default([$1], [yes])) 1453AC_ARG_ENABLE(specs, 1454 AS_HELP_STRING([--enable-specs], 1455 [Enable building the specs (default: ]spec_default[)]), 1456 [build_specs=$enableval], [build_specs=]spec_default) 1457m4_undefine([spec_default]) 1458AM_CONDITIONAL(ENABLE_SPECS, [test x$build_specs = xyes]) 1459AC_MSG_CHECKING([whether to build functional specifications]) 1460AC_MSG_RESULT([$build_specs]) 1461]) # XORG_ENABLE_SPECS 1462 1463# XORG_ENABLE_UNIT_TESTS (enable_unit_tests=auto) 1464# ---------------------------------------------- 1465# Minimum version: 1.13.0 1466# 1467# This macro enables a builder to enable/disable unit testing 1468# It makes no assumption about the test cases implementation 1469# Test cases may or may not use Automake "Support for test suites" 1470# They may or may not use the software utility library GLib 1471# 1472# When used in conjunction with XORG_WITH_GLIB, use both AM_CONDITIONAL 1473# ENABLE_UNIT_TESTS and HAVE_GLIB. Not all unit tests may use glib. 1474# The variable enable_unit_tests is used by other macros in this file. 1475# 1476# Interface to module: 1477# ENABLE_UNIT_TESTS: used in makefiles to conditionally build tests 1478# enable_unit_tests: used in configure.ac for additional configuration 1479# --enable-unit-tests: 'yes' user instructs the module to build tests 1480# 'no' user instructs the module not to build tests 1481# parm1: specify the default value, yes or no. 1482# 1483AC_DEFUN([XORG_ENABLE_UNIT_TESTS],[ 1484AC_BEFORE([$0], [XORG_WITH_GLIB]) 1485AC_BEFORE([$0], [XORG_LD_WRAP]) 1486AC_REQUIRE([XORG_MEMORY_CHECK_FLAGS]) 1487m4_define([_defopt], m4_default([$1], [auto])) 1488AC_ARG_ENABLE(unit-tests, AS_HELP_STRING([--enable-unit-tests], 1489 [Enable building unit test cases (default: ]_defopt[)]), 1490 [enable_unit_tests=$enableval], [enable_unit_tests=]_defopt) 1491m4_undefine([_defopt]) 1492AM_CONDITIONAL(ENABLE_UNIT_TESTS, [test "x$enable_unit_tests" != xno]) 1493AC_MSG_CHECKING([whether to build unit test cases]) 1494AC_MSG_RESULT([$enable_unit_tests]) 1495]) # XORG_ENABLE_UNIT_TESTS 1496 1497# XORG_ENABLE_INTEGRATION_TESTS (enable_unit_tests=auto) 1498# ------------------------------------------------------ 1499# Minimum version: 1.17.0 1500# 1501# This macro enables a builder to enable/disable integration testing 1502# It makes no assumption about the test cases' implementation 1503# Test cases may or may not use Automake "Support for test suites" 1504# 1505# Please see XORG_ENABLE_UNIT_TESTS for unit test support. Unit test support 1506# usually requires less dependencies and may be built and run under less 1507# stringent environments than integration tests. 1508# 1509# Interface to module: 1510# ENABLE_INTEGRATION_TESTS: used in makefiles to conditionally build tests 1511# enable_integration_tests: used in configure.ac for additional configuration 1512# --enable-integration-tests: 'yes' user instructs the module to build tests 1513# 'no' user instructs the module not to build tests 1514# parm1: specify the default value, yes or no. 1515# 1516AC_DEFUN([XORG_ENABLE_INTEGRATION_TESTS],[ 1517AC_REQUIRE([XORG_MEMORY_CHECK_FLAGS]) 1518m4_define([_defopt], m4_default([$1], [auto])) 1519AC_ARG_ENABLE(integration-tests, AS_HELP_STRING([--enable-integration-tests], 1520 [Enable building integration test cases (default: ]_defopt[)]), 1521 [enable_integration_tests=$enableval], 1522 [enable_integration_tests=]_defopt) 1523m4_undefine([_defopt]) 1524AM_CONDITIONAL([ENABLE_INTEGRATION_TESTS], 1525 [test "x$enable_integration_tests" != xno]) 1526AC_MSG_CHECKING([whether to build unit test cases]) 1527AC_MSG_RESULT([$enable_integration_tests]) 1528]) # XORG_ENABLE_INTEGRATION_TESTS 1529 1530# XORG_WITH_GLIB([MIN-VERSION], [DEFAULT]) 1531# ---------------------------------------- 1532# Minimum version: 1.13.0 1533# 1534# GLib is a library which provides advanced data structures and functions. 1535# This macro enables a module to test for the presence of Glib. 1536# 1537# When used with ENABLE_UNIT_TESTS, it is assumed GLib is used for unit testing. 1538# Otherwise the value of $enable_unit_tests is blank. 1539# 1540# Please see XORG_ENABLE_INTEGRATION_TESTS for integration test support. Unit 1541# test support usually requires less dependencies and may be built and run under 1542# less stringent environments than integration tests. 1543# 1544# Interface to module: 1545# HAVE_GLIB: used in makefiles to conditionally build targets 1546# with_glib: used in configure.ac to know if GLib has been found 1547# --with-glib: 'yes' user instructs the module to use glib 1548# 'no' user instructs the module not to use glib 1549# 1550AC_DEFUN([XORG_WITH_GLIB],[ 1551AC_REQUIRE([PKG_PROG_PKG_CONFIG]) 1552m4_define([_defopt], m4_default([$2], [auto])) 1553AC_ARG_WITH(glib, AS_HELP_STRING([--with-glib], 1554 [Use GLib library for unit testing (default: ]_defopt[)]), 1555 [with_glib=$withval], [with_glib=]_defopt) 1556m4_undefine([_defopt]) 1557 1558have_glib=no 1559# Do not probe GLib if user explicitly disabled unit testing 1560if test "x$enable_unit_tests" != x"no"; then 1561 # Do not probe GLib if user explicitly disabled it 1562 if test "x$with_glib" != x"no"; then 1563 m4_ifval( 1564 [$1], 1565 [PKG_CHECK_MODULES([GLIB], [glib-2.0 >= $1], [have_glib=yes], [have_glib=no])], 1566 [PKG_CHECK_MODULES([GLIB], [glib-2.0], [have_glib=yes], [have_glib=no])] 1567 ) 1568 fi 1569fi 1570 1571# Not having GLib when unit testing has been explicitly requested is an error 1572if test "x$enable_unit_tests" = x"yes"; then 1573 if test "x$have_glib" = x"no"; then 1574 AC_MSG_ERROR([--enable-unit-tests=yes specified but glib-2.0 not found]) 1575 fi 1576fi 1577 1578# Having unit testing disabled when GLib has been explicitly requested is an error 1579if test "x$enable_unit_tests" = x"no"; then 1580 if test "x$with_glib" = x"yes"; then 1581 AC_MSG_ERROR([--enable-unit-tests=yes specified but glib-2.0 not found]) 1582 fi 1583fi 1584 1585# Not having GLib when it has been explicitly requested is an error 1586if test "x$with_glib" = x"yes"; then 1587 if test "x$have_glib" = x"no"; then 1588 AC_MSG_ERROR([--with-glib=yes specified but glib-2.0 not found]) 1589 fi 1590fi 1591 1592AM_CONDITIONAL([HAVE_GLIB], [test "$have_glib" = yes]) 1593]) # XORG_WITH_GLIB 1594 1595# XORG_LD_WRAP([required|optional]) 1596# --------------------------------- 1597# Minimum version: 1.13.0 1598# 1599# Check if linker supports -wrap, passed via compiler flags 1600# 1601# When used with ENABLE_UNIT_TESTS, it is assumed -wrap is used for unit testing. 1602# Otherwise the value of $enable_unit_tests is blank. 1603# 1604# Argument added in 1.16.0 - default is "required", to match existing behavior 1605# of returning an error if enable_unit_tests is yes, and ld -wrap is not 1606# available, an argument of "optional" allows use when some unit tests require 1607# ld -wrap and others do not. 1608# 1609AC_DEFUN([XORG_LD_WRAP],[ 1610XORG_CHECK_LINKER_FLAGS([-Wl,-wrap,exit],[have_ld_wrap=yes],[have_ld_wrap=no], 1611 [AC_LANG_PROGRAM([#include <stdlib.h> 1612 void __wrap_exit(int status) { return; }], 1613 [exit(0);])]) 1614# Not having ld wrap when unit testing has been explicitly requested is an error 1615if test "x$enable_unit_tests" = x"yes" -a "x$1" != "xoptional"; then 1616 if test "x$have_ld_wrap" = x"no"; then 1617 AC_MSG_ERROR([--enable-unit-tests=yes specified but ld -wrap support is not available]) 1618 fi 1619fi 1620AM_CONDITIONAL([HAVE_LD_WRAP], [test "$have_ld_wrap" = yes]) 1621# 1622]) # XORG_LD_WRAP 1623 1624# XORG_CHECK_LINKER_FLAGS 1625# ----------------------- 1626# SYNOPSIS 1627# 1628# XORG_CHECK_LINKER_FLAGS(FLAGS, [ACTION-SUCCESS], [ACTION-FAILURE], [PROGRAM-SOURCE]) 1629# 1630# DESCRIPTION 1631# 1632# Check whether the given linker FLAGS work with the current language's 1633# linker, or whether they give an error. 1634# 1635# ACTION-SUCCESS/ACTION-FAILURE are shell commands to execute on 1636# success/failure. 1637# 1638# PROGRAM-SOURCE is the program source to link with, if needed 1639# 1640# NOTE: Based on AX_CHECK_COMPILER_FLAGS. 1641# 1642# LICENSE 1643# 1644# Copyright (c) 2009 Mike Frysinger <vapier@gentoo.org> 1645# Copyright (c) 2009 Steven G. Johnson <stevenj@alum.mit.edu> 1646# Copyright (c) 2009 Matteo Frigo 1647# 1648# This program is free software: you can redistribute it and/or modify it 1649# under the terms of the GNU General Public License as published by the 1650# Free Software Foundation, either version 3 of the License, or (at your 1651# option) any later version. 1652# 1653# This program is distributed in the hope that it will be useful, but 1654# WITHOUT ANY WARRANTY; without even the implied warranty of 1655# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General 1656# Public License for more details. 1657# 1658# You should have received a copy of the GNU General Public License along 1659# with this program. If not, see <http://www.gnu.org/licenses/>. 1660# 1661# As a special exception, the respective Autoconf Macro's copyright owner 1662# gives unlimited permission to copy, distribute and modify the configure 1663# scripts that are the output of Autoconf when processing the Macro. You 1664# need not follow the terms of the GNU General Public License when using 1665# or distributing such scripts, even though portions of the text of the 1666# Macro appear in them. The GNU General Public License (GPL) does govern 1667# all other use of the material that constitutes the Autoconf Macro. 1668# 1669# This special exception to the GPL applies to versions of the Autoconf 1670# Macro released by the Autoconf Archive. When you make and distribute a 1671# modified version of the Autoconf Macro, you may extend this special 1672# exception to the GPL to apply to your modified version as well.