aclocal.m4 revision a0d3b6ea
1# generated automatically by aclocal 1.10.1 -*- Autoconf -*- 2 3# Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 4# 2005, 2006, 2007, 2008 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(AC_AUTOCONF_VERSION, [2.61],, 17[m4_warning([this file was generated for autoconf 2.61. 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 179dnl Copyright 2005-2006 Sun Microsystems, Inc. All rights reserved. 180dnl 181dnl Permission is hereby granted, free of charge, to any person obtaining a 182dnl copy of this software and associated documentation files (the 183dnl "Software"), to deal in the Software without restriction, including 184dnl without limitation the rights to use, copy, modify, merge, publish, 185dnl distribute, and/or sell copies of the Software, and to permit persons 186dnl to whom the Software is furnished to do so, provided that the above 187dnl copyright notice(s) and this permission notice appear in all copies of 188dnl the Software and that both the above copyright notice(s) and this 189dnl permission notice appear in supporting documentation. 190dnl 191dnl THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS 192dnl OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 193dnl MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT 194dnl OF THIRD PARTY RIGHTS. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR 195dnl HOLDERS INCLUDED IN THIS NOTICE BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL 196dnl INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER RESULTING 197dnl FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, 198dnl NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION 199dnl WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 200dnl 201dnl Except as contained in this notice, the name of a copyright holder 202dnl shall not be used in advertising or otherwise to promote the sale, use 203dnl or other dealings in this Software without prior written authorization 204dnl of the copyright holder. 205 206# XORG_MACROS_VERSION(required-version) 207# ------------------------------------- 208# Minimum version: 1.1.0 209# 210# If you're using a macro added in Version 1.1 or newer, include this in 211# your configure.ac with the minimum required version, such as: 212# XORG_MACROS_VERSION(1.1) 213# 214# To force at least a version with this macro defined, also add: 215# m4_ifndef([XORG_MACROS_VERSION], [AC_FATAL([must install xorg-macros 1.1 or later before running autoconf/autogen])]) 216# 217# 218# See the "minimum version" comment for each macro you use to see what 219# version you require. 220AC_DEFUN([XORG_MACROS_VERSION],[ 221 [XORG_MACROS_needed_version=$1 222 XORG_MACROS_needed_major=`echo $XORG_MACROS_needed_version | sed 's/\..*$//'` 223 XORG_MACROS_needed_minor=`echo $XORG_MACROS_needed_version | sed -e 's/^[0-9]*\.//' -e 's/\..*$//'`] 224 AC_MSG_CHECKING([if xorg-macros used to generate configure is at least ${XORG_MACROS_needed_major}.${XORG_MACROS_needed_minor}]) 225 [XORG_MACROS_version=1.1.6 226 XORG_MACROS_major=`echo $XORG_MACROS_version | sed 's/\..*$//'` 227 XORG_MACROS_minor=`echo $XORG_MACROS_version | sed -e 's/^[0-9]*\.//' -e 's/\..