1# generated automatically by aclocal 1.16.1 -*- Autoconf -*- 2 3# Copyright (C) 1996-2018 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 11 (pkg-config-0.29.1) 25 26dnl Copyright © 2004 Scott James Remnant <scott@netsplit.com>. 27dnl Copyright © 2012-2015 Dan Nicholson <dbn.lists@gmail.com> 28dnl 29dnl This program is free software; you can redistribute it and/or modify 30dnl it under the terms of the GNU General Public License as published by 31dnl the Free Software Foundation; either version 2 of the License, or 32dnl (at your option) any later version. 33dnl 34dnl This program is distributed in the hope that it will be useful, but 35dnl WITHOUT ANY WARRANTY; without even the implied warranty of 36dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 37dnl General Public License for more details. 38dnl 39dnl You should have received a copy of the GNU General Public License 40dnl along with this program; if not, write to the Free Software 41dnl Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 42dnl 02111-1307, USA. 43dnl 44dnl As a special exception to the GNU General Public License, if you 45dnl distribute this file as part of a program that contains a 46dnl configuration script generated by Autoconf, you may include it under 47dnl the same distribution terms that you use for the rest of that 48dnl program. 49 50dnl PKG_PREREQ(MIN-VERSION) 51dnl ----------------------- 52dnl Since: 0.29 53dnl 54dnl Verify that the version of the pkg-config macros are at least 55dnl MIN-VERSION. Unlike PKG_PROG_PKG_CONFIG, which checks the user's 56dnl installed version of pkg-config, this checks the developer's version 57dnl of pkg.m4 when generating configure. 58dnl 59dnl To ensure that this macro is defined, also add: 60dnl m4_ifndef([PKG_PREREQ], 61dnl [m4_fatal([must install pkg-config 0.29 or later before running autoconf/autogen])]) 62dnl 63dnl See the "Since" comment for each macro you use to see what version 64dnl of the macros you require. 65m4_defun([PKG_PREREQ], 66[m4_define([PKG_MACROS_VERSION], [0.29.1]) 67m4_if(m4_version_compare(PKG_MACROS_VERSION, [$1]), -1, 68 [m4_fatal([pkg.m4 version $1 or higher is required but ]PKG_MACROS_VERSION[ found])]) 69])dnl PKG_PREREQ 70 71dnl PKG_PROG_PKG_CONFIG([MIN-VERSION]) 72dnl ---------------------------------- 73dnl Since: 0.16 74dnl 75dnl Search for the pkg-config tool and set the PKG_CONFIG variable to 76dnl first found in the path. Checks that the version of pkg-config found 77dnl is at least MIN-VERSION. If MIN-VERSION is not specified, 0.9.0 is 78dnl used since that's the first version where most current features of 79dnl pkg-config existed. 80AC_DEFUN([PKG_PROG_PKG_CONFIG], 81[m4_pattern_forbid([^_?PKG_[A-Z_]+$]) 82m4_pattern_allow([^PKG_CONFIG(_(PATH|LIBDIR|SYSROOT_DIR|ALLOW_SYSTEM_(CFLAGS|LIBS)))?$]) 83m4_pattern_allow([^PKG_CONFIG_(DISABLE_UNINSTALLED|TOP_BUILD_DIR|DEBUG_SPEW)$]) 84AC_ARG_VAR([PKG_CONFIG], [path to pkg-config utility]) 85AC_ARG_VAR([PKG_CONFIG_PATH], [directories to add to pkg-config's search path]) 86AC_ARG_VAR([PKG_CONFIG_LIBDIR], [path overriding pkg-config's built-in search path]) 87 88if test "x$ac_cv_env_PKG_CONFIG_set" != "xset"; then 89 AC_PATH_TOOL([PKG_CONFIG], [pkg-config]) 90fi 91if test -n "$PKG_CONFIG"; then 92 _pkg_min_version=m4_default([$1], [0.9.0]) 93 AC_MSG_CHECKING([pkg-config is at least version $_pkg_min_version]) 94 if $PKG_CONFIG --atleast-pkgconfig-version $_pkg_min_version; then 95 AC_MSG_RESULT([yes]) 96 else 97 AC_MSG_RESULT([no]) 98 PKG_CONFIG="" 99 fi 100fi[]dnl 101])dnl PKG_PROG_PKG_CONFIG 102 103dnl PKG_CHECK_EXISTS(MODULES, [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND]) 104dnl ------------------------------------------------------------------- 105dnl Since: 0.18 106dnl 107dnl Check to see whether a particular set of modules exists. Similar to 108dnl PKG_CHECK_MODULES(), but does not set variables or print errors. 109dnl 110dnl Please remember that m4 expands AC_REQUIRE([PKG_PROG_PKG_CONFIG]) 111dnl only at the first occurence in configure.ac, so if the first place 112dnl it's called might be skipped (such as if it is within an "if", you 113dnl have to call PKG_CHECK_EXISTS manually 114AC_DEFUN([PKG_CHECK_EXISTS], 115[AC_REQUIRE([PKG_PROG_PKG_CONFIG])dnl 116if test -n "$PKG_CONFIG" && \ 117 AC_RUN_LOG([$PKG_CONFIG --exists --print-errors "$1"]); then 118 m4_default([$2], [:]) 119m4_ifvaln([$3], [else 120 $3])dnl 121fi]) 122 123dnl _PKG_CONFIG([VARIABLE], [COMMAND], [MODULES]) 124dnl --------------------------------------------- 125dnl Internal wrapper calling pkg-config via PKG_CONFIG and setting 126dnl pkg_failed based on the result. 127m4_define([_PKG_CONFIG], 128[if test -n "$$1"; then 129 pkg_cv_[]$1="$$1" 130 elif test -n "$PKG_CONFIG"; then 131 PKG_CHECK_EXISTS([$3], 132 [pkg_cv_[]$1=`$PKG_CONFIG --[]$2 "$3" 2>/dev/null` 133 test "x$?" != "x0" && pkg_failed=yes ], 134 [pkg_failed=yes]) 135 else 136 pkg_failed=untried 137fi[]dnl 138])dnl _PKG_CONFIG 139 140dnl _PKG_SHORT_ERRORS_SUPPORTED 141dnl --------------------------- 142dnl Internal check to see if pkg-config supports short errors. 143AC_DEFUN([_PKG_SHORT_ERRORS_SUPPORTED], 144[AC_REQUIRE([PKG_PROG_PKG_CONFIG]) 145if $PKG_CONFIG --atleast-pkgconfig-version 0.20; then 146 _pkg_short_errors_supported=yes 147else 148 _pkg_short_errors_supported=no 149fi[]dnl 150])dnl _PKG_SHORT_ERRORS_SUPPORTED 151 152 153dnl PKG_CHECK_MODULES(VARIABLE-PREFIX, MODULES, [ACTION-IF-FOUND], 154dnl [ACTION-IF-NOT-FOUND]) 155dnl -------------------------------------------------------------- 156dnl Since: 0.4.0 157dnl 158dnl Note that if there is a possibility the first call to 159dnl PKG_CHECK_MODULES might not happen, you should be sure to include an 160dnl explicit call to PKG_PROG_PKG_CONFIG in your configure.ac 161AC_DEFUN([PKG_CHECK_MODULES], 162[AC_REQUIRE([PKG_PROG_PKG_CONFIG])dnl 163AC_ARG_VAR([$1][_CFLAGS], [C compiler flags for $1, overriding pkg-config])dnl 164AC_ARG_VAR([$1][_LIBS], [linker flags for $1, overriding pkg-config])dnl 165 166pkg_failed=no 167AC_MSG_CHECKING([for $1]) 168 169_PKG_CONFIG([$1][_CFLAGS], [cflags], [$2]) 170_PKG_CONFIG([$1][_LIBS], [libs], [$2]) 171 172m4_define([_PKG_TEXT], [Alternatively, you may set the environment variables $1[]_CFLAGS 173and $1[]_LIBS to avoid the need to call pkg-config. 