# 1673AC_DEFUN([XORG_CHECK_LINKER_FLAGS], 1674[AC_MSG_CHECKING([whether the linker accepts $1]) 1675dnl Some hackery here since AC_CACHE_VAL can't handle a non-literal varname: 1676AS_LITERAL_IF([$1], 1677 [AC_CACHE_VAL(AS_TR_SH(xorg_cv_linker_flags_[$1]), [ 1678 ax_save_FLAGS=$LDFLAGS 1679 LDFLAGS="$1" 1680 AC_LINK_IFELSE([m4_default([$4],[AC_LANG_PROGRAM()])], 1681 AS_TR_SH(xorg_cv_linker_flags_[$1])=yes, 1682 AS_TR_SH(xorg_cv_linker_flags_[$1])=no) 1683 LDFLAGS=$ax_save_FLAGS])], 1684 [ax_save_FLAGS=$LDFLAGS 1685 LDFLAGS="$1" 1686 AC_LINK_IFELSE([AC_LANG_PROGRAM()], 1687 eval AS_TR_SH(xorg_cv_linker_flags_[$1])=yes, 1688 eval AS_TR_SH(xorg_cv_linker_flags_[$1])=no) 1689 LDFLAGS=$ax_save_FLAGS]) 1690eval xorg_check_linker_flags=$AS_TR_SH(xorg_cv_linker_flags_[$1]) 1691AC_MSG_RESULT($xorg_check_linker_flags) 1692if test "x$xorg_check_linker_flags" = xyes; then 1693 m4_default([$2], :) 1694else 1695 m4_default([$3], :) 1696fi 1697]) # XORG_CHECK_LINKER_FLAGS 1698 1699# XORG_MEMORY_CHECK_FLAGS 1700# ----------------------- 1701# Minimum version: 1.16.0 1702# 1703# This macro attempts to find appropriate memory checking functionality 1704# for various platforms which unit testing code may use to catch various 1705# forms of memory allocation and access errors in testing. 1706# 1707# Interface to module: 1708# XORG_MALLOC_DEBUG_ENV - environment variables to set to enable debugging 1709# Usually added to TESTS_ENVIRONMENT in Makefile.am 1710# 1711# If the user sets the value of XORG_MALLOC_DEBUG_ENV, it is used verbatim. 1712# 1713AC_DEFUN([XORG_MEMORY_CHECK_FLAGS],[ 1714 1715AC_REQUIRE([AC_CANONICAL_HOST]) 1716AC_ARG_VAR([XORG_MALLOC_DEBUG_ENV], 1717 [Environment variables to enable memory checking in tests]) 1718 1719# Check for different types of support on different platforms 1720case $host_os in 1721 solaris*) 1722 AC_CHECK_LIB([umem], [umem_alloc], 1723 [malloc_debug_env='LD_PRELOAD=libumem.so UMEM_DEBUG=default']) 1724 ;; 1725 *-gnu*) # GNU libc - Value is used as a single byte bit pattern, 1726 # both directly and inverted, so should not be 0 or 255. 1727 malloc_debug_env='MALLOC_PERTURB_=15' 1728 ;; 1729 darwin*) 1730 malloc_debug_env='MallocPreScribble=1 MallocScribble=1 DYLD_INSERT_LIBRARIES=/usr/lib/libgmalloc.dylib' 1731 ;; 1732 *bsd*) 1733 malloc_debug_env='MallocPreScribble=1 MallocScribble=1' 1734 ;; 1735esac 1736 1737# User supplied flags override default flags 1738if test "x$XORG_MALLOC_DEBUG_ENV" != "x"; then 1739 malloc_debug_env="$XORG_MALLOC_DEBUG_ENV" 1740fi 1741 1742AC_SUBST([XORG_MALLOC_DEBUG_ENV],[$malloc_debug_env]) 1743]) # XORG_WITH_LINT 1744 1745# XORG_CHECK_MALLOC_ZERO 1746# ---------------------- 1747# Minimum version: 1.0.0 1748# 1749# Defines {MALLOC,XMALLOC,XTMALLOC}_ZERO_CFLAGS appropriately if 1750# malloc(0) returns NULL. Packages should add one of these cflags to 1751# their AM_CFLAGS (or other appropriate *_CFLAGS) to use them. 1752AC_DEFUN([XORG_CHECK_MALLOC_ZERO],[ 1753AC_ARG_ENABLE(malloc0returnsnull, 1754 AS_HELP_STRING([--enable-malloc0returnsnull], 1755 [malloc(0) returns NULL (default: auto)]), 1756 [MALLOC_ZERO_RETURNS_NULL=$enableval], 1757 [MALLOC_ZERO_RETURNS_NULL=auto]) 1758 1759AC_MSG_CHECKING([whether malloc(0) returns NULL]) 1760if test "x$MALLOC_ZERO_RETURNS_NULL" = xauto; then 1761AC_CACHE_VAL([xorg_cv_malloc0_returns_null], 1762 [AC_RUN_IFELSE([AC_LANG_PROGRAM([ 1763#include <stdlib.h> 1764],[ 1765 char *m0, *r0, *c0, *p; 1766 m0 = malloc(0); 1767 p = malloc(10); 1768 r0 = realloc(p,0); 1769 c0 = calloc(0,10); 1770 exit((m0 == 0 || r0 == 0 || c0 == 0) ? 0 : 1); 1771])], 1772 [xorg_cv_malloc0_returns_null=yes], 1773 [xorg_cv_malloc0_returns_null=no])]) 1774MALLOC_ZERO_RETURNS_NULL=$xorg_cv_malloc0_returns_null 1775fi 1776AC_MSG_RESULT([$MALLOC_ZERO_RETURNS_NULL]) 1777 1778if test "x$MALLOC_ZERO_RETURNS_NULL" = xyes; then 1779 MALLOC_ZERO_CFLAGS="-DMALLOC_0_RETURNS_NULL" 1780 XMALLOC_ZERO_CFLAGS=$MALLOC_ZERO_CFLAGS 1781 XTMALLOC_ZERO_CFLAGS="$MALLOC_ZERO_CFLAGS -DXTMALLOC_BC" 1782else 1783 MALLOC_ZERO_CFLAGS="" 1784 XMALLOC_ZERO_CFLAGS="" 1785 XTMALLOC_ZERO_CFLAGS="" 1786fi 1787 1788AC_SUBST([MALLOC_ZERO_CFLAGS]) 1789AC_SUBST([XMALLOC_ZERO_CFLAGS]) 1790AC_SUBST([XTMALLOC_ZERO_CFLAGS]) 1791]) # XORG_CHECK_MALLOC_ZERO 1792 1793# XORG_WITH_LINT() 1794# ---------------- 1795# Minimum version: 1.1.0 1796# 1797# This macro enables the use of a tool that flags some suspicious and 1798# non-portable constructs (likely to be bugs) in C language source code. 1799# It will attempt to locate the tool and use appropriate options. 1800# There are various lint type tools on different platforms. 1801# 1802# Interface to module: 1803# LINT: returns the path to the tool found on the platform 1804# or the value set to LINT on the configure cmd line 1805# also an Automake conditional 1806# LINT_FLAGS: an Automake variable with appropriate flags 1807# 1808# --with-lint: 'yes' user instructs the module to use lint 1809# 'no' user instructs the module not to use lint (default) 1810# 1811# If the user sets the value of LINT, AC_PATH_PROG skips testing the path. 1812# If the user sets the value of LINT_FLAGS, they are used verbatim. 1813# 1814AC_DEFUN([XORG_WITH_LINT],[ 1815 1816AC_ARG_VAR([LINT], [Path to a lint-style command]) 1817AC_ARG_VAR([LINT_FLAGS], [Flags for the lint-style command]) 1818AC_ARG_WITH(lint, [AS_HELP_STRING([--with-lint], 1819 [Use a lint-style source code checker (default: disabled)])], 1820 [use_lint=$withval], [use_lint=no]) 1821 1822# Obtain platform specific info like program name and options 1823# The lint program on FreeBSD and NetBSD is different from the one on Solaris 1824case $host_os in 1825 *linux* | *openbsd* | kfreebsd*-gnu | darwin* | cygwin*) 1826 lint_name=splint 1827 lint_options="-badflag" 1828 ;; 1829 *freebsd* | *netbsd*) 1830 lint_name=lint 1831 lint_options="-u -b" 1832 ;; 1833 *solaris*) 1834 lint_name=lint 1835 lint_options="-u -b -h -erroff=E_INDISTING_FROM_TRUNC2" 1836 ;; 1837esac 1838 1839# Test for the presence of the program (either guessed by the code or spelled out by the user) 1840if test "x$use_lint" = x"yes" ; then 1841 AC_PATH_PROG([LINT], [$lint_name]) 1842 if test "x$LINT" = "x"; then 1843 AC_MSG_ERROR([--with-lint=yes specified but lint-style tool not found in PATH]) 1844 fi 1845elif test "x$use_lint" = x"no" ; then 1846 if test "x$LINT" != "x"; then 1847 AC_MSG_WARN([ignoring LINT environment variable since --with-lint=no was specified]) 1848 fi 1849else 1850 AC_MSG_ERROR([--with-lint expects 'yes' or 'no'. Use LINT variable to specify path.]) 1851fi 1852 1853# User supplied flags override default flags 1854if test "x$LINT_FLAGS" != "x"; then 1855 lint_options=$LINT_FLAGS 1856fi 1857 1858AC_SUBST([LINT_FLAGS],[$lint_options]) 1859AM_CONDITIONAL(LINT, [test "x$LINT" != x]) 1860 1861]) # XORG_WITH_LINT 1862 1863# XORG_LINT_LIBRARY(LIBNAME) 1864# -------------------------- 1865# Minimum version: 1.1.0 1866# 1867# Sets up flags for building lint libraries for checking programs that call 1868# functions in the library. 1869# 1870# Interface to module: 1871# LINTLIB - Automake variable with the name of lint library file to make 1872# MAKE_LINT_LIB - Automake conditional 1873# 1874# --enable-lint-library: - 'yes' user instructs the module to created a lint library 1875# - 'no' user instructs the module not to create a lint library (default) 1876 1877AC_DEFUN([XORG_LINT_LIBRARY],[ 1878AC_REQUIRE([XORG_WITH_LINT]) 1879AC_ARG_ENABLE(lint-library, [AS_HELP_STRING([--enable-lint-library], 1880 [Create lint library (default: disabled)])], 1881 [make_lint_lib=$enableval], [make_lint_lib=no]) 1882 1883if test "x$make_lint_lib" = x"yes" ; then 1884 LINTLIB=llib-l$1.ln 1885 if test "x$LINT" = "x"; then 1886 AC_MSG_ERROR([Cannot make lint library without --with-lint]) 1887 fi 1888elif test "x$make_lint_lib" != x"no" ; then 1889 AC_MSG_ERROR([--enable-lint-library expects 'yes' or 'no'.]) 1890fi 1891 1892AC_SUBST(LINTLIB) 1893AM_CONDITIONAL(MAKE_LINT_LIB, [test x$make_lint_lib != xno]) 1894 1895]) # XORG_LINT_LIBRARY 1896 1897# XORG_COMPILER_BRAND 1898# ------------------- 1899# Minimum version: 1.14.0 1900# 1901# Checks for various brands of compilers and sets flags as appropriate: 1902# GNU gcc - relies on AC_PROG_CC (via AC_PROG_CC_C99) to set GCC to "yes" 1903# GNU g++ - relies on AC_PROG_CXX to set GXX to "yes" 1904# clang compiler - sets CLANGCC to "yes" 1905# Intel compiler - sets INTELCC to "yes" 1906# Sun/Oracle Solaris Studio cc - sets SUNCC to "yes" 1907# 1908AC_DEFUN([XORG_COMPILER_BRAND], [ 1909AC_LANG_CASE( 1910 [C], [ 1911 dnl autoconf-2.70 folded AC_PROG_CC_C99 into AC_PROG_CC 1912 dnl and complains that AC_PROG_CC_C99 is obsolete 1913 m4_version_prereq([2.70], 1914 [AC_REQUIRE([AC_PROG_CC])], 1915 [AC_REQUIRE([AC_PROG_CC_C99])]) 1916 ], 1917 [C++], [ 1918 AC_REQUIRE([AC_PROG_CXX]) 1919 ] 1920) 1921AC_CHECK_DECL([__clang__], [CLANGCC="yes"], [CLANGCC="no"]) 1922AC_CHECK_DECL([__INTEL_COMPILER], [INTELCC="yes"], [INTELCC="no"]) 1923AC_CHECK_DECL([__SUNPRO_C], [SUNCC="yes"], [SUNCC="no"]) 1924]) # XORG_COMPILER_BRAND 1925 1926# XORG_TESTSET_CFLAG(<variable>, <flag>, [<alternative flag>, ...]) 1927# --------------- 1928# Minimum version: 1.16.0 1929# 1930# Test if the compiler works when passed the given flag as a command line argument. 1931# If it succeeds, the flag is appended to the given variable. If not, it tries the 1932# next flag in the list until there are no more options. 