aclocal.m4 revision b1297603
1# generated automatically by aclocal 1.9.6 -*- Autoconf -*- 2 3# Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 4# 2005 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 14# pkg.m4 - Macros to locate and utilise pkg-config. -*- Autoconf -*- 15# 16# Copyright © 2004 Scott James Remnant <scott@netsplit.com>. 17# 18# This program is free software; you can redistribute it and/or modify 19# it under the terms of the GNU General Public License as published by 20# the Free Software Foundation; either version 2 of the License, or 21# (at your option) any later version. 22# 23# This program is distributed in the hope that it will be useful, but 24# WITHOUT ANY WARRANTY; without even the implied warranty of 25# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 26# General Public License for more details. 27# 28# You should have received a copy of the GNU General Public License 29# along with this program; if not, write to the Free Software 30# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. 31# 32# As a special exception to the GNU General Public License, if you 33# distribute this file as part of a program that contains a 34# configuration script generated by Autoconf, you may include it under 35# the same distribution terms that you use for the rest of that program. 36 37# PKG_PROG_PKG_CONFIG([MIN-VERSION]) 38# ---------------------------------- 39AC_DEFUN([PKG_PROG_PKG_CONFIG], 40[m4_pattern_forbid([^_?PKG_[A-Z_]+$]) 41m4_pattern_allow([^PKG_CONFIG(_PATH)?$]) 42AC_ARG_VAR([PKG_CONFIG], [path to pkg-config utility])dnl 43if test "x$ac_cv_env_PKG_CONFIG_set" != "xset"; then 44 AC_PATH_TOOL([PKG_CONFIG], [pkg-config]) 45fi 46if test -n "$PKG_CONFIG"; then 47 _pkg_min_version=m4_default([$1], [0.9.0]) 48 AC_MSG_CHECKING([pkg-config is at least version $_pkg_min_version]) 49 if $PKG_CONFIG --atleast-pkgconfig-version $_pkg_min_version; then 50 AC_MSG_RESULT([yes]) 51 else 52 AC_MSG_RESULT([no]) 53 PKG_CONFIG="" 54 fi 55 56fi[]dnl 57])# PKG_PROG_PKG_CONFIG 58 59# PKG_CHECK_EXISTS(MODULES, [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND]) 60# 61# Check to see whether a particular set of modules exists. Similar 62# to PKG_CHECK_MODULES(), but does not set variables or print errors. 63# 64# 65# Similar to PKG_CHECK_MODULES, make sure that the first instance of 66# this or PKG_CHECK_MODULES is called, or make sure to call 67# PKG_CHECK_EXISTS manually 68# -------------------------------------------------------------- 69AC_DEFUN([PKG_CHECK_EXISTS], 70[AC_REQUIRE([PKG_PROG_PKG_CONFIG])dnl 71if test -n "$PKG_CONFIG" && \ 72 AC_RUN_LOG([$PKG_CONFIG --exists --print-errors "$1"]); then 73 m4_ifval([$2], [$2], [:]) 74m4_ifvaln([$3], [else 75 $3])dnl 76fi]) 77 78 79# _PKG_CONFIG([VARIABLE], [COMMAND], [MODULES]) 80# --------------------------------------------- 81m4_define([_PKG_CONFIG], 82[if test -n "$PKG_CONFIG"; then 83 if test -n "$$1"; then 84 pkg_cv_[]$1="$$1" 85 else 86 PKG_CHECK_EXISTS([$3], 87 [pkg_cv_[]$1=`$PKG_CONFIG --[]$2 "$3" 2>/dev/null`], 88 [pkg_failed=yes]) 89 fi 90else 91 pkg_failed=untried 92fi[]dnl 