aclocal.m4 revision f765521f
1# generated automatically by aclocal 1.13.4 -*- Autoconf -*- 2 3# Copyright (C) 1996-2013 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($@)])]) 15m4_ifndef([AC_AUTOCONF_VERSION], 16 [m4_copy([m4_PACKAGE_VERSION], [AC_AUTOCONF_VERSION])])dnl 17m4_if(m4_defn([AC_AUTOCONF_VERSION]), [2.69],, 18[m4_warning([this file was generated for autoconf 2.69. 19You have another version of autoconf. It may work, but is not guaranteed to. 20If you have problems, you may need to regenerate the build system entirely. 21To do so, use the procedure documented by the package, typically 'autoreconf'.])]) 22 23# pkg.m4 - Macros to locate and utilise pkg-config. -*- Autoconf -*- 24# serial 1 (pkg-config-0.24) 25# 26# Copyright © 2004 Scott James Remnant <scott@netsplit.com>. 27# 28# This program is free software; you can redistribute it and/or modify 29# it under the terms of the GNU General Public License as published by 30# the Free Software Foundation; either version 2 of the License, or 31# (at your option) any later version. 32# 33# This program is distributed in the hope that it will be useful, but 34# WITHOUT ANY WARRANTY; without even the implied warranty of 35# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 36# General Public License for more details. 37# 38# You should have received a copy of the GNU General Public License 39# along with this program; if not, write to the Free Software 40# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. 41# 42# As a special exception to the GNU General Public License, if you 43# distribute this file as part of a program that contains a 44# configuration script generated by Autoconf, you may include it under 45# the same distribution terms that you use for the rest of that program. 46 47# PKG_PROG_PKG_CONFIG([MIN-VERSION]) 48# ---------------------------------- 49AC_DEFUN([PKG_PROG_PKG_CONFIG], 50[m4_pattern_forbid([^_?PKG_[A-Z_]+$]) 51m4_pattern_allow([^PKG_CONFIG(_(PATH|LIBDIR|SYSROOT_DIR|ALLOW_SYSTEM_(CFLAGS|LIBS)))?$]) 52m4_pattern_allow([^PKG_CONFIG_(DISABLE_UNINSTALLED|TOP_BUILD_DIR|DEBUG_SPEW)$]) 53AC_ARG_VAR([PKG_CONFIG], [path to pkg-config utility]) 54AC_ARG_VAR([PKG_CONFIG_PATH], [directories to add to pkg-config's search path]) 55AC_ARG_VAR([PKG_CONFIG_LIBDIR], [path overriding pkg-config's built-in search path]) 56 57if test "x$ac_cv_env_PKG_CONFIG_set" != "xset"; then 58 AC_PATH_TOOL([PKG_CONFIG], [pkg-config]) 59fi 60if test -n "$PKG_CONFIG"; then 61 _pkg_min_version=m4_default([$1], [0.9.0]) 62 AC_MSG_CHECKING([pkg-config is at least version $_pkg_min_version]) 63 if $PKG_CONFIG --atleast-pkgconfig-version $_pkg_min_version; then 64 AC_MSG_RESULT([yes]) 65 else 66 AC_MSG_RESULT([no]) 67 PKG_CONFIG="" 68 fi 69fi[]dnl 70])# PKG_PROG_PKG_CONFIG 71 72# PKG_CHECK_EXISTS(MODULES, [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND]) 73# 74# Check to see whether a particular set of modules exists. Similar 75# to PKG_CHECK_MODULES(), but does not set variables or print errors. 76# 77# Please remember that m4 expands AC_REQUIRE([PKG_PROG_PKG_CONFIG]) 78# only at the first occurence in configure.ac, so if the first place 79# it's called might be skipped (such as if it is within an "if", you 80# have to call PKG_CHECK_EXISTS manually 81# -------------------------------------------------------------- 82AC_DEFUN([PKG_CHECK_EXISTS], 83[AC_REQUIRE([PKG_PROG_PKG_CONFIG])dnl 84if test -n "$PKG_CONFIG" && \ 85 AC_RUN_LOG([$PKG_CONFIG --exists --print-errors "$1"]); then 86 m4_default([$2], [:]) 87m4_ifvaln([$3], [else 88 $3])dnl 89fi]) 90 91# _PKG_CONFIG([VARIABLE], [COMMAND], [MODULES]) 92# --------------------------------------------- 93m4_define([_PKG_CONFIG], 94[if test -n "$$1"; then 95 pkg_cv_[]$1="$$1" 96 elif test -n "$PKG_CONFIG"; then 97 PKG_CHECK_EXISTS([$3], 98 [pkg_cv_[]$1=`$PKG_CONFIG --[]$2 "$3" 2>/dev/null` 99 test "x$?" != "x0" && pkg_failed=yes ], 100 [pkg_failed=yes]) 101 else 102 pkg_failed=untried 103fi[]dnl 104])# _PKG_CONFIG 105 106# _PKG_SHORT_ERRORS_SUPPORTED 107# ----------------------------- 108AC_DEFUN([_PKG_SHORT_ERRORS_SUPPORTED], 109[AC_REQUIRE([PKG_PROG_PKG_CONFIG]) 110if $PKG_CONFIG --atleast-pkgconfig-version 0.20; then 111 _pkg_short_errors_supported=yes 112else 113 _pkg_short_errors_supported=no 114fi[]dnl 115])# _PKG_SHORT_ERRORS_SUPPORTED 116 117 118# PKG_CHECK_MODULES(VARIABLE-PREFIX, MODULES, [ACTION-IF-FOUND], 119# [ACTION-IF-NOT-FOUND]) 120# 121# 122# Note that if there is a possibility the first call to 123# PKG_CHECK_MODULES might not happen, you should be sure to include an 124# explicit call to PKG_PROG_PKG_CONFIG in your configure.ac 125# 126# 127# -------------------------------------------------------------- 128AC_DEFUN([PKG_CHECK_MODULES], 129[AC_REQUIRE([PKG_PROG_PKG_CONFIG])dnl 130AC_ARG_VAR([$1][_CFLAGS], [C compiler flags for $1, overriding pkg-config])dnl 131AC_ARG_VAR([$1][_LIBS], [linker flags for $1, overriding pkg-config])dnl 132 133pkg_failed=no 134AC_MSG_CHECKING([for $1]) 135 136_PKG_CONFIG([$1][_CFLAGS], [cflags], [$2]) 137_PKG_CONFIG([$1][_LIBS], [libs], [$2]) 138 139m4_define([_PKG_TEXT], [Alternatively, you may set the environment variables $1[]_CFLAGS 140and $1[]_LIBS to avoid the need to call pkg-config. 141See the pkg-config man page for more details.]) 142 143if test $pkg_failed = yes; then 144 AC_MSG_RESULT([no]) 145 _PKG_SHORT_ERRORS_SUPPORTED 146 if test $_pkg_short_errors_supported = yes; then 147 $1[]_PKG_ERRORS=`$PKG_CONFIG --short-errors --print-errors --cflags --libs "$2" 2>&1` 148 else 149 $1[]_PKG_ERRORS=`$PKG_CONFIG --print-errors --cflags --libs "$2" 2>&1` 150 fi 151 # Put the nasty error message in config.log where it belongs 152 echo "$$1[]_PKG_ERRORS" >&AS_MESSAGE_LOG_FD 153 154 m4_default([$4], [AC_MSG_ERROR( 155[Package requirements ($2) were not met: 156 157$$1_PKG_ERRORS 158 159Consider adjusting the PKG_CONFIG_PATH environment variable if you 160installed software in a non-standard prefix. 161 162_PKG_TEXT])[]dnl 163 ]) 164elif test $pkg_failed = untried; then 165 AC_MSG_RESULT([no]) 166 m4_default([$4], [AC_MSG_FAILURE( 167[The pkg-config script could not be found or is too old. Make sure it 168is in your PATH or set the PKG_CONFIG environment variable to the full 169path to pkg-config. 170 171_PKG_TEXT 172 173To get pkg-config, see <http://pkg-config.freedesktop.org/>.])[]dnl 174 ]) 175else 176 $1[]_CFLAGS=$pkg_cv_[]$1[]_CFLAGS 177 $1[]_LIBS=$pkg_cv_[]$1[]_LIBS 178 AC_MSG_RESULT([yes]) 179 $3 180fi[]dnl 181])# PKG_CHECK_MODULES 182 183 184# PKG_INSTALLDIR(DIRECTORY) 185# ------------------------- 186# Substitutes the variable pkgconfigdir as the location where a module 187# should install pkg-config .pc files. By default the directory is 188# $libdir/pkgconfig, but the default can be changed by passing 189# DIRECTORY. The user can override through the --with-pkgconfigdir 190# parameter. 191AC_DEFUN([PKG_INSTALLDIR], 192[m4_pushdef([pkg_default], [m4_default([$1], ['${libdir}/pkgconfig'])]) 193m4_pushdef([pkg_description], 194 [pkg-config installation directory @<:@]pkg_default[@:>@]) 195AC_ARG_WITH([pkgconfigdir], 196 [AS_HELP_STRING([--with-pkgconfigdir], pkg_description)],, 197 [with_pkgconfigdir=]pkg_default) 198AC_SUBST([pkgconfigdir], [$with_pkgconfigdir]) 199m4_popdef([pkg_default]) 200m4_popdef([pkg_description]) 201]) dnl PKG_INSTALLDIR 202 203 204# PKG_NOARCH_INSTALLDIR(DIRECTORY) 205# ------------------------- 206# Substitutes the variable noarch_pkgconfigdir as the location where a 207# module should install arch-independent pkg-config .pc files. By 208# default the directory is $datadir/pkgconfig, but the default can be 209# changed by passing DIRECTORY. The user can override through the 210# --with-noarch-pkgconfigdir parameter. 211AC_DEFUN([PKG_NOARCH_INSTALLDIR], 212[m4_pushdef([pkg_default], [m4_default([$1], ['${datadir}/pkgconfig'])]) 213m4_pushdef([pkg_description], 214 [pkg-config arch-independent installation directory @<:@]pkg_default[@:>@]) 215AC_ARG_WITH([noarch-pkgconfigdir], 216 [AS_HELP_STRING([--with-noarch-pkgconfigdir], pkg_description)],, 217 [with_noarch_pkgconfigdir=]pkg_default) 218AC_SUBST([noarch_pkgconfigdir], [$with_noarch_pkgconfigdir]) 219m4_popdef([pkg_default]) 220m4_popdef([pkg_description]) 221]) dnl PKG_NOARCH_INSTALLDIR 222 223 224# PKG_CHECK_VAR(VARIABLE, MODULE, CONFIG-VARIABLE, 225# [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND]) 226# ------------------------------------------- 227# Retrieves the value of the pkg-config variable for the given module. 228AC_DEFUN([PKG_CHECK_VAR], 229[AC_REQUIRE([PKG_PROG_PKG_CONFIG])dnl 230AC_ARG_VAR([$1], [value of $3 for $2, overriding pkg-config])dnl 231 232_PKG_CONFIG([$1], [variable="][$3]["], [$2]) 233AS_VAR_COPY([$1], [pkg_cv_][$1]) 234 235AS_VAR_IF([$1], [""], [$5], [$4])dnl 236])# PKG_CHECK_VAR 237 238dnl xorg-macros.m4. Generated from xorg-macros.m4.in xorgversion.m4 by configure. 239dnl 240dnl Copyright (c) 2005, 2006, Oracle and/or its affiliates. All rights reserved. 241dnl 242dnl Permission is hereby granted, free of charge, to any person obtaining a 243dnl copy of this software and associated documentation files (the "Software"), 244dnl to deal in the Software without restriction, including without limitation 245dnl the rights to use, copy, modify, merge, publish, distribute, sublicense, 246dnl and/or sell copies of the Software, and to permit persons to whom the 247dnl Software is furnished to do so, subject to the following conditions: 248dnl 249dnl The above copyright notice and this permission notice (including the next 250dnl paragraph) shall be included in all copies or substantial portions of the 251dnl Software. 252dnl 253dnl THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 254dnl IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 255dnl FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 256dnl THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 257dnl LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING 258dnl FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER 259dnl DEALINGS IN THE SOFTWARE. 260 261# XORG_MACROS_VERSION(required-version) 262# ------------------------------------- 263# Minimum version: 1.1.0 264# 265# If you're using a macro added in Version 1.1 or newer, include this in 266# your configure.ac with the minimum required version, such as: 267# XORG_MACROS_VERSION(1.1) 268# 269# To ensure that this macro is defined, also add: 270# m4_ifndef([XORG_MACROS_VERSION], 271# [m4_fatal([must install xorg-macros 1.1 or later before running autoconf/autogen])]) 272# 273# 274# See the "minimum version" comment for each macro you use to see what 275# version you require. 