1933# 1934# Note that this does not guarantee that the compiler supports the flag as some 1935# compilers will simply ignore arguments that they do not understand, but we do 1936# attempt to weed out false positives by using -Werror=unknown-warning-option and 1937# -Werror=unused-command-line-argument 1938# 1939AC_DEFUN([XORG_TESTSET_CFLAG], [ 1940m4_if([$#], 0, [m4_fatal([XORG_TESTSET_CFLAG was given with an unsupported number of arguments])]) 1941m4_if([$#], 1, [m4_fatal([XORG_TESTSET_CFLAG was given with an unsupported number of arguments])]) 1942 1943AC_LANG_COMPILER_REQUIRE 1944 1945AC_LANG_CASE( 1946 [C], [ 1947 dnl autoconf-2.70 folded AC_PROG_CC_C99 into AC_PROG_CC 1948 dnl and complains that AC_PROG_CC_C99 is obsolete 1949 m4_version_prereq([2.70], 1950 [AC_REQUIRE([AC_PROG_CC])], 1951 [AC_REQUIRE([AC_PROG_CC_C99])]) 1952 define([PREFIX], [C]) 1953 define([CACHE_PREFIX], [cc]) 1954 define([COMPILER], [$CC]) 1955 ], 1956 [C++], [ 1957 define([PREFIX], [CXX]) 1958 define([CACHE_PREFIX], [cxx]) 1959 define([COMPILER], [$CXX]) 1960 ] 1961) 1962 1963[xorg_testset_save_]PREFIX[FLAGS]="$PREFIX[FLAGS]" 1964 1965if test "x$[xorg_testset_]CACHE_PREFIX[_unknown_warning_option]" = "x" ; then 1966 PREFIX[FLAGS]="$PREFIX[FLAGS] -Werror=unknown-warning-option" 1967 AC_CACHE_CHECK([if ]COMPILER[ supports -Werror=unknown-warning-option], 1968 [xorg_cv_]CACHE_PREFIX[_flag_unknown_warning_option], 1969 AC_COMPILE_IFELSE([AC_LANG_SOURCE([int i;])], 1970 [xorg_cv_]CACHE_PREFIX[_flag_unknown_warning_option=yes], 1971 [xorg_cv_]CACHE_PREFIX[_flag_unknown_warning_option=no])) 1972 [xorg_testset_]CACHE_PREFIX[_unknown_warning_option]=$[xorg_cv_]CACHE_PREFIX[_flag_unknown_warning_option] 1973 PREFIX[FLAGS]="$[xorg_testset_save_]PREFIX[FLAGS]" 1974fi 1975 1976if test "x$[xorg_testset_]CACHE_PREFIX[_unused_command_line_argument]" = "x" ; then 1977 if test "x$[xorg_testset_]CACHE_PREFIX[_unknown_warning_option]" = "xyes" ; then 1978 PREFIX[FLAGS]="$PREFIX[FLAGS] -Werror=unknown-warning-option" 1979 fi 1980 PREFIX[FLAGS]="$PREFIX[FLAGS] -Werror=unused-command-line-argument" 1981 AC_CACHE_CHECK([if ]COMPILER[ supports -Werror=unused-command-line-argument], 1982 [xorg_cv_]CACHE_PREFIX[_flag_unused_command_line_argument], 1983 AC_COMPILE_IFELSE([AC_LANG_SOURCE([int i;])], 1984 [xorg_cv_]CACHE_PREFIX[_flag_unused_command_line_argument=yes], 1985 [xorg_cv_]CACHE_PREFIX[_flag_unused_command_line_argument=no])) 1986 [xorg_testset_]CACHE_PREFIX[_unused_command_line_argument]=$[xorg_cv_]CACHE_PREFIX[_flag_unused_command_line_argument] 1987 PREFIX[FLAGS]="$[xorg_testset_save_]PREFIX[FLAGS]" 1988fi 1989 1990found="no" 1991m4_foreach([flag], m4_cdr($@), [ 1992 if test $found = "no" ; then 1993 if test "x$xorg_testset_]CACHE_PREFIX[_unknown_warning_option" = "xyes" ; then 1994 PREFIX[FLAGS]="$PREFIX[FLAGS] -Werror=unknown-warning-option" 1995 fi 1996 1997 if test "x$xorg_testset_]CACHE_PREFIX[_unused_command_line_argument" = "xyes" ; then 1998 PREFIX[FLAGS]="$PREFIX[FLAGS] -Werror=unused-command-line-argument" 1999 fi 2000 2001 PREFIX[FLAGS]="$PREFIX[FLAGS] ]flag[" 2002 2003dnl Some hackery here since AC_CACHE_VAL can't handle a non-literal varname 2004 AC_MSG_CHECKING([if ]COMPILER[ supports ]flag[]) 2005 cacheid=AS_TR_SH([xorg_cv_]CACHE_PREFIX[_flag_]flag[]) 2006 AC_CACHE_VAL($cacheid, 2007 [AC_LINK_IFELSE([AC_LANG_PROGRAM([int i;])], 2008 [eval $cacheid=yes], 2009 [eval $cacheid=no])]) 2010 2011 PREFIX[FLAGS]="$[xorg_testset_save_]PREFIX[FLAGS]" 2012 2013 eval supported=\$$cacheid 2014 AC_MSG_RESULT([$supported]) 2015 if test "$supported" = "yes" ; then 2016 $1="$$1 ]flag[" 2017 found="yes" 2018 fi 2019 fi 2020]) 2021]) # XORG_TESTSET_CFLAG 2022 2023# XORG_COMPILER_FLAGS 2024# --------------- 2025# Minimum version: 1.16.0 2026# 2027# Defines BASE_CFLAGS or BASE_CXXFLAGS to contain a set of command line 2028# arguments supported by the selected compiler which do NOT alter the generated 2029# code. These arguments will cause the compiler to print various warnings 2030# during compilation AND turn a conservative set of warnings into errors. 2031# 2032# The set of flags supported by BASE_CFLAGS and BASE_CXXFLAGS will grow in 2033# future versions of util-macros as options are added to new compilers. 2034# 2035AC_DEFUN([XORG_COMPILER_FLAGS], [ 2036AC_REQUIRE([XORG_COMPILER_BRAND]) 2037 2038AC_ARG_ENABLE(selective-werror, 2039 AS_HELP_STRING([--disable-selective-werror], 2040 [Turn off selective compiler errors. (default: enabled)]), 2041 [SELECTIVE_WERROR=$enableval], 2042 [SELECTIVE_WERROR=yes]) 2043 2044AC_LANG_CASE( 2045 [C], [ 2046 define([PREFIX], [C]) 2047 ], 2048 [C++], [ 2049 define([PREFIX], [CXX]) 2050 ] 2051) 2052# -v is too short to test reliably with XORG_TESTSET_CFLAG 2053if test "x$SUNCC" = "xyes"; then 2054 [BASE_]PREFIX[FLAGS]="-v" 2055else 2056 [BASE_]PREFIX[FLAGS]="" 2057fi 2058 2059# This chunk of warnings were those that existed in the legacy CWARNFLAGS 2060XORG_TESTSET_CFLAG([[BASE_]PREFIX[FLAGS]], [-Wall]) 2061XORG_TESTSET_CFLAG([[BASE_]PREFIX[FLAGS]], [-Wpointer-arith]) 2062XORG_TESTSET_CFLAG([[BASE_]PREFIX[FLAGS]], [-Wmissing-declarations]) 2063XORG_TESTSET_CFLAG([[BASE_]PREFIX[FLAGS]], [-Wformat=2], [-Wformat]) 2064 2065AC_LANG_CASE( 2066 [C], [ 2067 XORG_TESTSET_CFLAG([[BASE_]PREFIX[FLAGS]], [-Wstrict-prototypes]) 2068 XORG_TESTSET_CFLAG([[BASE_]PREFIX[FLAGS]], [-Wmissing-prototypes]) 2069 XORG_TESTSET_CFLAG([[BASE_]PREFIX[FLAGS]], [-Wnested-externs]) 2070 XORG_TESTSET_CFLAG([[BASE_]PREFIX[FLAGS]], [-Wbad-function-cast]) 2071 XORG_TESTSET_CFLAG([[BASE_]PREFIX[FLAGS]], [-Wold-style-definition], [-fd]) 2072 XORG_TESTSET_CFLAG([[BASE_]PREFIX[FLAGS]], [-Wdeclaration-after-statement]) 2073 ] 2074) 2075 2076# This chunk adds additional warnings that could catch undesired effects. 2077XORG_TESTSET_CFLAG([[BASE_]PREFIX[FLAGS]], [-Wunused]) 2078XORG_TESTSET_CFLAG([[BASE_]PREFIX[FLAGS]], [-Wuninitialized]) 2079XORG_TESTSET_CFLAG([[BASE_]PREFIX[FLAGS]], [-Wshadow]) 2080XORG_TESTSET_CFLAG([[BASE_]PREFIX[FLAGS]], [-Wmissing-noreturn]) 2081XORG_TESTSET_CFLAG([[BASE_]PREFIX[FLAGS]], [-Wmissing-format-attribute]) 2082XORG_TESTSET_CFLAG([[BASE_]PREFIX[FLAGS]], [-Wredundant-decls]) 2083XORG_TESTSET_CFLAG([[BASE_]PREFIX[FLAGS]], [-Wlogical-op]) 2084 2085# These are currently disabled because they are noisy. They will be enabled 2086# in the future once the codebase is sufficiently modernized to silence 2087# them. For now, I don't want them to drown out the other warnings. 2088# XORG_TESTSET_CFLAG([[BASE_]PREFIX[FLAGS]], [-Wparentheses]) 2089# XORG_TESTSET_CFLAG([[BASE_]PREFIX[FLAGS]], [-Wcast-align]) 2090# XORG_TESTSET_CFLAG([[BASE_]PREFIX[FLAGS]], [-Wcast-qual]) 2091 2092# Turn some warnings into errors, so we don't accidentally get successful builds 2093# when there are problems that should be fixed. 2094 2095if test "x$SELECTIVE_WERROR" = "xyes" ; then 2096XORG_TESTSET_CFLAG([[BASE_]PREFIX[FLAGS]], [-Werror=implicit], [-errwarn=E_NO_EXPLICIT_TYPE_GIVEN -errwarn=E_NO_IMPLICIT_DECL_ALLOWED]) 2097XORG_TESTSET_CFLAG([[BASE_]PREFIX[FLAGS]], [-Werror=nonnull]) 2098XORG_TESTSET_CFLAG([[BASE_]PREFIX[FLAGS]], [-Werror=init-self]) 2099XORG_TESTSET_CFLAG([[BASE_]PREFIX[FLAGS]], [-Werror=main]) 2100XORG_TESTSET_CFLAG([[BASE_]PREFIX[FLAGS]], [-Werror=missing-braces]) 2101XORG_TESTSET_CFLAG([[BASE_]PREFIX[FLAGS]], [-Werror=sequence-point]) 2102XORG_TESTSET_CFLAG([[BASE_]PREFIX[FLAGS]], [-Werror=return-type], [-errwarn=E_FUNC_HAS_NO_RETURN_STMT]) 2103XORG_TESTSET_CFLAG([[BASE_]PREFIX[FLAGS]], [-Werror=trigraphs]) 2104XORG_TESTSET_CFLAG([[BASE_]PREFIX[FLAGS]], [-Werror=array-bounds]) 2105XORG_TESTSET_CFLAG([[BASE_]PREFIX[FLAGS]], [-Werror=write-strings]) 2106XORG_TESTSET_CFLAG([[BASE_]PREFIX[FLAGS]], [-Werror=address]) 2107XORG_TESTSET_CFLAG([[BASE_]PREFIX[FLAGS]], [-Werror=int-to-pointer-cast], [-errwarn=E_BAD_PTR_INT_COMBINATION]) 2108XORG_TESTSET_CFLAG([[BASE_]PREFIX[FLAGS]], [-Werror=pointer-to-int-cast]) # Also -errwarn=E_BAD_PTR_INT_COMBINATION 2109else 2110AC_MSG_WARN([You have chosen not to turn some select compiler warnings into errors. This should not be necessary. Please report why you needed to do so in a bug report at $PACKAGE_BUGREPORT]) 2111XORG_TESTSET_CFLAG([[BASE_]PREFIX[FLAGS]], [-Wimplicit]) 2112XORG_TESTSET_CFLAG([[BASE_]PREFIX[FLAGS]], [-Wnonnull]) 2113XORG_TESTSET_CFLAG([[BASE_]PREFIX[FLAGS]], [-Winit-self]) 2114XORG_TESTSET_CFLAG([[BASE_]PREFIX[FLAGS]], [-Wmain]) 2115XORG_TESTSET_CFLAG([[BASE_]PREFIX[FLAGS]], [-Wmissing-braces]) 2116XORG_TESTSET_CFLAG([[BASE_]PREFIX[FLAGS]], [-Wsequence-point]) 2117XORG_TESTSET_CFLAG([[BASE_]PREFIX[FLAGS]], [-Wreturn-type]) 2118XORG_TESTSET_CFLAG([[BASE_]PREFIX[FLAGS]], [-Wtrigraphs]) 2119XORG_TESTSET_CFLAG([[BASE_]PREFIX[FLAGS]], [-Warray-bounds]) 2120XORG_TESTSET_CFLAG([[BASE_]PREFIX[FLAGS]], [-Wwrite-strings]) 2121XORG_TESTSET_CFLAG([[BASE_]PREFIX[FLAGS]], [-Waddress]) 2122XORG_TESTSET_CFLAG([[BASE_]PREFIX[FLAGS]], [-Wint-to-pointer-cast]) 2123XORG_TESTSET_CFLAG([[BASE_]PREFIX[FLAGS]], [-Wpointer-to-int-cast]) 2124fi 2125 2126AC_SUBST([BASE_]PREFIX[FLAGS]) 2127]) # XORG_COMPILER_FLAGS 2128 2129# XORG_CWARNFLAGS 2130# --------------- 2131# Minimum version: 1.2.0 2132# Deprecated since: 1.16.0 (Use XORG_COMPILER_FLAGS instead) 2133# 2134# Defines CWARNFLAGS to enable C compiler warnings. 2135# 2136# This function is deprecated because it defines -fno-strict-aliasing 2137# which alters the code generated by the compiler. If -fno-strict-aliasing 2138# is needed, then it should be added explicitly in the module when 2139# it is updated to use BASE_CFLAGS. 2140# 2141AC_DEFUN([XORG_CWARNFLAGS], [ 2142AC_REQUIRE([XORG_COMPILER_FLAGS]) 2143AC_REQUIRE([XORG_COMPILER_BRAND]) 2144AC_LANG_CASE( 2145 [C], [ 2146 CWARNFLAGS="$BASE_CFLAGS" 2147 if test "x$GCC" = xyes ; then 2148 CWARNFLAGS="$CWARNFLAGS -fno-strict-aliasing" 2149 fi 2150 AC_SUBST(CWARNFLAGS) 2151 ] 2152) 2153]) # XORG_CWARNFLAGS 2154 2155# XORG_STRICT_OPTION 2156# ----------------------- 2157# Minimum version: 1.3.0 2158# 2159# Add configure option to enable strict compilation flags, such as treating 2160# warnings as fatal errors. 2161# If --enable-strict-compilation is passed to configure, adds strict flags to 2162# $BASE_CFLAGS or $BASE_CXXFLAGS and the deprecated $CWARNFLAGS. 2163# 2164# Starting in 1.14.0 also exports $STRICT_CFLAGS for use in other tests or 2165# when strict compilation is unconditionally desired. 2166AC_DEFUN([XORG_STRICT_OPTION], [ 2167AC_REQUIRE([XORG_CWARNFLAGS]) 2168AC_REQUIRE([XORG_COMPILER_FLAGS]) 2169 2170AC_ARG_ENABLE(strict-compilation, 2171 AS_HELP_STRING([--enable-strict-compilation], 2172 [Enable all warnings from compiler and make them errors (default: disabled)]), 2173 [STRICT_COMPILE=$enableval], [STRICT_COMPILE=no]) 2174 2175AC_LANG_CASE( 2176 [C], [ 2177 define([PREFIX], [C]) 2178 ], 2179 [C++], [ 2180 define([PREFIX], [CXX]) 2181 ] 2182) 2183 2184[STRICT_]PREFIX[FLAGS]="" 2185XORG_TESTSET_CFLAG([[STRICT_]PREFIX[FLAGS]], [-pedantic]) 2186XORG_TESTSET_CFLAG([[STRICT_]PREFIX[FLAGS]], [-Werror], [-errwarn]) 2187 2188# Earlier versions of gcc (eg: 4.2) support -Werror=attributes, but do not 2189# activate it with -Werror, so we add it here explicitly. 