aclocal.m4 revision 34345a63
1# generated automatically by aclocal 1.11 -*- Autoconf -*- 2 3# Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 4# 2005, 2006, 2007, 2008, 2009 Free Software Foundation, Inc. 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_AUTOCONF_VERSION], 15 [m4_copy([m4_PACKAGE_VERSION], [AC_AUTOCONF_VERSION])])dnl 16m4_if(m4_defn([AC_AUTOCONF_VERSION]), [2.63],, 17[m4_warning([this file was generated for autoconf 2.63. 18You have another version of autoconf. It may work, but is not guaranteed to. 19If you have problems, you may need to regenerate the build system entirely. 20To do so, use the procedure documented by the package, typically `autoreconf'.])]) 21 22# pkg.m4 - Macros to locate and utilise pkg-config. -*- Autoconf -*- 23# 24# Copyright © 2004 Scott James Remnant <scott@netsplit.com>. 25# 26# This program is free software; you can redistribute it and/or modify 27# it under the terms of the GNU General Public License as published by 28# the Free Software Foundation; either version 2 of the License, or 29# (at your option) any later version. 30# 31# This program is distributed in the hope that it will be useful, but 32# WITHOUT ANY WARRANTY; without even the implied warranty of 33# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 34# General Public License for more details. 35# 36# You should have received a copy of the GNU General Public License 37# along with this program; if not, write to the Free Software 38# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. 39# 40# As a special exception to the GNU General Public License, if you 41# distribute this file as part of a program that contains a 42# configuration script generated by Autoconf, you may include it under 43# the same distribution terms that you use for the rest of that program. 44 45# PKG_PROG_PKG_CONFIG([MIN-VERSION]) 46# ---------------------------------- 47AC_DEFUN([PKG_PROG_PKG_CONFIG], 48[m4_pattern_forbid([^_?PKG_[A-Z_]+$]) 49m4_pattern_allow([^PKG_CONFIG(_PATH)?$]) 50AC_ARG_VAR([PKG_CONFIG], [path to pkg-config utility])dnl 51if test "x$ac_cv_env_PKG_CONFIG_set" != "xset"; then 52 AC_PATH_TOOL([PKG_CONFIG], [pkg-config]) 53fi 54if test -n "$PKG_CONFIG"; then 55 _pkg_min_version=m4_default([$1], [0.9.0]) 56 AC_MSG_CHECKING([pkg-config is at least version $_pkg_min_version]) 57 if $PKG_CONFIG --atleast-pkgconfig-version $_pkg_min_version; then 58 AC_MSG_RESULT([yes]) 59 else 60 AC_MSG_RESULT([no]) 61 PKG_CONFIG="" 62 fi 63 64fi[]dnl 65])# PKG_PROG_PKG_CONFIG 66 67# PKG_CHECK_EXISTS(MODULES, [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND]) 68# 69# Check to see whether a particular set of modules exists. Similar 70# to PKG_CHECK_MODULES(), but does not set variables or print errors. 