174See the pkg-config man page for more details.]) 175 176if test $pkg_failed = yes; then 177 AC_MSG_RESULT([no]) 178 _PKG_SHORT_ERRORS_SUPPORTED 179 if test $_pkg_short_errors_supported = yes; then 180 $1[]_PKG_ERRORS=`$PKG_CONFIG --short-errors --print-errors --cflags --libs "$2" 2>&1` 181 else 182 $1[]_PKG_ERRORS=`$PKG_CONFIG --print-errors --cflags --libs "$2" 2>&1` 183 fi 184 # Put the nasty error message in config.log where it belongs 185 echo "$$1[]_PKG_ERRORS" >&AS_MESSAGE_LOG_FD 186 187 m4_default([$4], [AC_MSG_ERROR( 188[Package requirements ($2) were not met: 189 190$$1_PKG_ERRORS 191 192Consider adjusting the PKG_CONFIG_PATH environment variable if you 193installed software in a non-standard prefix. 194 195_PKG_TEXT])[]dnl 196 ]) 197elif test $pkg_failed = untried; then 198 AC_MSG_RESULT([no]) 199 m4_default([$4], [AC_MSG_FAILURE( 200[The pkg-config script could not be found or is too old. Make sure it 201is in your PATH or set the PKG_CONFIG environment variable to the full 202path to pkg-config. 203 204_PKG_TEXT 205 206To get pkg-config, see <http://pkg-config.freedesktop.org/>.])[]dnl 207 ]) 208else 209 $1[]_CFLAGS=$pkg_cv_[]$1[]_CFLAGS 210 $1[]_LIBS=$pkg_cv_[]$1[]_LIBS 211 AC_MSG_RESULT([yes]) 212 $3 213fi[]dnl 214])dnl PKG_CHECK_MODULES 215 216 217dnl PKG_CHECK_MODULES_STATIC(VARIABLE-PREFIX, MODULES, [ACTION-IF-FOUND], 218dnl [ACTION-IF-NOT-FOUND]) 219dnl --------------------------------------------------------------------- 220dnl Since: 0.29 221dnl 222dnl Checks for existence of MODULES and gathers its build flags with 223dnl static libraries enabled. Sets VARIABLE-PREFIX_CFLAGS from --cflags 224dnl and VARIABLE-PREFIX_LIBS from --libs. 225dnl 226dnl Note that if there is a possibility the first call to 227dnl PKG_CHECK_MODULES_STATIC might not happen, you should be sure to 228dnl include an explicit call to PKG_PROG_PKG_CONFIG in your 229dnl configure.ac. 230AC_DEFUN([PKG_CHECK_MODULES_STATIC], 231[AC_REQUIRE([PKG_PROG_PKG_CONFIG])dnl 232_save_PKG_CONFIG=$PKG_CONFIG 233PKG_CONFIG="$PKG_CONFIG --static" 234PKG_CHECK_MODULES($@) 235PKG_CONFIG=$_save_PKG_CONFIG[]dnl 236])dnl PKG_CHECK_MODULES_STATIC 237 238 239dnl PKG_INSTALLDIR([DIRECTORY]) 240dnl ------------------------- 241dnl Since: 0.27 242dnl 243dnl Substitutes the variable pkgconfigdir as the location where a module 244dnl should install pkg-config .pc files. By default the directory is 245dnl $libdir/pkgconfig, but the default can be changed by passing 246dnl DIRECTORY. The user can override through the --with-pkgconfigdir 247dnl parameter. 248AC_DEFUN([PKG_INSTALLDIR], 249[m4_pushdef([pkg_default], [m4_default([$1], ['${libdir}/pkgconfig'])]) 250m4_pushdef([pkg_description], 251 [pkg-config installation directory @<:@]pkg_default[@:>@]) 252AC_ARG_WITH([pkgconfigdir], 253 [AS_HELP_STRING([--with-pkgconfigdir], pkg_description)],, 254 [with_pkgconfigdir=]pkg_default) 255AC_SUBST([pkgconfigdir], [$with_pkgconfigdir]) 256m4_popdef([pkg_default]) 257m4_popdef([pkg_description]) 258])dnl PKG_INSTALLDIR 259 260 261dnl PKG_NOARCH_INSTALLDIR([DIRECTORY]) 262dnl -------------------------------- 263dnl Since: 0.27 264dnl 265dnl Substitutes the variable noarch_pkgconfigdir as the location where a 266dnl module should install arch-independent pkg-config .pc files. By 267dnl default the directory is $datadir/pkgconfig, but the default can be 268dnl changed by passing DIRECTORY. The user can override through the 269dnl --with-noarch-pkgconfigdir parameter. 270AC_DEFUN([PKG_NOARCH_INSTALLDIR], 271[m4_pushdef([pkg_default], [m4_default([$1], ['${datadir}/pkgconfig'])]) 272m4_pushdef([pkg_description], 273 [pkg-config arch-independent installation directory @<:@]pkg_default[@:>@]) 274AC_ARG_WITH([noarch-pkgconfigdir], 275 [AS_HELP_STRING([--with-noarch-pkgconfigdir], pkg_description)],, 276 [with_noarch_pkgconfigdir=]pkg_default) 277AC_SUBST([noarch_pkgconfigdir], [$with_noarch_pkgconfigdir]) 278m4_popdef([pkg_default]) 279m4_popdef([pkg_description]) 280])dnl PKG_NOARCH_INSTALLDIR 281 282 283dnl PKG_CHECK_VAR(VARIABLE, MODULE, CONFIG-VARIABLE, 284dnl [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND]) 285dnl ------------------------------------------- 286dnl Since: 0.28 287dnl 288dnl Retrieves the value of the pkg-config variable for the given module. 289AC_DEFUN([PKG_CHECK_VAR], 290[AC_REQUIRE([PKG_PROG_PKG_CONFIG])dnl 291AC_ARG_VAR([$1], [value of $3 for $2, overriding pkg-config])dnl 292 293_PKG_CONFIG([$1], [variable="][$3]["], [$2]) 294AS_VAR_COPY([$1], [pkg_cv_][$1]) 295 296AS_VAR_IF([$1], [""], [$5], [$4])dnl 297])dnl PKG_CHECK_VAR 298 299dnl PKG_WITH_MODULES(VARIABLE-PREFIX, MODULES, 300dnl [ACTION-IF-FOUND],[ACTION-IF-NOT-FOUND], 301dnl [DESCRIPTION], [DEFAULT]) 302dnl ------------------------------------------ 303dnl 304dnl Prepare a "--with-" configure option using the lowercase 305dnl [VARIABLE-PREFIX] name, merging the behaviour of AC_ARG_WITH and 306dnl PKG_CHECK_MODULES in a single macro. 