2190XORG_TESTSET_CFLAG([[STRICT_]PREFIX[FLAGS]], [-Werror=attributes]) 2191 2192if test "x$STRICT_COMPILE" = "xyes"; then 2193 [BASE_]PREFIX[FLAGS]="$[BASE_]PREFIX[FLAGS] $[STRICT_]PREFIX[FLAGS]" 2194 AC_LANG_CASE([C], [CWARNFLAGS="$CWARNFLAGS $STRICT_CFLAGS"]) 2195fi 2196AC_SUBST([STRICT_]PREFIX[FLAGS]) 2197AC_SUBST([BASE_]PREFIX[FLAGS]) 2198AC_LANG_CASE([C], AC_SUBST([CWARNFLAGS])) 2199]) # XORG_STRICT_OPTION 2200 2201# XORG_DEFAULT_NOCODE_OPTIONS 2202# --------------------------- 2203# Minimum version: 1.20.0 2204# 2205# Defines default options for X.Org modules which don't compile code, 2206# such as fonts, bitmaps, cursors, and docs. 2207# 2208AC_DEFUN([XORG_DEFAULT_NOCODE_OPTIONS], [ 2209AC_REQUIRE([AC_PROG_INSTALL]) 2210XORG_RELEASE_VERSION 2211XORG_CHANGELOG 2212XORG_INSTALL 2213XORG_MANPAGE_SECTIONS 2214m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])], 2215 [AC_SUBST([AM_DEFAULT_VERBOSITY], [1])]) 2216]) # XORG_DEFAULT_NOCODE_OPTIONS 2217 2218# XORG_DEFAULT_OPTIONS 2219# -------------------- 2220# Minimum version: 1.3.0 2221# 2222# Defines default options for X.Org modules which compile code. 2223# 2224AC_DEFUN([XORG_DEFAULT_OPTIONS], [ 2225AC_REQUIRE([AC_PROG_INSTALL]) 2226XORG_COMPILER_FLAGS 2227XORG_CWARNFLAGS 2228XORG_STRICT_OPTION 2229XORG_DEFAULT_NOCODE_OPTIONS 2230]) # XORG_DEFAULT_OPTIONS 2231 2232# XORG_INSTALL() 2233# ---------------- 2234# Minimum version: 1.4.0 2235# 2236# Defines the variable INSTALL_CMD as the command to copy 2237# INSTALL from $prefix/share/util-macros. 2238# 2239AC_DEFUN([XORG_INSTALL], [ 2240AC_REQUIRE([PKG_PROG_PKG_CONFIG]) 2241macros_datadir=`$PKG_CONFIG --print-errors --variable=pkgdatadir xorg-macros` 2242INSTALL_CMD="(cp -f "$macros_datadir/INSTALL" \$(top_srcdir)/.INSTALL.tmp && \ 2243mv \$(top_srcdir)/.INSTALL.tmp \$(top_srcdir)/INSTALL) \ 2244|| (rm -f \$(top_srcdir)/.INSTALL.tmp; test -e \$(top_srcdir)/INSTALL || ( \ 2245touch \$(top_srcdir)/INSTALL; \ 2246echo 'failed to copy INSTALL from util-macros: installing empty INSTALL.' >&2))" 2247AC_SUBST([INSTALL_CMD]) 2248]) # XORG_INSTALL 2249dnl Copyright 2005 Red Hat, Inc 2250dnl 2251dnl Permission to use, copy, modify, distribute, and sell this software and its 2252dnl documentation for any purpose is hereby granted without fee, provided that 2253dnl the above copyright notice appear in all copies and that both that 2254dnl copyright notice and this permission notice appear in supporting 2255dnl documentation. 2256dnl 2257dnl The above copyright notice and this permission notice shall be included 2258dnl in all copies or substantial portions of the Software. 2259dnl 2260dnl THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS 2261dnl OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 2262dnl MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. 2263dnl IN NO EVENT SHALL THE OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR 2264dnl OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 2265dnl ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 2266dnl OTHER DEALINGS IN THE SOFTWARE. 2267dnl 2268dnl Except as contained in this notice, the name of the copyright holders shall 2269dnl not be used in advertising or otherwise to promote the sale, use or 2270dnl other dealings in this Software without prior written authorization 2271dnl from the copyright holders. 2272dnl 2273 2274# XORG_RELEASE_VERSION 2275# -------------------- 2276# Defines PACKAGE_VERSION_{MAJOR,MINOR,PATCHLEVEL} for modules to use. 2277 2278AC_DEFUN([XORG_RELEASE_VERSION],[ 2279 AC_DEFINE_UNQUOTED([PACKAGE_VERSION_MAJOR], 2280 [`echo $PACKAGE_VERSION | cut -d . -f 1`], 2281 [Major version of this package]) 2282 PVM=`echo $PACKAGE_VERSION | cut -d . -f 2 | cut -d - -f 1` 2283 if test "x$PVM" = "x"; then 2284 PVM="0" 2285 fi 2286 AC_DEFINE_UNQUOTED([PACKAGE_VERSION_MINOR], 2287 [$PVM], 2288 [Minor version of this package]) 2289 PVP=`echo $PACKAGE_VERSION | cut -d . -f 3 | cut -d - -f 1` 2290 if test "x$PVP" = "x"; then 2291 PVP="0" 2292 fi 2293 AC_DEFINE_UNQUOTED([PACKAGE_VERSION_PATCHLEVEL], 2294 [$PVP], 2295 [Patch version of this package]) 2296]) 2297 2298# XORG_CHANGELOG() 2299# ---------------- 2300# Minimum version: 1.2.0 2301# 2302# Defines the variable CHANGELOG_CMD as the command to generate 2303# ChangeLog from git. 2304# 2305# 2306AC_DEFUN([XORG_CHANGELOG], [ 2307CHANGELOG_CMD="((GIT_DIR=\$(top_srcdir)/.git git log > \$(top_srcdir)/.changelog.tmp) 2>/dev/null && \ 2308mv \$(top_srcdir)/.changelog.tmp \$(top_srcdir)/ChangeLog) \ 2309|| (rm -f \$(top_srcdir)/.changelog.tmp; test -e \$(top_srcdir)/ChangeLog || ( \ 2310touch \$(top_srcdir)/ChangeLog; \ 2311echo 'git failed to create ChangeLog: installing empty ChangeLog.' >&2))" 2312AC_SUBST([CHANGELOG_CMD]) 2313]) # XORG_CHANGELOG 2314 2315dnl Copyright 2005 Red Hat, Inc 2316dnl 2317dnl Permission to use, copy, modify, distribute, and sell this software and its 2318dnl documentation for any purpose is hereby granted without fee, provided that 2319dnl the above copyright notice appear in all copies and that both that 2320dnl copyright notice and this permission notice appear in supporting 2321dnl documentation. 2322dnl 2323dnl The above copyright notice and this permission notice shall be included 2324dnl in all copies or substantial portions of the Software. 2325dnl 2326dnl THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS 2327dnl OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 2328dnl MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. 2329dnl IN NO EVENT SHALL THE OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR 2330dnl OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 2331dnl ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 2332dnl OTHER DEALINGS IN THE SOFTWARE. 2333dnl 2334dnl Except as contained in this notice, the name of the copyright holders shall 2335dnl not be used in advertising or otherwise to promote the sale, use or 2336dnl other dealings in this Software without prior written authorization 2337dnl from the copyright holders. 2338dnl 2339 2340# XORG_DRIVER_CHECK_EXT(MACRO, PROTO) 2341# -------------------------- 2342# Checks for the MACRO define in xorg-server.h (from the sdk). If it 2343# is defined, then add the given PROTO to $REQUIRED_MODULES. 2344 2345AC_DEFUN([XORG_DRIVER_CHECK_EXT],[ 2346 AC_REQUIRE([PKG_PROG_PKG_CONFIG]) 2347 SAVE_CFLAGS="$CFLAGS" 2348 CFLAGS="$CFLAGS `$PKG_CONFIG --cflags xorg-server`" 2349 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ 2350#include "xorg-server.h" 2351#if !defined $1 2352#error $1 not defined 2353#endif 2354 ]])], 2355 [_EXT_CHECK=yes], 2356 [_EXT_CHECK=no]) 2357 CFLAGS="$SAVE_CFLAGS" 2358 AC_MSG_CHECKING([if $1 is defined]) 2359 AC_MSG_RESULT([$_EXT_CHECK]) 2360 if test "$_EXT_CHECK" != no; then 2361 REQUIRED_MODULES="$REQUIRED_MODULES $2" 2362 fi 2363]) 2364 2365# Copyright (C) 2002-2021 Free Software Foundation, Inc. 2366# 2367# This file is free software; the Free Software Foundation 2368# gives unlimited permission to copy and/or distribute it, 2369# with or without modifications, as long as this notice is preserved. 2370 2371# AM_AUTOMAKE_VERSION(VERSION) 2372# ---------------------------- 2373# Automake X.Y traces this macro to ensure aclocal.m4 has been 2374# generated from the m4 files accompanying Automake X.Y. 2375# (This private macro should not be called outside this file.) 2376AC_DEFUN([AM_AUTOMAKE_VERSION], 2377[am__api_version='1.16' 2378dnl Some users find AM_AUTOMAKE_VERSION and mistake it for a way to 2379dnl require some minimum version. Point them to the right macro. 2380m4_if([$1], [1.16.5], [], 2381 [AC_FATAL([Do not call $0, use AM_INIT_AUTOMAKE([$1]).])])dnl 2382]) 2383 2384# _AM_AUTOCONF_VERSION(VERSION) 2385# ----------------------------- 2386# aclocal traces this macro to find the Autoconf version. 2387# This is a private macro too. Using m4_define simplifies 2388# the logic in aclocal, which can simply ignore this definition. 2389m4_define([_AM_AUTOCONF_VERSION], []) 2390 2391# AM_SET_CURRENT_AUTOMAKE_VERSION 2392# ------------------------------- 2393# Call AM_AUTOMAKE_VERSION and AM_AUTOMAKE_VERSION so they can be traced. 2394# This function is AC_REQUIREd by AM_INIT_AUTOMAKE. 2395AC_DEFUN([AM_SET_CURRENT_AUTOMAKE_VERSION], 2396[AM_AUTOMAKE_VERSION([1.16.5])dnl 2397m4_ifndef([AC_AUTOCONF_VERSION], 2398 [m4_copy([m4_PACKAGE_VERSION], [AC_AUTOCONF_VERSION])])dnl 2399_AM_AUTOCONF_VERSION(m4_defn([AC_AUTOCONF_VERSION]))]) 2400 2401# AM_AUX_DIR_EXPAND -*- Autoconf -*- 2402 2403# Copyright (C) 2001-2021 Free Software Foundation, Inc. 2404# 2405# This file is free software; the Free Software Foundation 2406# gives unlimited permission to copy and/or distribute it, 2407# with or without modifications, as long as this notice is preserved. 2408 2409# For projects using AC_CONFIG_AUX_DIR([foo]), Autoconf sets 2410# $ac_aux_dir to '$srcdir/foo'. In other projects, it is set to 2411# '$srcdir', '$srcdir/..', or '$srcdir/../..'. 2412# 2413# Of course, Automake must honor this variable whenever it calls a 2414# tool from the auxiliary directory. The problem is that $srcdir (and 2415# therefore $ac_aux_dir as well) can be either absolute or relative, 2416# depending on how configure is run. This is pretty annoying, since 2417# it makes $ac_aux_dir quite unusable in subdirectories: in the top 2418# source directory, any form will work fine, but in subdirectories a 2419# relative path needs to be adjusted first. 2420# 2421# $ac_aux_dir/missing 2422# fails when called from a subdirectory if $ac_aux_dir is relative 2423# $top_srcdir/$ac_aux_dir/missing 2424# fails if $ac_aux_dir is absolute, 2425# fails when called from a subdirectory in a VPATH build with 2426# a relative $ac_aux_dir 2427# 2428# The reason of the latter failure is that $top_srcdir and $ac_aux_dir 2429# are both prefixed by $srcdir. In an in-source build this is usually 2430# harmless because $srcdir is '.', but things will broke when you 2431# start a VPATH build or use an absolute $srcdir. 2432# 2433# So we could use something similar to $top_srcdir/$ac_aux_dir/missing, 2434# iff we strip the leading $srcdir from $ac_aux_dir. That would be: 2435# am_aux_dir='\$(top_srcdir)/'`expr "$ac_aux_dir" : "$srcdir//*\(.*\)"` 2436# and then we would define $MISSING as 2437# MISSING="\${SHELL} $am_aux_dir/missing" 2438# This will work as long as MISSING is not called from configure, because 2439# unfortunately $(top_srcdir) has no meaning in configure. 