71# 72# 73# Similar to PKG_CHECK_MODULES, make sure that the first instance of 74# this or PKG_CHECK_MODULES is called, or make sure to call 75# PKG_CHECK_EXISTS manually 76# -------------------------------------------------------------- 77AC_DEFUN([PKG_CHECK_EXISTS], 78[AC_REQUIRE([PKG_PROG_PKG_CONFIG])dnl 79if test -n "$PKG_CONFIG" && \ 80 AC_RUN_LOG([$PKG_CONFIG --exists --print-errors "$1"]); then 81 m4_ifval([$2], [$2], [:]) 82m4_ifvaln([$3], [else 83 $3])dnl 84fi]) 85 86 87# _PKG_CONFIG([VARIABLE], [COMMAND], [MODULES]) 88# --------------------------------------------- 89m4_define([_PKG_CONFIG], 90[if test -n "$$1"; then 91 pkg_cv_[]$1="$$1" 92 elif test -n "$PKG_CONFIG"; then 93 PKG_CHECK_EXISTS([$3], 94 [pkg_cv_[]$1=`$PKG_CONFIG --[]$2 "$3" 2>/dev/null`], 95 [pkg_failed=yes]) 96 else 97 pkg_failed=untried 98fi[]dnl 99])# _PKG_CONFIG 100 101# _PKG_SHORT_ERRORS_SUPPORTED 102# ----------------------------- 103AC_DEFUN([_PKG_SHORT_ERRORS_SUPPORTED], 104[AC_REQUIRE([PKG_PROG_PKG_CONFIG]) 105if $PKG_CONFIG --atleast-pkgconfig-version 0.20; then 106 _pkg_short_errors_supported=yes 107else 108 _pkg_short_errors_supported=no 109fi[]dnl 110])# _PKG_SHORT_ERRORS_SUPPORTED 111 112 113# PKG_CHECK_MODULES(VARIABLE-PREFIX, MODULES, [ACTION-IF-FOUND], 114# [ACTION-IF-NOT-FOUND]) 115# 116# 117# Note that if there is a possibility the first call to 118# PKG_CHECK_MODULES might not happen, you should be sure to include an 119# explicit call to PKG_PROG_PKG_CONFIG in your configure.ac 120# 121# 122# -------------------------------------------------------------- 123AC_DEFUN([PKG_CHECK_MODULES], 124[AC_REQUIRE([PKG_PROG_PKG_CONFIG])dnl 125AC_ARG_VAR([$1][_CFLAGS], [C compiler flags for $1, overriding pkg-config])dnl 126AC_ARG_VAR([$1][_LIBS], [linker flags for $1, overriding pkg-config])dnl 127 128pkg_failed=no 129AC_MSG_CHECKING([for $1]) 130 131_PKG_CONFIG([$1][_CFLAGS], [cflags], [$2]) 132_PKG_CONFIG([$1][_LIBS], [libs], [$2]) 133 134m4_define([_PKG_TEXT], [Alternatively, you may set the environment variables $1[]_CFLAGS 135and $1[]_LIBS to avoid the need to call pkg-config. 136See the pkg-config man page for more details.]) 137 138if test $pkg_failed = yes; then 139 _PKG_SHORT_ERRORS_SUPPORTED 140 if test $_pkg_short_errors_supported = yes; then 141 $1[]_PKG_ERRORS=`$PKG_CONFIG --short-errors --print-errors "$2" 2>&1` 142 else 143 $1[]_PKG_ERRORS=`$PKG_CONFIG --print-errors "$2" 2>&1` 144 fi 145 # Put the nasty error message in config.log where it belongs 146 echo "$$1[]_PKG_ERRORS" >&AS_MESSAGE_LOG_FD 147 148 ifelse([$4], , [AC_MSG_ERROR(dnl 149[Package requirements ($2) were not met: 150 151$$1_PKG_ERRORS 152 153Consider adjusting the PKG_CONFIG_PATH environment variable if you 154installed software in a non-standard prefix. 155 156_PKG_TEXT 157])], 158 [AC_MSG_RESULT([no]) 159 $4]) 160elif test $pkg_failed = untried; then 161 ifelse([$4], , [AC_MSG_FAILURE(dnl 162[The pkg-config script could not be found or is too old. Make sure it 163is in your PATH or set the PKG_CONFIG environment variable to the full 164path to pkg-config. 