307AC_DEFUN([PKG_WITH_MODULES], 308[ 309m4_pushdef([with_arg], m4_tolower([$1])) 310 311m4_pushdef([description], 312 [m4_default([$5], [build with ]with_arg[ support])]) 313 314m4_pushdef([def_arg], [m4_default([$6], [auto])]) 315m4_pushdef([def_action_if_found], [AS_TR_SH([with_]with_arg)=yes]) 316m4_pushdef([def_action_if_not_found], [AS_TR_SH([with_]with_arg)=no]) 317 318m4_case(def_arg, 319 [yes],[m4_pushdef([with_without], [--without-]with_arg)], 320 [m4_pushdef([with_without],[--with-]with_arg)]) 321 322AC_ARG_WITH(with_arg, 323 AS_HELP_STRING(with_without, description[ @<:@default=]def_arg[@:>@]),, 324 [AS_TR_SH([with_]with_arg)=def_arg]) 325 326AS_CASE([$AS_TR_SH([with_]with_arg)], 327 [yes],[PKG_CHECK_MODULES([$1],[$2],$3,$4)], 328 [auto],[PKG_CHECK_MODULES([$1],[$2], 329 [m4_n([def_action_if_found]) $3], 330 [m4_n([def_action_if_not_found]) $4])]) 331 332m4_popdef([with_arg]) 333m4_popdef([description]) 334m4_popdef([def_arg]) 335 336])dnl PKG_WITH_MODULES 337 338dnl PKG_HAVE_WITH_MODULES(VARIABLE-PREFIX, MODULES, 339dnl [DESCRIPTION], [DEFAULT]) 340dnl ----------------------------------------------- 341dnl 342dnl Convenience macro to trigger AM_CONDITIONAL after PKG_WITH_MODULES 343dnl check._[VARIABLE-PREFIX] is exported as make variable. 344AC_DEFUN([PKG_HAVE_WITH_MODULES], 345[ 346PKG_WITH_MODULES([$1],[$2],,,[$3],[$4]) 347 348AM_CONDITIONAL([HAVE_][$1], 349 [test "$AS_TR_SH([with_]m4_tolower([$1]))" = "yes"]) 350])dnl PKG_HAVE_WITH_MODULES 351 352dnl PKG_HAVE_DEFINE_WITH_MODULES(VARIABLE-PREFIX, MODULES, 353dnl [DESCRIPTION], [DEFAULT]) 354dnl ------------------------------------------------------ 355dnl 356dnl Convenience macro to run AM_CONDITIONAL and AC_DEFINE after 357dnl PKG_WITH_MODULES check. HAVE_[VARIABLE-PREFIX] is exported as make 358dnl and preprocessor variable. 359AC_DEFUN([PKG_HAVE_DEFINE_WITH_MODULES], 360[ 361PKG_HAVE_WITH_MODULES([$1],[$2],[$3],[$4]) 362 363AS_IF([test "$AS_TR_SH([with_]m4_tolower([$1]))" = "yes"], 364 [AC_DEFINE([HAVE_][$1], 1, [Enable ]m4_tolower([$1])[ support])]) 365])dnl PKG_HAVE_DEFINE_WITH_MODULES 366 367dnl xorg-macros.m4. Generated from xorg-macros.m4.in xorgversion.m4 by configure. 368dnl 369dnl Copyright (c) 2005, 2015, Oracle and/or its affiliates. All rights reserved. 370dnl 371dnl Permission is hereby granted, free of charge, to any person obtaining a 372dnl copy of this software and associated documentation files (the "Software"), 373dnl to deal in the Software without restriction, including without limitation 374dnl the rights to use, copy, modify, merge, publish, distribute, sublicense, 375dnl and/or sell copies of the Software, and to permit persons to whom the 376dnl Software is furnished to do so, subject to the following conditions: 377dnl 378dnl The above copyright notice and this permission notice (including the next 379dnl paragraph) shall be included in all copies or substantial portions of the 380dnl Software. 381dnl 382dnl THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 383dnl IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 384dnl FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 385dnl THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 386dnl LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING 387dnl FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER 388dnl DEALINGS IN THE SOFTWARE. 389 390# XORG_MACROS_VERSION(required-version) 391# ------------------------------------- 392# Minimum version: 1.1.0 393# 394# If you're using a macro added in Version 1.1 or newer, include this in 395# your configure.ac with the minimum required version, such as: 396# XORG_MACROS_VERSION(1.1) 397# 398# To ensure that this macro is defined, also add: 399# m4_ifndef([XORG_MACROS_VERSION], 400# [m4_fatal([must install xorg-macros 1.1 or later before running autoconf/autogen])]) 401# 402# 403# See the "minimum version" comment for each macro you use to see what 404# version you require. 405m4_defun([XORG_MACROS_VERSION],[ 406m4_define([vers_have], [1.19.2]) 407m4_define([maj_have], m4_substr(vers_have, 0, m4_index(vers_have, [.]))) 408m4_define([maj_needed], m4_substr([$1], 0, m4_index([$1], [.]))) 409m4_if(m4_cmp(maj_have, maj_needed), 0,, 410 [m4_fatal([xorg-macros major version ]maj_needed[ is required but ]vers_have[ found])]) 411m4_if(m4_version_compare(vers_have, [$1]), -1, 412 [m4_fatal([xorg-macros version $1 or higher is required but ]vers_have[ found])]) 413m4_undefine([vers_have]) 414m4_undefine([maj_have]) 415m4_undefine([maj_needed]) 416]) # XORG_MACROS_VERSION 417 418# XORG_PROG_RAWCPP() 419# ------------------ 420# Minimum version: 1.0.0 421# 422# Find cpp program and necessary flags for use in pre-processing text files 423# such as man pages and config files 424AC_DEFUN([XORG_PROG_RAWCPP],[ 425AC_REQUIRE([AC_PROG_CPP]) 426AC_PATH_PROGS(RAWCPP, [cpp], [${CPP}], 427 [$PATH:/bin:/usr/bin:/usr/lib:/usr/libexec:/usr/ccs/lib:/usr/ccs/lbin:/lib]) 428 429# Check for flag to avoid builtin definitions - assumes unix is predefined, 430# which is not the best choice for supporting other OS'es, but covers most 431# of the ones we need for now. 432AC_MSG_CHECKING([if $RAWCPP requires -undef]) 433AC_LANG_CONFTEST([AC_LANG_SOURCE([[Does cpp redefine unix ?]])]) 434if test `${RAWCPP} < conftest.$ac_ext | grep -c 'unix'` -eq 1 ; then 435 AC_MSG_RESULT([no]) 436else 437 if test `${RAWCPP} -undef < conftest.$ac_ext | grep -c 'unix'` -eq 1 ; then 438 RAWCPPFLAGS=-undef 439 AC_MSG_RESULT([yes]) 440 # under Cygwin unix is still defined even with -undef 441 elif test `${RAWCPP} -undef -ansi < conftest.$ac_ext | grep -c 'unix'` -eq 1 ; then 442 RAWCPPFLAGS="-undef -ansi" 443 AC_MSG_RESULT([yes, with -ansi]) 444 else 445 AC_MSG_ERROR([${RAWCPP} defines unix with or without -undef. I don't know what to do.]) 446 fi 447fi 448rm -f conftest.$ac_ext 449 450AC_MSG_CHECKING([if $RAWCPP requires -traditional]) 451AC_LANG_CONFTEST([AC_LANG_SOURCE([[Does cpp preserve "whitespace"?]])]) 452if test `${RAWCPP} < conftest.$ac_ext | grep -c 'preserve \"'` -eq 1 ; then 453 AC_MSG_RESULT([no]) 454else 455 if test `${RAWCPP} -traditional < conftest.$ac_ext | grep -c 'preserve \"'` -eq 1 ; then 456 TRADITIONALCPPFLAGS="-traditional" 457 RAWCPPFLAGS="${RAWCPPFLAGS} -traditional" 458 AC_MSG_RESULT([yes]) 459 else 460 AC_MSG_ERROR([${RAWCPP} does not preserve whitespace with or without -traditional. I don't know what to do.]) 461 fi 462fi 463rm -f conftest.