93])# _PKG_CONFIG 94 95# _PKG_SHORT_ERRORS_SUPPORTED 96# ----------------------------- 97AC_DEFUN([_PKG_SHORT_ERRORS_SUPPORTED], 98[AC_REQUIRE([PKG_PROG_PKG_CONFIG]) 99if $PKG_CONFIG --atleast-pkgconfig-version 0.20; then 100 _pkg_short_errors_supported=yes 101else 102 _pkg_short_errors_supported=no 103fi[]dnl 104])# _PKG_SHORT_ERRORS_SUPPORTED 105 106 107# PKG_CHECK_MODULES(VARIABLE-PREFIX, MODULES, [ACTION-IF-FOUND], 108# [ACTION-IF-NOT-FOUND]) 109# 110# 111# Note that if there is a possibility the first call to 112# PKG_CHECK_MODULES might not happen, you should be sure to include an 113# explicit call to PKG_PROG_PKG_CONFIG in your configure.ac 114# 115# 116# -------------------------------------------------------------- 117AC_DEFUN([PKG_CHECK_MODULES], 118[AC_REQUIRE([PKG_PROG_PKG_CONFIG])dnl 119AC_ARG_VAR([$1][_CFLAGS], [C compiler flags for $1, overriding pkg-config])dnl 120AC_ARG_VAR([$1][_LIBS], [linker flags for $1, overriding pkg-config])dnl 121 122pkg_failed=no 123AC_MSG_CHECKING([for $1]) 124 125_PKG_CONFIG([$1][_CFLAGS], [cflags], [$2]) 126_PKG_CONFIG([$1][_LIBS], [libs], [$2]) 127 128m4_define([_PKG_TEXT], [Alternatively, you may set the environment variables $1[]_CFLAGS 129and $1[]_LIBS to avoid the need to call pkg-config. 130See the pkg-config man page for more details.]) 131 132if test $pkg_failed = yes; then 133 _PKG_SHORT_ERRORS_SUPPORTED 134 if test $_pkg_short_errors_supported = yes; then 135 $1[]_PKG_ERRORS=`$PKG_CONFIG --short-errors --errors-to-stdout --print-errors "$2"` 136 else 137 $1[]_PKG_ERRORS=`$PKG_CONFIG --errors-to-stdout --print-errors "$2"` 138 fi 139 # Put the nasty error message in config.log where it belongs 140 echo "$$1[]_PKG_ERRORS" >&AS_MESSAGE_LOG_FD 141 142 ifelse([$4], , [AC_MSG_ERROR(dnl 143[Package requirements ($2) were not met: 144 145$$1_PKG_ERRORS 146 147Consider adjusting the PKG_CONFIG_PATH environment variable if you 148installed software in a non-standard prefix. 149 150_PKG_TEXT 151])], 152 [AC_MSG_RESULT([no]) 153 $4]) 154elif test $pkg_failed = untried; then 155 ifelse([$4], , [AC_MSG_FAILURE(dnl 156[The pkg-config script could not be found or is too old. Make sure it 157is in your PATH or set the PKG_CONFIG environment variable to the full 158path to pkg-config. 159 160_PKG_TEXT 161 162To get pkg-config, see <http://www.freedesktop.org/software/pkgconfig>.])], 163 [$4]) 164else 165 $1[]_CFLAGS=$pkg_cv_[]$1[]_CFLAGS 166 $1[]_LIBS=$pkg_cv_[]$1[]_LIBS 167 AC_MSG_RESULT([yes]) 168 ifelse([$3], , :, [$3]) 169fi[]dnl 170])# PKG_CHECK_MODULES 171 172dnl 173dnl Copyright 2005-2006 Sun Microsystems, Inc. All rights reserved. 174dnl 175dnl Permission is hereby granted, free of charge, to any person obtaining a 176dnl copy of this software and associated documentation files (the 177dnl "Software"), to deal in the Software without restriction, including 178dnl without limitation the rights to use, copy, modify, merge, publish, 179dnl distribute, and/or sell copies of the Software, and to permit persons 180dnl to whom the Software is furnished to do so, provided that the above 181dnl copyright notice(s) and this permission notice appear in all copies of 182dnl the Software and that both the above copyright notice(s) and this 183dnl permission notice appear in supporting documentation. 