*$//'`] 228 if test $XORG_MACROS_major -ne $XORG_MACROS_needed_major ; then 229 AC_MSG_ERROR([configure built with incompatible version of xorg-macros.m4 - requires version ${XORG_MACROS_major}.x]) 230 fi 231 if test $XORG_MACROS_minor -lt $XORG_MACROS_needed_minor ; then 232 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]) 233 fi 234 AC_MSG_RESULT([yes, $XORG_MACROS_version]) 235]) # XORG_MACROS_VERSION 236 237# XORG_PROG_RAWCPP() 238# ------------------ 239# Minimum version: 1.0.0 240# 241# Find cpp program and necessary flags for use in pre-processing text files 242# such as man pages and config files 243AC_DEFUN([XORG_PROG_RAWCPP],[ 244AC_REQUIRE([AC_PROG_CPP]) 245AC_PATH_PROGS(RAWCPP, [cpp], [${CPP}], 246 [$PATH:/bin:/usr/bin:/usr/lib:/usr/libexec:/usr/ccs/lib:/usr/ccs/lbin:/lib]) 247 248# Check for flag to avoid builtin definitions - assumes unix is predefined, 249# which is not the best choice for supporting other OS'es, but covers most 250# of the ones we need for now. 251AC_MSG_CHECKING([if $RAWCPP requires -undef]) 252AC_LANG_CONFTEST([Does cpp redefine unix ?]) 253if test `${RAWCPP} < conftest.$ac_ext | grep -c 'unix'` -eq 1 ; then 254 AC_MSG_RESULT([no]) 255else 256 if test `${RAWCPP} -undef < conftest.$ac_ext | grep -c 'unix'` -eq 1 ; then 257 RAWCPPFLAGS=-undef 258 AC_MSG_RESULT([yes]) 259 else 260 AC_MSG_ERROR([${RAWCPP} defines unix with or without -undef. I don't know what to do.]) 261 fi 262fi 263rm -f conftest.$ac_ext 264 265AC_MSG_CHECKING([if $RAWCPP requires -traditional]) 266AC_LANG_CONFTEST([Does cpp preserve "whitespace"?]) 267if test `${RAWCPP} < conftest.$ac_ext | grep -c 'preserve \"'` -eq 1 ; then 268 AC_MSG_RESULT([no]) 269else 270 if test `${RAWCPP} -traditional < conftest.$ac_ext | grep -c 'preserve \"'` -eq 1 ; then 271 RAWCPPFLAGS="${RAWCPPFLAGS} -traditional" 272 AC_MSG_RESULT([yes]) 273 else 274 AC_MSG_ERROR([${RAWCPP} does not preserve whitespace with or without -traditional. I don't know what to do.]) 275 fi 276fi 277rm -f conftest.$ac_ext 278AC_SUBST(RAWCPPFLAGS) 279]) # XORG_PROG_RAWCPP 280 281# XORG_MANPAGE_SECTIONS() 282# ----------------------- 283# Minimum version: 1.0.0 284# 285# Determine which sections man pages go in for the different man page types 286# on this OS - replaces *ManSuffix settings in old Imake *.cf per-os files. 287# Not sure if there's any better way than just hardcoding by OS name. 288# Override default settings by setting environment variables 289 290AC_DEFUN([XORG_MANPAGE_SECTIONS],[ 291AC_REQUIRE([AC_CANONICAL_HOST]) 292 293if test x$APP_MAN_SUFFIX = x ; then 294 APP_MAN_SUFFIX=1 295fi 296if test x$APP_MAN_DIR = x ; then 297 APP_MAN_DIR='$(mandir)/man$(APP_MAN_SUFFIX)' 298fi 299 300if test x$LIB_MAN_SUFFIX = x ; then 301 LIB_MAN_SUFFIX=3 302fi 303if test x$LIB_MAN_DIR = x ; then 304 LIB_MAN_DIR='$(mandir)/man$(LIB_MAN_SUFFIX)' 305fi 306 307if test x$FILE_MAN_SUFFIX = x ; then 308 case $host_os in 309 solaris*) FILE_MAN_SUFFIX=4 ;; 310 *) FILE_MAN_SUFFIX=5 ;; 311 esac 312fi 313if test x$FILE_MAN_DIR = x ; then 314 FILE_MAN_DIR='$(mandir)/man$(FILE_MAN_SUFFIX)' 315fi 316 317if test x$MISC_MAN_SUFFIX = x ; then 318 case $host_os in 319 solaris*) MISC_MAN_SUFFIX=5 ;; 320 *) MISC_MAN_SUFFIX=7 ;; 321 esac 322fi 323if test x$MISC_MAN_DIR = x ; then 324 MISC_MAN_DIR='$(mandir)/man$(MISC_MAN_SUFFIX)' 325fi 326 327if test x$DRIVER_MAN_SUFFIX = x ; then 328 case $host_os in 329 