165 166_PKG_TEXT 167 168To get pkg-config, see <http://pkg-config.freedesktop.org/>.])], 169 [$4]) 170else 171 $1[]_CFLAGS=$pkg_cv_[]$1[]_CFLAGS 172 $1[]_LIBS=$pkg_cv_[]$1[]_LIBS 173 AC_MSG_RESULT([yes]) 174 ifelse([$3], , :, [$3]) 175fi[]dnl 176])# PKG_CHECK_MODULES 177 178dnl xorg-macros.m4. Generated from xorg-macros.m4.in xorgversion.m4 by configure. 179dnl 180dnl Copyright 2005-2006 Sun Microsystems, Inc. All rights reserved. 181dnl 182dnl Permission is hereby granted, free of charge, to any person obtaining a 183dnl copy of this software and associated documentation files (the 184dnl "Software"), to deal in the Software without restriction, including 185dnl without limitation the rights to use, copy, modify, merge, publish, 186dnl distribute, and/or sell copies of the Software, and to permit persons 187dnl to whom the Software is furnished to do so, provided that the above 188dnl copyright notice(s) and this permission notice appear in all copies of 189dnl the Software and that both the above copyright notice(s) and this 190dnl permission notice appear in supporting documentation. 191dnl 192dnl THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS 193dnl OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 194dnl MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT 195dnl OF THIRD PARTY RIGHTS. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR 196dnl HOLDERS INCLUDED IN THIS NOTICE BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL 197dnl INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER RESULTING 198dnl FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, 199dnl NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION 200dnl WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 201dnl 202dnl Except as contained in this notice, the name of a copyright holder 203dnl shall not be used in advertising or otherwise to promote the sale, use 204dnl or other dealings in this Software without prior written authorization 205dnl of the copyright holder. 206 207# XORG_MACROS_VERSION(required-version) 208# ------------------------------------- 209# Minimum version: 1.1.0 210# 211# If you're using a macro added in Version 1.1 or newer, include this in 212# your configure.ac with the minimum required version, such as: 213# XORG_MACROS_VERSION(1.1) 214# 215# To force at least a version with this macro defined, also add: 216# m4_ifndef([XORG_MACROS_VERSION], [AC_FATAL([must install xorg-macros 1.1 or later before running autoconf/autogen])]) 217# 218# 219# See the "minimum version" comment for each macro you use to see what 220# version you require. 221AC_DEFUN([XORG_MACROS_VERSION],[ 222 [XORG_MACROS_needed_version=$1 223 XORG_MACROS_needed_major=`echo $XORG_MACROS_needed_version | sed 's/\..*$//'` 224 XORG_MACROS_needed_minor=`echo $XORG_MACROS_needed_version | sed -e 's/^[0-9]*\.//' -e 's/\..*$//'`] 225 AC_MSG_CHECKING([if xorg-macros used to generate configure is at least ${XORG_MACROS_needed_major}.