184dnl 185dnl THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS 186dnl OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 187dnl MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT 188dnl OF THIRD PARTY RIGHTS. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR 189dnl HOLDERS INCLUDED IN THIS NOTICE BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL 190dnl INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER RESULTING 191dnl FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, 192dnl NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION 193dnl WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 194dnl 195dnl Except as contained in this notice, the name of a copyright holder 196dnl shall not be used in advertising or otherwise to promote the sale, use 197dnl or other dealings in this Software without prior written authorization 198dnl of the copyright holder. 199 200# XORG_MACROS_VERSION(required-version) 201# ------------------------------------- 202# Minimum version: 1.1.0 203# 204# If you're using a macro added in Version 1.1 or newer, include this in 205# your configure.ac with the minimum required version, such as: 206# XORG_MACROS_VERSION(1.1) 207# 208# To force at least a version with this macro defined, also add: 209# m4_ifndef([XORG_MACROS_VERSION], [AC_FATAL([must install xorg-macros 1.1 or later before running autoconf/autogen])]) 210# 211# 212# See the "minimum version" comment for each macro you use to see what 213# version you require. 214AC_DEFUN([XORG_MACROS_VERSION],[ 215 [XORG_MACROS_needed_version=$1 216 XORG_MACROS_needed_major=`echo $XORG_MACROS_needed_version | sed 's/\..*$//'` 217 XORG_MACROS_needed_minor=`echo $XORG_MACROS_needed_version | sed -e 's/^[0-9]*\.//' -e 's/\..*$//'`] 218 AC_MSG_CHECKING([if xorg-macros used to generate configure is at least ${XORG_MACROS_needed_major}.${XORG_MACROS_needed_minor}]) 219 [XORG_MACROS_version=1.1.5 220 XORG_MACROS_major=`echo $XORG_MACROS_version | sed 's/\..*$//'` 221 XORG_MACROS_minor=`echo $XORG_MACROS_version | sed -e 's/^[0-9]*\.//' -e 's/\..*$//'`] 222 if test $XORG_MACROS_major -ne $XORG_MACROS_needed_major ; then 223 AC_MSG_ERROR([configure built with incompatible version of xorg-macros.m4 - requires version ${XORG_MACROS_major}.x]) 224 fi 225 if test $XORG_MACROS_minor -lt $XORG_MACROS_needed_minor ; then 226 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]) 227 fi 228 AC_MSG_RESULT([yes, $XORG_MACROS_version]) 229]) # XORG_MACROS_VERSION 230 231# XORG_PROG_RAWCPP() 232# ------------------ 233# Minimum version: 1.0.0 234# 235# Find cpp program and necessary flags for use in pre-processing text files 236# such as man pages and config files 237AC_DEFUN([XORG_PROG_RAWCPP],[ 238AC_REQUIRE([AC_PROG_CPP]) 239AC_PATH_PROGS(RAWCPP, [cpp], [${CPP}], 240 [$PATH:/bin:/usr/bin:/usr/lib:/usr/libexec:/usr/ccs/lib:/usr/ccs/lbin:/lib]) 241 242# Check for flag to avoid builtin definitions - assumes unix is predefined, 243# which is not the best choice for supporting other OS'es, but covers most 244# of the ones we need for now. 245AC_MSG_CHECKING([if $RAWCPP requires -undef]) 246AC_LANG_CONFTEST([Does cpp redefine unix ?]) 