276m4_defun([XORG_MACROS_VERSION],[ 277m4_define([vers_have], [1.19.0]) 278m4_define([maj_have], m4_substr(vers_have, 0, m4_index(vers_have, [.]))) 279m4_define([maj_needed], m4_substr([$1], 0, m4_index([$1], [.]))) 280m4_if(m4_cmp(maj_have, maj_needed), 0,, 281 [m4_fatal([xorg-macros major version ]maj_needed[ is required but ]vers_have[ found])]) 282m4_if(m4_version_compare(vers_have, [$1]), -1, 283 [m4_fatal([xorg-macros version $1 or higher is required but ]vers_have[ found])]) 284m4_undefine([vers_have]) 285m4_undefine([maj_have]) 286m4_undefine([maj_needed]) 287]) # XORG_MACROS_VERSION 288 289# XORG_PROG_RAWCPP() 290# ------------------ 291# Minimum version: 1.0.0 292# 293# Find cpp program and necessary flags for use in pre-processing text files 294# such as man pages and config files 295AC_DEFUN([XORG_PROG_RAWCPP],[ 296AC_REQUIRE([AC_PROG_CPP]) 297AC_PATH_PROGS(RAWCPP, [cpp], [${CPP}], 298 [$PATH:/bin:/usr/bin:/usr/lib:/usr/libexec:/usr/ccs/lib:/usr/ccs/lbin:/lib]) 299 300# Check for flag to avoid builtin definitions - assumes unix is predefined, 301# which is not the best choice for supporting other OS'es, but covers most 302# of the ones we need for now. 303AC_MSG_CHECKING([if $RAWCPP requires -undef]) 304AC_LANG_CONFTEST([AC_LANG_SOURCE([[Does cpp redefine unix ?]])]) 305if test `${RAWCPP} < conftest.$ac_ext | grep -c 'unix'` -eq 1 ; then 306 AC_MSG_RESULT([no]) 307else 308 if test `${RAWCPP} -undef < conftest.$ac_ext | grep -c 'unix'` -eq 1 ; then 309 RAWCPPFLAGS=-undef 310 AC_MSG_RESULT([yes]) 311 # under Cygwin unix is still defined even with -undef 312 elif test `${RAWCPP} -undef -ansi < conftest.$ac_ext | grep -c 'unix'` -eq 1 ; then 313 RAWCPPFLAGS="-undef -ansi" 314 AC_MSG_RESULT([yes, with -ansi]) 315 else 316 AC_MSG_ERROR([${RAWCPP} defines unix with or without -undef. I don't know what to do.]) 317 fi 318fi 319rm -f conftest.$ac_ext 320 321AC_MSG_CHECKING([if $RAWCPP requires -traditional]) 322AC_LANG_CONFTEST([AC_LANG_SOURCE([[Does cpp preserve "whitespace"?]])]) 323if test `${RAWCPP} < conftest.$ac_ext | grep -c 'preserve \"'` -eq 1 ; then 324 AC_MSG_RESULT([no]) 325else 326 if test `${RAWCPP} -traditional < conftest.$ac_ext | grep -c 'preserve \"'` -eq 1 ; then 327 TRADITIONALCPPFLAGS="-traditional" 328 RAWCPPFLAGS="${RAWCPPFLAGS} -traditional" 329 AC_MSG_RESULT([yes]) 330 else 331 AC_MSG_ERROR([${RAWCPP} does not preserve whitespace with or without -traditional. I don't know what to do.]) 332 fi 333fi 334rm -f conftest.$ac_ext 335AC_SUBST(RAWCPPFLAGS) 336AC_SUBST(TRADITIONALCPPFLAGS) 337]) # XORG_PROG_RAWCPP 338 339# XORG_MANPAGE_SECTIONS() 340# ----------------------- 341# Minimum version: 1.0.0 342# 343# Determine which sections man pages go in for the different man page types 344# on this OS - replaces *ManSuffix settings in old Imake *.cf per-os files. 345# Not sure if there's any better way than just hardcoding by OS name. 346# Override default settings by setting environment variables 347# Added MAN_SUBSTS in version 1.8 348# Added AC_PROG_SED in version 1.8 349 350AC_DEFUN([XORG_MANPAGE_SECTIONS],[ 351AC_REQUIRE([AC_CANONICAL_HOST]) 352AC_REQUIRE([AC_PROG_SED]) 353 354if test x$APP_MAN_SUFFIX = x ; then 355 APP_MAN_SUFFIX=1 356fi 357if test x$APP_MAN_DIR = x ; then 358 APP_MAN_DIR='$(mandir)/man$(APP_MAN_SUFFIX)' 359fi 360 361if test x$LIB_MAN_SUFFIX = x ; then 362 LIB_MAN_SUFFIX=3 363fi 364if test x$LIB_MAN_DIR = x ; then 365 LIB_MAN_DIR='$(mandir)/man$(LIB_MAN_SUFFIX)' 366fi 367 368if test x$FILE_MAN_SUFFIX = x ; then 369 case $host_os in 370 solaris*) FILE_MAN_SUFFIX=4 ;; 371 *) FILE_MAN_SUFFIX=5 ;; 372 esac 373fi 374if test x$FILE_MAN_DIR = x ; then 375 FILE_MAN_DIR='$(mandir)/man$(FILE_MAN_SUFFIX)' 376fi 377 378if test x$MISC_MAN_SUFFIX = x ; then 379 case $host_os in 380 solaris*) MISC_MAN_SUFFIX=5 ;; 381 *) MISC_MAN_SUFFIX=7 ;; 382 esac 383fi 384if test x$MISC_MAN_DIR = x ; then 385 MISC_MAN_DIR='$(mandir)/man$(MISC_MAN_SUFFIX)' 386fi 387 388if test x$DRIVER_MAN_SUFFIX = x ; then 389 case $host_os in 390 solaris*) DRIVER_MAN_SUFFIX=7 ;; 391 *) DRIVER_MAN_SUFFIX=4 ;; 392 esac 393fi 394if test x$DRIVER_MAN_DIR = x ; then 395 DRIVER_MAN_DIR='$(mandir)/man$(DRIVER_MAN_SUFFIX)' 396fi 397 398if test x$ADMIN_MAN_SUFFIX = x ; then 399 case $host_os in 400 solaris*) ADMIN_MAN_SUFFIX=1m ;; 401 *) ADMIN_MAN_SUFFIX=8 ;; 402 esac 403fi 404if test x$ADMIN_MAN_DIR = x ; then 405 ADMIN_MAN_DIR='$(mandir)/man$(ADMIN_MAN_SUFFIX)' 406fi 407 408 409AC_SUBST([APP_MAN_SUFFIX]) 410AC_SUBST([LIB_MAN_SUFFIX]) 411AC_SUBST([FILE_MAN_SUFFIX]) 412AC_SUBST([MISC_MAN_SUFFIX]) 413AC_SUBST([DRIVER_MAN_SUFFIX]) 414AC_SUBST([ADMIN_MAN_SUFFIX]) 415AC_SUBST([APP_MAN_DIR]) 416AC_SUBST([LIB_MAN_DIR]) 417AC_SUBST([FILE_MAN_DIR]) 418AC_SUBST([MISC_MAN_DIR]) 419AC_SUBST([DRIVER_MAN_DIR]) 420AC_SUBST([ADMIN_MAN_DIR]) 421 422XORG_MAN_PAGE="X Version 11" 423AC_SUBST([XORG_MAN_PAGE]) 424MAN_SUBSTS="\ 425 -e 's|__vendorversion__|\"\$(PACKAGE_STRING)\" \"\$(XORG_MAN_PAGE)\"|' \ 426 -e 's|__xorgversion__|\"\$(PACKAGE_STRING)\" \"\$(XORG_MAN_PAGE)\"|' \ 427 -e 's|__xservername__|Xorg|g' \ 428 -e 's|__xconfigfile__|xorg.conf|g' \ 429 -e 's|__projectroot__|\$(prefix)|g' \ 430 -e 's|__apploaddir__|\$(appdefaultdir)|g' \ 431 -e 's|__appmansuffix__|\$(APP_MAN_SUFFIX)|g' \ 432 -e 's|__drivermansuffix__|\$(DRIVER_MAN_SUFFIX)|g' \ 433 -e 's|__adminmansuffix__|\$(ADMIN_MAN_SUFFIX)|g' \ 434 -e 's|__libmansuffix__|\$(LIB_MAN_SUFFIX)|g' \ 435 -e 's|__miscmansuffix__|\$(MISC_MAN_SUFFIX)|g' \ 436 -e 's|__filemansuffix__|\$(FILE_MAN_SUFFIX)|g'" 437AC_SUBST([MAN_SUBSTS]) 438 439]) # XORG_MANPAGE_SECTIONS 440 441# XORG_CHECK_SGML_DOCTOOLS([MIN-VERSION]) 442# ------------------------ 443# Minimum version: 1.7.0 444# 445# Defines the variable XORG_SGML_PATH containing the location of X11/defs.ent 446# provided by xorg-sgml-doctools, if installed. 447AC_DEFUN([XORG_CHECK_SGML_DOCTOOLS],[ 448AC_MSG_CHECKING([for X.Org SGML entities m4_ifval([$1],[>= $1])]) 449XORG_SGML_PATH= 450PKG_CHECK_EXISTS([xorg-sgml-doctools m4_ifval([$1],[>= $1])], 451 [XORG_SGML_PATH=`$PKG_CONFIG --variable=sgmlrootdir xorg-sgml-doctools`], 452 [m4_ifval([$1],[:], 453 [if test x"$cross_compiling" != x"yes" ; then 454 AC_CHECK_FILE([$prefix/share/sgml/X11/defs.ent], 455 [XORG_SGML_PATH=$prefix/share/sgml]) 456 fi]) 457 ]) 458 459# Define variables STYLESHEET_SRCDIR and XSL_STYLESHEET containing 460# the path and the name of the doc stylesheet 461if test "x$XORG_SGML_PATH" != "x" ; then 462 AC_MSG_RESULT([$XORG_SGML_PATH]) 463 STYLESHEET_SRCDIR=$XORG_SGML_PATH/X11 464 XSL_STYLESHEET=$STYLESHEET_SRCDIR/xorg.xsl 465else 466 AC_MSG_RESULT([no]) 467fi 468 469AC_SUBST(XORG_SGML_PATH) 470AC_SUBST(STYLESHEET_SRCDIR) 471AC_SUBST(XSL_STYLESHEET) 472AM_CONDITIONAL([HAVE_STYLESHEETS], [test "x$XSL_STYLESHEET" != "x"]) 473]) # XORG_CHECK_SGML_DOCTOOLS 474 475# XORG_CHECK_LINUXDOC 476# ------------------- 477# Minimum version: 1.0.0 478# 479# Defines the variable MAKE_TEXT if the necessary tools and 480# files are found. $(MAKE_TEXT) blah.sgml will then produce blah.txt. 481# Whether or not the necessary tools and files are found can be checked 482# with the AM_CONDITIONAL "BUILD_LINUXDOC" 483AC_DEFUN([XORG_CHECK_LINUXDOC],[ 484AC_REQUIRE([XORG_CHECK_SGML_DOCTOOLS]) 485AC_REQUIRE([XORG_WITH_PS2PDF]) 486 487AC_PATH_PROG(LINUXDOC, linuxdoc) 488 489AC_MSG_CHECKING([whether to build documentation]) 490 491if test x$XORG_SGML_PATH != x && test x$LINUXDOC != x ; then 492 BUILDDOC=yes 493else 494 BUILDDOC=no 495fi 496 497AM_CONDITIONAL(BUILD_LINUXDOC, [test x$BUILDDOC = xyes]) 498 499AC_MSG_RESULT([$BUILDDOC]) 500 501AC_MSG_CHECKING([whether to build pdf documentation]) 502 503if test x$have_ps2pdf != xno && test x$BUILD_PDFDOC != xno; then 504 BUILDPDFDOC=yes 505else 506 BUILDPDFDOC=no 507fi 508 509AM_CONDITIONAL(BUILD_PDFDOC, [test x$BUILDPDFDOC = xyes]) 510 511AC_MSG_RESULT([$BUILDPDFDOC]) 512 513MAKE_TEXT="SGML_SEARCH_PATH=$XORG_SGML_PATH GROFF_NO_SGR=y $LINUXDOC -B txt -f" 514MAKE_PS="SGML_SEARCH_PATH=$XORG_SGML_PATH $LINUXDOC -B latex --papersize=letter --output=ps" 515MAKE_PDF="$PS2PDF" 516MAKE_HTML="SGML_SEARCH_PATH=$XORG_SGML_PATH $LINUXDOC -B html --split=0" 517 518AC_SUBST(MAKE_TEXT) 519AC_SUBST(MAKE_PS) 520AC_SUBST(MAKE_PDF) 521AC_SUBST(MAKE_HTML) 522]) # XORG_CHECK_LINUXDOC 523 524# XORG_CHECK_DOCBOOK 525# ------------------- 526# Minimum version: 1.0.0 527# 528# Checks for the ability to build output formats from SGML DocBook source. 529# For XXX in {TXT, PDF, PS, HTML}, the AM_CONDITIONAL "BUILD_XXXDOC" 530# indicates whether the necessary tools and files are found and, if set, 531# $(MAKE_XXX) blah.sgml will produce blah.xxx. 532AC_DEFUN([XORG_CHECK_DOCBOOK],[ 533AC_REQUIRE([XORG_CHECK_SGML_DOCTOOLS]) 534 535BUILDTXTDOC=no 536BUILDPDFDOC=no 537BUILDPSDOC=no 538BUILDHTMLDOC=no 539 540AC_PATH_PROG(DOCBOOKPS, docbook2ps) 541AC_PATH_PROG(DOCBOOKPDF, docbook2pdf) 542AC_PATH_PROG(DOCBOOKHTML, docbook2html) 543AC_PATH_PROG(DOCBOOKTXT, docbook2txt) 544 545AC_MSG_CHECKING([whether to build text documentation]) 546if test x$XORG_SGML_PATH != x && test x$DOCBOOKTXT != x && 547 test x$BUILD_TXTDOC != xno; then 548 BUILDTXTDOC=yes 549fi 550AM_CONDITIONAL(BUILD_TXTDOC, [test x$BUILDTXTDOC = xyes]) 551AC_MSG_RESULT([$BUILDTXTDOC]) 552 553AC_MSG_CHECKING([whether to build PDF documentation]) 554if test x$XORG_SGML_PATH != x && test x$DOCBOOKPDF != x && 555 test x$BUILD_PDFDOC != xno; then 556 BUILDPDFDOC=yes 557fi 558AM_CONDITIONAL(BUILD_PDFDOC, [test x$BUILDPDFDOC = xyes]) 559AC_MSG_RESULT([$BUILDPDFDOC]) 560 561AC_MSG_CHECKING([whether to build PostScript documentation]) 562if test x$XORG_SGML_PATH != x && test x$DOCBOOKPS != x && 563 test x$BUILD_PSDOC != xno; then 564 BUILDPSDOC=yes 565fi 566AM_CONDITIONAL(BUILD_PSDOC, [test x$BUILDPSDOC = xyes]) 567AC_MSG_RESULT([$BUILDPSDOC]) 568 569AC_MSG_CHECKING([whether to build HTML documentation]) 570if test x$XORG_SGML_PATH != x && test x$DOCBOOKHTML != x && 571 test x$BUILD_HTMLDOC != xno; then 572 BUILDHTMLDOC=yes 573fi 574AM_CONDITIONAL(BUILD_HTMLDOC, [test x$BUILDHTMLDOC = xyes]) 575AC_MSG_RESULT([$BUILDHTMLDOC]) 576 577MAKE_TEXT="SGML_SEARCH_PATH=$XORG_SGML_PATH $DOCBOOKTXT" 578MAKE_PS="SGML_SEARCH_PATH=$XORG_SGML_PATH $DOCBOOKPS" 579MAKE_PDF="SGML_SEARCH_PATH=$XORG_SGML_PATH $DOCBOOKPDF" 580MAKE_HTML="SGML_SEARCH_PATH=$XORG_SGML_PATH $DOCBOOKHTML" 581 582AC_SUBST(MAKE_TEXT) 583AC_SUBST(MAKE_PS) 584AC_SUBST(MAKE_PDF) 585AC_SUBST(MAKE_HTML) 586]) # XORG_CHECK_DOCBOOK 587 588# XORG_WITH_XMLTO([MIN-VERSION], [DEFAULT]) 589# ---------------- 590# Minimum version: 1.5.0 591# Minimum version for optional DEFAULT argument: 1.11.0 592# 593# Documentation tools are not always available on all platforms and sometimes 594# not at the appropriate level. This macro enables a module to test for the 595# presence of the tool and obtain it's path in separate variables. Coupled with 596# the --with-xmlto option, it allows maximum flexibilty in making decisions 597# as whether or not to use the xmlto package. When DEFAULT is not specified, 598# --with-xmlto assumes 'auto'. 