${XORG_MACROS_needed_minor}]) 226 [XORG_MACROS_version=1.2.1 227 XORG_MACROS_major=`echo $XORG_MACROS_version | sed 's/\..*$//'` 228 XORG_MACROS_minor=`echo $XORG_MACROS_version | sed -e 's/^[0-9]*\.//' -e 's/\..*$//'`] 229 if test $XORG_MACROS_major -ne $XORG_MACROS_needed_major ; then 230 AC_MSG_ERROR([configure built with incompatible version of xorg-macros.m4 - requires version ${XORG_MACROS_major}.x]) 231 fi 232 if test $XORG_MACROS_minor -lt $XORG_MACROS_needed_minor ; then 233 AC_MSG_ERROR([configure built with too old of a version of xorg-macros.m4 - requires version ${XORG_MACROS_major}.${XORG_MACROS_minor}.0 or newer]) 234 fi 235 AC_MSG_RESULT([yes, $XORG_MACROS_version]) 236]) # XORG_MACROS_VERSION 237 238# XORG_PROG_RAWCPP() 239# ------------------ 240# Minimum version: 1.0.0 241# 242# Find cpp program and necessary flags for use in pre-processing text files 243# such as man pages and config files 244AC_DEFUN([XORG_PROG_RAWCPP],[ 245AC_REQUIRE([AC_PROG_CPP]) 246AC_PATH_PROGS(RAWCPP, [cpp], [${CPP}], 247 [$PATH:/bin:/usr/bin:/usr/lib:/usr/libexec:/usr/ccs/lib:/usr/ccs/lbin:/lib]) 248 249# Check for flag to avoid builtin definitions - assumes unix is predefined, 250# which is not the best choice for supporting other OS'es, but covers most 251# of the ones we need for now. 252AC_MSG_CHECKING([if $RAWCPP requires -undef]) 253AC_LANG_CONFTEST([Does cpp redefine unix ?]) 254if test `${RAWCPP} < conftest.$ac_ext | grep -c 'unix'` -eq 1 ; then 255 AC_MSG_RESULT([no]) 256else 257 if test `${RAWCPP} -undef < conftest.$ac_ext | grep -c 'unix'` -eq 1 ; then 258 RAWCPPFLAGS=-undef 259 AC_MSG_RESULT([yes]) 260 # under Cygwin unix is still defined even with -undef 261 elif test `${RAWCPP} -undef -ansi < conftest.$ac_ext | grep -c 'unix'` -eq 1 ; then 262 RAWCPPFLAGS="-undef -ansi" 263 AC_MSG_RESULT([yes, with -ansi]) 264 else 265 AC_MSG_ERROR([${RAWCPP} defines unix with or without -undef. I don't know what to do.]) 266 fi 267fi 268rm -f conftest.$ac_ext 269 270AC_MSG_CHECKING([if $RAWCPP requires -traditional]) 271AC_LANG_CONFTEST([Does cpp preserve "whitespace"?]) 272if test `${RAWCPP} < conftest.$ac_ext | grep -c 'preserve \"'` -eq 1 ; then 273 AC_MSG_RESULT([no]) 274else 275 if test `${RAWCPP} -traditional < conftest.$ac_ext | grep -c 'preserve \"'` -eq 1 ; then 276 RAWCPPFLAGS="${RAWCPPFLAGS} -traditional" 277 AC_MSG_RESULT([yes]) 278 else 279 AC_MSG_ERROR([${RAWCPP} does not preserve whitespace with or without -traditional. I don't know what to do.]) 280 fi 281fi 282rm -f conftest.$ac_ext 283AC_SUBST(RAWCPPFLAGS) 284]) # XORG_PROG_RAWCPP 285 286# XORG_MANPAGE_SECTIONS() 287# ----------------------- 288# Minimum version: 1.0.0 289# 290# Determine which sections man pages go in for the different man page types 291# on this OS - replaces *ManSuffix settings in old Imake *.cf per-os files. 