2440# However there are other variables, like CC, which are often used in 2441# configure, and could therefore not use this "fixed" $ac_aux_dir. 2442# 2443# Another solution, used here, is to always expand $ac_aux_dir to an 2444# absolute PATH. The drawback is that using absolute paths prevent a 2445# configured tree to be moved without reconfiguration. 2446 2447AC_DEFUN([AM_AUX_DIR_EXPAND], 2448[AC_REQUIRE([AC_CONFIG_AUX_DIR_DEFAULT])dnl 2449# Expand $ac_aux_dir to an absolute path. 2450am_aux_dir=`cd "$ac_aux_dir" && pwd` 2451]) 2452 2453# AM_CONDITIONAL -*- Autoconf -*- 2454 2455# Copyright (C) 1997-2021 Free Software Foundation, Inc. 2456# 2457# This file is free software; the Free Software Foundation 2458# gives unlimited permission to copy and/or distribute it, 2459# with or without modifications, as long as this notice is preserved. 2460 2461# AM_CONDITIONAL(NAME, SHELL-CONDITION) 2462# ------------------------------------- 2463# Define a conditional. 2464AC_DEFUN([AM_CONDITIONAL], 2465[AC_PREREQ([2.52])dnl 2466 m4_if([$1], [TRUE], [AC_FATAL([$0: invalid condition: $1])], 2467 [$1], [FALSE], [AC_FATAL([$0: invalid condition: $1])])dnl 2468AC_SUBST([$1_TRUE])dnl 2469AC_SUBST([$1_FALSE])dnl 2470_AM_SUBST_NOTMAKE([$1_TRUE])dnl 2471_AM_SUBST_NOTMAKE([$1_FALSE])dnl 2472m4_define([_AM_COND_VALUE_$1], [$2])dnl 2473if $2; then 2474 $1_TRUE= 2475 $1_FALSE='#' 2476else 2477 $1_TRUE='#' 2478 $1_FALSE= 2479fi 2480AC_CONFIG_COMMANDS_PRE( 2481[if test -z "${$1_TRUE}" && test -z "${$1_FALSE}"; then 2482 AC_MSG_ERROR([[conditional "$1" was never defined. 2483Usually this means the macro was only invoked conditionally.]]) 2484fi])]) 2485 2486# Copyright (C) 1999-2021 Free Software Foundation, Inc. 2487# 2488# This file is free software; the Free Software Foundation 2489# gives unlimited permission to copy and/or distribute it, 2490# with or without modifications, as long as this notice is preserved. 2491 2492 2493# There are a few dirty hacks below to avoid letting 'AC_PROG_CC' be 2494# written in clear, in which case automake, when reading aclocal.m4, 2495# will think it sees a *use*, and therefore will trigger all it's 2496# C support machinery. Also note that it means that autoscan, seeing 2497# CC etc. in the Makefile, will ask for an AC_PROG_CC use... 2498 2499 2500# _AM_DEPENDENCIES(NAME) 2501# ---------------------- 2502# See how the compiler implements dependency checking. 2503# NAME is "CC", "CXX", "OBJC", "OBJCXX", "UPC", or "GJC". 2504# We try a few techniques and use that to set a single cache variable. 2505# 2506# We don't AC_REQUIRE the corresponding AC_PROG_CC since the latter was 2507# modified to invoke _AM_DEPENDENCIES(CC); we would have a circular 2508# dependency, and given that the user is not expected to run this macro, 2509# just rely on AC_PROG_CC. 2510AC_DEFUN([_AM_DEPENDENCIES], 2511[AC_REQUIRE([AM_SET_DEPDIR])dnl 2512AC_REQUIRE([AM_OUTPUT_DEPENDENCY_COMMANDS])dnl 2513AC_REQUIRE([AM_MAKE_INCLUDE])dnl 2514AC_REQUIRE([AM_DEP_TRACK])dnl 2515 2516m4_if([$1], [CC], [depcc="$CC" am_compiler_list=], 2517 [$1], [CXX], [depcc="$CXX" am_compiler_list=], 2518 [$1], [OBJC], [depcc="$OBJC" am_compiler_list='gcc3 gcc'], 2519 [$1], [OBJCXX], [depcc="$OBJCXX" am_compiler_list='gcc3 gcc'], 2520 [$1], [UPC], [depcc="$UPC" am_compiler_list=], 2521 [$1], [GCJ], [depcc="$GCJ" am_compiler_list='gcc3 gcc'], 2522 [depcc="$$1" am_compiler_list=]) 2523 2524AC_CACHE_CHECK([dependency style of $depcc], 2525 [am_cv_$1_dependencies_compiler_type], 2526[if test -z "$AMDEP_TRUE" && test -f "$am_depcomp"; then 2527 # We make a subdir and do the tests there. Otherwise we can end up 2528 # making bogus files that we don't know about and never remove. For 2529 # instance it was reported that on HP-UX the gcc test will end up 2530 # making a dummy file named 'D' -- because '-MD' means "put the output 2531 # in D". 2532 rm -rf conftest.dir 2533 mkdir conftest.dir 2534 # Copy depcomp to subdir because otherwise we won't find it if we're 2535 # using a relative directory. 2536 cp "$am_depcomp" conftest.dir 2537 cd conftest.dir 2538 # We will build objects and dependencies in a subdirectory because 2539 # it helps to detect inapplicable dependency modes. For instance 2540 # both Tru64's cc and ICC support -MD to output dependencies as a 2541 # side effect of compilation, but ICC will put the dependencies in 2542 # the current directory while Tru64 will put them in the object 2543 # directory. 2544 mkdir sub 2545 2546 am_cv_$1_dependencies_compiler_type=none 2547 if test "$am_compiler_list" = ""; then 2548 am_compiler_list=`sed -n ['s/^#*\([a-zA-Z0-9]*\))$/\1/p'] < ./depcomp` 2549 fi 2550 am__universal=false 2551 m4_case([$1], [CC], 2552 [case " $depcc " in #( 2553 *\ -arch\ *\ -arch\ *) am__universal=true ;; 2554 esac], 2555 [CXX], 2556 [case " $depcc " in #( 2557 *\ -arch\ *\ -arch\ *) am__universal=true ;; 2558 esac]) 2559 2560 for depmode in $am_compiler_list; do 2561 # Setup a source with many dependencies, because some compilers 2562 # like to wrap large dependency lists on column 80 (with \), and 2563 # we should not choose a depcomp mode which is confused by this. 2564 # 2565 # We need to recreate these files for each test, as the compiler may 2566 # overwrite some of them when testing with obscure command lines. 2567 # This happens at least with the AIX C compiler. 2568 : > sub/conftest.c 2569 for i in 1 2 3 4 5 6; do 2570 echo '#include "conftst'$i'.h"' >> sub/conftest.c 2571 # Using ": > sub/conftst$i.h" creates only sub/conftst1.h with 2572 # Solaris 10 /bin/sh. 2573 echo '/* dummy */' > sub/conftst$i.h 2574 done 2575 echo "${am__include} ${am__quote}sub/conftest.Po${am__quote}" > confmf 2576 2577 # We check with '-c' and '-o' for the sake of the "dashmstdout" 2578 # mode. It turns out that the SunPro C++ compiler does not properly 2579 # handle '-M -o', and we need to detect this. Also, some Intel 2580 # versions had trouble with output in subdirs. 2581 am__obj=sub/conftest.${OBJEXT-o} 2582 am__minus_obj="-o $am__obj" 2583 case $depmode in 2584 gcc) 2585 # This depmode causes a compiler race in universal mode. 2586 test "$am__universal" = false || continue 2587 ;; 2588 nosideeffect) 2589 # After this tag, mechanisms are not by side-effect, so they'll 2590 # only be used when explicitly requested. 2591 if test "x$enable_dependency_tracking" = xyes; then 2592 continue 2593 else 2594 break 2595 fi 2596 ;; 2597 msvc7 | msvc7msys | msvisualcpp | msvcmsys) 2598 # This compiler won't grok '-c -o', but also, the minuso test has 2599 # not run yet. These depmodes are late enough in the game, and 2600 # so weak that their functioning should not be impacted. 2601 am__obj=conftest.${OBJEXT-o} 2602 am__minus_obj= 2603 ;; 2604 none) break ;; 2605 esac 2606 if depmode=$depmode \ 2607 source=sub/conftest.c object=$am__obj \ 2608 depfile=sub/conftest.Po tmpdepfile=sub/conftest.TPo \ 2609 $SHELL ./depcomp $depcc -c $am__minus_obj sub/conftest.c \ 2610 >/dev/null 2>conftest.err && 2611 grep sub/conftst1.h sub/conftest.Po > /dev/null 2>&1 && 2612 grep sub/conftst6.h sub/conftest.Po > /dev/null 2>&1 && 2613 grep $am__obj sub/conftest.Po > /dev/null 2>&1 && 2614 ${MAKE-make} -s -f confmf > /dev/null 2>&1; then 2615 # icc doesn't choke on unknown options, it will just issue warnings 2616 # or remarks (even with -Werror). So we grep stderr for any message 2617 # that says an option was ignored or not supported. 2618 # When given -MP, icc 7.0 and 7.1 complain thusly: 2619 # icc: Command line warning: ignoring option '-M'; no argument required 2620 # The diagnosis changed in icc 8.0: 2621 # icc: Command line remark: option '-MP' not supported 2622 if (grep 'ignoring option' conftest.err || 2623 grep 'not supported' conftest.err) >/dev/null 2>&1; then :; else 2624 am_cv_$1_dependencies_compiler_type=$depmode 2625 break 2626 fi 2627 fi 2628 done 2629 2630 cd .. 2631 rm -rf conftest.dir 2632else 2633 am_cv_$1_dependencies_compiler_type=none 2634fi 2635]) 2636AC_SUBST([$1DEPMODE], [depmode=$am_cv_$1_dependencies_compiler_type]) 2637AM_CONDITIONAL([am__fastdep$1], [ 2638 test "x$enable_dependency_tracking" != xno \ 2639 && test "$am_cv_$1_dependencies_compiler_type" = gcc3]) 2640]) 2641 2642 2643# AM_SET_DEPDIR 2644# ------------- 2645# Choose a directory name for dependency files. 2646# This macro is AC_REQUIREd in _AM_DEPENDENCIES. 2647AC_DEFUN([AM_SET_DEPDIR], 2648[AC_REQUIRE([AM_SET_LEADING_DOT])dnl 2649AC_SUBST([DEPDIR], ["${am__leading_dot}deps"])dnl 2650]) 2651 2652 2653# AM_DEP_TRACK 2654# ------------ 2655AC_DEFUN([AM_DEP_TRACK], 2656[AC_ARG_ENABLE([dependency-tracking], [dnl 2657AS_HELP_STRING( 2658 [--enable-dependency-tracking], 2659 [do not reject slow dependency extractors]) 2660AS_HELP_STRING( 2661 [--disable-dependency-tracking], 2662 [speeds up one-time build])]) 2663if test "x$enable_dependency_tracking" != xno; then 2664 am_depcomp="$ac_aux_dir/depcomp" 2665 AMDEPBACKSLASH='\' 2666 am__nodep='_no' 2667fi 2668AM_CONDITIONAL([AMDEP], [test "x$enable_dependency_tracking" != xno]) 2669AC_SUBST([AMDEPBACKSLASH])dnl 2670_AM_SUBST_NOTMAKE([AMDEPBACKSLASH])dnl 2671AC_SUBST([am__nodep])dnl 2672_AM_SUBST_NOTMAKE([am__nodep])dnl 2673]) 2674 2675# Generate code to set up dependency tracking. -*- Autoconf -*- 2676 2677# Copyright (C) 1999-2021 Free Software Foundation, Inc. 2678# 2679# This file is free software; the Free Software Foundation 2680# gives unlimited permission to copy and/or distribute it, 2681# with or without modifications, as long as this notice is preserved. 2682 2683# _AM_OUTPUT_DEPENDENCY_COMMANDS 2684# ------------------------------ 2685AC_DEFUN([_AM_OUTPUT_DEPENDENCY_COMMANDS], 2686[{ 2687 # Older Autoconf quotes --file arguments for eval, but not when files 2688 # are listed without --file. Let's play safe and only enable the eval 2689 # if we detect the quoting. 2690 # TODO: see whether this extra hack can be removed once we start 2691 # requiring Autoconf 2.70 or later. 2692 AS_CASE([$CONFIG_FILES], 2693 [*\'*], [eval set x "$CONFIG_FILES"], 2694 [*], [set x $CONFIG_FILES]) 2695 shift 2696 # Used to flag and report bootstrapping failures. 