599# 600# Interface to module: 601# HAVE_XMLTO: used in makefiles to conditionally generate documentation 602# XMLTO: returns the path of the xmlto program found 603# returns the path set by the user in the environment 604# --with-xmlto: 'yes' user instructs the module to use xmlto 605# 'no' user instructs the module not to use xmlto 606# 607# Added in version 1.10.0 608# HAVE_XMLTO_TEXT: used in makefiles to conditionally generate text documentation 609# xmlto for text output requires either lynx, links, or w3m browsers 610# 611# If the user sets the value of XMLTO, AC_PATH_PROG skips testing the path. 612# 613AC_DEFUN([XORG_WITH_XMLTO],[ 614AC_ARG_VAR([XMLTO], [Path to xmlto command]) 615m4_define([_defopt], m4_default([$2], [auto])) 616AC_ARG_WITH(xmlto, 617 AS_HELP_STRING([--with-xmlto], 618 [Use xmlto to regenerate documentation (default: ]_defopt[)]), 619 [use_xmlto=$withval], [use_xmlto=]_defopt) 620m4_undefine([_defopt]) 621 622if test "x$use_xmlto" = x"auto"; then 623 AC_PATH_PROG([XMLTO], [xmlto]) 624 if test "x$XMLTO" = "x"; then 625 AC_MSG_WARN([xmlto not found - documentation targets will be skipped]) 626 have_xmlto=no 627 else 628 have_xmlto=yes 629 fi 630elif test "x$use_xmlto" = x"yes" ; then 631 AC_PATH_PROG([XMLTO], [xmlto]) 632 if test "x$XMLTO" = "x"; then 633 AC_MSG_ERROR([--with-xmlto=yes specified but xmlto not found in PATH]) 634 fi 635 have_xmlto=yes 636elif test "x$use_xmlto" = x"no" ; then 637 if test "x$XMLTO" != "x"; then 638 AC_MSG_WARN([ignoring XMLTO environment variable since --with-xmlto=no was specified]) 639 fi 640 have_xmlto=no 641else 642 AC_MSG_ERROR([--with-xmlto expects 'yes' or 'no']) 643fi 644 645# Test for a minimum version of xmlto, if provided. 646m4_ifval([$1], 647[if test "$have_xmlto" = yes; then 648 # scrape the xmlto version 649 AC_MSG_CHECKING([the xmlto version]) 650 xmlto_version=`$XMLTO --version 2>/dev/null | cut -d' ' -f3` 651 AC_MSG_RESULT([$xmlto_version]) 652 AS_VERSION_COMPARE([$xmlto_version], [$1], 653 [if test "x$use_xmlto" = xauto; then 654 AC_MSG_WARN([xmlto version $xmlto_version found, but $1 needed]) 655 have_xmlto=no 656 else 657 AC_MSG_ERROR([xmlto version $xmlto_version found, but $1 needed]) 658 fi]) 659fi]) 660 661# Test for the ability of xmlto to generate a text target 662have_xmlto_text=no 663cat > conftest.xml << "EOF" 664EOF 665AS_IF([test "$have_xmlto" = yes], 666 [AS_IF([$XMLTO --skip-validation txt conftest.xml >/dev/null 2>&1], 667 [have_xmlto_text=yes], 668 [AC_MSG_WARN([xmlto cannot generate text format, this format skipped])])]) 669rm -f conftest.xml 670AM_CONDITIONAL([HAVE_XMLTO_TEXT], [test $have_xmlto_text = yes]) 671AM_CONDITIONAL([HAVE_XMLTO], [test "$have_xmlto" = yes]) 672]) # XORG_WITH_XMLTO 673 674# XORG_WITH_XSLTPROC([MIN-VERSION], [DEFAULT]) 675# -------------------------------------------- 676# Minimum version: 1.12.0 677# Minimum version for optional DEFAULT argument: 1.12.0 678# 679# XSLT (Extensible Stylesheet Language Transformations) is a declarative, 680# XML-based language used for the transformation of XML documents. 681# The xsltproc command line tool is for applying XSLT stylesheets to XML documents. 682# It is used under the cover by xmlto to generate html files from DocBook/XML. 683# The XSLT processor is often used as a standalone tool for transformations. 684# It should not be assumed that this tool is used only to work with documnetation. 685# When DEFAULT is not specified, --with-xsltproc assumes 'auto'. 686# 687# Interface to module: 688# HAVE_XSLTPROC: used in makefiles to conditionally generate documentation 689# XSLTPROC: returns the path of the xsltproc program found 690# returns the path set by the user in the environment 691# --with-xsltproc: 'yes' user instructs the module to use xsltproc 692# 'no' user instructs the module not to use xsltproc 693# have_xsltproc: returns yes if xsltproc found in PATH or no 694# 695# If the user sets the value of XSLTPROC, AC_PATH_PROG skips testing the path. 696# 697AC_DEFUN([XORG_WITH_XSLTPROC],[ 698AC_ARG_VAR([XSLTPROC], [Path to xsltproc command]) 699# Preserves the interface, should it be implemented later 700m4_ifval([$1], [m4_warn([syntax], [Checking for xsltproc MIN-VERSION is not implemented])]) 701m4_define([_defopt], m4_default([$2], [auto])) 702AC_ARG_WITH(xsltproc, 703 AS_HELP_STRING([--with-xsltproc], 704 [Use xsltproc for the transformation of XML documents (default: ]_defopt[)]), 705 [use_xsltproc=$withval], [use_xsltproc=]_defopt) 706m4_undefine([_defopt]) 707 708if test "x$use_xsltproc" = x"auto"; then 709 AC_PATH_PROG([XSLTPROC], [xsltproc]) 710 if test "x$XSLTPROC" = "x"; then 711 AC_MSG_WARN([xsltproc not found - cannot transform XML documents]) 712 have_xsltproc=no 713 else 714 have_xsltproc=yes 715 fi 716elif test "x$use_xsltproc" = x"yes" ; then 717 AC_PATH_PROG([XSLTPROC], [xsltproc]) 718 if test "x$XSLTPROC" = "x"; then 719 AC_MSG_ERROR([--with-xsltproc=yes specified but xsltproc not found in PATH]) 720 fi 721 have_xsltproc=yes 722elif test "x$use_xsltproc" = x"no" ; then 723 if test "x$XSLTPROC" != "x"; then 724 AC_MSG_WARN([ignoring XSLTPROC environment variable since --with-xsltproc=no was specified]) 725 fi 726 have_xsltproc=no 727else 728 AC_MSG_ERROR([--with-xsltproc expects 'yes' or 'no']) 729fi 730 731AM_CONDITIONAL([HAVE_XSLTPROC], [test "$have_xsltproc" = yes]) 732]) # XORG_WITH_XSLTPROC 733 734# XORG_WITH_PERL([MIN-VERSION], [DEFAULT]) 735# ---------------------------------------- 736# Minimum version: 1.15.0 737# 738# PERL (Practical Extraction and Report Language) is a language optimized for 739# scanning arbitrary text files, extracting information from those text files, 740# and printing reports based on that information. 741# 742# When DEFAULT is not specified, --with-perl assumes 'auto'. 743# 744# Interface to module: 745# HAVE_PERL: used in makefiles to conditionally scan text files 746# PERL: returns the path of the perl program found 747# returns the path set by the user in the environment 748# --with-perl: 'yes' user instructs the module to use perl 749# 'no' user instructs the module not to use perl 750# have_perl: returns yes if perl found in PATH or no 751# 752# If the user sets the value of PERL, AC_PATH_PROG skips testing the path. 753# 754AC_DEFUN([XORG_WITH_PERL],[ 755AC_ARG_VAR([PERL], [Path to perl command]) 756# Preserves the interface, should it be implemented later 757m4_ifval([$1], [m4_warn([syntax], [Checking for perl MIN-VERSION is not implemented])]) 758m4_define([_defopt], m4_default([$2], [auto])) 759AC_ARG_WITH(perl, 760 AS_HELP_STRING([--with-perl], 761 [Use perl for extracting information from files (default: ]_defopt[)]), 762 [use_perl=$withval], [use_perl=]_defopt) 763m4_undefine([_defopt]) 764 765if test "x$use_perl" = x"auto"; then 766 AC_PATH_PROG([PERL], [perl]) 767 if test "x$PERL" = "x"; then 768 AC_MSG_WARN([perl not found - cannot extract information and report]) 769 have_perl=no 770 else 771 have_perl=yes 772 fi 773elif test "x$use_perl" = x"yes" ; then 774 AC_PATH_PROG([PERL], [perl]) 775 if test "x$PERL" = "x"; then 776 AC_MSG_ERROR([--with-perl=yes specified but perl not found in PATH]) 777 fi 778 have_perl=yes 779elif test "x$use_perl" = x"no" ; then 780 if test "x$PERL" != "x"; then 781 AC_MSG_WARN([ignoring PERL environment variable since --with-perl=no was specified]) 782 fi 783 have_perl=no 784else 785 AC_MSG_ERROR([--with-perl expects 'yes' or 'no']) 786fi 787 788AM_CONDITIONAL([HAVE_PERL], [test "$have_perl" = yes]) 789]) # XORG_WITH_PERL 790 791# XORG_WITH_ASCIIDOC([MIN-VERSION], [DEFAULT]) 792# ---------------- 793# Minimum version: 1.5.0 794# Minimum version for optional DEFAULT argument: 1.11.0 795# 796# Documentation tools are not always available on all platforms and sometimes 797# not at the appropriate level. This macro enables a module to test for the 798# presence of the tool and obtain it's path in separate variables. Coupled with 799# the --with-asciidoc option, it allows maximum flexibilty in making decisions 800# as whether or not to use the asciidoc package. When DEFAULT is not specified, 801# --with-asciidoc assumes 'auto'. 802# 803# Interface to module: 804# HAVE_ASCIIDOC: used in makefiles to conditionally generate documentation 805# ASCIIDOC: returns the path of the asciidoc program found 806# returns the path set by the user in the environment 807# --with-asciidoc: 'yes' user instructs the module to use asciidoc 808# 'no' user instructs the module not to use asciidoc 809# 810# If the user sets the value of ASCIIDOC, AC_PATH_PROG skips testing the path. 811# 812AC_DEFUN([XORG_WITH_ASCIIDOC],[ 813AC_ARG_VAR([ASCIIDOC], [Path to asciidoc command]) 814m4_define([_defopt], m4_default([$2], [auto])) 815AC_ARG_WITH(asciidoc, 816 AS_HELP_STRING([--with-asciidoc], 817 [Use asciidoc to regenerate documentation (default: ]_defopt[)]), 818 [use_asciidoc=$withval], [use_asciidoc=]_defopt) 819m4_undefine([_defopt]) 820 821if test "x$use_asciidoc" = x"auto"; then 822 AC_PATH_PROG([ASCIIDOC], [asciidoc]) 823 if test "x$ASCIIDOC" = "x"; then 824 AC_MSG_WARN([asciidoc not found - documentation targets will be skipped]) 825 have_asciidoc=no 826 else 827 have_asciidoc=yes 828 fi 829elif test "x$use_asciidoc" = x"yes" ; then 830 AC_PATH_PROG([ASCIIDOC], [asciidoc]) 831 if test "x$ASCIIDOC" = "x"; then 832 AC_MSG_ERROR([--with-asciidoc=yes specified but asciidoc not found in PATH]) 833 fi 834 have_asciidoc=yes 835elif test "x$use_asciidoc" = x"no" ; then 836 if test "x$ASCIIDOC" != "x"; then 837 AC_MSG_WARN([ignoring ASCIIDOC environment variable since --with-asciidoc=no was specified]) 838 fi 839 have_asciidoc=no 840else 841 AC_MSG_ERROR([--with-asciidoc expects 'yes' or 'no']) 842fi 843m4_ifval([$1], 844[if test "$have_asciidoc" = yes; then 845 # scrape the asciidoc version 846 AC_MSG_CHECKING([the asciidoc version]) 847 asciidoc_version=`$ASCIIDOC --version 2>/dev/null | cut -d' ' -f2` 848 AC_MSG_RESULT([$asciidoc_version]) 849 AS_VERSION_COMPARE([$asciidoc_version], [$1], 850 [if test "x$use_asciidoc" = xauto; then 851 AC_MSG_WARN([asciidoc version $asciidoc_version found, but $1 needed]) 852 have_asciidoc=no 853 else 854 AC_MSG_ERROR([asciidoc version $asciidoc_version found, but $1 needed]) 855 fi]) 856fi]) 857AM_CONDITIONAL([HAVE_ASCIIDOC], [test "$have_asciidoc" = yes]) 858]) # XORG_WITH_ASCIIDOC 859 860# XORG_WITH_DOXYGEN([MIN-VERSION], [DEFAULT]) 861# ------------------------------------------- 862# Minimum version: 1.5.0 863# Minimum version for optional DEFAULT argument: 1.11.0 864# Minimum version for optional DOT checking: 1.18.0 865# 866# Documentation tools are not always available on all platforms and sometimes 867# not at the appropriate level. This macro enables a module to test for the 868# presence of the tool and obtain it's path in separate variables. Coupled with 869# the --with-doxygen option, it allows maximum flexibilty in making decisions 870# as whether or not to use the doxygen package. When DEFAULT is not specified, 871# --with-doxygen assumes 'auto'. 