$ac_ext 464AC_SUBST(RAWCPPFLAGS) 465AC_SUBST(TRADITIONALCPPFLAGS) 466]) # XORG_PROG_RAWCPP 467 468# XORG_MANPAGE_SECTIONS() 469# ----------------------- 470# Minimum version: 1.0.0 471# 472# Determine which sections man pages go in for the different man page types 473# on this OS - replaces *ManSuffix settings in old Imake *.cf per-os files. 474# Not sure if there's any better way than just hardcoding by OS name. 475# Override default settings by setting environment variables 476# Added MAN_SUBSTS in version 1.8 477# Added AC_PROG_SED in version 1.8 478 479AC_DEFUN([XORG_MANPAGE_SECTIONS],[ 480AC_REQUIRE([AC_CANONICAL_HOST]) 481AC_REQUIRE([AC_PROG_SED]) 482 483case $host_os in 484 solaris*) 485 # Solaris 2.0 - 11.3 use SysV man page section numbers, so we 486 # check for a man page file found in later versions that use 487 # traditional section numbers instead 488 AC_CHECK_FILE([/usr/share/man/man7/attributes.7], 489 [SYSV_MAN_SECTIONS=false], [SYSV_MAN_SECTIONS=true]) 490 ;; 491 *) SYSV_MAN_SECTIONS=false ;; 492esac 493 494if test x$APP_MAN_SUFFIX = x ; then 495 APP_MAN_SUFFIX=1 496fi 497if test x$APP_MAN_DIR = x ; then 498 APP_MAN_DIR='$(mandir)/man$(APP_MAN_SUFFIX)' 499fi 500 501if test x$LIB_MAN_SUFFIX = x ; then 502 LIB_MAN_SUFFIX=3 503fi 504if test x$LIB_MAN_DIR = x ; then 505 LIB_MAN_DIR='$(mandir)/man$(LIB_MAN_SUFFIX)' 506fi 507 508if test x$FILE_MAN_SUFFIX = x ; then 509 case $SYSV_MAN_SECTIONS in 510 true) FILE_MAN_SUFFIX=4 ;; 511 *) FILE_MAN_SUFFIX=5 ;; 512 esac 513fi 514if test x$FILE_MAN_DIR = x ; then 515 FILE_MAN_DIR='$(mandir)/man$(FILE_MAN_SUFFIX)' 516fi 517 518if test x$MISC_MAN_SUFFIX = x ; then 519 case $SYSV_MAN_SECTIONS in 520 true) MISC_MAN_SUFFIX=5 ;; 521 *) MISC_MAN_SUFFIX=7 ;; 522 esac 523fi 524if test x$MISC_MAN_DIR = x ; then 525 MISC_MAN_DIR='$(mandir)/man$(MISC_MAN_SUFFIX)' 526fi 527 528if test x$DRIVER_MAN_SUFFIX = x ; then 529 case $SYSV_MAN_SECTIONS in 530 true) DRIVER_MAN_SUFFIX=7 ;; 531 *) DRIVER_MAN_SUFFIX=4 ;; 532 esac 533fi 534if test x$DRIVER_MAN_DIR = x ; then 535 DRIVER_MAN_DIR='$(mandir)/man$(DRIVER_MAN_SUFFIX)' 536fi 537 538if test x$ADMIN_MAN_SUFFIX = x ; then 539 case $SYSV_MAN_SECTIONS in 540 true) ADMIN_MAN_SUFFIX=1m ;; 541 *) ADMIN_MAN_SUFFIX=8 ;; 542 esac 543fi 544if test x$ADMIN_MAN_DIR = x ; then 545 ADMIN_MAN_DIR='$(mandir)/man$(ADMIN_MAN_SUFFIX)' 546fi 547 548 549AC_SUBST([APP_MAN_SUFFIX]) 550AC_SUBST([LIB_MAN_SUFFIX]) 551AC_SUBST([FILE_MAN_SUFFIX]) 552AC_SUBST([MISC_MAN_SUFFIX]) 553AC_SUBST([DRIVER_MAN_SUFFIX]) 554AC_SUBST([ADMIN_MAN_SUFFIX]) 555AC_SUBST([APP_MAN_DIR]) 556AC_SUBST([LIB_MAN_DIR]) 557AC_SUBST([FILE_MAN_DIR]) 558AC_SUBST([MISC_MAN_DIR]) 559AC_SUBST([DRIVER_MAN_DIR]) 560AC_SUBST([ADMIN_MAN_DIR]) 561 562XORG_MAN_PAGE="X Version 11" 563AC_SUBST([XORG_MAN_PAGE]) 564MAN_SUBSTS="\ 565 -e 's|__vendorversion__|\"\$(PACKAGE_STRING)\" \"\$(XORG_MAN_PAGE)\"|' \ 566 -e 's|__xorgversion__|\"\$(PACKAGE_STRING)\" \"\$(XORG_MAN_PAGE)\"|' \ 567 -e 's|__xservername__|Xorg|g' \ 568 -e 's|__xconfigfile__|xorg.conf|g' \ 569 -e 's|__projectroot__|\$(prefix)|g' \ 570 -e 's|__apploaddir__|\$(appdefaultdir)|g' \ 571 -e 's|__appmansuffix__|\$(APP_MAN_SUFFIX)|g' \ 572 -e 's|__drivermansuffix__|\$(DRIVER_MAN_SUFFIX)|g' \ 573 -e 's|__adminmansuffix__|\$(ADMIN_MAN_SUFFIX)|g' \ 574 -e 's|__libmansuffix__|\$(LIB_MAN_SUFFIX)|g' \ 575 -e 's|__miscmansuffix__|\$(MISC_MAN_SUFFIX)|g' \ 576 -e 's|__filemansuffix__|\$(FILE_MAN_SUFFIX)|g'" 577AC_SUBST([MAN_SUBSTS]) 578 579]) # XORG_MANPAGE_SECTIONS 580 581# XORG_CHECK_SGML_DOCTOOLS([MIN-VERSION]) 582# ------------------------ 583# Minimum version: 1.7.0 584# 585# Defines the variable XORG_SGML_PATH containing the location of X11/defs.ent 586# provided by xorg-sgml-doctools, if installed. 587AC_DEFUN([XORG_CHECK_SGML_DOCTOOLS],[ 588AC_MSG_CHECKING([for X.Org SGML entities m4_ifval([$1],[>= $1])]) 589XORG_SGML_PATH= 590PKG_CHECK_EXISTS([xorg-sgml-doctools m4_ifval([$1],[>= $1])], 591 [XORG_SGML_PATH=`$PKG_CONFIG --variable=sgmlrootdir xorg-sgml-doctools`], 592 [m4_ifval([$1],[:], 593 [if test x"$cross_compiling" != x"yes" ; then 594 AC_CHECK_FILE([$prefix/share/sgml/X11/defs.ent], 595 [XORG_SGML_PATH=$prefix/share/sgml]) 596 fi]) 597 ]) 598 599# Define variables STYLESHEET_SRCDIR and XSL_STYLESHEET containing 600# the path and the name of the doc stylesheet 601if test "x$XORG_SGML_PATH" != "x" ; then 602 AC_MSG_RESULT([$XORG_SGML_PATH]) 603 STYLESHEET_SRCDIR=$XORG_SGML_PATH/X11 604 XSL_STYLESHEET=$STYLESHEET_SRCDIR/xorg.xsl 605else 606 AC_MSG_RESULT([no]) 607fi 608 609AC_SUBST(XORG_SGML_PATH) 610AC_SUBST(STYLESHEET_SRCDIR) 611AC_SUBST(XSL_STYLESHEET) 612AM_CONDITIONAL([HAVE_STYLESHEETS], [test "x$XSL_STYLESHEET" != "x"]) 613]) # XORG_CHECK_SGML_DOCTOOLS 614 615# XORG_CHECK_LINUXDOC 616# ------------------- 617# Minimum version: 1.0.0 618# 619# Defines the variable MAKE_TEXT if the necessary tools and 620# files are found. $(MAKE_TEXT) blah.sgml will then produce blah.txt. 621# Whether or not the necessary tools and files are found can be checked 622# with the AM_CONDITIONAL "BUILD_LINUXDOC" 623AC_DEFUN([XORG_CHECK_LINUXDOC],[ 624AC_REQUIRE([XORG_CHECK_SGML_DOCTOOLS]) 625AC_REQUIRE([XORG_WITH_PS2PDF]) 626 627AC_PATH_PROG(LINUXDOC, linuxdoc) 628 629AC_MSG_CHECKING([whether to build documentation]) 630 631if test x$XORG_SGML_PATH != x && test x$LINUXDOC != x ; then 632 BUILDDOC=yes 633else 634 BUILDDOC=no 635fi 636 637AM_CONDITIONAL(BUILD_LINUXDOC, [test x$BUILDDOC = xyes]) 638 639AC_MSG_RESULT([$BUILDDOC]) 640 641AC_MSG_CHECKING([whether to build pdf documentation]) 642 643if test x$have_ps2pdf != xno && test x$BUILD_PDFDOC != xno; then 644 BUILDPDFDOC=yes 645else 646 BUILDPDFDOC=no 647fi 648 649AM_CONDITIONAL(BUILD_PDFDOC, [test x$BUILDPDFDOC = xyes]) 650 651AC_MSG_RESULT([$BUILDPDFDOC]) 652 653MAKE_TEXT="SGML_SEARCH_PATH=$XORG_SGML_PATH GROFF_NO_SGR=y $LINUXDOC -B txt -f" 654MAKE_PS="SGML_SEARCH_PATH=$XORG_SGML_PATH $LINUXDOC -B latex --papersize=letter --output=ps" 655MAKE_PDF="$PS2PDF" 656MAKE_HTML="SGML_SEARCH_PATH=$XORG_SGML_PATH $LINUXDOC -B html --split=0" 657 658AC_SUBST(MAKE_TEXT) 659AC_SUBST(MAKE_PS) 660AC_SUBST(MAKE_PDF) 661AC_SUBST(MAKE_HTML) 662]) # XORG_CHECK_LINUXDOC 663 664# XORG_CHECK_DOCBOOK 665# ------------------- 666# Minimum version: 1.0.0 667# 668# Checks for the ability to build output formats from SGML DocBook source. 