2697 am_rc=0 2698 for am_mf 2699 do 2700 # Strip MF so we end up with the name of the file. 2701 am_mf=`AS_ECHO(["$am_mf"]) | sed -e 's/:.*$//'` 2702 # Check whether this is an Automake generated Makefile which includes 2703 # dependency-tracking related rules and includes. 2704 # Grep'ing the whole file directly is not great: AIX grep has a line 2705 # limit of 2048, but all sed's we know have understand at least 4000. 2706 sed -n 's,^am--depfiles:.*,X,p' "$am_mf" | grep X >/dev/null 2>&1 \ 2707 || continue 2708 am_dirpart=`AS_DIRNAME(["$am_mf"])` 2709 am_filepart=`AS_BASENAME(["$am_mf"])` 2710 AM_RUN_LOG([cd "$am_dirpart" \ 2711 && sed -e '/# am--include-marker/d' "$am_filepart" \ 2712 | $MAKE -f - am--depfiles]) || am_rc=$? 2713 done 2714 if test $am_rc -ne 0; then 2715 AC_MSG_FAILURE([Something went wrong bootstrapping makefile fragments 2716 for automatic dependency tracking. If GNU make was not used, consider 2717 re-running the configure script with MAKE="gmake" (or whatever is 2718 necessary). You can also try re-running configure with the 2719 '--disable-dependency-tracking' option to at least be able to build 2720 the package (albeit without support for automatic dependency tracking).]) 2721 fi 2722 AS_UNSET([am_dirpart]) 2723 AS_UNSET([am_filepart]) 2724 AS_UNSET([am_mf]) 2725 AS_UNSET([am_rc]) 2726 rm -f conftest-deps.mk 2727} 2728])# _AM_OUTPUT_DEPENDENCY_COMMANDS 2729 2730 2731# AM_OUTPUT_DEPENDENCY_COMMANDS 2732# ----------------------------- 2733# This macro should only be invoked once -- use via AC_REQUIRE. 2734# 2735# This code is only required when automatic dependency tracking is enabled. 2736# This creates each '.Po' and '.Plo' makefile fragment that we'll need in 2737# order to bootstrap the dependency handling code. 2738AC_DEFUN([AM_OUTPUT_DEPENDENCY_COMMANDS], 2739[AC_CONFIG_COMMANDS([depfiles], 2740 [test x"$AMDEP_TRUE" != x"" || _AM_OUTPUT_DEPENDENCY_COMMANDS], 2741 [AMDEP_TRUE="$AMDEP_TRUE" MAKE="${MAKE-make}"])]) 2742 2743# Do all the work for Automake. -*- Autoconf -*- 2744 2745# Copyright (C) 1996-2021 Free Software Foundation, Inc. 2746# 2747# This file is free software; the Free Software Foundation 2748# gives unlimited permission to copy and/or distribute it, 2749# with or without modifications, as long as this notice is preserved. 2750 2751# This macro actually does too much. Some checks are only needed if 2752# your package does certain things. But this isn't really a big deal. 2753 2754dnl Redefine AC_PROG_CC to automatically invoke _AM_PROG_CC_C_O. 2755m4_define([AC_PROG_CC], 2756m4_defn([AC_PROG_CC]) 2757[_AM_PROG_CC_C_O 2758]) 2759 2760# AM_INIT_AUTOMAKE(PACKAGE, VERSION, [NO-DEFINE]) 2761# AM_INIT_AUTOMAKE([OPTIONS]) 2762# ----------------------------------------------- 2763# The call with PACKAGE and VERSION arguments is the old style 2764# call (pre autoconf-2.50), which is being phased out. PACKAGE 2765# and VERSION should now be passed to AC_INIT and removed from 2766# the call to AM_INIT_AUTOMAKE. 2767# We support both call styles for the transition. After 2768# the next Automake release, Autoconf can make the AC_INIT 2769# arguments mandatory, and then we can depend on a new Autoconf 2770# release and drop the old call support. 2771AC_DEFUN([AM_INIT_AUTOMAKE], 2772[AC_PREREQ([2.65])dnl 2773m4_ifdef([_$0_ALREADY_INIT], 2774 [m4_fatal([$0 expanded multiple times 2775]m4_defn([_$0_ALREADY_INIT]))], 2776 [m4_define([_$0_ALREADY_INIT], m4_expansion_stack)])dnl 2777dnl Autoconf wants to disallow AM_ names. We explicitly allow 2778dnl the ones we care about. 2779m4_pattern_allow([^AM_[A-Z]+FLAGS$])dnl 2780AC_REQUIRE([AM_SET_CURRENT_AUTOMAKE_VERSION])dnl 2781AC_REQUIRE([AC_PROG_INSTALL])dnl 2782if test "`cd $srcdir && pwd`" != "`pwd`"; then 2783 # Use -I$(srcdir) only when $(srcdir) != ., so that make's output 2784 # is not polluted with repeated "-I." 2785 AC_SUBST([am__isrc], [' -I$(srcdir)'])_AM_SUBST_NOTMAKE([am__isrc])dnl 2786 # test to see if srcdir already configured 2787 if test -f $srcdir/config.status; then 2788 AC_MSG_ERROR([source directory already configured; run "make distclean" there first]) 2789 fi 2790fi 2791 2792# test whether we have cygpath 2793if test -z "$CYGPATH_W"; then 2794 if (cygpath --version) >/dev/null 2>/dev/null; then 2795 CYGPATH_W='cygpath -w' 2796 else 2797 CYGPATH_W=echo 2798 fi 2799fi 2800AC_SUBST([CYGPATH_W]) 2801 2802# Define the identity of the package. 2803dnl Distinguish between old-style and new-style calls. 2804m4_ifval([$2], 2805[AC_DIAGNOSE([obsolete], 2806 [$0: two- and three-arguments forms are deprecated.]) 2807m4_ifval([$3], [_AM_SET_OPTION([no-define])])dnl 2808 AC_SUBST([PACKAGE], [$1])dnl 2809 AC_SUBST([VERSION], [$2])], 2810[_AM_SET_OPTIONS([$1])dnl 2811dnl Diagnose old-style AC_INIT with new-style AM_AUTOMAKE_INIT. 2812m4_if( 2813 m4_ifset([AC_PACKAGE_NAME], [ok]):m4_ifset([AC_PACKAGE_VERSION], [ok]), 2814 [ok:ok],, 2815 [m4_fatal([AC_INIT should be called with package and version arguments])])dnl 2816 AC_SUBST([PACKAGE], ['AC_PACKAGE_TARNAME'])dnl 2817 AC_SUBST([VERSION], ['AC_PACKAGE_VERSION'])])dnl 2818 2819_AM_IF_OPTION([no-define],, 2820[AC_DEFINE_UNQUOTED([PACKAGE], ["$PACKAGE"], [Name of package]) 2821 AC_DEFINE_UNQUOTED([VERSION], ["$VERSION"], [Version number of package])])dnl 2822 2823# Some tools Automake needs. 2824AC_REQUIRE([AM_SANITY_CHECK])dnl 2825AC_REQUIRE([AC_ARG_PROGRAM])dnl 2826AM_MISSING_PROG([ACLOCAL], [aclocal-${am__api_version}]) 2827AM_MISSING_PROG([AUTOCONF], [autoconf]) 2828AM_MISSING_PROG([AUTOMAKE], [automake-${am__api_version}]) 2829AM_MISSING_PROG([AUTOHEADER], [autoheader]) 2830AM_MISSING_PROG([MAKEINFO], [makeinfo]) 2831AC_REQUIRE([AM_PROG_INSTALL_SH])dnl 2832AC_REQUIRE([AM_PROG_INSTALL_STRIP])dnl 2833AC_REQUIRE([AC_PROG_MKDIR_P])dnl 2834# For better backward compatibility. To be removed once Automake 1.9.x 2835# dies out for good. For more background, see: 2836# <https://lists.gnu.org/archive/html/automake/2012-07/msg00001.html> 2837# <https://lists.gnu.org/archive/html/automake/2012-07/msg00014.html> 2838AC_SUBST([mkdir_p], ['$(MKDIR_P)']) 2839# We need awk for the "check" target (and possibly the TAP driver). The 2840# system "awk" is bad on some platforms. 2841AC_REQUIRE([AC_PROG_AWK])dnl 2842AC_REQUIRE([AC_PROG_MAKE_SET])dnl 2843AC_REQUIRE([AM_SET_LEADING_DOT])dnl 2844_AM_IF_OPTION([tar-ustar], [_AM_PROG_TAR([ustar])], 2845 [_AM_IF_OPTION([tar-pax], [_AM_PROG_TAR([pax])], 2846 [_AM_PROG_TAR([v7])])]) 2847_AM_IF_OPTION([no-dependencies],, 2848[AC_PROVIDE_IFELSE([AC_PROG_CC], 2849 [_AM_DEPENDENCIES([CC])], 2850 [m4_define([AC_PROG_CC], 2851 m4_defn([AC_PROG_CC])[_AM_DEPENDENCIES([CC])])])dnl 2852AC_PROVIDE_IFELSE([AC_PROG_CXX], 2853 [_AM_DEPENDENCIES([CXX])], 2854 [m4_define([AC_PROG_CXX], 2855 m4_defn([AC_PROG_CXX])[_AM_DEPENDENCIES([CXX])])])dnl 2856AC_PROVIDE_IFELSE([AC_PROG_OBJC], 2857 [_AM_DEPENDENCIES([OBJC])], 2858 [m4_define([AC_PROG_OBJC], 2859 m4_defn([AC_PROG_OBJC])[_AM_DEPENDENCIES([OBJC])])])dnl 2860AC_PROVIDE_IFELSE([AC_PROG_OBJCXX], 2861 [_AM_DEPENDENCIES([OBJCXX])], 2862 [m4_define([AC_PROG_OBJCXX], 2863 m4_defn([AC_PROG_OBJCXX])[_AM_DEPENDENCIES([OBJCXX])])])dnl 2864]) 2865# Variables for tags utilities; see am/tags.am 2866if test -z "$CTAGS"; then 2867 CTAGS=ctags 2868fi 2869AC_SUBST([CTAGS]) 2870if test -z "$ETAGS"; then 2871 ETAGS=etags 2872fi 2873AC_SUBST([ETAGS]) 2874if test -z "$CSCOPE"; then 2875 CSCOPE=cscope 2876fi 2877AC_SUBST([CSCOPE]) 2878 2879AC_REQUIRE([AM_SILENT_RULES])dnl 2880dnl The testsuite driver may need to know about EXEEXT, so add the 2881dnl 'am__EXEEXT' conditional if _AM_COMPILER_EXEEXT was seen. This 2882dnl macro is hooked onto _AC_COMPILER_EXEEXT early, see below. 2883AC_CONFIG_COMMANDS_PRE(dnl 2884[m4_provide_if([_AM_COMPILER_EXEEXT], 2885 [AM_CONDITIONAL([am__EXEEXT], [test -n "$EXEEXT"])])])dnl 2886 2887# POSIX will say in a future version that running "rm -f" with no argument 2888# is OK; and we want to be able to make that assumption in our Makefile 2889# recipes. So use an aggressive probe to check that the usage we want is 2890# actually supported "in the wild" to an acceptable degree. 2891# See automake bug#10828. 2892# To make any issue more visible, cause the running configure to be aborted 2893# by default if the 'rm' program in use doesn't match our expectations; the 2894# user can still override this though. 2895if rm -f && rm -fr && rm -rf; then : OK; else 2896 cat >&2 <<'END' 2897Oops! 2898 2899Your 'rm' program seems unable to run without file operands specified 2900on the command line, even when the '-f' option is present. This is contrary 2901to the behaviour of most rm programs out there, and not conforming with 2902the upcoming POSIX standard: <http://austingroupbugs.net/view.php?id=542> 2903 2904Please tell bug-automake@gnu.org about your system, including the value 2905of your $PATH and any error possibly output before this message. This 2906can help us improve future automake versions. 2907 2908END 2909 if test x"$ACCEPT_INFERIOR_RM_PROGRAM" = x"yes"; then 2910 echo 'Configuration will proceed anyway, since you have set the' >&2 2911 echo 'ACCEPT_INFERIOR_RM_PROGRAM variable to "yes"' >&2 2912 echo >&2 2913 else 2914 cat >&2 <<'END' 2915Aborting the configuration process, to ensure you take notice of the issue. 2916 2917You can download and install GNU coreutils to get an 'rm' implementation 2918that behaves properly: <https://www.gnu.org/software/coreutils/>. 2919 2920If you want to complete the configuration process using your problematic 2921'rm' anyway, export the environment variable ACCEPT_INFERIOR_RM_PROGRAM 2922to "yes", and re-run configure. 2923 2924END 2925 AC_MSG_ERROR([Your 'rm' program is bad, sorry.]) 2926 fi 2927fi 2928dnl The trailing newline in this macro's definition is deliberate, for 2929dnl backward compatibility and to allow trailing 'dnl'-style comments 2930dnl after the AM_INIT_AUTOMAKE invocation. See automake bug#16841. 2931]) 2932 2933dnl Hook into '_AC_COMPILER_EXEEXT' early to learn its expansion. Do not 2934dnl add the conditional right here, as _AC_COMPILER_EXEEXT may be further 2935dnl mangled by Autoconf and run in a shell conditional statement. 