solaris*) DRIVER_MAN_SUFFIX=7 ;; 330 *) DRIVER_MAN_SUFFIX=4 ;; 331 esac 332fi 333if test x$DRIVER_MAN_DIR = x ; then 334 DRIVER_MAN_DIR='$(mandir)/man$(DRIVER_MAN_SUFFIX)' 335fi 336 337if test x$ADMIN_MAN_SUFFIX = x ; then 338 case $host_os in 339 solaris*) ADMIN_MAN_SUFFIX=1m ;; 340 *) ADMIN_MAN_SUFFIX=8 ;; 341 esac 342fi 343if test x$ADMIN_MAN_DIR = x ; then 344 ADMIN_MAN_DIR='$(mandir)/man$(ADMIN_MAN_SUFFIX)' 345fi 346 347 348AC_SUBST([APP_MAN_SUFFIX]) 349AC_SUBST([LIB_MAN_SUFFIX]) 350AC_SUBST([FILE_MAN_SUFFIX]) 351AC_SUBST([MISC_MAN_SUFFIX]) 352AC_SUBST([DRIVER_MAN_SUFFIX]) 353AC_SUBST([ADMIN_MAN_SUFFIX]) 354AC_SUBST([APP_MAN_DIR]) 355AC_SUBST([LIB_MAN_DIR]) 356AC_SUBST([FILE_MAN_DIR]) 357AC_SUBST([MISC_MAN_DIR]) 358AC_SUBST([DRIVER_MAN_DIR]) 359AC_SUBST([ADMIN_MAN_DIR]) 360]) # XORG_MANPAGE_SECTIONS 361 362# XORG_CHECK_LINUXDOC 363# ------------------- 364# Minimum version: 1.0.0 365# 366# Defines the variable MAKE_TEXT if the necessary tools and 367# files are found. $(MAKE_TEXT) blah.sgml will then produce blah.txt. 368# Whether or not the necessary tools and files are found can be checked 369# with the AM_CONDITIONAL "BUILD_LINUXDOC" 370AC_DEFUN([XORG_CHECK_LINUXDOC],[ 371XORG_SGML_PATH=$prefix/share/sgml 372HAVE_DEFS_ENT= 373 374if test x"$cross_compiling" = x"yes" ; then 375 HAVE_DEFS_ENT=no 376else 377 AC_CHECK_FILE([$XORG_SGML_PATH/X11/defs.ent], [HAVE_DEFS_ENT=yes]) 378fi 379 380AC_PATH_PROG(LINUXDOC, linuxdoc) 381AC_PATH_PROG(PS2PDF, ps2pdf) 382 383AC_MSG_CHECKING([Whether to build documentation]) 384 385if test x$HAVE_DEFS_ENT != x && test x$LINUXDOC != x ; then 386 BUILDDOC=yes 387else 388 BUILDDOC=no 389fi 390 391AM_CONDITIONAL(BUILD_LINUXDOC, [test x$BUILDDOC = xyes]) 392 393AC_MSG_RESULT([$BUILDDOC]) 394 395AC_MSG_CHECKING([Whether to build pdf documentation]) 396 397if test x$PS2PDF != x && test x$BUILD_PDFDOC != xno; then 398 BUILDPDFDOC=yes 399else 400 BUILDPDFDOC=no 401fi 402 403AM_CONDITIONAL(BUILD_PDFDOC, [test x$BUILDPDFDOC = xyes]) 404 405AC_MSG_RESULT([$BUILDPDFDOC]) 406 407MAKE_TEXT="SGML_SEARCH_PATH=$XORG_SGML_PATH GROFF_NO_SGR=y $LINUXDOC -B txt" 408MAKE_PS="SGML_SEARCH_PATH=$XORG_SGML_PATH $LINUXDOC -B latex --papersize=letter --output=ps" 409MAKE_PDF="$PS2PDF" 410MAKE_HTML="SGML_SEARCH_PATH=$XORG_SGML_PATH $LINUXDOC -B html --split=0" 411 412AC_SUBST(MAKE_TEXT) 413AC_SUBST(MAKE_PS) 414AC_SUBST(MAKE_PDF) 415AC_SUBST(MAKE_HTML) 416]) # XORG_CHECK_LINUXDOC 417 418# XORG_CHECK_DOCBOOK 419# ------------------- 420# Minimum version: 1.0.0 421# 422# Checks for the ability to build output formats from SGML DocBook source. 423# For XXX in {TXT, PDF, PS, HTML}, the AM_CONDITIONAL "BUILD_XXXDOC" 424# indicates whether the necessary tools and files are found and, if set, 425# $(MAKE_XXX) blah.sgml will produce blah.xxx. 426AC_DEFUN([XORG_CHECK_DOCBOOK],[ 427XORG_SGML_PATH=$prefix/share/sgml 428HAVE_DEFS_ENT= 429BUILDTXTDOC=no 430BUILDPDFDOC=no 431BUILDPSDOC=no 432BUILDHTMLDOC=no 433 434AC_CHECK_FILE([$XORG_SGML_PATH/X11/defs.ent], [HAVE_DEFS_ENT=yes]) 435 436AC_PATH_PROG(DOCBOOKPS, docbook2ps) 437AC_PATH_PROG(DOCBOOKPDF, docbook2pdf) 438AC_PATH_PROG(DOCBOOKHTML, docbook2html) 439AC_PATH_PROG(DOCBOOKTXT, docbook2txt) 440 441AC_MSG_CHECKING([Whether to build text documentation]) 442if test x$HAVE_DEFS_ENT != x && test x$DOCBOOKTXT != x && 443 