247if test `${RAWCPP} < conftest.$ac_ext | grep -c 'unix'` -eq 1 ; then 248 AC_MSG_RESULT([no]) 249else 250 if test `${RAWCPP} -undef < conftest.$ac_ext | grep -c 'unix'` -eq 1 ; then 251 RAWCPPFLAGS=-undef 252 AC_MSG_RESULT([yes]) 253 else 254 AC_MSG_ERROR([${RAWCPP} defines unix with or without -undef. I don't know what to do.]) 255 fi 256fi 257rm -f conftest.$ac_ext 258 259AC_MSG_CHECKING([if $RAWCPP requires -traditional]) 260AC_LANG_CONFTEST([Does cpp preserve "whitespace"?]) 261if test `${RAWCPP} < conftest.$ac_ext | grep -c 'preserve \"'` -eq 1 ; then 262 AC_MSG_RESULT([no]) 263else 264 if test `${RAWCPP} -traditional < conftest.$ac_ext | grep -c 'preserve \"'` -eq 1 ; then 265 RAWCPPFLAGS="${RAWCPPFLAGS} -traditional" 266 AC_MSG_RESULT([yes]) 267 else 268 AC_MSG_ERROR([${RAWCPP} does not preserve whitespace with or without -traditional. I don't know what to do.]) 269 fi 270fi 271rm -f conftest.$ac_ext 272AC_SUBST(RAWCPPFLAGS) 273]) # XORG_PROG_RAWCPP 274 275# XORG_MANPAGE_SECTIONS() 276# ----------------------- 277# Minimum version: 1.0.0 278# 279# Determine which sections man pages go in for the different man page types 280# on this OS - replaces *ManSuffix settings in old Imake *.cf per-os files. 281# Not sure if there's any better way than just hardcoding by OS name. 282# Override default settings by setting environment variables 283 284AC_DEFUN([XORG_MANPAGE_SECTIONS],[ 285AC_REQUIRE([AC_CANONICAL_HOST]) 286 287if test x$APP_MAN_SUFFIX = x ; then 288 APP_MAN_SUFFIX=1 289fi 290if test x$APP_MAN_DIR = x ; then 291 APP_MAN_DIR='$(mandir)/man$(APP_MAN_SUFFIX)' 292fi 293 294if test x$LIB_MAN_SUFFIX = x ; then 295 LIB_MAN_SUFFIX=3 296fi 297if test x$LIB_MAN_DIR = x ; then 298 LIB_MAN_DIR='$(mandir)/man$(LIB_MAN_SUFFIX)' 299fi 300 301if test x$FILE_MAN_SUFFIX = x ; then 302 case $host_os in 303 solaris*) FILE_MAN_SUFFIX=4 ;; 304 *) FILE_MAN_SUFFIX=5 ;; 305 esac 306fi 307if test x$FILE_MAN_DIR = x ; then 308 FILE_MAN_DIR='$(mandir)/man$(FILE_MAN_SUFFIX)' 309fi 310 311if test x$MISC_MAN_SUFFIX = x ; then 312 case $host_os in 313 solaris*) MISC_MAN_SUFFIX=5 ;; 314 *) MISC_MAN_SUFFIX=7 ;; 315 esac 316fi 317if test x$MISC_MAN_DIR = x ; then 318 MISC_MAN_DIR='$(mandir)/man$(MISC_MAN_SUFFIX)' 319fi 320 321if test x$DRIVER_MAN_SUFFIX = x ; then 322 case $host_os in 323 solaris*) DRIVER_MAN_SUFFIX=7 ;; 324 *) DRIVER_MAN_SUFFIX=4 ;; 325 esac 326fi 327if test x$DRIVER_MAN_DIR = x ; then 328 DRIVER_MAN_DIR='$(mandir)/man$(DRIVER_MAN_SUFFIX)' 329fi 330 331if test x$ADMIN_MAN_SUFFIX = x ; then 332 case $host_os in 333 solaris*) ADMIN_MAN_SUFFIX=1m ;; 334 *) ADMIN_MAN_SUFFIX=8 ;; 335 esac 336fi 337if test x$ADMIN_MAN_DIR = x ; then 338 ADMIN_MAN_DIR='$(mandir)/man$(ADMIN_MAN_SUFFIX)' 339fi 340 341 342AC_SUBST([APP_MAN_SUFFIX]) 343AC_SUBST([LIB_MAN_SUFFIX]) 344AC_SUBST([FILE_MAN_SUFFIX]) 