292# Not sure if there's any better way than just hardcoding by OS name. 293# Override default settings by setting environment variables 294 295AC_DEFUN([XORG_MANPAGE_SECTIONS],[ 296AC_REQUIRE([AC_CANONICAL_HOST]) 297 298if test x$APP_MAN_SUFFIX = x ; then 299 APP_MAN_SUFFIX=1 300fi 301if test x$APP_MAN_DIR = x ; then 302 APP_MAN_DIR='$(mandir)/man$(APP_MAN_SUFFIX)' 303fi 304 305if test x$LIB_MAN_SUFFIX = x ; then 306 LIB_MAN_SUFFIX=3 307fi 308if test x$LIB_MAN_DIR = x ; then 309 LIB_MAN_DIR='$(mandir)/man$(LIB_MAN_SUFFIX)' 310fi 311 312if test x$FILE_MAN_SUFFIX = x ; then 313 case $host_os in 314 solaris*) FILE_MAN_SUFFIX=4 ;; 315 *) FILE_MAN_SUFFIX=5 ;; 316 esac 317fi 318if test x$FILE_MAN_DIR = x ; then 319 FILE_MAN_DIR='$(mandir)/man$(FILE_MAN_SUFFIX)' 320fi 321 322if test x$MISC_MAN_SUFFIX = x ; then 323 case $host_os in 324 solaris*) MISC_MAN_SUFFIX=5 ;; 325 *) MISC_MAN_SUFFIX=7 ;; 326 esac 327fi 328if test x$MISC_MAN_DIR = x ; then 329 MISC_MAN_DIR='$(mandir)/man$(MISC_MAN_SUFFIX)' 330fi 331 332if test x$DRIVER_MAN_SUFFIX = x ; then 333 case $host_os in 334 solaris*) DRIVER_MAN_SUFFIX=7 ;; 335 *) DRIVER_MAN_SUFFIX=4 ;; 336 esac 337fi 338if test x$DRIVER_MAN_DIR = x ; then 339 DRIVER_MAN_DIR='$(mandir)/man$(DRIVER_MAN_SUFFIX)' 340fi 341 342if test x$ADMIN_MAN_SUFFIX = x ; then 343 case $host_os in 344 solaris*) ADMIN_MAN_SUFFIX=1m ;; 345 *) ADMIN_MAN_SUFFIX=8 ;; 346 esac 347fi 348if test x$ADMIN_MAN_DIR = x ; then 349 ADMIN_MAN_DIR='$(mandir)/man$(ADMIN_MAN_SUFFIX)' 350fi 351 352 353AC_SUBST([APP_MAN_SUFFIX]) 354AC_SUBST([LIB_MAN_SUFFIX]) 355AC_SUBST([FILE_MAN_SUFFIX]) 356AC_SUBST([MISC_MAN_SUFFIX]) 357AC_SUBST([DRIVER_MAN_SUFFIX]) 358AC_SUBST([ADMIN_MAN_SUFFIX]) 359AC_SUBST([APP_MAN_DIR]) 360AC_SUBST([LIB_MAN_DIR]) 361AC_SUBST([FILE_MAN_DIR]) 362AC_SUBST([MISC_MAN_DIR]) 363AC_SUBST([DRIVER_MAN_DIR]) 364AC_SUBST([ADMIN_MAN_DIR]) 365]) # XORG_MANPAGE_SECTIONS 366 367# XORG_CHECK_LINUXDOC 368# ------------------- 369# Minimum version: 1.0.0 370# 371# Defines the variable MAKE_TEXT if the necessary tools and 372# files are found. $(MAKE_TEXT) blah.sgml will then produce blah.txt. 373# Whether or not the necessary tools and files are found can be checked 374# with the AM_CONDITIONAL "BUILD_LINUXDOC" 375AC_DEFUN([XORG_CHECK_LINUXDOC],[ 376if test x$XORG_SGML_PATH = x ; then 377 XORG_SGML_PATH=$prefix/share/sgml 378fi 379HAVE_DEFS_ENT= 380 381if test x"$cross_compiling" = x"yes" ; then 382 HAVE_DEFS_ENT=no 383else 384 AC_CHECK_FILE([$XORG_SGML_PATH/X11/defs.ent], [HAVE_DEFS_ENT=yes]) 385fi 386 387AC_PATH_PROG(LINUXDOC, linuxdoc) 388AC_PATH_PROG(PS2PDF, ps2pdf) 389 390AC_MSG_CHECKING([Whether to build documentation]) 391 392if test x$HAVE_DEFS_ENT != x && test x$LINUXDOC != x ; then 393 BUILDDOC=yes 394else 395 BUILDDOC=no 396fi 397 398AM_CONDITIONAL(BUILD_LINUXDOC, [test x$BUILDDOC = xyes]) 399 400AC_MSG_RESULT([$BUILDDOC]) 401 402AC_MSG_CHECKING([Whether to build pdf documentation]) 403 404if test x$PS2PDF != x && test x$BUILD_PDFDOC != xno; then 405 BUILDPDFDOC=yes 406else 