669# For XXX in {TXT, PDF, PS, HTML}, the AM_CONDITIONAL "BUILD_XXXDOC" 670# indicates whether the necessary tools and files are found and, if set, 671# $(MAKE_XXX) blah.sgml will produce blah.xxx. 672AC_DEFUN([XORG_CHECK_DOCBOOK],[ 673AC_REQUIRE([XORG_CHECK_SGML_DOCTOOLS]) 674 675BUILDTXTDOC=no 676BUILDPDFDOC=no 677BUILDPSDOC=no 678BUILDHTMLDOC=no 679 680AC_PATH_PROG(DOCBOOKPS, docbook2ps) 681AC_PATH_PROG(DOCBOOKPDF, docbook2pdf) 682AC_PATH_PROG(DOCBOOKHTML, docbook2html) 683AC_PATH_PROG(DOCBOOKTXT, docbook2txt) 684 685AC_MSG_CHECKING([whether to build text documentation]) 686if test x$XORG_SGML_PATH != x && test x$DOCBOOKTXT != x && 687 test x$BUILD_TXTDOC != xno; then 688 BUILDTXTDOC=yes 689fi 690AM_CONDITIONAL(BUILD_TXTDOC, [test x$BUILDTXTDOC = xyes]) 691AC_MSG_RESULT([$BUILDTXTDOC]) 692 693AC_MSG_CHECKING([whether to build PDF documentation]) 694if test x$XORG_SGML_PATH != x && test x$DOCBOOKPDF != x && 695 test x$BUILD_PDFDOC != xno; then 696 BUILDPDFDOC=yes 697fi 698AM_CONDITIONAL(BUILD_PDFDOC, [test x$BUILDPDFDOC = xyes]) 699AC_MSG_RESULT([$BUILDPDFDOC]) 700 701AC_MSG_CHECKING([whether to build PostScript documentation]) 702if test x$XORG_SGML_PATH != x && test x$DOCBOOKPS != x && 703 test x$BUILD_PSDOC != xno; then 704 BUILDPSDOC=yes 705fi 706AM_CONDITIONAL(BUILD_PSDOC, [test x$BUILDPSDOC = xyes]) 707AC_MSG_RESULT([$BUILDPSDOC]) 708 709AC_MSG_CHECKING([whether to build HTML documentation]) 710if test x$XORG_SGML_PATH != x && test x$DOCBOOKHTML != x && 711 test x$BUILD_HTMLDOC != xno; then 712 BUILDHTMLDOC=yes 713fi 714AM_CONDITIONAL(BUILD_HTMLDOC, [test x$BUILDHTMLDOC = xyes]) 715AC_MSG_RESULT([$BUILDHTMLDOC]) 716 717MAKE_TEXT="SGML_SEARCH_PATH=$XORG_SGML_PATH $DOCBOOKTXT" 718MAKE_PS="SGML_SEARCH_PATH=$XORG_SGML_PATH $DOCBOOKPS" 719MAKE_PDF="SGML_SEARCH_PATH=$XORG_SGML_PATH $DOCBOOKPDF" 720MAKE_HTML="SGML_SEARCH_PATH=$XORG_SGML_PATH $DOCBOOKHTML" 721 722AC_SUBST(MAKE_TEXT) 723AC_SUBST(MAKE_PS) 724AC_SUBST(MAKE_PDF) 725AC_SUBST(MAKE_HTML) 726]) # XORG_CHECK_DOCBOOK 727 728# XORG_WITH_XMLTO([MIN-VERSION], [DEFAULT]) 729# ---------------- 730# Minimum version: 1.5.0 731# Minimum version for optional DEFAULT argument: 1.11.0 732# 733# Documentation tools are not always available on all platforms and sometimes 734# not at the appropriate level. This macro enables a module to test for the 735# presence of the tool and obtain it's path in separate variables. Coupled with 736# the --with-xmlto option, it allows maximum flexibilty in making decisions 737# as whether or not to use the xmlto package. When DEFAULT is not specified, 738# --with-xmlto assumes 'auto'. 739# 740# Interface to module: 741# HAVE_XMLTO: used in makefiles to conditionally generate documentation 742# XMLTO: returns the path of the xmlto program found 743# returns the path set by the user in the environment 744# --with-xmlto: 'yes' user instructs the module to use xmlto 745# 'no' user instructs the module not to use xmlto 746# 747# Added in version 1.10.0 748# HAVE_XMLTO_TEXT: used in makefiles to conditionally generate text documentation 749# xmlto for text output requires either lynx, links, or w3m browsers 750# 751# If the user sets the value of XMLTO, AC_PATH_PROG skips testing the path. 752# 753AC_DEFUN([XORG_WITH_XMLTO],[ 754AC_ARG_VAR([XMLTO], [Path to xmlto command]) 755m4_define([_defopt], m4_default([$2], [auto])) 756AC_ARG_WITH(xmlto, 757 AS_HELP_STRING([--with-xmlto], 758 [Use xmlto to regenerate documentation (default: ]_defopt[)]), 759 [use_xmlto=$withval], [use_xmlto=]_defopt) 760m4_undefine([_defopt]) 761 762if test "x$use_xmlto" = x"auto"; then 763 AC_PATH_PROG([XMLTO], [xmlto]) 764 if test "x$XMLTO" = "x"; then 765 AC_MSG_WARN([xmlto not found - documentation targets will be skipped]) 766 have_xmlto=no 767 else 768 have_xmlto=yes 769 fi 770elif test "x$use_xmlto" = x"yes" ; then 771 AC_PATH_PROG([XMLTO], [xmlto]) 772 if test "x$XMLTO" = "x"; then 773 AC_MSG_ERROR([--with-xmlto=yes specified but xmlto not found in PATH]) 774 fi 775 have_xmlto=yes 776elif test "x$use_xmlto" = x"no" ; then 777 if test "x$XMLTO" != "x"; then 778 AC_MSG_WARN([ignoring XMLTO environment variable since --with-xmlto=no was specified]) 779 fi 780 have_xmlto=no 781else 782 AC_MSG_ERROR([--with-xmlto expects 'yes' or 'no']) 783fi 784 785# Test for a minimum version of xmlto, if provided. 786m4_ifval([$1], 787[if test "$have_xmlto" = yes; then 788 # scrape the xmlto version 789 AC_MSG_CHECKING([the xmlto version]) 790 xmlto_version=`$XMLTO --version 2>/dev/null | cut -d' ' -f3` 791 AC_MSG_RESULT([$xmlto_version]) 792 AS_VERSION_COMPARE([$xmlto_version], [$1], 793 [if test "x$use_xmlto" = xauto; then 794 AC_MSG_WARN([xmlto version $xmlto_version found, but $1 needed]) 795 have_xmlto=no 796 else 797 AC_MSG_ERROR([xmlto version $xmlto_version found, but $1 needed]) 798 fi]) 799fi]) 800 801# Test for the ability of xmlto to generate a text target 802# 803# NOTE: xmlto 0.0.27 or higher return a non-zero return code in the 804# following test for empty XML docbook files. 