2936m4_define([_AC_COMPILER_EXEEXT], 2937m4_defn([_AC_COMPILER_EXEEXT])[m4_provide([_AM_COMPILER_EXEEXT])]) 2938 2939# When config.status generates a header, we must update the stamp-h file. 2940# This file resides in the same directory as the config header 2941# that is generated. The stamp files are numbered to have different names. 2942 2943# Autoconf calls _AC_AM_CONFIG_HEADER_HOOK (when defined) in the 2944# loop where config.status creates the headers, so we can generate 2945# our stamp files there. 2946AC_DEFUN([_AC_AM_CONFIG_HEADER_HOOK], 2947[# Compute $1's index in $config_headers. 2948_am_arg=$1 2949_am_stamp_count=1 2950for _am_header in $config_headers :; do 2951 case $_am_header in 2952 $_am_arg | $_am_arg:* ) 2953 break ;; 2954 * ) 2955 _am_stamp_count=`expr $_am_stamp_count + 1` ;; 2956 esac 2957done 2958echo "timestamp for $_am_arg" >`AS_DIRNAME(["$_am_arg"])`/stamp-h[]$_am_stamp_count]) 2959 2960# Copyright (C) 2001-2021 Free Software Foundation, Inc. 2961# 2962# This file is free software; the Free Software Foundation 2963# gives unlimited permission to copy and/or distribute it, 2964# with or without modifications, as long as this notice is preserved. 2965 2966# AM_PROG_INSTALL_SH 2967# ------------------ 2968# Define $install_sh. 2969AC_DEFUN([AM_PROG_INSTALL_SH], 2970[AC_REQUIRE([AM_AUX_DIR_EXPAND])dnl 2971if test x"${install_sh+set}" != xset; then 2972 case $am_aux_dir in 2973 *\ * | *\ *) 2974 install_sh="\${SHELL} '$am_aux_dir/install-sh'" ;; 2975 *) 2976 install_sh="\${SHELL} $am_aux_dir/install-sh" 2977 esac 2978fi 2979AC_SUBST([install_sh])]) 2980 2981# Copyright (C) 2003-2021 Free Software Foundation, Inc. 2982# 2983# This file is free software; the Free Software Foundation 2984# gives unlimited permission to copy and/or distribute it, 2985# with or without modifications, as long as this notice is preserved. 2986 2987# Check whether the underlying file-system supports filenames 2988# with a leading dot. For instance MS-DOS doesn't. 2989AC_DEFUN([AM_SET_LEADING_DOT], 2990[rm -rf .tst 2>/dev/null 2991mkdir .tst 2>/dev/null 2992if test -d .tst; then 2993 am__leading_dot=. 2994else 2995 am__leading_dot=_ 2996fi 2997rmdir .tst 2>/dev/null 2998AC_SUBST([am__leading_dot])]) 2999 3000# Check to see how 'make' treats includes. -*- Autoconf -*- 3001 3002# Copyright (C) 2001-2021 Free Software Foundation, Inc. 3003# 3004# This file is free software; the Free Software Foundation 3005# gives unlimited permission to copy and/or distribute it, 3006# with or without modifications, as long as this notice is preserved. 3007 3008# AM_MAKE_INCLUDE() 3009# ----------------- 3010# Check whether make has an 'include' directive that can support all 3011# the idioms we need for our automatic dependency tracking code. 3012AC_DEFUN([AM_MAKE_INCLUDE], 3013[AC_MSG_CHECKING([whether ${MAKE-make} supports the include directive]) 3014cat > confinc.mk << 'END' 3015am__doit: 3016 @echo this is the am__doit target >confinc.out 3017.PHONY: am__doit 3018END 3019am__include="#" 3020am__quote= 3021# BSD make does it like this. 3022echo '.include "confinc.mk" # ignored' > confmf.BSD 3023# Other make implementations (GNU, Solaris 10, AIX) do it like this. 3024echo 'include confinc.mk # ignored' > confmf.GNU 3025_am_result=no 3026for s in GNU BSD; do 3027 AM_RUN_LOG([${MAKE-make} -f confmf.$s && cat confinc.out]) 3028 AS_CASE([$?:`cat confinc.out 2>/dev/null`], 3029 ['0:this is the am__doit target'], 3030 [AS_CASE([$s], 3031 [BSD], [am__include='.include' am__quote='"'], 3032 [am__include='include' am__quote=''])]) 3033 if test "$am__include" != "#"; then 3034 _am_result="yes ($s style)" 3035 break 3036 fi 3037done 3038rm -f confinc.* confmf.* 3039AC_MSG_RESULT([${_am_result}]) 3040AC_SUBST([am__include])]) 3041AC_SUBST([am__quote])]) 3042 3043# Fake the existence of programs that GNU maintainers use. -*- Autoconf -*- 3044 3045# Copyright (C) 1997-2021 Free Software Foundation, Inc. 3046# 3047# This file is free software; the Free Software Foundation 3048# gives unlimited permission to copy and/or distribute it, 3049# with or without modifications, as long as this notice is preserved. 3050 3051# AM_MISSING_PROG(NAME, PROGRAM) 3052# ------------------------------ 3053AC_DEFUN([AM_MISSING_PROG], 3054[AC_REQUIRE([AM_MISSING_HAS_RUN]) 3055$1=${$1-"${am_missing_run}$2"} 3056AC_SUBST($1)]) 3057 3058# AM_MISSING_HAS_RUN 3059# ------------------ 3060# Define MISSING if not defined so far and test if it is modern enough. 3061# If it is, set am_missing_run to use it, otherwise, to nothing. 3062AC_DEFUN([AM_MISSING_HAS_RUN], 3063[AC_REQUIRE([AM_AUX_DIR_EXPAND])dnl 3064AC_REQUIRE_AUX_FILE([missing])dnl 3065if test x"${MISSING+set}" != xset; then 3066 MISSING="\${SHELL} '$am_aux_dir/missing'" 3067fi 3068# Use eval to expand $SHELL 3069if eval "$MISSING --is-lightweight"; then 3070 am_missing_run="$MISSING " 3071else 3072 am_missing_run= 3073 AC_MSG_WARN(['missing' script is too old or missing]) 3074fi 3075]) 3076 3077# Helper functions for option handling. -*- Autoconf -*- 3078 3079# Copyright (C) 2001-2021 Free Software Foundation, Inc. 3080# 3081# This file is free software; the Free Software Foundation 3082# gives unlimited permission to copy and/or distribute it, 3083# with or without modifications, as long as this notice is preserved. 3084 3085# _AM_MANGLE_OPTION(NAME) 3086# ----------------------- 3087AC_DEFUN([_AM_MANGLE_OPTION], 3088[[_AM_OPTION_]m4_bpatsubst($1, [[^a-zA-Z0-9_]], [_])]) 3089 3090# _AM_SET_OPTION(NAME) 3091# -------------------- 3092# Set option NAME. Presently that only means defining a flag for this option. 3093AC_DEFUN([_AM_SET_OPTION], 3094[m4_define(_AM_MANGLE_OPTION([$1]), [1])]) 3095 3096# _AM_SET_OPTIONS(OPTIONS) 3097# ------------------------ 3098# OPTIONS is a space-separated list of Automake options. 3099AC_DEFUN([_AM_SET_OPTIONS], 3100[m4_foreach_w([_AM_Option], [$1], [_AM_SET_OPTION(_AM_Option)])]) 3101 3102# _AM_IF_OPTION(OPTION, IF-SET, [IF-NOT-SET]) 3103# ------------------------------------------- 3104# Execute IF-SET if OPTION is set, IF-NOT-SET otherwise. 3105AC_DEFUN([_AM_IF_OPTION], 3106[m4_ifset(_AM_MANGLE_OPTION([$1]), [$2], [$3])]) 3107 3108# Copyright (C) 1999-2021 Free Software Foundation, Inc. 3109# 3110# This file is free software; the Free Software Foundation 3111# gives unlimited permission to copy and/or distribute it, 3112# with or without modifications, as long as this notice is preserved. 3113 3114# _AM_PROG_CC_C_O 3115# --------------- 3116# Like AC_PROG_CC_C_O, but changed for automake. We rewrite AC_PROG_CC 3117# to automatically call this. 3118AC_DEFUN([_AM_PROG_CC_C_O], 3119[AC_REQUIRE([AM_AUX_DIR_EXPAND])dnl 3120AC_REQUIRE_AUX_FILE([compile])dnl 3121AC_LANG_PUSH([C])dnl 3122AC_CACHE_CHECK( 3123 [whether $CC understands -c and -o together], 3124 [am_cv_prog_cc_c_o], 3125 [AC_LANG_CONFTEST([AC_LANG_PROGRAM([])]) 3126 # Make sure it works both with $CC and with simple cc. 3127 # Following AC_PROG_CC_C_O, we do the test twice because some 3128 # compilers refuse to overwrite an existing .o file with -o, 3129 # though they will create one. 3130 am_cv_prog_cc_c_o=yes 3131 for am_i in 1 2; do 3132 if AM_RUN_LOG([$CC -c conftest.$ac_ext -o conftest2.$ac_objext]) \ 3133 && test -f conftest2.$ac_objext; then 3134 : OK 3135 else 3136 am_cv_prog_cc_c_o=no 3137 break 3138 fi 3139 done 3140 rm -f core conftest* 3141 unset am_i]) 3142if test "$am_cv_prog_cc_c_o" != yes; then 3143 # Losing compiler, so override with the script. 3144 # FIXME: It is wrong to rewrite CC. 3145 # But if we don't then we get into trouble of one sort or another. 3146 # A longer-term fix would be to have automake use am__CC in this case, 3147 # and then we could set am__CC="\$(top_srcdir)/compile \$(CC)" 3148 CC="$am_aux_dir/compile $CC" 3149fi 3150AC_LANG_POP([C])]) 3151 3152# For backward compatibility. 3153AC_DEFUN_ONCE([AM_PROG_CC_C_O], [AC_REQUIRE([AC_PROG_CC])]) 3154 3155# Copyright (C) 2001-2021 Free Software Foundation, Inc. 3156# 3157# This file is free software; the Free Software Foundation 3158# gives unlimited permission to copy and/or distribute it, 3159# with or without modifications, as long as this notice is preserved. 3160 3161# AM_RUN_LOG(COMMAND) 3162# ------------------- 3163# Run COMMAND, save the exit status in ac_status, and log it. 3164# (This has been adapted from Autoconf's _AC_RUN_LOG macro.) 3165AC_DEFUN([AM_RUN_LOG], 3166[{ echo "$as_me:$LINENO: $1" >&AS_MESSAGE_LOG_FD 3167 ($1) >&AS_MESSAGE_LOG_FD 2>&AS_MESSAGE_LOG_FD 3168 ac_status=$? 3169 echo "$as_me:$LINENO: \$? = $ac_status" >&AS_MESSAGE_LOG_FD 3170 (exit $ac_status); }]) 3171 3172# Check to make sure that the build environment is sane. -*- Autoconf -*- 3173 3174# Copyright (C) 1996-2021 Free Software Foundation, Inc. 3175# 3176# This file is free software; the Free Software Foundation 3177# gives unlimited permission to copy and/or distribute it, 3178# with or without modifications, as long as this notice is preserved. 3179 3180# AM_SANITY_CHECK 3181# --------------- 3182AC_DEFUN([AM_SANITY_CHECK], 3183[AC_MSG_CHECKING([whether build environment is sane]) 3184# Reject unsafe characters in $srcdir or the absolute working directory 3185# name. Accept space and tab only in the latter. 3186am_lf=' 3187' 3188case `pwd` in 3189 *[[\\\"\#\$\&\'\`$am_lf]]*) 3190 AC_MSG_ERROR([unsafe absolute working directory name]);; 3191esac 3192case $srcdir in 3193 *[[\\\"\#\$\&\'\`$am_lf\ \ ]]*) 3194 AC_MSG_ERROR([unsafe srcdir value: '$srcdir']);; 3195esac 3196 3197# Do 'set' in a subshell so we don't clobber the current shell's 3198# arguments. Must try -L first in case configure is actually a 3199# symlink; some systems play weird games with the mod time of symlinks 3200# (eg FreeBSD returns the mod time of the symlink's containing 3201# directory). 3202if ( 3203 am_has_slept=no 3204 for am_try in 1 2; do 3205 echo "timestamp, slept: $am_has_slept" > conftest.file 3206 set X `ls -Lt "$srcdir/configure" conftest.file 2> /dev/null` 3207 if test "$[*]" = "X"; then 3208 # -L didn't work. 3209 set X `ls -t "$srcdir/configure" conftest.file` 3210 fi 3211 if test "$[*]" != "X $srcdir/configure conftest.file" \ 3212 && test "$[*]" != "X conftest.file $srcdir/configure"; then 3213 3214 # If neither matched, then we have a broken ls. This can happen 3215 # if, for instance, CONFIG_SHELL is bash and it inherits a 3216 # broken ls alias from the environment. This has actually 3217 # happened. Such a system could not be considered "sane". 