407 BUILDPDFDOC=no 408fi 409 410AM_CONDITIONAL(BUILD_PDFDOC, [test x$BUILDPDFDOC = xyes]) 411 412AC_MSG_RESULT([$BUILDPDFDOC]) 413 414MAKE_TEXT="SGML_SEARCH_PATH=$XORG_SGML_PATH GROFF_NO_SGR=y $LINUXDOC -B txt" 415MAKE_PS="SGML_SEARCH_PATH=$XORG_SGML_PATH $LINUXDOC -B latex --papersize=letter --output=ps" 416MAKE_PDF="$PS2PDF" 417MAKE_HTML="SGML_SEARCH_PATH=$XORG_SGML_PATH $LINUXDOC -B html --split=0" 418 419AC_SUBST(MAKE_TEXT) 420AC_SUBST(MAKE_PS) 421AC_SUBST(MAKE_PDF) 422AC_SUBST(MAKE_HTML) 423]) # XORG_CHECK_LINUXDOC 424 425# XORG_CHECK_DOCBOOK 426# ------------------- 427# Minimum version: 1.0.0 428# 429# Checks for the ability to build output formats from SGML DocBook source. 430# For XXX in {TXT, PDF, PS, HTML}, the AM_CONDITIONAL "BUILD_XXXDOC" 431# indicates whether the necessary tools and files are found and, if set, 432# $(MAKE_XXX) blah.sgml will produce blah.xxx. 433AC_DEFUN([XORG_CHECK_DOCBOOK],[ 434if test x$XORG_SGML_PATH = x ; then 435 XORG_SGML_PATH=$prefix/share/sgml 436fi 437HAVE_DEFS_ENT= 438BUILDTXTDOC=no 439BUILDPDFDOC=no 440BUILDPSDOC=no 441BUILDHTMLDOC=no 442 443AC_CHECK_FILE([$XORG_SGML_PATH/X11/defs.ent], [HAVE_DEFS_ENT=yes]) 444 445AC_PATH_PROG(DOCBOOKPS, docbook2ps) 446AC_PATH_PROG(DOCBOOKPDF, docbook2pdf) 447AC_PATH_PROG(DOCBOOKHTML, docbook2html) 448AC_PATH_PROG(DOCBOOKTXT, docbook2txt) 449 450AC_MSG_CHECKING([Whether to build text documentation]) 451if test x$HAVE_DEFS_ENT != x && test x$DOCBOOKTXT != x && 452 test x$BUILD_TXTDOC != xno; then 453 BUILDTXTDOC=yes 454fi 455AM_CONDITIONAL(BUILD_TXTDOC, [test x$BUILDTXTDOC = xyes]) 456AC_MSG_RESULT([$BUILDTXTDOC]) 457 458AC_MSG_CHECKING([Whether to build PDF documentation]) 459if test x$HAVE_DEFS_ENT != x && test x$DOCBOOKPDF != x && 460 test x$BUILD_PDFDOC != xno; then 461 BUILDPDFDOC=yes 462fi 463AM_CONDITIONAL(BUILD_PDFDOC, [test x$BUILDPDFDOC = xyes]) 464AC_MSG_RESULT([$BUILDPDFDOC]) 465 466AC_MSG_CHECKING([Whether to build PostScript documentation]) 467if test x$HAVE_DEFS_ENT != x && test x$DOCBOOKPS != x && 468 test x$BUILD_PSDOC != xno; then 469 BUILDPSDOC=yes 470fi 471AM_CONDITIONAL(BUILD_PSDOC, [test x$BUILDPSDOC = xyes]) 472AC_MSG_RESULT([$BUILDPSDOC]) 473 474AC_MSG_CHECKING([Whether to build HTML documentation]) 475if test x$HAVE_DEFS_ENT != x && test x$DOCBOOKHTML != x && 476 test x$BUILD_HTMLDOC != xno; then 477 BUILDHTMLDOC=yes 478fi 479AM_CONDITIONAL(BUILD_HTMLDOC, [test x$BUILDHTMLDOC = xyes]) 480AC_MSG_RESULT([$BUILDHTMLDOC]) 481 482MAKE_TEXT="SGML_SEARCH_PATH=$XORG_SGML_PATH $DOCBOOKTXT" 483MAKE_PS="SGML_SEARCH_PATH=$XORG_SGML_PATH $DOCBOOKPS" 484MAKE_PDF="SGML_SEARCH_PATH=$XORG_SGML_PATH $DOCBOOKPDF" 485MAKE_HTML="SGML_SEARCH_PATH=$XORG_SGML_PATH $DOCBOOKHTML" 486 487AC_SUBST(MAKE_TEXT) 488AC_SUBST(MAKE_PS) 489AC_SUBST(MAKE_PDF) 490AC_SUBST(MAKE_HTML) 491]) # XORG_CHECK_DOCBOOK 492 493# XORG_CHECK_MALLOC_ZERO 494# ---------------------- 495# Minimum version: 1.0.0 496# 497# Defines {MALLOC,XMALLOC,XTMALLOC}_ZERO_CFLAGS appropriately if 498# malloc(0) returns NULL. Packages should add one of these cflags to 499# their AM_CFLAGS (or other appropriate *_CFLAGS) to use them. 500AC_DEFUN([XORG_CHECK_MALLOC_ZERO],[ 501AC_ARG_ENABLE(malloc0returnsnull, 502 AC_HELP_STRING([--enable-malloc0returnsnull], 503 [malloc(0) returns NULL (default: auto)]), 504 [MALLOC_ZERO_RETURNS_NULL=$enableval], 505 [MALLOC_ZERO_RETURNS_NULL=auto]) 506 507AC_MSG_CHECKING([whether malloc(0) returns NULL]) 508if test "x$MALLOC_ZERO_RETURNS_NULL" = xauto; then 509 AC_RUN_IFELSE([ 510char *malloc(); 511char *realloc(); 512char *calloc(); 513main() { 514 char *m0, *r0, *c0, *p; 515 m0 = malloc(0); 516 p = malloc(10); 517 r0 = realloc(p,0); 518 c0 = calloc(0); 519 exit(m0 == 0 || r0 == 0 || c0 == 0 ? 0 : 1); 520}], 521 [MALLOC_ZERO_RETURNS_NULL=yes], 522 [MALLOC_ZERO_RETURNS_NULL=no]) 523fi 524AC_MSG_RESULT([$MALLOC_ZERO_RETURNS_NULL]) 525 526if test "x$MALLOC_ZERO_RETURNS_NULL" = xyes; then 527 MALLOC_ZERO_CFLAGS="-DMALLOC_0_RETURNS_NULL" 528 XMALLOC_ZERO_CFLAGS=$MALLOC_ZERO_CFLAGS 529 XTMALLOC_ZERO_CFLAGS="$MALLOC_ZERO_CFLAGS -DXTMALLOC_BC" 530else 531 MALLOC_ZERO_CFLAGS="" 532 XMALLOC_ZERO_CFLAGS="" 533 XTMALLOC_ZERO_CFLAGS="" 534fi 535 536AC_SUBST([MALLOC_ZERO_CFLAGS]) 537AC_SUBST([XMALLOC_ZERO_CFLAGS]) 538AC_SUBST([XTMALLOC_ZERO_CFLAGS]) 539]) # XORG_CHECK_MALLOC_ZERO 540 541# XORG_WITH_LINT() 542# ---------------- 543# Minimum version: 1.1.0 544# 545# Sets up flags for source checkers such as lint and sparse if --with-lint 546# is specified. (Use --with-lint=sparse for sparse.) 547# Sets $LINT to name of source checker passed with --with-lint (default: lint) 548# Sets $LINT_FLAGS to flags to pass to source checker 549# Sets LINT automake conditional if enabled (default: disabled) 550# 551AC_DEFUN([XORG_WITH_LINT],[ 552 553# Allow checking code with lint, sparse, etc. 554AC_ARG_WITH(lint, [AC_HELP_STRING([--with-lint], 555 [Use a lint-style source code checker (default: disabled)])], 556 [use_lint=$withval], [use_lint=no]) 557if test "x$use_lint" = "xyes" ; then 558 LINT="lint" 559else 560 LINT="$use_lint" 561fi 562if test "x$LINT_FLAGS" = "x" -a "x$LINT" != "xno" ; then 563 case $LINT in 564 lint|*/lint) 565 case $host_os in 566 solaris*) 567 LINT_FLAGS="-u -b -h -erroff=E_INDISTING_FROM_TRUNC2" 568 ;; 569 esac 570 ;; 571 esac 572fi 573 574AC_SUBST(LINT) 575AC_SUBST(LINT_FLAGS) 576AM_CONDITIONAL(LINT, [test x$LINT != xno]) 577 578]) # XORG_WITH_LINT 579 580# XORG_LINT_LIBRARY(LIBNAME) 581# -------------------------- 582# Minimum version: 1.1.0 583# 584# Sets up flags for building lint libraries for checking programs that call 585# functions in the library. 