805# For compatibility reasons use the following empty XML docbook file and if 806# it fails try it again with a non-empty XML file. 807have_xmlto_text=no 808cat > conftest.xml << "EOF" 809EOF 810AS_IF([test "$have_xmlto" = yes], 811 [AS_IF([$XMLTO --skip-validation txt conftest.xml >/dev/null 2>&1], 812 [have_xmlto_text=yes], 813 [# Try it again with a non-empty XML file. 814 cat > conftest.xml << "EOF" 815<x></x> 816EOF 817 AS_IF([$XMLTO --skip-validation txt conftest.xml >/dev/null 2>&1], 818 [have_xmlto_text=yes], 819 [AC_MSG_WARN([xmlto cannot generate text format, this format skipped])])])]) 820rm -f conftest.xml 821AM_CONDITIONAL([HAVE_XMLTO_TEXT], [test $have_xmlto_text = yes]) 822AM_CONDITIONAL([HAVE_XMLTO], [test "$have_xmlto" = yes]) 823]) # XORG_WITH_XMLTO 824 825# XORG_WITH_XSLTPROC([MIN-VERSION], [DEFAULT]) 826# -------------------------------------------- 827# Minimum version: 1.12.0 828# Minimum version for optional DEFAULT argument: 1.12.0 829# 830# XSLT (Extensible Stylesheet Language Transformations) is a declarative, 831# XML-based language used for the transformation of XML documents. 832# The xsltproc command line tool is for applying XSLT stylesheets to XML documents. 833# It is used under the cover by xmlto to generate html files from DocBook/XML. 834# The XSLT processor is often used as a standalone tool for transformations. 835# It should not be assumed that this tool is used only to work with documnetation. 836# When DEFAULT is not specified, --with-xsltproc assumes 'auto'. 837# 838# Interface to module: 839# HAVE_XSLTPROC: used in makefiles to conditionally generate documentation 840# XSLTPROC: returns the path of the xsltproc program found 841# returns the path set by the user in the environment 842# --with-xsltproc: 'yes' user instructs the module to use xsltproc 843# 'no' user instructs the module not to use xsltproc 844# have_xsltproc: returns yes if xsltproc found in PATH or no 845# 846# If the user sets the value of XSLTPROC, AC_PATH_PROG skips testing the path. 847# 848AC_DEFUN([XORG_WITH_XSLTPROC],[ 849AC_ARG_VAR([XSLTPROC], [Path to xsltproc command]) 850# Preserves the interface, should it be implemented later 851m4_ifval([$1], [m4_warn([syntax], [Checking for xsltproc MIN-VERSION is not implemented])]) 852m4_define([_defopt], m4_default([$2], [auto])) 853AC_ARG_WITH(xsltproc, 854 AS_HELP_STRING([--with-xsltproc], 855 [Use xsltproc for the transformation of XML documents (default: ]_defopt[)]), 856 [use_xsltproc=$withval], [use_xsltproc=]_defopt) 857m4_undefine([_defopt]) 858 859if test "x$use_xsltproc" = x"auto"; then 860 AC_PATH_PROG([XSLTPROC], [xsltproc]) 861 if test "x$XSLTPROC" = "x"; then 862 AC_MSG_WARN([xsltproc not found - cannot transform XML documents]) 863 have_xsltproc=no 864 else 865 have_xsltproc=yes 866 fi 867elif test "x$use_xsltproc" = x"yes" ; then 868 AC_PATH_PROG([XSLTPROC], [xsltproc]) 869 if test "x$XSLTPROC" = "x"; then 870 AC_MSG_ERROR([--with-xsltproc=yes specified but xsltproc not found in PATH]) 871 fi 872 have_xsltproc=yes 873elif test "x$use_xsltproc" = x"no" ; then 874 if test "x$XSLTPROC" != "x"; then 875 AC_MSG_WARN([ignoring XSLTPROC environment variable since --with-xsltproc=no was specified]) 876 fi 877 have_xsltproc=no 878else 879 AC_MSG_ERROR([--with-xsltproc expects 'yes' or 'no']) 880fi 881 882AM_CONDITIONAL([HAVE_XSLTPROC], [test "$have_xsltproc" = yes]) 883]) # XORG_WITH_XSLTPROC 884 885# XORG_WITH_PERL([MIN-VERSION], [DEFAULT]) 886# ---------------------------------------- 887# Minimum version: 1.15.0 888# 889# PERL (Practical Extraction and Report Language) is a language optimized for 890# scanning arbitrary text files, extracting information from those text files, 891# and printing reports based on that information. 892# 893# When DEFAULT is not specified, --with-perl assumes 'auto'. 894# 895# Interface to module: 896# HAVE_PERL: used in makefiles to conditionally scan text files 897# PERL: returns the path of the perl program found 898# returns the path set by the user in the environment 899# --with-perl: 'yes' user instructs the module to use perl 900# 'no' user instructs the module not to use perl 901# have_perl: returns yes if perl found in PATH or no 902# 903# If the user sets the value of PERL, AC_PATH_PROG skips testing the path. 904# 905AC_DEFUN([XORG_WITH_PERL],[ 906AC_ARG_VAR([PERL], [Path to perl command]) 907# Preserves the interface, should it be implemented later 908m4_ifval([$1], [m4_warn([syntax], [Checking for perl MIN-VERSION is not implemented])]) 909m4_define([_defopt], m4_default([$2], [auto])) 910AC_ARG_WITH(perl, 911 AS_HELP_STRING([--with-perl], 912 [Use perl for extracting information from files (default: ]_defopt[)]), 913 [use_perl=$withval], [use_perl=]_defopt) 914m4_undefine([_defopt]) 915 916if test "x$use_perl" = x"auto"; then 917 AC_PATH_PROG([PERL], [perl]) 918 if test "x$PERL" = "x"; then 919 AC_MSG_WARN([perl not found - cannot extract information and report]) 920 have_perl=no 921 else 922 have_perl=yes 923 fi 924elif test "x$use_perl" = x"yes" ; then 925 AC_PATH_PROG([PERL], [perl]) 926 if test "x$PERL" = "x"; then 927 AC_MSG_ERROR([--with-perl=yes specified but perl not found in PATH]) 928 fi 929 have_perl=yes 930elif test "x$use_perl" = x"no" ; then 931 if test "x$PERL" != "x"; then 932 AC_MSG_WARN([ignoring PERL environment variable since --with-perl=no was specified]) 933 fi 934 have_perl=no 935else 936 AC_MSG_ERROR([--with-perl expects 'yes' or 'no']) 937fi 938 939AM_CONDITIONAL([HAVE_PERL], [test "$have_perl" = yes]) 940]) # XORG_WITH_PERL 941 942# XORG_WITH_ASCIIDOC([MIN-VERSION], [DEFAULT]) 943# ---------------- 944# Minimum version: 1.5.0 945# Minimum version for optional DEFAULT argument: 1.11.0 946# 947# Documentation tools are not always available on all platforms and sometimes 948# not at the appropriate level. This macro enables a module to test for the 949# presence of the tool and obtain it's path in separate variables. Coupled with 950# the --with-asciidoc option, it allows maximum flexibilty in making decisions 951# as whether or not to use the asciidoc package. When DEFAULT is not specified, 952# --with-asciidoc assumes 'auto'. 