test x$BUILD_TXTDOC != xno; then 444 BUILDTXTDOC=yes 445fi 446AM_CONDITIONAL(BUILD_TXTDOC, [test x$BUILDTXTDOC = xyes]) 447AC_MSG_RESULT([$BUILDTXTDOC]) 448 449AC_MSG_CHECKING([Whether to build PDF documentation]) 450if test x$HAVE_DEFS_ENT != x && test x$DOCBOOKPDF != x && 451 test x$BUILD_PDFDOC != xno; then 452 BUILDPDFDOC=yes 453fi 454AM_CONDITIONAL(BUILD_PDFDOC, [test x$BUILDPDFDOC = xyes]) 455AC_MSG_RESULT([$BUILDPDFDOC]) 456 457AC_MSG_CHECKING([Whether to build PostScript documentation]) 458if test x$HAVE_DEFS_ENT != x && test x$DOCBOOKPS != x && 459 test x$BUILD_PSDOC != xno; then 460 BUILDPSDOC=yes 461fi 462AM_CONDITIONAL(BUILD_PSDOC, [test x$BUILDPSDOC = xyes]) 463AC_MSG_RESULT([$BUILDPSDOC]) 464 465AC_MSG_CHECKING([Whether to build HTML documentation]) 466if test x$HAVE_DEFS_ENT != x && test x$DOCBOOKHTML != x && 467 test x$BUILD_HTMLDOC != xno; then 468 BUILDHTMLDOC=yes 469fi 470AM_CONDITIONAL(BUILD_HTMLDOC, [test x$BUILDHTMLDOC = xyes]) 471AC_MSG_RESULT([$BUILDHTMLDOC]) 472 473MAKE_TEXT="SGML_SEARCH_PATH=$XORG_SGML_PATH $DOCBOOKTXT" 474MAKE_PS="SGML_SEARCH_PATH=$XORG_SGML_PATH $DOCBOOKPS" 475MAKE_PDF="SGML_SEARCH_PATH=$XORG_SGML_PATH $DOCBOOKPDF" 476MAKE_HTML="SGML_SEARCH_PATH=$XORG_SGML_PATH $DOCBOOKHTML" 477 478AC_SUBST(MAKE_TEXT) 479AC_SUBST(MAKE_PS) 480AC_SUBST(MAKE_PDF) 481AC_SUBST(MAKE_HTML) 482]) # XORG_CHECK_DOCBOOK 483 484# XORG_CHECK_MALLOC_ZERO 485# ---------------------- 486# Minimum version: 1.0.0 487# 488# Defines {MALLOC,XMALLOC,XTMALLOC}_ZERO_CFLAGS appropriately if 489# malloc(0) returns NULL. Packages should add one of these cflags to 490# their AM_CFLAGS (or other appropriate *_CFLAGS) to use them. 491AC_DEFUN([XORG_CHECK_MALLOC_ZERO],[ 492AC_ARG_ENABLE(malloc0returnsnull, 493 AC_HELP_STRING([--enable-malloc0returnsnull], 494 [malloc(0) returns NULL (default: auto)]), 495 [MALLOC_ZERO_RETURNS_NULL=$enableval], 496 [MALLOC_ZERO_RETURNS_NULL=auto]) 497 498AC_MSG_CHECKING([whether malloc(0) returns NULL]) 499if test "x$MALLOC_ZERO_RETURNS_NULL" = xauto; then 500 AC_RUN_IFELSE([ 501char *malloc(); 502char *realloc(); 503char *calloc(); 504main() { 505 char *m0, *r0, *c0, *p; 506 m0 = malloc(0); 507 p = malloc(10); 508 r0 = realloc(p,0); 509 c0 = calloc(0); 510 exit(m0 == 0 || r0 == 0 || c0 == 0 ? 0 : 1); 511}], 512 [MALLOC_ZERO_RETURNS_NULL=yes], 513 [MALLOC_ZERO_RETURNS_NULL=no]) 514fi 515AC_MSG_RESULT([$MALLOC_ZERO_RETURNS_NULL]) 516 517if test "x$MALLOC_ZERO_RETURNS_NULL" = xyes; then 518 MALLOC_ZERO_CFLAGS="-DMALLOC_0_RETURNS_NULL" 519 XMALLOC_ZERO_CFLAGS=$MALLOC_ZERO_CFLAGS 520 XTMALLOC_ZERO_CFLAGS="$MALLOC_ZERO_CFLAGS -DXTMALLOC_BC" 521else 522 MALLOC_ZERO_CFLAGS="" 523 XMALLOC_ZERO_CFLAGS="" 524 XTMALLOC_ZERO_CFLAGS="" 525fi 526 527AC_SUBST([MALLOC_ZERO_CFLAGS]) 528AC_SUBST([XMALLOC_ZERO_CFLAGS]) 529AC_SUBST([XTMALLOC_ZERO_CFLAGS]) 530]) # XORG_CHECK_MALLOC_ZERO 531 532# XORG_WITH_LINT() 533# ---------------- 534# Minimum version: 1.1.0 535# 536# Sets up flags for source checkers such as lint and sparse if --with-lint 537# is specified. (Use --with-lint=sparse for sparse.) 