345AC_SUBST([MISC_MAN_SUFFIX]) 346AC_SUBST([DRIVER_MAN_SUFFIX]) 347AC_SUBST([ADMIN_MAN_SUFFIX]) 348AC_SUBST([APP_MAN_DIR]) 349AC_SUBST([LIB_MAN_DIR]) 350AC_SUBST([FILE_MAN_DIR]) 351AC_SUBST([MISC_MAN_DIR]) 352AC_SUBST([DRIVER_MAN_DIR]) 353AC_SUBST([ADMIN_MAN_DIR]) 354]) # XORG_MANPAGE_SECTIONS 355 356# XORG_CHECK_LINUXDOC 357# ------------------- 358# Minimum version: 1.0.0 359# 360# Defines the variable MAKE_TEXT if the necessary tools and 361# files are found. $(MAKE_TEXT) blah.sgml will then produce blah.txt. 362# Whether or not the necessary tools and files are found can be checked 363# with the AM_CONDITIONAL "BUILD_LINUXDOC" 364AC_DEFUN([XORG_CHECK_LINUXDOC],[ 365XORG_SGML_PATH=$prefix/share/sgml 366HAVE_DEFS_ENT= 367 368AC_CHECK_FILE([$XORG_SGML_PATH/X11/defs.ent], [HAVE_DEFS_ENT=yes]) 369 370AC_PATH_PROG(LINUXDOC, linuxdoc) 371AC_PATH_PROG(PS2PDF, ps2pdf) 372 373AC_MSG_CHECKING([Whether to build documentation]) 374 375if test x$HAVE_DEFS_ENT != x && test x$LINUXDOC != x ; then 376 BUILDDOC=yes 377else 378 BUILDDOC=no 379fi 380 381AM_CONDITIONAL(BUILD_LINUXDOC, [test x$BUILDDOC = xyes]) 382 383AC_MSG_RESULT([$BUILDDOC]) 384 385AC_MSG_CHECKING([Whether to build pdf documentation]) 386 387if test x$PS2PDF != x && test x$BUILD_PDFDOC != xno; then 388 BUILDPDFDOC=yes 389else 390 BUILDPDFDOC=no 391fi 392 393AM_CONDITIONAL(BUILD_PDFDOC, [test x$BUILDPDFDOC = xyes]) 394 395AC_MSG_RESULT([$BUILDPDFDOC]) 396 397MAKE_TEXT="SGML_SEARCH_PATH=$XORG_SGML_PATH GROFF_NO_SGR=y $LINUXDOC -B txt" 398MAKE_PS="SGML_SEARCH_PATH=$XORG_SGML_PATH $LINUXDOC -B latex --papersize=letter --output=ps" 399MAKE_PDF="$PS2PDF" 400MAKE_HTML="SGML_SEARCH_PATH=$XORG_SGML_PATH $LINUXDOC -B html --split=0" 401 402AC_SUBST(MAKE_TEXT) 403AC_SUBST(MAKE_PS) 404AC_SUBST(MAKE_PDF) 405AC_SUBST(MAKE_HTML) 406]) # XORG_CHECK_LINUXDOC 407 408# XORG_CHECK_DOCBOOK 409# ------------------- 410# Minimum version: 1.0.0 411# 412# Checks for the ability to build output formats from SGML DocBook source. 413# For XXX in {TXT, PDF, PS, HTML}, the AM_CONDITIONAL "BUILD_XXXDOC" 414# indicates whether the necessary tools and files are found and, if set, 415# $(MAKE_XXX) blah.sgml will produce blah.xxx. 416AC_DEFUN([XORG_CHECK_DOCBOOK],[ 417XORG_SGML_PATH=$prefix/share/sgml 418HAVE_DEFS_ENT= 419BUILDTXTDOC=no 420BUILDPDFDOC=no 421BUILDPSDOC=no 422BUILDHTMLDOC=no 423 424AC_CHECK_FILE([$XORG_SGML_PATH/X11/defs.ent], [HAVE_DEFS_ENT=yes]) 425 426AC_PATH_PROG(DOCBOOKPS, docbook2ps) 427AC_PATH_PROG(DOCBOOKPDF, docbook2pdf) 428AC_PATH_PROG(DOCBOOKHTML, docbook2html) 429AC_PATH_PROG(DOCBOOKTXT, docbook2txt) 430 431AC_MSG_CHECKING([Whether to build text documentation]) 432if test x$HAVE_DEFS_ENT != x && test x$DOCBOOKTXT != x && 433 test x$BUILD_TXTDOC != xno; then 434 BUILDTXTDOC=yes 435fi 436AM_CONDITIONAL(BUILD_TXTDOC, [test x$BUILDTXTDOC = xyes]) 437AC_MSG_RESULT([$BUILDTXTDOC]) 438 439AC_MSG_CHECKING([Whether to build PDF documentation]) 440if test x$HAVE_DEFS_ENT != x && test x$DOCBOOKPDF != x && 441 test x$BUILD_PDFDOC != xno; then 442 BUILDPDFDOC=yes 443fi 444AM_CONDITIONAL(BUILD_PDFDOC, [test x$BUILDPDFDOC = xyes]) 