953# 954# Interface to module: 955# HAVE_ASCIIDOC: used in makefiles to conditionally generate documentation 956# ASCIIDOC: returns the path of the asciidoc program found 957# returns the path set by the user in the environment 958# --with-asciidoc: 'yes' user instructs the module to use asciidoc 959# 'no' user instructs the module not to use asciidoc 960# 961# If the user sets the value of ASCIIDOC, AC_PATH_PROG skips testing the path. 962# 963AC_DEFUN([XORG_WITH_ASCIIDOC],[ 964AC_ARG_VAR([ASCIIDOC], [Path to asciidoc command]) 965m4_define([_defopt], m4_default([$2], [auto])) 966AC_ARG_WITH(asciidoc, 967 AS_HELP_STRING([--with-asciidoc], 968 [Use asciidoc to regenerate documentation (default: ]_defopt[)]), 969 [use_asciidoc=$withval], [use_asciidoc=]_defopt) 970m4_undefine([_defopt]) 971 972if test "x$use_asciidoc" = x"auto"; then 973 AC_PATH_PROG([ASCIIDOC], [asciidoc]) 974 if test "x$ASCIIDOC" = "x"; then 975 AC_MSG_WARN([asciidoc not found - documentation targets will be skipped]) 976 have_asciidoc=no 977 else 978 have_asciidoc=yes 979 fi 980elif test "x$use_asciidoc" = x"yes" ; then 981 AC_PATH_PROG([ASCIIDOC], [asciidoc]) 982 if test "x$ASCIIDOC" = "x"; then 983 AC_MSG_ERROR([--with-asciidoc=yes specified but asciidoc not found in PATH]) 984 fi 985 have_asciidoc=yes 986elif test "x$use_asciidoc" = x"no" ; then 987 if test "x$ASCIIDOC" != "x"; then 988 AC_MSG_WARN([ignoring ASCIIDOC environment variable since --with-asciidoc=no was specified]) 989 fi 990 have_asciidoc=no 991else 992 AC_MSG_ERROR([--with-asciidoc expects 'yes' or 'no']) 993fi 994m4_ifval([$1], 995[if test "$have_asciidoc" = yes; then 996 # scrape the asciidoc version 997 AC_MSG_CHECKING([the asciidoc version]) 998 asciidoc_version=`$ASCIIDOC --version 2>/dev/null | cut -d' ' -f2` 999 AC_MSG_RESULT([$asciidoc_version]) 1000 AS_VERSION_COMPARE([$asciidoc_version], [$1], 1001 [if test "x$use_asciidoc" = xauto; then 1002 AC_MSG_WARN([asciidoc version $asciidoc_version found, but $1 needed]) 1003 have_asciidoc=no 1004 else 1005 AC_MSG_ERROR([asciidoc version $asciidoc_version found, but $1 needed]) 1006 fi]) 1007fi]) 1008AM_CONDITIONAL([HAVE_ASCIIDOC], [test "$have_asciidoc" = yes]) 1009]) # XORG_WITH_ASCIIDOC 1010 1011# XORG_WITH_DOXYGEN([MIN-VERSION], [DEFAULT]) 1012# ------------------------------------------- 1013# Minimum version: 1.5.0 1014# Minimum version for optional DEFAULT argument: 1.11.0 1015# Minimum version for optional DOT checking: 1.18.0 1016# 1017# Documentation tools are not always available on all platforms and sometimes 1018# not at the appropriate level. This macro enables a module to test for the 1019# presence of the tool and obtain it's path in separate variables. Coupled with 1020# the --with-doxygen option, it allows maximum flexibilty in making decisions 1021# as whether or not to use the doxygen package. When DEFAULT is not specified, 1022# --with-doxygen assumes 'auto'. 1023# 1024# Interface to module: 1025# HAVE_DOXYGEN: used in makefiles to conditionally generate documentation 1026# DOXYGEN: returns the path of the doxygen program found 1027# returns the path set by the user in the environment 1028# --with-doxygen: 'yes' user instructs the module to use doxygen 1029# 'no' user instructs the module not to use doxygen 1030# 1031# If the user sets the value of DOXYGEN, AC_PATH_PROG skips testing the path. 1032# 1033AC_DEFUN([XORG_WITH_DOXYGEN],[ 1034AC_ARG_VAR([DOXYGEN], [Path to doxygen command]) 1035AC_ARG_VAR([DOT], [Path to the dot graphics utility]) 1036m4_define([_defopt], m4_default([$2], [auto])) 1037AC_ARG_WITH(doxygen, 1038 AS_HELP_STRING([--with-doxygen], 1039 [Use doxygen to regenerate documentation (default: ]_defopt[)]), 1040 [use_doxygen=$withval], [use_doxygen=]_defopt) 1041m4_undefine([_defopt]) 1042 1043if test "x$use_doxygen" = x"auto"; then 1044 AC_PATH_PROG([DOXYGEN], [doxygen]) 1045 if test "x$DOXYGEN" = "x"; then 1046 AC_MSG_WARN([doxygen not found - documentation targets will be skipped]) 1047 have_doxygen=no 1048 else 1049 have_doxygen=yes 1050 fi 1051elif test "x$use_doxygen" = x"yes" ; then 1052 AC_PATH_PROG([DOXYGEN], [doxygen]) 1053 if test "x$DOXYGEN" = "x"; then 1054 AC_MSG_ERROR([--with-doxygen=yes specified but doxygen not found in PATH]) 1055 fi 1056 have_doxygen=yes 1057elif test "x$use_doxygen" = x"no" ; then 1058 if test "x$DOXYGEN" != "x"; then 1059 AC_MSG_WARN([ignoring DOXYGEN environment variable since --with-doxygen=no was specified]) 1060 fi 1061 have_doxygen=no 1062else 1063 AC_MSG_ERROR([--with-doxygen expects 'yes' or 'no']) 1064fi 1065m4_ifval([$1], 1066[if test "$have_doxygen" = yes; then 1067 # scrape the doxygen version 1068 AC_MSG_CHECKING([the doxygen version]) 1069 doxygen_version=`$DOXYGEN --version 2>/dev/null` 1070 AC_MSG_RESULT([$doxygen_version]) 1071 AS_VERSION_COMPARE([$doxygen_version], [$1], 1072 [if test "x$use_doxygen" = xauto; then 1073 AC_MSG_WARN([doxygen version $doxygen_version found, but $1 needed]) 1074 have_doxygen=no 1075 else 1076 AC_MSG_ERROR([doxygen version $doxygen_version found, but $1 needed]) 1077 fi]) 1078fi]) 1079 1080dnl Check for DOT if we have doxygen. The caller decides if it is mandatory 1081dnl HAVE_DOT is a variable that can be used in your doxygen.in config file: 1082dnl HAVE_DOT = @HAVE_DOT@ 1083HAVE_DOT=no 1084if test "x$have_doxygen" = "xyes"; then 1085 AC_PATH_PROG([DOT], [dot]) 1086 if test "x$DOT" != "x"; then 1087 HAVE_DOT=yes 1088 fi 1089fi 1090 1091AC_SUBST([HAVE_DOT]) 1092AM_CONDITIONAL([HAVE_DOT], [test "$HAVE_DOT" = "yes"]) 1093AM_CONDITIONAL([HAVE_DOXYGEN], [test "$have_doxygen" = yes]) 1094]) # XORG_WITH_DOXYGEN 1095 1096# XORG_WITH_GROFF([DEFAULT]) 1097# ---------------- 1098# Minimum version: 1.6.0 1099# Minimum version for optional DEFAULT argument: 1.11.0 1100# 1101# Documentation tools are not always available on all platforms and sometimes 1102# not at the appropriate level. This macro enables a module to test for the 1103# presence of the tool and obtain it's path in separate variables. Coupled with 1104# the --with-groff option, it allows maximum flexibilty in making decisions 1105# as whether or not to use the groff package. When DEFAULT is not specified, 1106# --with-groff assumes 'auto'. 