872# 873# Interface to module: 874# HAVE_DOXYGEN: used in makefiles to conditionally generate documentation 875# DOXYGEN: returns the path of the doxygen program found 876# returns the path set by the user in the environment 877# --with-doxygen: 'yes' user instructs the module to use doxygen 878# 'no' user instructs the module not to use doxygen 879# 880# If the user sets the value of DOXYGEN, AC_PATH_PROG skips testing the path. 881# 882AC_DEFUN([XORG_WITH_DOXYGEN],[ 883AC_ARG_VAR([DOXYGEN], [Path to doxygen command]) 884AC_ARG_VAR([DOT], [Path to the dot graphics utility]) 885m4_define([_defopt], m4_default([$2], [auto])) 886AC_ARG_WITH(doxygen, 887 AS_HELP_STRING([--with-doxygen], 888 [Use doxygen to regenerate documentation (default: ]_defopt[)]), 889 [use_doxygen=$withval], [use_doxygen=]_defopt) 890m4_undefine([_defopt]) 891 892if test "x$use_doxygen" = x"auto"; then 893 AC_PATH_PROG([DOXYGEN], [doxygen]) 894 if test "x$DOXYGEN" = "x"; then 895 AC_MSG_WARN([doxygen not found - documentation targets will be skipped]) 896 have_doxygen=no 897 else 898 have_doxygen=yes 899 fi 900elif test "x$use_doxygen" = x"yes" ; then 901 AC_PATH_PROG([DOXYGEN], [doxygen]) 902 if test "x$DOXYGEN" = "x"; then 903 AC_MSG_ERROR([--with-doxygen=yes specified but doxygen not found in PATH]) 904 fi 905 have_doxygen=yes 906elif test "x$use_doxygen" = x"no" ; then 907 if test "x$DOXYGEN" != "x"; then 908 AC_MSG_WARN([ignoring DOXYGEN environment variable since --with-doxygen=no was specified]) 909 fi 910 have_doxygen=no 911else 912 AC_MSG_ERROR([--with-doxygen expects 'yes' or 'no']) 913fi 914m4_ifval([$1], 915[if test "$have_doxygen" = yes; then 916 # scrape the doxygen version 917 AC_MSG_CHECKING([the doxygen version]) 918 doxygen_version=`$DOXYGEN --version 2>/dev/null` 919 AC_MSG_RESULT([$doxygen_version]) 920 AS_VERSION_COMPARE([$doxygen_version], [$1], 921 [if test "x$use_doxygen" = xauto; then 922 AC_MSG_WARN([doxygen version $doxygen_version found, but $1 needed]) 923 have_doxygen=no 924 else 925 AC_MSG_ERROR([doxygen version $doxygen_version found, but $1 needed]) 926 fi]) 927fi]) 928 929dnl Check for DOT if we have doxygen. The caller decides if it is mandatory 930dnl HAVE_DOT is a variable that can be used in your doxygen.in config file: 931dnl HAVE_DOT = @HAVE_DOT@ 932HAVE_DOT=no 933if test "x$have_doxygen" = "xyes"; then 934 AC_PATH_PROG([DOT], [dot]) 935 if test "x$DOT" != "x"; then 936 HAVE_DOT=yes 937 fi 938fi 939 940AC_SUBST([HAVE_DOT]) 941AM_CONDITIONAL([HAVE_DOT], [test "$HAVE_DOT" = "yes"]) 942AM_CONDITIONAL([HAVE_DOXYGEN], [test "$have_doxygen" = yes]) 943]) # XORG_WITH_DOXYGEN 944 945# XORG_WITH_GROFF([DEFAULT]) 946# ---------------- 947# Minimum version: 1.6.0 948# Minimum version for optional DEFAULT argument: 1.11.0 949# 950# Documentation tools are not always available on all platforms and sometimes 951# not at the appropriate level. This macro enables a module to test for the 952# presence of the tool and obtain it's path in separate variables. Coupled with 953# the --with-groff option, it allows maximum flexibilty in making decisions 954# as whether or not to use the groff package. When DEFAULT is not specified, 955# --with-groff assumes 'auto'. 956# 957# Interface to module: 958# HAVE_GROFF: used in makefiles to conditionally generate documentation 959# HAVE_GROFF_MM: the memorandum macros (-mm) package 960# HAVE_GROFF_MS: the -ms macros package 961# GROFF: returns the path of the groff program found 962# returns the path set by the user in the environment 963# --with-groff: 'yes' user instructs the module to use groff 964# 'no' user instructs the module not to use groff 965# 966# Added in version 1.9.0: 967# HAVE_GROFF_HTML: groff has dependencies to output HTML format: 968# pnmcut pnmcrop pnmtopng pnmtops from the netpbm package. 969# psselect from the psutils package. 970# the ghostcript package. Refer to the grohtml man pages 971# 972# If the user sets the value of GROFF, AC_PATH_PROG skips testing the path. 973# 974# OS and distros often splits groff in a basic and full package, the former 975# having the groff program and the later having devices, fonts and macros 976# Checking for the groff executable is not enough. 977# 978# If macros are missing, we cannot assume that groff is useless, so we don't 979# unset HAVE_GROFF or GROFF env variables. 980# HAVE_GROFF_?? can never be true while HAVE_GROFF is false. 981# 982AC_DEFUN([XORG_WITH_GROFF],[ 983AC_ARG_VAR([GROFF], [Path to groff command]) 984m4_define([_defopt], m4_default([$1], [auto])) 985AC_ARG_WITH(groff, 986 AS_HELP_STRING([--with-groff], 987 [Use groff to regenerate documentation (default: ]_defopt[)]), 988 [use_groff=$withval], [use_groff=]_defopt) 989m4_undefine([_defopt]) 990 991if test "x$use_groff" = x"auto"; then 992 AC_PATH_PROG([GROFF], [groff]) 993 if test "x$GROFF" = "x"; then 994 AC_MSG_WARN([groff not found - documentation targets will be skipped]) 995 have_groff=no 996 else 997 have_groff=yes 998 fi 999elif test "x$use_groff" = x"yes" ; then 1000 AC_PATH_PROG([GROFF], [groff]) 1001 if test "x$GROFF" = "x"; then 1002 AC_MSG_ERROR([--with-groff=yes specified but groff not found in PATH]) 1003 fi 1004 have_groff=yes 1005elif test "x$use_groff" = x"no" ; then 1006 if test "x$GROFF" != "x"; then 1007 AC_MSG_WARN([ignoring GROFF environment variable since --with-groff=no was specified]) 1008 fi 1009 have_groff=no 1010else 1011 AC_MSG_ERROR([--with-groff expects 'yes' or 'no']) 1012fi 1013 1014# We have groff, test for the presence of the macro packages 1015if test "x$have_groff" = x"yes"; then 1016 AC_MSG_CHECKING([for ${GROFF} -ms macros]) 1017 if ${GROFF} -ms -I. /dev/null >/dev/null 2>&1 ; then 1018 groff_ms_works=yes 1019 else 1020 groff_ms_works=no 1021 fi 1022 AC_MSG_RESULT([$groff_ms_works]) 1023 AC_MSG_CHECKING([for ${GROFF} -mm macros]) 1024 if ${GROFF} -mm -I. /dev/null >/dev/null 2>&1 ; then 1025 groff_mm_works=yes 1026 else 1027 groff_mm_works=no 1028 fi 1029 AC_MSG_RESULT([$groff_mm_works]) 1030fi 1031 1032# We have groff, test for HTML dependencies, one command per package 1033if test "x$have_groff" = x"yes"; then 1034 AC_PATH_PROGS(GS_PATH, [gs gswin32c]) 1035 AC_PATH_PROG(PNMTOPNG_PATH, [pnmtopng]) 1036 AC_PATH_PROG(PSSELECT_PATH, [psselect]) 1037 if test "x$GS_PATH" != "x" -a "x$PNMTOPNG_PATH" != "x" -a "x$PSSELECT_PATH" != "x"; then 1038 have_groff_html=yes 1039 else 1040 have_groff_html=no 1041 AC_MSG_WARN([grohtml dependencies not found - HTML Documentation skipped. Refer to grohtml man pages]) 1042 fi 1043fi 1044 1045# Set Automake conditionals for Makefiles 1046AM_CONDITIONAL([HAVE_GROFF], [test "$have_groff" = yes]) 1047AM_CONDITIONAL([HAVE_GROFF_MS], [test "$groff_ms_works" = yes]) 1048AM_CONDITIONAL([HAVE_GROFF_MM], [test "$groff_mm_works" = yes]) 1049AM_CONDITIONAL([HAVE_GROFF_HTML], [test "$have_groff_html" = yes]) 1050]) # XORG_WITH_GROFF 1051 1052# XORG_WITH_FOP([MIN-VERSION], [DEFAULT]) 1053# --------------------------------------- 1054# Minimum version: 1.6.0 1055# Minimum version for optional DEFAULT argument: 1.11.0 1056# Minimum version for optional MIN-VERSION argument: 1.15.0 1057# 1058# Documentation tools are not always available on all platforms and sometimes 1059# not at the appropriate level. This macro enables a module to test for the 1060# presence of the tool and obtain it's path in separate variables. Coupled with 1061# the --with-fop option, it allows maximum flexibilty in making decisions 1062# as whether or not to use the fop package. When DEFAULT is not specified, 1063# --with-fop assumes 'auto'. 1064# 1065# Interface to module: 1066# HAVE_FOP: used in makefiles to conditionally generate documentation 1067# FOP: returns the path of the fop program found 1068# returns the path set by the user in the environment 1069# --with-fop: 'yes' user instructs the module to use fop 1070# 'no' user instructs the module not to use fop 1071# 1072# If the user sets the value of FOP, AC_PATH_PROG skips testing the path. 1073# 1074AC_DEFUN([XORG_WITH_FOP],[ 1075AC_ARG_VAR([FOP], [Path to fop command]) 1076m4_define([_defopt], m4_default([$2], [auto])) 1077AC_ARG_WITH(fop, 1078 AS_HELP_STRING([--with-fop], 1079 [Use fop to regenerate documentation (default: ]_defopt[)]), 1080 [use_fop=$withval], [use_fop=]_defopt) 1081m4_undefine([_defopt]) 1082 1083if test "x$use_fop" = x"auto"; then 1084 AC_PATH_PROG([FOP], [fop]) 1085 if test "x$FOP" = "x"; then 1086 AC_MSG_WARN([fop not found - documentation targets will be skipped]) 1087 have_fop=no 1088 else 1089 have_fop=yes 1090 fi 1091elif test "x$use_fop" = x"yes" ; then 1092 AC_PATH_PROG([FOP], [fop]) 1093 if test "x$FOP" = "x"; then 1094 AC_MSG_ERROR([--with-fop=yes specified but fop not found in PATH]) 1095 fi 1096 have_fop=yes 1097elif test "x$use_fop" = x"no" ; then 1098 if test "x$FOP" != "x"; then 1099 AC_MSG_WARN([ignoring FOP environment variable since --with-fop=no was specified]) 1100 fi 1101 have_fop=no 1102else 1103 AC_MSG_ERROR([--with-fop expects 'yes' or 'no']) 1104fi 1105 1106# Test for a minimum version of fop, if provided. 