3218 AC_MSG_ERROR([ls -t appears to fail. Make sure there is not a broken 3219 alias in your environment]) 3220 fi 3221 if test "$[2]" = conftest.file || test $am_try -eq 2; then 3222 break 3223 fi 3224 # Just in case. 3225 sleep 1 3226 am_has_slept=yes 3227 done 3228 test "$[2]" = conftest.file 3229 ) 3230then 3231 # Ok. 3232 : 3233else 3234 AC_MSG_ERROR([newly created file is older than distributed files! 3235Check your system clock]) 3236fi 3237AC_MSG_RESULT([yes]) 3238# If we didn't sleep, we still need to ensure time stamps of config.status and 3239# generated files are strictly newer. 3240am_sleep_pid= 3241if grep 'slept: no' conftest.file >/dev/null 2>&1; then 3242 ( sleep 1 ) & 3243 am_sleep_pid=$! 3244fi 3245AC_CONFIG_COMMANDS_PRE( 3246 [AC_MSG_CHECKING([that generated files are newer than configure]) 3247 if test -n "$am_sleep_pid"; then 3248 # Hide warnings about reused PIDs. 3249 wait $am_sleep_pid 2>/dev/null 3250 fi 3251 AC_MSG_RESULT([done])]) 3252rm -f conftest.file 3253]) 3254 3255# Copyright (C) 2009-2021 Free Software Foundation, Inc. 3256# 3257# This file is free software; the Free Software Foundation 3258# gives unlimited permission to copy and/or distribute it, 3259# with or without modifications, as long as this notice is preserved. 3260 3261# AM_SILENT_RULES([DEFAULT]) 3262# -------------------------- 3263# Enable less verbose build rules; with the default set to DEFAULT 3264# ("yes" being less verbose, "no" or empty being verbose). 3265AC_DEFUN([AM_SILENT_RULES], 3266[AC_ARG_ENABLE([silent-rules], [dnl 3267AS_HELP_STRING( 3268 [--enable-silent-rules], 3269 [less verbose build output (undo: "make V=1")]) 3270AS_HELP_STRING( 3271 [--disable-silent-rules], 3272 [verbose build output (undo: "make V=0")])dnl 3273]) 3274case $enable_silent_rules in @%:@ ((( 3275 yes) AM_DEFAULT_VERBOSITY=0;; 3276 no) AM_DEFAULT_VERBOSITY=1;; 3277 *) AM_DEFAULT_VERBOSITY=m4_if([$1], [yes], [0], [1]);; 3278esac 3279dnl 3280dnl A few 'make' implementations (e.g., NonStop OS and NextStep) 3281dnl do not support nested variable expansions. 3282dnl See automake bug#9928 and bug#10237. 3283am_make=${MAKE-make} 3284AC_CACHE_CHECK([whether $am_make supports nested variables], 3285 [am_cv_make_support_nested_variables], 3286 [if AS_ECHO([['TRUE=$(BAR$(V)) 3287BAR0=false 3288BAR1=true 3289V=1 3290am__doit: 3291 @$(TRUE) 3292.PHONY: am__doit']]) | $am_make -f - >/dev/null 2>&1; then 3293 am_cv_make_support_nested_variables=yes 3294else 3295 am_cv_make_support_nested_variables=no 3296fi]) 3297if test $am_cv_make_support_nested_variables = yes; then 3298 dnl Using '$V' instead of '$(V)' breaks IRIX make. 3299 AM_V='$(V)' 3300 AM_DEFAULT_V='$(AM_DEFAULT_VERBOSITY)' 3301else 3302 AM_V=$AM_DEFAULT_VERBOSITY 3303 AM_DEFAULT_V=$AM_DEFAULT_VERBOSITY 3304fi 3305AC_SUBST([AM_V])dnl 3306AM_SUBST_NOTMAKE([AM_V])dnl 3307AC_SUBST([AM_DEFAULT_V])dnl 3308AM_SUBST_NOTMAKE([AM_DEFAULT_V])dnl 3309AC_SUBST([AM_DEFAULT_VERBOSITY])dnl 3310AM_BACKSLASH='\' 3311AC_SUBST([AM_BACKSLASH])dnl 3312_AM_SUBST_NOTMAKE([AM_BACKSLASH])dnl 3313]) 3314 3315# Copyright (C) 2001-2021 Free Software Foundation, Inc. 3316# 3317# This file is free software; the Free Software Foundation 3318# gives unlimited permission to copy and/or distribute it, 3319# with or without modifications, as long as this notice is preserved. 3320 3321# AM_PROG_INSTALL_STRIP 3322# --------------------- 3323# One issue with vendor 'install' (even GNU) is that you can't 3324# specify the program used to strip binaries. This is especially 3325# annoying in cross-compiling environments, where the build's strip 3326# is unlikely to handle the host's binaries. 3327# Fortunately install-sh will honor a STRIPPROG variable, so we 3328# always use install-sh in "make install-strip", and initialize 3329# STRIPPROG with the value of the STRIP variable (set by the user). 3330AC_DEFUN([AM_PROG_INSTALL_STRIP], 3331[AC_REQUIRE([AM_PROG_INSTALL_SH])dnl 3332# Installed binaries are usually stripped using 'strip' when the user 3333# run "make install-strip". However 'strip' might not be the right 3334# tool to use in cross-compilation environments, therefore Automake 3335# will honor the 'STRIP' environment variable to overrule this program. 3336dnl Don't test for $cross_compiling = yes, because it might be 'maybe'. 3337if test "$cross_compiling" != no; then 3338 AC_CHECK_TOOL([STRIP], [strip], :) 3339fi 3340INSTALL_STRIP_PROGRAM="\$(install_sh) -c -s" 3341AC_SUBST([INSTALL_STRIP_PROGRAM])]) 3342 3343# Copyright (C) 2006-2021 Free Software Foundation, Inc. 3344# 3345# This file is free software; the Free Software Foundation 3346# gives unlimited permission to copy and/or distribute it, 3347# with or without modifications, as long as this notice is preserved. 3348 3349# _AM_SUBST_NOTMAKE(VARIABLE) 3350# --------------------------- 3351# Prevent Automake from outputting VARIABLE = @VARIABLE@ in Makefile.in. 3352# This macro is traced by Automake. 3353AC_DEFUN([_AM_SUBST_NOTMAKE]) 3354 3355# AM_SUBST_NOTMAKE(VARIABLE) 3356# -------------------------- 3357# Public sister of _AM_SUBST_NOTMAKE. 3358AC_DEFUN([AM_SUBST_NOTMAKE], [_AM_SUBST_NOTMAKE($@)]) 3359 3360# Check how to create a tarball. -*- Autoconf -*- 3361 3362# Copyright (C) 2004-2021 Free Software Foundation, Inc. 3363# 3364# This file is free software; the Free Software Foundation 3365# gives unlimited permission to copy and/or distribute it, 3366# with or without modifications, as long as this notice is preserved. 3367 3368# _AM_PROG_TAR(FORMAT) 3369# -------------------- 3370# Check how to create a tarball in format FORMAT. 3371# FORMAT should be one of 'v7', 'ustar', or 'pax'. 3372# 3373# Substitute a variable $(am__tar) that is a command 3374# writing to stdout a FORMAT-tarball containing the directory 3375# $tardir. 3376# tardir=directory && $(am__tar) > result.tar 3377# 3378# Substitute a variable $(am__untar) that extract such 3379# a tarball read from stdin. 3380# $(am__untar) < result.tar 3381# 3382AC_DEFUN([_AM_PROG_TAR], 3383[# Always define AMTAR for backward compatibility. Yes, it's still used 3384# in the wild :-( We should find a proper way to deprecate it ... 3385AC_SUBST([AMTAR], ['$${TAR-tar}']) 3386 3387# We'll loop over all known methods to create a tar archive until one works. 3388_am_tools='gnutar m4_if([$1], [ustar], [plaintar]) pax cpio none' 3389 3390m4_if([$1], [v7], 3391 [am__tar='$${TAR-tar} chof - "$$tardir"' am__untar='$${TAR-tar} xf -'], 3392 3393 [m4_case([$1], 3394 [ustar], 3395 [# The POSIX 1988 'ustar' format is defined with fixed-size fields. 3396 # There is notably a 21 bits limit for the UID and the GID. In fact, 3397 # the 'pax' utility can hang on bigger UID/GID (see automake bug#8343 3398 # and bug#13588). 3399 am_max_uid=2097151 # 2^21 - 1 3400 am_max_gid=$am_max_uid 3401 # The $UID and $GID variables are not portable, so we need to resort 3402 # to the POSIX-mandated id(1) utility. Errors in the 'id' calls 3403 # below are definitely unexpected, so allow the users to see them 3404 # (that is, avoid stderr redirection). 3405 am_uid=`id -u || echo unknown` 3406 am_gid=`id -g || echo unknown` 3407 AC_MSG_CHECKING([whether UID '$am_uid' is supported by ustar format]) 3408 if test $am_uid -le $am_max_uid; then 3409 AC_MSG_RESULT([yes]) 3410 else 3411 AC_MSG_RESULT([no]) 3412 _am_tools=none 3413 fi 3414 AC_MSG_CHECKING([whether GID '$am_gid' is supported by ustar format]) 3415 if test $am_gid -le $am_max_gid; then 3416 AC_MSG_RESULT([yes]) 3417 else 3418 AC_MSG_RESULT([no]) 3419 _am_tools=none 3420 fi], 3421 3422 [pax], 3423 [], 3424 3425 [m4_fatal([Unknown tar format])]) 3426 3427 AC_MSG_CHECKING([how to create a $1 tar archive]) 3428 3429 # Go ahead even if we have the value already cached. We do so because we 3430 # need to set the values for the 'am__tar' and 'am__untar' variables. 3431 _am_tools=${am_cv_prog_tar_$1-$_am_tools} 3432 3433 for _am_tool in $_am_tools; do 3434 case $_am_tool in 3435 gnutar) 3436 for _am_tar in tar gnutar gtar; do 3437 AM_RUN_LOG([$_am_tar --version]) && break 3438 done 3439 am__tar="$_am_tar --format=m4_if([$1], [pax], [posix], [$1]) -chf - "'"$$tardir"' 3440 am__tar_="$_am_tar --format=m4_if([$1], [pax], [posix], [$1]) -chf - "'"$tardir"' 3441 am__untar="$_am_tar -xf -" 3442 ;; 3443 plaintar) 3444 # Must skip GNU tar: if it does not support --format= it doesn't create 3445 # ustar tarball either. 3446 (tar --version) >/dev/null 2>&1 && continue 3447 am__tar='tar chf - "$$tardir"' 3448 am__tar_='tar chf - "$tardir"' 3449 am__untar='tar xf -' 3450 ;; 3451 pax) 3452 am__tar='pax -L -x $1 -w "$$tardir"' 3453 am__tar_='pax -L -x $1 -w "$tardir"' 3454 am__untar='pax -r' 3455 ;; 3456 cpio) 3457 am__tar='find "$$tardir" -print | cpio -o -H $1 -L' 3458 am__tar_='find "$tardir" -print | cpio -o -H $1 -L' 3459 am__untar='cpio -i -H $1 -d' 3460 ;; 3461 none) 3462 am__tar=false 3463 am__tar_=false 3464 am__untar=false 3465 ;; 3466 esac 3467 3468 # If the value was cached, stop now. We just wanted to have am__tar 3469 # and am__untar set. 3470 test -n "${am_cv_prog_tar_$1}" && break 3471 3472 # tar/untar a dummy directory, and stop if the command works. 3473 rm -rf conftest.dir 3474 mkdir conftest.dir 3475 echo GrepMe > conftest.dir/file 3476 AM_RUN_LOG([tardir=conftest.dir && eval $am__tar_ >conftest.tar]) 3477 rm -rf conftest.dir 3478 if test -s conftest.tar; then 3479 AM_RUN_LOG([$am__untar <conftest.tar]) 3480 AM_RUN_LOG([cat conftest.dir/file]) 3481 grep GrepMe conftest.dir/file >/dev/null 2>&1 && break 3482 fi 3483 done 3484 rm -rf conftest.dir 3485 3486 AC_CACHE_VAL([am_cv_prog_tar_$1], [am_cv_prog_tar_$1=$_am_tool]) 3487 AC_MSG_RESULT([$am_cv_prog_tar_$1])]) 3488 3489AC_SUBST([am__tar]) 3490AC_SUBST([am__untar]) 3491]) # _AM_PROG_TAR 3492 3493m4_include([m4/libtool.m4]) 3494m4_include([m4/ltoptions.m4]) 3495m4_include([m4/ltsugar.m4]) 3496m4_include([m4/ltversion.m4]) 3497m4_include([m4/lt~obsolete.m4]) 3498