445AC_MSG_RESULT([$BUILDPDFDOC]) 446 447AC_MSG_CHECKING([Whether to build PostScript documentation]) 448if test x$HAVE_DEFS_ENT != x && test x$DOCBOOKPS != x && 449 test x$BUILD_PSDOC != xno; then 450 BUILDPSDOC=yes 451fi 452AM_CONDITIONAL(BUILD_PSDOC, [test x$BUILDPSDOC = xyes]) 453AC_MSG_RESULT([$BUILDPSDOC]) 454 455AC_MSG_CHECKING([Whether to build HTML documentation]) 456if test x$HAVE_DEFS_ENT != x && test x$DOCBOOKHTML != x && 457 test x$BUILD_HTMLDOC != xno; then 458 BUILDHTMLDOC=yes 459fi 460AM_CONDITIONAL(BUILD_HTMLDOC, [test x$BUILDHTMLDOC = xyes]) 461AC_MSG_RESULT([$BUILDHTMLDOC]) 462 463MAKE_TEXT="SGML_SEARCH_PATH=$XORG_SGML_PATH $DOCBOOKTXT" 464MAKE_PS="SGML_SEARCH_PATH=$XORG_SGML_PATH $DOCBOOKPS" 465MAKE_PDF="SGML_SEARCH_PATH=$XORG_SGML_PATH $DOCBOOKPDF" 466MAKE_HTML="SGML_SEARCH_PATH=$XORG_SGML_PATH $DOCBOOKHTML" 467 468AC_SUBST(MAKE_TEXT) 469AC_SUBST(MAKE_PS) 470AC_SUBST(MAKE_PDF) 471AC_SUBST(MAKE_HTML) 472]) # XORG_CHECK_DOCBOOK 473 474# XORG_CHECK_MALLOC_ZERO 475# ---------------------- 476# Minimum version: 1.0.0 477# 478# Defines {MALLOC,XMALLOC,XTMALLOC}_ZERO_CFLAGS appropriately if 479# malloc(0) returns NULL. Packages should add one of these cflags to 480# their AM_CFLAGS (or other appropriate *_CFLAGS) to use them. 481AC_DEFUN([XORG_CHECK_MALLOC_ZERO],[ 482AC_ARG_ENABLE(malloc0returnsnull, 483 AC_HELP_STRING([--enable-malloc0returnsnull], 484 [malloc(0) returns NULL (default: auto)]), 485 [MALLOC_ZERO_RETURNS_NULL=$enableval], 486 [MALLOC_ZERO_RETURNS_NULL=auto]) 487 488AC_MSG_CHECKING([whether malloc(0) returns NULL]) 489if test "x$MALLOC_ZERO_RETURNS_NULL" = xauto; then 490 AC_RUN_IFELSE([ 491char *malloc(); 492char *realloc(); 493char *calloc(); 494main() { 495 char *m0, *r0, *c0, *p; 496 m0 = malloc(0); 497 p = malloc(10); 498 r0 = realloc(p,0); 499 c0 = calloc(0); 500 exit(m0 == 0 || r0 == 0 || c0 == 0 ? 0 : 1); 501}], 502 [MALLOC_ZERO_RETURNS_NULL=yes], 503 [MALLOC_ZERO_RETURNS_NULL=no]) 504fi 505AC_MSG_RESULT([$MALLOC_ZERO_RETURNS_NULL]) 506 507if test "x$MALLOC_ZERO_RETURNS_NULL" = xyes; then 508 MALLOC_ZERO_CFLAGS="-DMALLOC_0_RETURNS_NULL" 509 XMALLOC_ZERO_CFLAGS=$MALLOC_ZERO_CFLAGS 510 XTMALLOC_ZERO_CFLAGS="$MALLOC_ZERO_CFLAGS -DXTMALLOC_BC" 511else 512 MALLOC_ZERO_CFLAGS="" 513 XMALLOC_ZERO_CFLAGS="" 514 XTMALLOC_ZERO_CFLAGS="" 515fi 516 517AC_SUBST([MALLOC_ZERO_CFLAGS]) 518AC_SUBST([XMALLOC_ZERO_CFLAGS]) 519AC_SUBST([XTMALLOC_ZERO_CFLAGS]) 520]) # XORG_CHECK_MALLOC_ZERO 521 522# XORG_WITH_LINT() 523# ---------------- 524# Minimum version: 1.1.0 525# 526# Sets up flags for source checkers such as lint and sparse if --with-lint 527# is specified. (Use --with-lint=sparse for sparse.) 