1107m4_ifval([$1], 1108[if test "$have_fop" = yes; then 1109 # scrape the fop version 1110 AC_MSG_CHECKING([for fop minimum version]) 1111 fop_version=`$FOP -version 2>/dev/null | cut -d' ' -f3` 1112 AC_MSG_RESULT([$fop_version]) 1113 AS_VERSION_COMPARE([$fop_version], [$1], 1114 [if test "x$use_fop" = xauto; then 1115 AC_MSG_WARN([fop version $fop_version found, but $1 needed]) 1116 have_fop=no 1117 else 1118 AC_MSG_ERROR([fop version $fop_version found, but $1 needed]) 1119 fi]) 1120fi]) 1121AM_CONDITIONAL([HAVE_FOP], [test "$have_fop" = yes]) 1122]) # XORG_WITH_FOP 1123 1124# XORG_WITH_M4([MIN-VERSION]) 1125# --------------------------- 1126# Minimum version: 1.19.0 1127# 1128# This macro attempts to locate an m4 macro processor which supports 1129# -I option and is only useful for modules relying on M4 in order to 1130# expand macros in source code files. 1131# 1132# Interface to module: 1133# M4: returns the path of the m4 program found 1134# returns the path set by the user in the environment 1135# 1136AC_DEFUN([XORG_WITH_M4], [ 1137AC_CACHE_CHECK([for m4 that supports -I option], [ac_cv_path_M4], 1138 [AC_PATH_PROGS_FEATURE_CHECK([M4], [m4 gm4], 1139 [[$ac_path_M4 -I. /dev/null > /dev/null 2>&1 && \ 1140 ac_cv_path_M4=$ac_path_M4 ac_path_M4_found=:]], 1141 [AC_MSG_ERROR([could not find m4 that supports -I option])], 1142 [$PATH:/usr/gnu/bin])]) 1143 1144AC_SUBST([M4], [$ac_cv_path_M4]) 1145]) # XORG_WITH_M4 1146 1147# XORG_WITH_PS2PDF([DEFAULT]) 1148# ---------------- 1149# Minimum version: 1.6.0 1150# Minimum version for optional DEFAULT argument: 1.11.0 1151# 1152# Documentation tools are not always available on all platforms and sometimes 1153# not at the appropriate level. This macro enables a module to test for the 1154# presence of the tool and obtain it's path in separate variables. Coupled with 1155# the --with-ps2pdf option, it allows maximum flexibilty in making decisions 1156# as whether or not to use the ps2pdf package. When DEFAULT is not specified, 1157# --with-ps2pdf assumes 'auto'. 1158# 1159# Interface to module: 1160# HAVE_PS2PDF: used in makefiles to conditionally generate documentation 1161# PS2PDF: returns the path of the ps2pdf program found 1162# returns the path set by the user in the environment 1163# --with-ps2pdf: 'yes' user instructs the module to use ps2pdf 1164# 'no' user instructs the module not to use ps2pdf 1165# 1166# If the user sets the value of PS2PDF, AC_PATH_PROG skips testing the path. 1167# 1168AC_DEFUN([XORG_WITH_PS2PDF],[ 1169AC_ARG_VAR([PS2PDF], [Path to ps2pdf command]) 1170m4_define([_defopt], m4_default([$1], [auto])) 1171AC_ARG_WITH(ps2pdf, 1172 AS_HELP_STRING([--with-ps2pdf], 1173 [Use ps2pdf to regenerate documentation (default: ]_defopt[)]), 1174 [use_ps2pdf=$withval], [use_ps2pdf=]_defopt) 1175m4_undefine([_defopt]) 1176 1177if test "x$use_ps2pdf" = x"auto"; then 1178 AC_PATH_PROG([PS2PDF], [ps2pdf]) 1179 if test "x$PS2PDF" = "x"; then 1180 AC_MSG_WARN([ps2pdf not found - documentation targets will be skipped]) 1181 have_ps2pdf=no 1182 else 1183 have_ps2pdf=yes 1184 fi 1185elif test "x$use_ps2pdf" = x"yes" ; then 1186 AC_PATH_PROG([PS2PDF], [ps2pdf]) 1187 if test "x$PS2PDF" = "x"; then 1188 AC_MSG_ERROR([--with-ps2pdf=yes specified but ps2pdf not found in PATH]) 1189 fi 1190 have_ps2pdf=yes 1191elif test "x$use_ps2pdf" = x"no" ; then 1192 if test "x$PS2PDF" != "x"; then 1193 AC_MSG_WARN([ignoring PS2PDF environment variable since --with-ps2pdf=no was specified]) 1194 fi 1195 have_ps2pdf=no 1196else 1197 AC_MSG_ERROR([--with-ps2pdf expects 'yes' or 'no']) 1198fi 1199AM_CONDITIONAL([HAVE_PS2PDF], [test "$have_ps2pdf" = yes]) 1200]) # XORG_WITH_PS2PDF 1201 1202# XORG_ENABLE_DOCS (enable_docs=yes) 1203# ---------------- 1204# Minimum version: 1.6.0 1205# 1206# Documentation tools are not always available on all platforms and sometimes 1207# not at the appropriate level. This macro enables a builder to skip all 1208# documentation targets except traditional man pages. 1209# Combined with the specific tool checking macros XORG_WITH_*, it provides 1210# maximum flexibilty in controlling documentation building. 1211# Refer to: 1212# XORG_WITH_XMLTO --with-xmlto 1213# XORG_WITH_ASCIIDOC --with-asciidoc 1214# XORG_WITH_DOXYGEN --with-doxygen 1215# XORG_WITH_FOP --with-fop 1216# XORG_WITH_GROFF --with-groff 1217# XORG_WITH_PS2PDF --with-ps2pdf 1218# 1219# Interface to module: 1220# ENABLE_DOCS: used in makefiles to conditionally generate documentation 1221# --enable-docs: 'yes' user instructs the module to generate docs 1222# 'no' user instructs the module not to generate docs 1223# parm1: specify the default value, yes or no. 1224# 1225AC_DEFUN([XORG_ENABLE_DOCS],[ 1226m4_define([docs_default], m4_default([$1], [yes])) 1227AC_ARG_ENABLE(docs, 1228 AS_HELP_STRING([--enable-docs], 1229 [Enable building the documentation (default: ]docs_default[)]), 1230 [build_docs=$enableval], [build_docs=]docs_default) 1231m4_undefine([docs_default]) 1232AM_CONDITIONAL(ENABLE_DOCS, [test x$build_docs = xyes]) 1233AC_MSG_CHECKING([whether to build documentation]) 1234AC_MSG_RESULT([$build_docs]) 1235]) # XORG_ENABLE_DOCS 1236 1237# XORG_ENABLE_DEVEL_DOCS (enable_devel_docs=yes) 1238# ---------------- 1239# Minimum version: 1.6.0 1240# 1241# This macro enables a builder to skip all developer documentation. 1242# Combined with the specific tool checking macros XORG_WITH_*, it provides 1243# maximum flexibilty in controlling documentation building. 1244# Refer to: 1245# XORG_WITH_XMLTO --with-xmlto 1246# XORG_WITH_ASCIIDOC --with-asciidoc 1247# XORG_WITH_DOXYGEN --with-doxygen 1248# XORG_WITH_FOP --with-fop 1249# XORG_WITH_GROFF --with-groff 1250# XORG_WITH_PS2PDF --with-ps2pdf 1251# 1252# Interface to module: 1253# ENABLE_DEVEL_DOCS: used in makefiles to conditionally generate developer docs 1254# --enable-devel-docs: 'yes' user instructs the module to generate developer docs 1255# 'no' user instructs the module not to generate developer docs 1256# parm1: specify the default value, yes or no. 1257# 1258AC_DEFUN([XORG_ENABLE_DEVEL_DOCS],[ 1259m4_define([devel_default], m4_default([$1], [yes])) 1260AC_ARG_ENABLE(devel-docs, 1261 AS_HELP_STRING([--enable-devel-docs], 1262 [Enable building the developer documentation (default: ]devel_default[)]), 1263 [build_devel_docs=$enableval], [build_devel_docs=]devel_default) 1264m4_undefine([devel_default]) 1265AM_CONDITIONAL(ENABLE_DEVEL_DOCS, [test x$build_devel_docs = xyes]) 1266AC_MSG_CHECKING([whether to build developer documentation]) 1267AC_MSG_RESULT([$build_devel_docs]) 1268]) # XORG_ENABLE_DEVEL_DOCS 1269 1270# XORG_ENABLE_SPECS (enable_specs=yes) 1271# ---------------- 1272# Minimum version: 1.6.0 1273# 1274# This macro enables a builder to skip all functional specification targets. 1275# Combined with the specific tool checking macros XORG_WITH_*, it provides 1276# maximum flexibilty in controlling documentation building. 1277# Refer to: 1278# XORG_WITH_XMLTO --with-xmlto 1279# XORG_WITH_ASCIIDOC --with-asciidoc 1280# XORG_WITH_DOXYGEN --with-doxygen 1281# XORG_WITH_FOP --with-fop 1282# XORG_WITH_GROFF --with-groff 1283# XORG_WITH_PS2PDF --with-ps2pdf 1284# 1285# Interface to module: 1286# ENABLE_SPECS: used in makefiles to conditionally generate specs 1287# --enable-specs: 'yes' user instructs the module to generate specs 1288# 'no' user instructs the module not to generate specs 1289# parm1: specify the default value, yes or no. 1290# 1291AC_DEFUN([XORG_ENABLE_SPECS],[ 1292m4_define([spec_default], m4_default([$1], [yes])) 1293AC_ARG_ENABLE(specs, 1294 AS_HELP_STRING([--enable-specs], 1295 [Enable building the specs (default: ]spec_default[)]), 1296 [build_specs=$enableval], [build_specs=]spec_default) 1297m4_undefine([spec_default]) 1298AM_CONDITIONAL(ENABLE_SPECS, [test x$build_specs = xyes]) 1299AC_MSG_CHECKING([whether to build functional specifications]) 1300AC_MSG_RESULT([$build_specs]) 1301]) # XORG_ENABLE_SPECS 1302 1303# XORG_ENABLE_UNIT_TESTS (enable_unit_tests=auto) 1304# ---------------------------------------------- 1305# Minimum version: 1.13.0 1306# 1307# This macro enables a builder to enable/disable unit testing 1308# It makes no assumption about the test cases implementation 1309# Test cases may or may not use Automake "Support for test suites" 1310# They may or may not use the software utility library GLib 1311# 1312# When used in conjunction with XORG_WITH_GLIB, use both AM_CONDITIONAL 1313# ENABLE_UNIT_TESTS and HAVE_GLIB. Not all unit tests may use glib. 1314# The variable enable_unit_tests is used by other macros in this file. 1315# 1316# Interface to module: 1317# ENABLE_UNIT_TESTS: used in makefiles to conditionally build tests 1318# enable_unit_tests: used in configure.ac for additional configuration 1319# --enable-unit-tests: 'yes' user instructs the module to build tests 1320# 'no' user instructs the module not to build tests 1321# parm1: specify the default value, yes or no. 1322# 1323AC_DEFUN([XORG_ENABLE_UNIT_TESTS],[ 1324AC_BEFORE([$0], [XORG_WITH_GLIB]) 1325AC_BEFORE([$0], [XORG_LD_WRAP]) 1326AC_REQUIRE([XORG_MEMORY_CHECK_FLAGS]) 1327m4_define([_defopt], m4_default([$1], [auto])) 1328AC_ARG_ENABLE(unit-tests, AS_HELP_STRING([--enable-unit-tests], 1329 [Enable building unit test cases (default: ]_defopt[)]), 1330 [enable_unit_tests=$enableval], [enable_unit_tests=]_defopt) 1331m4_undefine([_defopt]) 1332AM_CONDITIONAL(ENABLE_UNIT_TESTS, [test "x$enable_unit_tests" != xno]) 1333AC_MSG_CHECKING([whether to build unit test cases]) 1334AC_MSG_RESULT([$enable_unit_tests]) 1335]) # XORG_ENABLE_UNIT_TESTS 1336 1337# XORG_ENABLE_INTEGRATION_TESTS (enable_unit_tests=auto) 1338# ------------------------------------------------------ 1339# Minimum version: 1.17.0 1340# 1341# This macro enables a builder to enable/disable integration testing 1342# It makes no assumption about the test cases' implementation 1343# Test cases may or may not use Automake "Support for test suites" 1344# 1345# Please see XORG_ENABLE_UNIT_TESTS for unit test support. Unit test support 1346# usually requires less dependencies and may be built and run under less 1347# stringent environments than integration tests. 1348# 1349# Interface to module: 1350# ENABLE_INTEGRATION_TESTS: used in makefiles to conditionally build tests 1351# enable_integration_tests: used in configure.ac for additional configuration 1352# --enable-integration-tests: 'yes' user instructs the module to build tests 1353# 'no' user instructs the module not to build tests 1354# parm1: specify the default value, yes or no. 1355# 1356AC_DEFUN([XORG_ENABLE_INTEGRATION_TESTS],[ 1357AC_REQUIRE([XORG_MEMORY_CHECK_FLAGS]) 1358m4_define([_defopt], m4_default([$1], [auto])) 1359AC_ARG_ENABLE(integration-tests, AS_HELP_STRING([--enable-integration-tests], 1360 [Enable building integration test cases (default: ]_defopt[)]), 1361 [enable_integration_tests=$enableval], 1362 [enable_integration_tests=]_defopt) 1363m4_undefine([_defopt]) 1364AM_CONDITIONAL([ENABLE_INTEGRATION_TESTS], 1365 [test "x$enable_integration_tests" != xno]) 1366AC_MSG_CHECKING([whether to build unit test cases]) 1367AC_MSG_RESULT([$enable_integration_tests]) 1368]) # XORG_ENABLE_INTEGRATION_TESTS 1369 1370# XORG_WITH_GLIB([MIN-VERSION], [DEFAULT]) 1371# ---------------------------------------- 1372# Minimum version: 1.13.0 1373# 1374# GLib is a library which provides advanced data structures and functions. 