586# Disabled by default, enable with --enable-lint-library 587# Sets: 588# @LINTLIB@ - name of lint library file to make 589# MAKE_LINT_LIB - automake conditional 590# 591 592AC_DEFUN([XORG_LINT_LIBRARY],[ 593AC_REQUIRE([XORG_WITH_LINT]) 594# Build lint "library" for more indepth checks of programs calling this library 595AC_ARG_ENABLE(lint-library, [AC_HELP_STRING([--enable-lint-library], 596 [Create lint library (default: disabled)])], 597 [make_lint_lib=$enableval], [make_lint_lib=no]) 598if test "x$make_lint_lib" != "xno" ; then 599 if test "x$LINT" = "xno" ; then 600 AC_MSG_ERROR([Cannot make lint library without --with-lint]) 601 fi 602 if test "x$make_lint_lib" = "xyes" ; then 603 LINTLIB=llib-l$1.ln 604 else 605 LINTLIB=$make_lint_lib 606 fi 607fi 608AC_SUBST(LINTLIB) 609AM_CONDITIONAL(MAKE_LINT_LIB, [test x$make_lint_lib != xno]) 610 611]) # XORG_LINT_LIBRARY 612 613# XORG_CWARNFLAGS 614# --------------- 615# Minimum version: 1.2.0 616# 617# Defines CWARNFLAGS to enable C compiler warnings. 618# 619AC_DEFUN([XORG_CWARNFLAGS], [ 620AC_REQUIRE([AC_PROG_CC]) 621if test "x$GCC" = xyes ; then 622 CWARNFLAGS="-Wall -Wpointer-arith -Wstrict-prototypes -Wmissing-prototypes \ 623-Wmissing-declarations -Wnested-externs -fno-strict-aliasing \ 624-Wbad-function-cast" 625 case `gcc -dumpversion` in 626 3.4.* | 4.*) 627 CWARNFLAGS+=" -Wold-style-definition -Wdeclaration-after-statement" 628 ;; 629 esac 630else 631 AC_CHECK_DECL([__SUNPRO_C], [SUNCC="yes"], [SUNCC="no"]) 632 if test "x$SUNCC" = "xyes"; then 633 CWARNFLAGS="-v" 634 fi 635fi 636AC_SUBST(CWARNFLAGS) 637]) # XORG_CWARNFLAGS 638dnl Copyright 2005 Red Hat, Inc 639dnl 640dnl Permission to use, copy, modify, distribute, and sell this software and its 641dnl documentation for any purpose is hereby granted without fee, provided that 642dnl the above copyright notice appear in all copies and that both that 643dnl copyright notice and this permission notice appear in supporting 644dnl documentation. 645dnl 646dnl The above copyright notice and this permission notice shall be included 647dnl in all copies or substantial portions of the Software. 648dnl 649dnl THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS 650dnl OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 651dnl MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. 652dnl IN NO EVENT SHALL THE OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR 653dnl OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 654dnl ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 655dnl OTHER DEALINGS IN THE SOFTWARE. 656dnl 657dnl Except as contained in this notice, the name of the copyright holders shall 658dnl not be used in advertising or otherwise to promote the sale, use or 659dnl other dealings in this Software without prior written authorization 660dnl from the copyright holders. 661dnl 662 663# XORG_RELEASE_VERSION 664# -------------------- 665# Adds --with/without-release-string and changes the PACKAGE and 666# PACKAGE_TARNAME to use "$PACKAGE{_TARNAME}-$RELEASE_VERSION". If 667# no option is given, PACKAGE and PACKAGE_TARNAME are unchanged. 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