528# Sets $LINT to name of source checker passed with --with-lint (default: lint) 529# Sets $LINT_FLAGS to flags to pass to source checker 530# Sets LINT automake conditional if enabled (default: disabled) 531# 532AC_DEFUN([XORG_WITH_LINT],[ 533 534# Allow checking code with lint, sparse, etc. 535AC_ARG_WITH(lint, [AC_HELP_STRING([--with-lint], 536 [Use a lint-style source code checker (default: disabled)])], 537 [use_lint=$withval], [use_lint=no]) 538if test "x$use_lint" = "xyes" ; then 539 LINT="lint" 540else 541 LINT="$use_lint" 542fi 543if test "x$LINT_FLAGS" = "x" -a "x$LINT" != "xno" ; then 544 case $LINT in 545 lint|*/lint) 546 case $host_os in 547 solaris*) 548 LINT_FLAGS="-u -b -h -erroff=E_INDISTING_FROM_TRUNC2" 549 ;; 550 esac 551 ;; 552 esac 553fi 554 555AC_SUBST(LINT) 556AC_SUBST(LINT_FLAGS) 557AM_CONDITIONAL(LINT, [test x$LINT != xno]) 558 559]) # XORG_WITH_LINT 560 561# XORG_LINT_LIBRARY(LIBNAME) 562# -------------------------- 563# Minimum version: 1.1.0 564# 565# Sets up flags for building lint libraries for checking programs that call 566# functions in the library. 567# Disabled by default, enable with --enable-lint-library 568# Sets: 569# @LINTLIB@ - name of lint library file to make 570# MAKE_LINT_LIB - automake conditional 571# 572 573AC_DEFUN([XORG_LINT_LIBRARY],[ 574AC_REQUIRE([XORG_WITH_LINT]) 575# Build lint "library" for more indepth checks of programs calling this library 576AC_ARG_ENABLE(lint-library, [AC_HELP_STRING([--enable-lint-library], 577 [Create lint library (default: disabled)])], 578 [make_lint_lib=$enableval], [make_lint_lib=no]) 579if test "x$make_lint_lib" != "xno" ; then 580 if test "x$LINT" = "xno" ; then 581 AC_MSG_ERROR([Cannot make lint library without --with-lint]) 582 fi 583 if test "x$make_lint_lib" = "xyes" ; then 584 LINTLIB=llib-l$1.ln 585 else 586 LINTLIB=$make_lint_lib 587 fi 588fi 589AC_SUBST(LINTLIB) 590AM_CONDITIONAL(MAKE_LINT_LIB, [test x$make_lint_lib != xno]) 591 592]) # XORG_LINT_LIBRARY 593 594dnl Copyright 2005 Red Hat, Inc 595dnl 596dnl Permission to use, copy, modify, distribute, and sell this software and its 597dnl documentation for any purpose is hereby granted without fee, provided that 598dnl the above copyright notice appear in all copies and that both that 599dnl copyright notice and this permission notice appear in supporting 600dnl documentation. 601dnl 602dnl The above copyright notice and this permission notice shall be included 603dnl in all copies or substantial portions of the Software. 604dnl 605dnl THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS 606dnl OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 607dnl MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. 608dnl IN NO EVENT SHALL THE OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR 609dnl OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 610dnl ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 611dnl OTHER DEALINGS IN THE SOFTWARE. 612dnl 613dnl Except as contained in this notice, the name of the copyright holders shall 614dnl not be used in advertising or otherwise to promote the sale, use or 615dnl other dealings in this Software without prior written authorization 616dnl from the copyright holders. 617dnl 618 619# XORG_RELEASE_VERSION 620# -------------------- 621# Adds --with/without-release-string and changes the PACKAGE and 622# PACKAGE_TARNAME to use "$PACKAGE{_TARNAME}-$RELEASE_VERSION". If 623# no option is given, PACKAGE and PACKAGE_TARNAME are unchanged. 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