1375# This macro enables a module to test for the presence of Glib. 1376# 1377# When used with ENABLE_UNIT_TESTS, it is assumed GLib is used for unit testing. 1378# Otherwise the value of $enable_unit_tests is blank. 1379# 1380# Please see XORG_ENABLE_INTEGRATION_TESTS for integration test support. Unit 1381# test support usually requires less dependencies and may be built and run under 1382# less stringent environments than integration tests. 1383# 1384# Interface to module: 1385# HAVE_GLIB: used in makefiles to conditionally build targets 1386# with_glib: used in configure.ac to know if GLib has been found 1387# --with-glib: 'yes' user instructs the module to use glib 1388# 'no' user instructs the module not to use glib 1389# 1390AC_DEFUN([XORG_WITH_GLIB],[ 1391AC_REQUIRE([PKG_PROG_PKG_CONFIG]) 1392m4_define([_defopt], m4_default([$2], [auto])) 1393AC_ARG_WITH(glib, AS_HELP_STRING([--with-glib], 1394 [Use GLib library for unit testing (default: ]_defopt[)]), 1395 [with_glib=$withval], [with_glib=]_defopt) 1396m4_undefine([_defopt]) 1397 1398have_glib=no 1399# Do not probe GLib if user explicitly disabled unit testing 1400if test "x$enable_unit_tests" != x"no"; then 1401 # Do not probe GLib if user explicitly disabled it 1402 if test "x$with_glib" != x"no"; then 1403 m4_ifval( 1404 [$1], 1405 [PKG_CHECK_MODULES([GLIB], [glib-2.0 >= $1], [have_glib=yes], [have_glib=no])], 1406 [PKG_CHECK_MODULES([GLIB], [glib-2.0], [have_glib=yes], [have_glib=no])] 1407 ) 1408 fi 1409fi 1410 1411# Not having GLib when unit testing has been explicitly requested is an error 1412if test "x$enable_unit_tests" = x"yes"; then 1413 if test "x$have_glib" = x"no"; then 1414 AC_MSG_ERROR([--enable-unit-tests=yes specified but glib-2.0 not found]) 1415 fi 1416fi 1417 1418# Having unit testing disabled when GLib has been explicitly requested is an error 1419if test "x$enable_unit_tests" = x"no"; then 1420 if test "x$with_glib" = x"yes"; then 1421 AC_MSG_ERROR([--enable-unit-tests=yes specified but glib-2.0 not found]) 1422 fi 1423fi 1424 1425# Not having GLib when it has been explicitly requested is an error 1426if test "x$with_glib" = x"yes"; then 1427 if test "x$have_glib" = x"no"; then 1428 AC_MSG_ERROR([--with-glib=yes specified but glib-2.0 not found]) 1429 fi 1430fi 1431 1432AM_CONDITIONAL([HAVE_GLIB], [test "$have_glib" = yes]) 1433]) # XORG_WITH_GLIB 1434 1435# XORG_LD_WRAP([required|optional]) 1436# --------------------------------- 1437# Minimum version: 1.13.0 1438# 1439# Check if linker supports -wrap, passed via compiler flags 1440# 1441# When used with ENABLE_UNIT_TESTS, it is assumed -wrap is used for unit testing. 1442# Otherwise the value of $enable_unit_tests is blank. 1443# 1444# Argument added in 1.16.0 - default is "required", to match existing behavior 1445# of returning an error if enable_unit_tests is yes, and ld -wrap is not 1446# available, an argument of "optional" allows use when some unit tests require 1447# ld -wrap and others do not. 1448# 1449AC_DEFUN([XORG_LD_WRAP],[ 1450XORG_CHECK_LINKER_FLAGS([-Wl,-wrap,exit],[have_ld_wrap=yes],[have_ld_wrap=no], 1451 [AC_LANG_PROGRAM([#include <stdlib.h> 1452 void __wrap_exit(int status) { return; }], 1453 [exit(0);])]) 1454# Not having ld wrap when unit testing has been explicitly requested is an error 1455if test "x$enable_unit_tests" = x"yes" -a "x$1" != "xoptional"; then 1456 if test "x$have_ld_wrap" = x"no"; then 1457 AC_MSG_ERROR([--enable-unit-tests=yes specified but ld -wrap support is not available]) 1458 fi 1459fi 1460AM_CONDITIONAL([HAVE_LD_WRAP], [test "$have_ld_wrap" = yes]) 1461# 1462]) # XORG_LD_WRAP 1463 1464# XORG_CHECK_LINKER_FLAGS 1465# ----------------------- 1466# SYNOPSIS 1467# 1468# XORG_CHECK_LINKER_FLAGS(FLAGS, [ACTION-SUCCESS], [ACTION-FAILURE], [PROGRAM-SOURCE]) 1469# 1470# DESCRIPTION 1471# 1472# Check whether the given linker FLAGS work with the current language's 1473# linker, or whether they give an error. 1474# 1475# ACTION-SUCCESS/ACTION-FAILURE are shell commands to execute on 1476# success/failure. 1477# 1478# PROGRAM-SOURCE is the program source to link with, if needed 1479# 1480# NOTE: Based on AX_CHECK_COMPILER_FLAGS. 1481# 1482# LICENSE 1483# 1484# Copyright (c) 2009 Mike Frysinger <vapier@gentoo.org> 1485# Copyright (c) 2009 Steven G. Johnson <stevenj@alum.mit.edu> 1486# Copyright (c) 2009 Matteo Frigo 1487# 1488# This program is free software: you can redistribute it and/or modify it 1489# under the terms of the GNU General Public License as published by the 1490# Free Software Foundation, either version 3 of the License, or (at your 1491# option) any later version. 1492# 1493# This program is distributed in the hope that it will be useful, but 1494# WITHOUT ANY WARRANTY; without even the implied warranty of 1495# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General 1496# Public License for more details. 1497# 1498# You should have received a copy of the GNU General Public License along 1499# with this program. If not, see <http://www.gnu.org/licenses/>. 1500# 1501# As a special exception, the respective Autoconf Macro's copyright owner 1502# gives unlimited permission to copy, distribute and modify the configure 1503# scripts that are the output of Autoconf when processing the Macro. You 1504# need not follow the terms of the GNU General Public License when using 1505# or distributing such scripts, even though portions of the text of the 1506# Macro appear in them. The GNU General Public License (GPL) does govern 1507# all other use of the material that constitutes the Autoconf Macro. 1508# 1509# This special exception to the GPL applies to versions of the Autoconf 1510# Macro released by the Autoconf Archive. When you make and distribute a 1511# modified version of the Autoconf Macro, you may extend this special 1512# exception to the GPL to apply to your modified version as well.# 1513AC_DEFUN([XORG_CHECK_LINKER_FLAGS], 1514[AC_MSG_CHECKING([whether the linker accepts $1]) 1515dnl Some hackery here since AC_CACHE_VAL can't handle a non-literal varname: 1516AS_LITERAL_IF([$1], 1517 [AC_CACHE_VAL(AS_TR_SH(xorg_cv_linker_flags_[$1]), [ 1518 ax_save_FLAGS=$LDFLAGS 1519 LDFLAGS="$1" 1520 AC_LINK_IFELSE([m4_default([$4],[AC_LANG_PROGRAM()])], 1521 AS_TR_SH(xorg_cv_linker_flags_[$1])=yes, 1522 AS_TR_SH(xorg_cv_linker_flags_[$1])=no) 1523 LDFLAGS=$ax_save_FLAGS])], 1524 [ax_save_FLAGS=$LDFLAGS 1525 LDFLAGS="$1" 1526 AC_LINK_IFELSE([AC_LANG_PROGRAM()], 1527 eval AS_TR_SH(xorg_cv_linker_flags_[$1])=yes, 1528 eval AS_TR_SH(xorg_cv_linker_flags_[$1])=no) 1529 LDFLAGS=$ax_save_FLAGS]) 1530eval xorg_check_linker_flags=$AS_TR_SH(xorg_cv_linker_flags_[$1]) 1531AC_MSG_RESULT($xorg_check_linker_flags) 1532if test "x$xorg_check_linker_flags" = xyes; then 1533 m4_default([$2], :) 1534else 1535 m4_default([$3], :) 1536fi 1537]) # XORG_CHECK_LINKER_FLAGS 1538 1539# XORG_MEMORY_CHECK_FLAGS 1540# ----------------------- 1541# Minimum version: 1.16.0 1542# 1543# This macro attempts to find appropriate memory checking functionality 1544# for various platforms which unit testing code may use to catch various 1545# forms of memory allocation and access errors in testing. 1546# 1547# Interface to module: 1548# XORG_MALLOC_DEBUG_ENV - environment variables to set to enable debugging 1549# Usually added to TESTS_ENVIRONMENT in Makefile.am 1550# 1551# If the user sets the value of XORG_MALLOC_DEBUG_ENV, it is used verbatim. 1552# 1553AC_DEFUN([XORG_MEMORY_CHECK_FLAGS],[ 1554 1555AC_REQUIRE([AC_CANONICAL_HOST]) 1556AC_ARG_VAR([XORG_MALLOC_DEBUG_ENV], 1557 [Environment variables to enable memory checking in tests]) 1558 1559# Check for different types of support on different platforms 1560case $host_os in 1561 solaris*) 1562 AC_CHECK_LIB([umem], [umem_alloc], 1563 [malloc_debug_env='LD_PRELOAD=libumem.so UMEM_DEBUG=default']) 1564 ;; 1565 *-gnu*) # GNU libc - Value is used as a single byte bit pattern, 1566 # both directly and inverted, so should not be 0 or 255. 1567 malloc_debug_env='MALLOC_PERTURB_=15' 1568 ;; 1569 darwin*) 1570 malloc_debug_env='MallocPreScribble=1 MallocScribble=1 DYLD_INSERT_LIBRARIES=/usr/lib/libgmalloc.dylib' 1571 ;; 1572 *bsd*) 1573 malloc_debug_env='MallocPreScribble=1 MallocScribble=1' 1574 ;; 1575esac 1576 1577# User supplied flags override default flags 1578if test "x$XORG_MALLOC_DEBUG_ENV" != "x"; then 1579 malloc_debug_env="$XORG_MALLOC_DEBUG_ENV" 1580fi 1581 1582AC_SUBST([XORG_MALLOC_DEBUG_ENV],[$malloc_debug_env]) 1583]) # XORG_WITH_LINT 1584 1585# XORG_CHECK_MALLOC_ZERO 1586# ---------------------- 1587# Minimum version: 1.0.0 1588# 1589# Defines {MALLOC,XMALLOC,XTMALLOC}_ZERO_CFLAGS appropriately if 1590# malloc(0) returns NULL. Packages should add one of these cflags to 1591# their AM_CFLAGS (or other appropriate *_CFLAGS) to use them. 1592AC_DEFUN([XORG_CHECK_MALLOC_ZERO],[ 1593AC_ARG_ENABLE(malloc0returnsnull, 1594 AS_HELP_STRING([--enable-malloc0returnsnull], 1595 [malloc(0) returns NULL (default: auto)]), 1596 [MALLOC_ZERO_RETURNS_NULL=$enableval], 1597 [MALLOC_ZERO_RETURNS_NULL=auto]) 1598 1599AC_MSG_CHECKING([whether malloc(0) returns NULL]) 1600if test "x$MALLOC_ZERO_RETURNS_NULL" = xauto; then 1601AC_CACHE_VAL([xorg_cv_malloc0_returns_null], 1602 [AC_RUN_IFELSE([AC_LANG_PROGRAM([ 1603#include <stdlib.h> 1604],[ 1605 char *m0, *r0, *c0, *p; 1606 m0 = malloc(0); 1607 p = malloc(10); 1608 r0 = realloc(p,0); 1609 c0 = calloc(0,10); 1610 exit((m0 == 0 || r0 == 0 || c0 == 0) ? 0 : 1); 1611])], 1612 [xorg_cv_malloc0_returns_null=yes], 1613 [xorg_cv_malloc0_returns_null=no])]) 1614MALLOC_ZERO_RETURNS_NULL=$xorg_cv_malloc0_returns_null 1615fi 1616AC_MSG_RESULT([$MALLOC_ZERO_RETURNS_NULL]) 1617 1618if test "x$MALLOC_ZERO_RETURNS_NULL" = xyes; then 1619 MALLOC_ZERO_CFLAGS="-DMALLOC_0_RETURNS_NULL" 1620 XMALLOC_ZERO_CFLAGS=$MALLOC_ZERO_CFLAGS 1621 XTMALLOC_ZERO_CFLAGS="$MALLOC_ZERO_CFLAGS -DXTMALLOC_BC" 1622else 1623 MALLOC_ZERO_CFLAGS="" 1624 XMALLOC_ZERO_CFLAGS="" 1625 XTMALLOC_ZERO_CFLAGS="" 1626fi 1627 1628AC_SUBST([MALLOC_ZERO_CFLAGS]) 1629AC_SUBST([XMALLOC_ZERO_CFLAGS]) 1630AC_SUBST([XTMALLOC_ZERO_CFLAGS]) 1631]) # XORG_CHECK_MALLOC_ZERO 1632 1633# XORG_WITH_LINT() 1634# ---------------- 1635# Minimum version: 1.1.0 1636# 1637# This macro enables the use of a tool that flags some suspicious and 1638# non-portable constructs (likely to be bugs) in C language source code. 1639# It will attempt to locate the tool and use appropriate options. 