538# Sets $LINT to name of source checker passed with --with-lint (default: lint) 539# Sets $LINT_FLAGS to flags to pass to source checker 540# Sets LINT automake conditional if enabled (default: disabled) 541# 542AC_DEFUN([XORG_WITH_LINT],[ 543 544# Allow checking code with lint, sparse, etc. 545AC_ARG_WITH(lint, [AC_HELP_STRING([--with-lint], 546 [Use a lint-style source code checker (default: disabled)])], 547 [use_lint=$withval], [use_lint=no]) 548if test "x$use_lint" = "xyes" ; then 549 LINT="lint" 550else 551 LINT="$use_lint" 552fi 553if test "x$LINT_FLAGS" = "x" -a "x$LINT" != "xno" ; then 554 case $LINT in 555 lint|*/lint) 556 case $host_os in 557 solaris*) 558 LINT_FLAGS="-u -b -h -erroff=E_INDISTING_FROM_TRUNC2" 559 ;; 560 esac 561 ;; 562 esac 563fi 564 565AC_SUBST(LINT) 566AC_SUBST(LINT_FLAGS) 567AM_CONDITIONAL(LINT, [test x$LINT != xno]) 568 569]) # XORG_WITH_LINT 570 571# XORG_LINT_LIBRARY(LIBNAME) 572# -------------------------- 573# Minimum version: 1.1.0 574# 575# Sets up flags for building lint libraries for checking programs that call 576# functions in the library. 577# Disabled by default, enable with --enable-lint-library 578# Sets: 579# @LINTLIB@ - name of lint library file to make 580# MAKE_LINT_LIB - automake conditional 581# 582 583AC_DEFUN([XORG_LINT_LIBRARY],[ 584AC_REQUIRE([XORG_WITH_LINT]) 585# Build lint "library" for more indepth checks of programs calling this library 586AC_ARG_ENABLE(lint-library, [AC_HELP_STRING([--enable-lint-library], 587 [Create lint library (default: disabled)])], 588 [make_lint_lib=$enableval], [make_lint_lib=no]) 589if test "x$make_lint_lib" != "xno" ; then 590 if test "x$LINT" = "xno" ; then 591 AC_MSG_ERROR([Cannot make lint library without --with-lint]) 592 fi 593 if test "x$make_lint_lib" = "xyes" ; then 594 LINTLIB=llib-l$1.ln 595 else 596 LINTLIB=$make_lint_lib 597 fi 598fi 599AC_SUBST(LINTLIB) 600AM_CONDITIONAL(MAKE_LINT_LIB, [test x$make_lint_lib != xno]) 601 602]) # XORG_LINT_LIBRARY 603 604dnl Copyright 2005 Red Hat, Inc 605dnl 606dnl Permission to use, copy, modify, distribute, and sell this software and its 607dnl documentation for any purpose is hereby granted without fee, provided that 608dnl the above copyright notice appear in all copies and that both that 609dnl copyright notice and this permission notice appear in supporting 610dnl documentation. 611dnl 612dnl The above copyright notice and this permission notice shall be included 613dnl in all copies or substantial portions of the Software. 614dnl 615dnl THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS 616dnl OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 617dnl MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. 618dnl IN NO EVENT SHALL THE OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR 619dnl OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 620dnl ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 621dnl OTHER DEALINGS IN THE SOFTWARE. 622dnl 623dnl Except as contained in this notice, the name of the copyright holders shall 624dnl not be used in advertising or otherwise to promote the sale, use or 625dnl other dealings in this Software without prior written authorization 626dnl from the copyright holders. 627dnl 628 629# XORG_RELEASE_VERSION 630# -------------------- 631# Adds --with/without-release-string and changes the PACKAGE and 632# PACKAGE_TARNAME to use "$PACKAGE{_TARNAME}-$RELEASE_VERSION". If 633# no option is given, PACKAGE and PACKAGE_TARNAME are unchanged. 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