1640# There are various lint type tools on different platforms. 1641# 1642# Interface to module: 1643# LINT: returns the path to the tool found on the platform 1644# or the value set to LINT on the configure cmd line 1645# also an Automake conditional 1646# LINT_FLAGS: an Automake variable with appropriate flags 1647# 1648# --with-lint: 'yes' user instructs the module to use lint 1649# 'no' user instructs the module not to use lint (default) 1650# 1651# If the user sets the value of LINT, AC_PATH_PROG skips testing the path. 1652# If the user sets the value of LINT_FLAGS, they are used verbatim. 1653# 1654AC_DEFUN([XORG_WITH_LINT],[ 1655 1656AC_ARG_VAR([LINT], [Path to a lint-style command]) 1657AC_ARG_VAR([LINT_FLAGS], [Flags for the lint-style command]) 1658AC_ARG_WITH(lint, [AS_HELP_STRING([--with-lint], 1659 [Use a lint-style source code checker (default: disabled)])], 1660 [use_lint=$withval], [use_lint=no]) 1661 1662# Obtain platform specific info like program name and options 1663# The lint program on FreeBSD and NetBSD is different from the one on Solaris 1664case $host_os in 1665 *linux* | *openbsd* | kfreebsd*-gnu | darwin* | cygwin*) 1666 lint_name=splint 1667 lint_options="-badflag" 1668 ;; 1669 *freebsd* | *netbsd*) 1670 lint_name=lint 1671 lint_options="-u -b" 1672 ;; 1673 *solaris*) 1674 lint_name=lint 1675 lint_options="-u -b -h -erroff=E_INDISTING_FROM_TRUNC2" 1676 ;; 1677esac 1678 1679# Test for the presence of the program (either guessed by the code or spelled out by the user) 1680if test "x$use_lint" = x"yes" ; then 1681 AC_PATH_PROG([LINT], [$lint_name]) 1682 if test "x$LINT" = "x"; then 1683 AC_MSG_ERROR([--with-lint=yes specified but lint-style tool not found in PATH]) 1684 fi 1685elif test "x$use_lint" = x"no" ; then 1686 if test "x$LINT" != "x"; then 1687 AC_MSG_WARN([ignoring LINT environment variable since --with-lint=no was specified]) 1688 fi 1689else 1690 AC_MSG_ERROR([--with-lint expects 'yes' or 'no'. Use LINT variable to specify path.]) 1691fi 1692 1693# User supplied flags override default flags 1694if test "x$LINT_FLAGS" != "x"; then 1695 lint_options=$LINT_FLAGS 1696fi 1697 1698AC_SUBST([LINT_FLAGS],[$lint_options]) 1699AM_CONDITIONAL(LINT, [test "x$LINT" != x]) 1700 1701]) # XORG_WITH_LINT 1702 1703# XORG_LINT_LIBRARY(LIBNAME) 1704# -------------------------- 1705# Minimum version: 1.1.0 1706# 1707# Sets up flags for building lint libraries for checking programs that call 1708# functions in the library. 1709# 1710# Interface to module: 1711# LINTLIB - Automake variable with the name of lint library file to make 1712# MAKE_LINT_LIB - Automake conditional 1713# 1714# --enable-lint-library: - 'yes' user instructs the module to created a lint library 1715# - 'no' user instructs the module not to create a lint library (default) 1716 1717AC_DEFUN([XORG_LINT_LIBRARY],[ 1718AC_REQUIRE([XORG_WITH_LINT]) 1719AC_ARG_ENABLE(lint-library, [AS_HELP_STRING([--enable-lint-library], 1720 [Create lint library (default: disabled)])], 1721 [make_lint_lib=$enableval], [make_lint_lib=no]) 1722 1723if test "x$make_lint_lib" = x"yes" ; then 1724 LINTLIB=llib-l$1.ln 1725 if test "x$LINT" = "x"; then 1726 AC_MSG_ERROR([Cannot make lint library without --with-lint]) 1727 fi 1728elif test "x$make_lint_lib" != x"no" ; then 1729 AC_MSG_ERROR([--enable-lint-library expects 'yes' or 'no'.]) 1730fi 1731 1732AC_SUBST(LINTLIB) 1733AM_CONDITIONAL(MAKE_LINT_LIB, [test x$make_lint_lib != xno]) 1734 1735]) # XORG_LINT_LIBRARY 1736 1737# XORG_COMPILER_BRAND 1738# ------------------- 1739# Minimum version: 1.14.0 1740# 1741# Checks for various brands of compilers and sets flags as appropriate: 1742# GNU gcc - relies on AC_PROG_CC (via AC_PROG_CC_C99) to set GCC to "yes" 1743# GNU g++ - relies on AC_PROG_CXX to set GXX to "yes" 1744# clang compiler - sets CLANGCC to "yes" 1745# Intel compiler - sets INTELCC to "yes" 1746# Sun/Oracle Solaris Studio cc - sets SUNCC to "yes" 1747# 1748AC_DEFUN([XORG_COMPILER_BRAND], [ 1749AC_LANG_CASE( 1750 [C], [ 1751 AC_REQUIRE([AC_PROG_CC_C99]) 1752 ], 1753 [C++], [ 1754 AC_REQUIRE([AC_PROG_CXX]) 1755 ] 1756) 1757AC_CHECK_DECL([__clang__], [CLANGCC="yes"], [CLANGCC="no"]) 1758AC_CHECK_DECL([__INTEL_COMPILER], [INTELCC="yes"], [INTELCC="no"]) 1759AC_CHECK_DECL([__SUNPRO_C], [SUNCC="yes"], [SUNCC="no"]) 1760]) # XORG_COMPILER_BRAND 1761 1762# XORG_TESTSET_CFLAG(<variable>, <flag>, [<alternative flag>, ...]) 1763# --------------- 1764# Minimum version: 1.16.0 1765# 1766# Test if the compiler works when passed the given flag as a command line argument. 1767# If it succeeds, the flag is appeneded to the given variable. If not, it tries the 1768# next flag in the list until there are no more options. 1769# 1770# Note that this does not guarantee that the compiler supports the flag as some 1771# compilers will simply ignore arguments that they do not understand, but we do 1772# attempt to weed out false positives by using -Werror=unknown-warning-option and 1773# -Werror=unused-command-line-argument 1774# 1775AC_DEFUN([XORG_TESTSET_CFLAG], [ 1776m4_if([$#], 0, [m4_fatal([XORG_TESTSET_CFLAG was given with an unsupported number of arguments])]) 1777m4_if([$#], 1, [m4_fatal([XORG_TESTSET_CFLAG was given with an unsupported number of arguments])]) 1778 1779AC_LANG_COMPILER_REQUIRE 1780 1781AC_LANG_CASE( 1782 [C], [ 1783 AC_REQUIRE([AC_PROG_CC_C99]) 1784 define([PREFIX], [C]) 1785 define([CACHE_PREFIX], [cc]) 1786 define([COMPILER], [$CC]) 1787 ], 1788 [C++], [ 1789 define([PREFIX], [CXX]) 1790 define([CACHE_PREFIX], [cxx]) 1791 define([COMPILER], [$CXX]) 1792 ] 1793) 1794 1795[xorg_testset_save_]PREFIX[FLAGS]="$PREFIX[FLAGS]" 1796 1797if test "x$[xorg_testset_]CACHE_PREFIX[_unknown_warning_option]" = "x" ; then 1798 PREFIX[FLAGS]="$PREFIX[FLAGS] -Werror=unknown-warning-option" 1799 AC_CACHE_CHECK([if ]COMPILER[ supports -Werror=unknown-warning-option], 1800 [xorg_cv_]CACHE_PREFIX[_flag_unknown_warning_option], 1801 AC_COMPILE_IFELSE([AC_LANG_SOURCE([int i;])], 1802 [xorg_cv_]CACHE_PREFIX[_flag_unknown_warning_option=yes], 1803 [xorg_cv_]CACHE_PREFIX[_flag_unknown_warning_option=no])) 1804 [xorg_testset_]CACHE_PREFIX[_unknown_warning_option]=$[xorg_cv_]CACHE_PREFIX[_flag_unknown_warning_option] 1805 PREFIX[FLAGS]="$[xorg_testset_save_]PREFIX[FLAGS]" 1806fi 1807 1808if test "x$[xorg_testset_]CACHE_PREFIX[_unused_command_line_argument]" = "x" ; then 1809 if test "x$[xorg_testset_]CACHE_PREFIX[_unknown_warning_option]" = "xyes" ; then 1810 PREFIX[FLAGS]="$PREFIX[FLAGS] -Werror=unknown-warning-option" 1811 fi 1812 PREFIX[FLAGS]="$PREFIX[FLAGS] -Werror=unused-command-line-argument" 1813 AC_CACHE_CHECK([if ]COMPILER[ supports -Werror=unused-command-line-argument], 1814 [xorg_cv_]CACHE_PREFIX[_flag_unused_command_line_argument], 1815 AC_COMPILE_IFELSE([AC_LANG_SOURCE([int i;])], 1816 [xorg_cv_]CACHE_PREFIX[_flag_unused_command_line_argument=yes], 1817 [xorg_cv_]CACHE_PREFIX[_flag_unused_command_line_argument=no])) 1818 [xorg_testset_]CACHE_PREFIX[_unused_command_line_argument]=$[xorg_cv_]CACHE_PREFIX[_flag_unused_command_line_argument] 1819 PREFIX[FLAGS]="$[xorg_testset_save_]PREFIX[FLAGS]" 1820fi 1821 1822found="no" 1823m4_foreach([flag], m4_cdr($@), [ 1824 if test $found = "no" ; then 1825 if test "x$xorg_testset_]CACHE_PREFIX[_unknown_warning_option" = "xyes" ; then 1826 PREFIX[FLAGS]="$PREFIX[FLAGS] -Werror=unknown-warning-option" 1827 fi 1828 1829 if test "x$xorg_testset_]CACHE_PREFIX[_unused_command_line_argument" = "xyes" ; then 1830 PREFIX[FLAGS]="$PREFIX[FLAGS] -Werror=unused-command-line-argument" 1831 fi 1832 1833 PREFIX[FLAGS]="$PREFIX[FLAGS] ]flag[" 1834 1835dnl Some hackery here since AC_CACHE_VAL can't handle a non-literal varname 1836 AC_MSG_CHECKING([if ]COMPILER[ supports ]flag[]) 1837 cacheid=AS_TR_SH([xorg_cv_]CACHE_PREFIX[_flag_]flag[]) 1838 AC_CACHE_VAL($cacheid, 1839 [AC_LINK_IFELSE([AC_LANG_PROGRAM([int i;])], 1840 [eval $cacheid=yes], 1841 [eval $cacheid=no])]) 1842 1843 PREFIX[FLAGS]="$[xorg_testset_save_]PREFIX[FLAGS]" 1844 1845 eval supported=\$$cacheid 1846 AC_MSG_RESULT([$supported]) 1847 if test "$supported" = "yes" ; then 1848 $1="$$1 ]flag[" 1849 found="yes" 1850 fi 1851 fi 1852]) 1853]) # XORG_TESTSET_CFLAG 1854 1855# XORG_COMPILER_FLAGS 1856# --------------- 1857# Minimum version: 1.16.0 1858# 1859# Defines BASE_CFLAGS or BASE_CXXFLAGS to contain a set of command line 1860# arguments supported by the selected compiler which do NOT alter the generated 1861# code. These arguments will cause the compiler to print various warnings 1862# during compilation AND turn a conservative set of warnings into errors. 1863# 1864# The set of flags supported by BASE_CFLAGS and BASE_CXXFLAGS will grow in 1865# future versions of util-macros as options are added to new compilers. 1866# 1867AC_DEFUN([XORG_COMPILER_FLAGS], [ 1868AC_REQUIRE([XORG_COMPILER_BRAND]) 1869 1870AC_ARG_ENABLE(selective-werror, 1871 AS_HELP_STRING([--disable-selective-werror], 1872 [Turn off selective compiler errors. (default: enabled)]), 1873 [SELECTIVE_WERROR=$enableval], 1874 [SELECTIVE_WERROR=yes]) 1875 1876AC_LANG_CASE( 1877 [C], [ 1878 define([PREFIX], [C]) 1879 ], 1880 [C++], [ 1881 define([PREFIX], [CXX]) 1882 ] 1883) 1884# -v is too short to test reliably with XORG_TESTSET_CFLAG 1885if test "x$SUNCC" = "xyes"; then 1886 [BASE_]PREFIX[FLAGS]="-v" 1887else 1888 [BASE_]PREFIX[FLAGS]="" 1889fi 1890 1891# This chunk of warnings were those that existed in the legacy CWARNFLAGS 1892XORG_TESTSET_CFLAG([[BASE_]PREFIX[FLAGS]], [-Wall]) 1893XORG_TESTSET_CFLAG([[BASE_]PREFIX[FLAGS]], [-Wpointer-arith]) 1894XORG_TESTSET_CFLAG([[BASE_]PREFIX[FLAGS]], [-Wmissing-declarations]) 1895XORG_TESTSET_CFLAG([[BASE_]PREFIX[FLAGS]], [-Wformat=2], [-Wformat]) 1896 1897AC_LANG_CASE( 1898 [C], [ 1899 XORG_TESTSET_CFLAG([[BASE_]PREFIX[FLAGS]], [-Wstrict-prototypes]) 1900 XORG_TESTSET_CFLAG([[BASE_]PREFIX[FLAGS]], [-Wmissing-prototypes]) 1901 XORG_TESTSET_CFLAG([[BASE_]PREFIX[FLAGS]], [-Wnested-externs]) 1902 XORG_TESTSET_CFLAG([[BASE_]PREFIX[FLAGS]], [-Wbad-function-cast]) 1903 XORG_TESTSET_CFLAG([[BASE_]PREFIX[FLAGS]], [-Wold-style-definition], [-fd]) 1904 XORG_TESTSET_CFLAG([[BASE_]PREFIX[FLAGS]], [-Wdeclaration-after-statement]) 1905 ] 1906) 1907 1908# This chunk adds additional warnings that could catch undesired effects. 1909XORG_TESTSET_CFLAG([[BASE_]PREFIX[FLAGS]], [-Wunused]) 1910XORG_TESTSET_CFLAG([[BASE_]PREFIX[FLAGS]], [-Wuninitialized]) 1911XORG_TESTSET_CFLAG([[BASE_]PREFIX[FLAGS]], [-Wshadow]) 1912XORG_TESTSET_CFLAG([[BASE_]PREFIX[FLAGS]], [-Wmissing-noreturn]) 1913XORG_TESTSET_CFLAG([[BASE_]PREFIX[FLAGS]], [-Wmissing-format-attribute]) 1914XORG_TESTSET_CFLAG([[BASE_]PREFIX[FLAGS]], [-Wredundant-decls]) 1915XORG_TESTSET_CFLAG([[BASE_]PREFIX[FLAGS]], [-Wlogical-op]) 1916 1917# These are currently disabled because they are noisy. They will be enabled 1918# in the future once the codebase is sufficiently modernized to silence 1919# them. For now, I don't want them to drown out the other warnings. 1920# XORG_TESTSET_CFLAG([[BASE_]PREFIX[FLAGS]], [-Wparentheses]) 1921# XORG_TESTSET_CFLAG([[BASE_]PREFIX[FLAGS]], [-Wcast-align]) 1922# XORG_TESTSET_CFLAG([[BASE_]PREFIX[FLAGS]], [-Wcast-qual]) 1923 1924# Turn some warnings into errors, so we don't accidently get successful builds 1925# when there are problems that should be fixed. 1926 1927if test "x$SELECTIVE_WERROR" = "xyes" ; then 1928XORG_TESTSET_CFLAG([[BASE_]PREFIX[FLAGS]], [-Werror=implicit], [-errwarn=E_NO_EXPLICIT_TYPE_GIVEN -errwarn=E_NO_IMPLICIT_DECL_ALLOWED]) 1929XORG_TESTSET_CFLAG([[BASE_]PREFIX[FLAGS]], [-Werror=nonnull]) 1930XORG_TESTSET_CFLAG([[BASE_]PREFIX[FLAGS]], [-Werror=init-self]) 1931XORG_TESTSET_CFLAG([[BASE_]PREFIX[FLAGS]], [-Werror=main]) 1932XORG_TESTSET_CFLAG([[BASE_]PREFIX[FLAGS]], [-Werror=missing-braces]) 1933XORG_TESTSET_CFLAG([[BASE_]PREFIX[FLAGS]], [-Werror=sequence-point]) 1934XORG_TESTSET_CFLAG([[BASE_]PREFIX[FLAGS]], [-Werror=return-type], [-errwarn=E_FUNC_HAS_NO_RETURN_STMT]) 1935XORG_TESTSET_CFLAG([[BASE_]PREFIX[FLAGS]], [-Werror=trigraphs]) 1936XORG_TESTSET_CFLAG([[BASE_]PREFIX[FLAGS]], [-Werror=array-bounds]) 1937XORG_TESTSET_CFLAG([[BASE_]PREFIX[FLAGS]], [-Werror=write-strings]) 1938XORG_TESTSET_CFLAG([[BASE_]PREFIX[FLAGS]], [-Werror=address]) 1939XORG_TESTSET_CFLAG([[BASE_]PREFIX[FLAGS]], [-Werror=int-to-pointer-cast], [-errwarn=E_BAD_PTR_INT_COMBINATION]) 1940XORG_TESTSET_CFLAG([[BASE_]PREFIX[FLAGS]], [-Werror=pointer-to-int-cast]) # Also -errwarn=E_BAD_PTR_INT_COMBINATION 1941else 1942AC_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]) 1943XORG_TESTSET_CFLAG([[BASE_]PREFIX[FLAGS]], [-Wimplicit]) 1944XORG_TESTSET_CFLAG([[BASE_]PREFIX[FLAGS]], [-Wnonnull]) 1945XORG_TESTSET_CFLAG([[BASE_]PREFIX[FLAGS]], [-Winit-self]) 1946XORG_TESTSET_CFLAG([[BASE_]PREFIX[FLAGS]], [-Wmain]) 1947XORG_TESTSET_CFLAG([[BASE_]PREFIX[FLAGS]], [-Wmissing-braces]) 1948XORG_TESTSET_CFLAG([[BASE_]PREFIX[FLAGS]], [-Wsequence-point]) 1949XORG_TESTSET_CFLAG([[BASE_]PREFIX[FLAGS]], [-Wreturn-type]) 1950XORG_TESTSET_CFLAG([[BASE_]PREFIX[FLAGS]], [-Wtrigraphs]) 1951XORG_TESTSET_CFLAG([[BASE_]PREFIX[FLAGS]], [-Warray-bounds]) 1952XORG_TESTSET_CFLAG([[BASE_]PREFIX[FLAGS]], [-Wwrite-strings]) 1953XORG_TESTSET_CFLAG([[BASE_]PREFIX[FLAGS]], [-Waddress]) 1954XORG_TESTSET_CFLAG([[BASE_]PREFIX[FLAGS]], [-Wint-to-pointer-cast]) 1955XORG_TESTSET_CFLAG([[BASE_]PREFIX[FLAGS]], [-Wpointer-to-int-cast]) 1956fi 1957 1958AC_SUBST([BASE_]PREFIX[FLAGS]) 1959]) # XORG_COMPILER_FLAGS 1960 1961# XORG_CWARNFLAGS 1962# --------------- 1963# Minimum version: 1.2.0 1964# Deprecated since: 1.16.0 (Use XORG_COMPILER_FLAGS instead) 1965# 1966# Defines CWARNFLAGS to enable C compiler warnings. 1967# 1968# This function is deprecated because it defines -fno-strict-aliasing 1969# which alters the code generated by the compiler. If -fno-strict-aliasing 1970# is needed, then it should be added explicitly in the module when 1971# it is updated to use BASE_CFLAGS. 1972# 1973AC_DEFUN([XORG_CWARNFLAGS], [ 1974AC_REQUIRE([XORG_COMPILER_FLAGS]) 1975AC_REQUIRE([XORG_COMPILER_BRAND]) 1976AC_LANG_CASE( 1977 [C], [ 1978 CWARNFLAGS="$BASE_CFLAGS" 1979 if test "x$GCC" = xyes ; then 1980 CWARNFLAGS="$CWARNFLAGS -fno-strict-aliasing" 1981 fi 1982 AC_SUBST(CWARNFLAGS) 1983 ] 1984) 1985]) # XORG_CWARNFLAGS 1986 1987# XORG_STRICT_OPTION 1988# ----------------------- 1989# Minimum version: 1.3.0 1990# 1991# Add configure option to enable strict compilation flags, such as treating 1992# warnings as fatal errors. 1993# If --enable-strict-compilation is passed to configure, adds strict flags to 1994# $BASE_CFLAGS or $BASE_CXXFLAGS and the deprecated $CWARNFLAGS. 1995# 1996# Starting in 1.14.0 also exports $STRICT_CFLAGS for use in other tests or 1997# when strict compilation is unconditionally desired. 1998AC_DEFUN([XORG_STRICT_OPTION], [ 1999AC_REQUIRE([XORG_CWARNFLAGS]) 2000AC_REQUIRE([XORG_COMPILER_FLAGS]) 2001 2002AC_ARG_ENABLE(strict-compilation, 2003 AS_HELP_STRING([--enable-strict-compilation], 2004 [Enable all warnings from compiler and make them errors (default: disabled)]), 2005 [STRICT_COMPILE=$enableval], [STRICT_COMPILE=no]) 2006 2007AC_LANG_CASE( 2008 [C], [ 2009 define([PREFIX], [C]) 2010 ], 2011 [C++], [ 2012 define([PREFIX], [CXX]) 2013 ] 2014) 2015 2016[STRICT_]PREFIX[FLAGS]="" 2017XORG_TESTSET_CFLAG([[STRICT_]PREFIX[FLAGS]], [-pedantic]) 2018XORG_TESTSET_CFLAG([[STRICT_]PREFIX[FLAGS]], [-Werror], [-errwarn]) 2019 2020# Earlier versions of gcc (eg: 4.2) support -Werror=attributes, but do not 2021# activate it with -Werror, so we add it here explicitly. 2022XORG_TESTSET_CFLAG([[STRICT_]PREFIX[FLAGS]], [-Werror=attributes]) 2023 2024if test "x$STRICT_COMPILE" = "xyes"; then 2025 [BASE_]PREFIX[FLAGS]="$[BASE_]PREFIX[FLAGS] $[STRICT_]PREFIX[FLAGS]" 2026 AC_LANG_CASE([C], [CWARNFLAGS="$CWARNFLAGS $STRICT_CFLAGS"]) 2027fi 2028AC_SUBST([STRICT_]PREFIX[FLAGS]) 2029AC_SUBST([BASE_]PREFIX[FLAGS]) 2030AC_LANG_CASE([C], AC_SUBST([CWARNFLAGS])) 2031]) # XORG_STRICT_OPTION 2032 2033# XORG_DEFAULT_OPTIONS 2034# -------------------- 2035# Minimum version: 1.3.0 2036# 2037# Defines default options for X.Org modules. 2038# 2039AC_DEFUN([XORG_DEFAULT_OPTIONS], [ 2040AC_REQUIRE([AC_PROG_INSTALL]) 2041XORG_COMPILER_FLAGS 2042XORG_CWARNFLAGS 2043XORG_STRICT_OPTION 2044XORG_RELEASE_VERSION 2045XORG_CHANGELOG 2046XORG_INSTALL 2047XORG_MANPAGE_SECTIONS 2048m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])], 2049 [AC_SUBST([AM_DEFAULT_VERBOSITY], [1])]) 2050]) # XORG_DEFAULT_OPTIONS 2051 2052# XORG_INSTALL() 2053# ---------------- 2054# Minimum version: 1.4.0 2055# 2056# Defines the variable INSTALL_CMD as the command to copy 2057# INSTALL from $prefix/share/util-macros. 2058# 2059AC_DEFUN([XORG_INSTALL], [ 2060AC_REQUIRE([PKG_PROG_PKG_CONFIG]) 2061macros_datadir=`$PKG_CONFIG --print-errors --variable=pkgdatadir xorg-macros` 2062INSTALL_CMD="(cp -f "$macros_datadir/INSTALL" \$(top_srcdir)/.INSTALL.tmp && \ 2063mv \$(top_srcdir)/.INSTALL.tmp \$(top_srcdir)/INSTALL) \ 2064|| (rm -f \$(top_srcdir)/.INSTALL.tmp; 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Yes, it's still used 3100# in the wild :-( We should find a proper way to deprecate it ... 3101AC_SUBST([AMTAR], ['$${TAR-tar}']) 3102 3103# We'll loop over all known methods to create a tar archive until one works. 3104_am_tools='gnutar m4_if([$1], [ustar], [plaintar]) pax cpio none' 3105 3106m4_if([$1], [v7], 3107 [am__tar='$${TAR-tar} chof - "$$tardir"' am__untar='$${TAR-tar} xf -'], 3108 3109 [m4_case([$1], 3110 [ustar], 3111 [# The POSIX 1988 'ustar' format is defined with fixed-size fields. 3112 # There is notably a 21 bits limit for the UID and the GID. In fact, 3113 # the 'pax' utility can hang on bigger UID/GID (see automake bug#8343 3114 # and bug#13588). 3115 am_max_uid=2097151 # 2^21 - 1 3116 am_max_gid=$am_max_uid 3117 # The $UID and $GID variables are not portable, so we need to resort 3118 # to the POSIX-mandated id(1) utility. Errors in the 'id' calls 3119 # below are definitely unexpected, so allow the users to see them 3120 # (that is, avoid stderr redirection). 3121 am_uid=`id -u || echo unknown` 3122 am_gid=`id -g || echo unknown` 3123 AC_MSG_CHECKING([whether UID '$am_uid' is supported by ustar format]) 3124 if test $am_uid -le $am_max_uid; then 3125 AC_MSG_RESULT([yes]) 3126 else 3127 AC_MSG_RESULT([no]) 3128 _am_tools=none 3129 fi 3130 AC_MSG_CHECKING([whether GID '$am_gid' is supported by ustar format]) 3131 if test $am_gid -le $am_max_gid; then 3132 AC_MSG_RESULT([yes]) 3133 else 3134 AC_MSG_RESULT([no]) 3135 _am_tools=none 3136 fi], 3137 3138 [pax], 3139 [], 3140 3141 [m4_fatal([Unknown tar format])]) 3142 3143 AC_MSG_CHECKING([how to create a $1 tar archive]) 3144 3145 # Go ahead even if we have the value already cached. We do so because we 3146 # need to set the values for the 'am__tar' and 'am__untar' variables. 3147 _am_tools=${am_cv_prog_tar_$1-$_am_tools} 3148 3149 for _am_tool in $_am_tools; do 3150 case $_am_tool in 3151 gnutar) 3152 for _am_tar in tar gnutar gtar; do 3153 AM_RUN_LOG([$_am_tar --version]) && break 3154 done 3155 am__tar="$_am_tar --format=m4_if([$1], [pax], [posix], [$1]) -chf - "'"$$tardir"' 3156 am__tar_="$_am_tar --format=m4_if([$1], [pax], [posix], [$1]) -chf - "'"$tardir"' 3157 am__untar="$_am_tar -xf -" 3158 ;; 3159 plaintar) 3160 # Must skip GNU tar: if it does not support --format= it doesn't create 3161 # ustar tarball either. 3162 (tar --version) >/dev/null 2>&1 && continue 3163 am__tar='tar chf - "$$tardir"' 3164 am__tar_='tar chf - "$tardir"' 3165 am__untar='tar xf -' 3166 ;; 3167 pax) 3168 am__tar='pax -L -x $1 -w "$$tardir"' 3169 am__tar_='pax -L -x $1 -w "$tardir"' 3170 am__untar='pax -r' 3171 ;; 3172 cpio) 3173 am__tar='find "$$tardir" -print | cpio -o -H $1 -L' 3174 am__tar_='find "$tardir" -print | cpio -o -H $1 -L' 3175 am__untar='cpio -i -H $1 -d' 3176 ;; 3177 none) 3178 am__tar=false 3179 am__tar_=false 3180 am__untar=false 3181 ;; 3182 esac 3183 3184 # If the value was cached, stop now. We just wanted to have am__tar 3185 # and am__untar set. 3186 test -n "${am_cv_prog_tar_$1}" && break 3187 3188 # tar/untar a dummy directory, and stop if the command works. 3189 rm -rf conftest.dir 3190 mkdir conftest.dir 3191 echo GrepMe > conftest.dir/file 3192 AM_RUN_LOG([tardir=conftest.dir && eval $am__tar_ >conftest.tar]) 3193 rm -rf conftest.dir 3194 if test -s conftest.tar; then 3195 AM_RUN_LOG([$am__untar <conftest.tar]) 3196 AM_RUN_LOG([cat conftest.dir/file]) 3197 grep GrepMe conftest.dir/file >/dev/null 2>&1 && break 3198 fi 3199 done 3200 rm -rf conftest.dir 3201 3202 AC_CACHE_VAL([am_cv_prog_tar_$1], [am_cv_prog_tar_$1=$_am_tool]) 3203 AC_MSG_RESULT([$am_cv_prog_tar_$1])]) 3204 3205AC_SUBST([am__tar]) 3206AC_SUBST([am__untar]) 3207]) # _AM_PROG_TAR 3208 3209