1107# 1108# Interface to module: 1109# HAVE_GROFF: used in makefiles to conditionally generate documentation 1110# HAVE_GROFF_MM: the memorandum macros (-mm) package 1111# HAVE_GROFF_MS: the -ms macros package 1112# GROFF: returns the path of the groff program found 1113# returns the path set by the user in the environment 1114# --with-groff: 'yes' user instructs the module to use groff 1115# 'no' user instructs the module not to use groff 1116# 1117# Added in version 1.9.0: 1118# HAVE_GROFF_HTML: groff has dependencies to output HTML format: 1119# pnmcut pnmcrop pnmtopng pnmtops from the netpbm package. 1120# psselect from the psutils package. 1121# the ghostcript package. Refer to the grohtml man pages 1122# 1123# If the user sets the value of GROFF, AC_PATH_PROG skips testing the path. 1124# 1125# OS and distros often splits groff in a basic and full package, the former 1126# having the groff program and the later having devices, fonts and macros 1127# Checking for the groff executable is not enough. 1128# 1129# If macros are missing, we cannot assume that groff is useless, so we don't 1130# unset HAVE_GROFF or GROFF env variables. 1131# HAVE_GROFF_?? can never be true while HAVE_GROFF is false. 1132# 1133AC_DEFUN([XORG_WITH_GROFF],[ 1134AC_ARG_VAR([GROFF], [Path to groff command]) 1135m4_define([_defopt], m4_default([$1], [auto])) 1136AC_ARG_WITH(groff, 1137 AS_HELP_STRING([--with-groff], 1138 [Use groff to regenerate documentation (default: ]_defopt[)]), 1139 [use_groff=$withval], [use_groff=]_defopt) 1140m4_undefine([_defopt]) 1141 1142if test "x$use_groff" = x"auto"; then 1143 AC_PATH_PROG([GROFF], [groff]) 1144 if test "x$GROFF" = "x"; then 1145 AC_MSG_WARN([groff not found - documentation targets will be skipped]) 1146 have_groff=no 1147 else 1148 have_groff=yes 1149 fi 1150elif test "x$use_groff" = x"yes" ; then 1151 AC_PATH_PROG([GROFF], [groff]) 1152 if test "x$GROFF" = "x"; then 1153 AC_MSG_ERROR([--with-groff=yes specified but groff not found in PATH]) 1154 fi 1155 have_groff=yes 1156elif test "x$use_groff" = x"no" ; then 1157 if test "x$GROFF" != "x"; then 1158 AC_MSG_WARN([ignoring GROFF environment variable since --with-groff=no was specified]) 1159 fi 1160 have_groff=no 1161else 1162 AC_MSG_ERROR([--with-groff expects 'yes' or 'no']) 1163fi 1164 1165# We have groff, test for the presence of the macro packages 1166if test "x$have_groff" = x"yes"; then 1167 AC_MSG_CHECKING([for ${GROFF} -ms macros]) 1168 if ${GROFF} -ms -I. /dev/null >/dev/null 2>&1 ; then 1169 groff_ms_works=yes 1170 else 1171 groff_ms_works=no 1172 fi 1173 AC_MSG_RESULT([$groff_ms_works]) 1174 AC_MSG_CHECKING([for ${GROFF} -mm macros]) 1175 if ${GROFF} -mm -I. /dev/null >/dev/null 2>&1 ; then 1176 groff_mm_works=yes 1177 else 1178 groff_mm_works=no 1179 fi 1180 AC_MSG_RESULT([$groff_mm_works]) 1181fi 1182 1183# We have groff, test for HTML dependencies, one command per package 1184if test "x$have_groff" = x"yes"; then 1185 AC_PATH_PROGS(GS_PATH, [gs gswin32c]) 1186 AC_PATH_PROG(PNMTOPNG_PATH, [pnmtopng]) 1187 AC_PATH_PROG(PSSELECT_PATH, [psselect]) 1188 if test "x$GS_PATH" != "x" -a "x$PNMTOPNG_PATH" != "x" -a "x$PSSELECT_PATH" != "x"; then 1189 have_groff_html=yes 1190 else 1191 have_groff_html=no 1192 AC_MSG_WARN([grohtml dependencies not found - HTML Documentation skipped. Refer to grohtml man pages]) 1193 fi 1194fi 1195 1196# Set Automake conditionals for Makefiles 1197AM_CONDITIONAL([HAVE_GROFF], [test "$have_groff" = yes]) 1198AM_CONDITIONAL([HAVE_GROFF_MS], [test "$groff_ms_works" = yes]) 1199AM_CONDITIONAL([HAVE_GROFF_MM], [test "$groff_mm_works" = yes]) 1200AM_CONDITIONAL([HAVE_GROFF_HTML], [test "$have_groff_html" = yes]) 1201]) # XORG_WITH_GROFF 1202 1203# XORG_WITH_FOP([MIN-VERSION], [DEFAULT]) 1204# --------------------------------------- 1205# Minimum version: 1.6.0 1206# Minimum version for optional DEFAULT argument: 1.11.0 1207# Minimum version for optional MIN-VERSION argument: 1.15.0 1208# 1209# Documentation tools are not always available on all platforms and sometimes 1210# not at the appropriate level. This macro enables a module to test for the 1211# presence of the tool and obtain it's path in separate variables. Coupled with 1212# the --with-fop option, it allows maximum flexibilty in making decisions 1213# as whether or not to use the fop package. When DEFAULT is not specified, 1214# --with-fop assumes 'auto'. 1215# 1216# Interface to module: 1217# HAVE_FOP: used in makefiles to conditionally generate documentation 1218# FOP: returns the path of the fop program found 1219# returns the path set by the user in the environment 1220# --with-fop: 'yes' user instructs the module to use fop 1221# 'no' user instructs the module not to use fop 1222# 1223# If the user sets the value of FOP, AC_PATH_PROG skips testing the path. 1224# 1225AC_DEFUN([XORG_WITH_FOP],[ 1226AC_ARG_VAR([FOP], [Path to fop command]) 1227m4_define([_defopt], m4_default([$2], [auto])) 1228AC_ARG_WITH(fop, 1229 AS_HELP_STRING([--with-fop], 1230 [Use fop to regenerate documentation (default: ]_defopt[)]), 1231 [use_fop=$withval], [use_fop=]_defopt) 1232m4_undefine([_defopt]) 1233 1234if test "x$use_fop" = x"auto"; then 1235 AC_PATH_PROG([FOP], [fop]) 1236 if test "x$FOP" = "x"; then 1237 AC_MSG_WARN([fop not found - documentation targets will be skipped]) 1238 have_fop=no 1239 else 1240 have_fop=yes 1241 fi 1242elif test "x$use_fop" = x"yes" ; then 1243 AC_PATH_PROG([FOP], [fop]) 1244 if test "x$FOP" = "x"; then 1245 AC_MSG_ERROR([--with-fop=yes specified but fop not found in PATH]) 1246 fi 1247 have_fop=yes 1248elif test "x$use_fop" = x"no" ; then 1249 if test "x$FOP" != "x"; then 1250 AC_MSG_WARN([ignoring FOP environment variable since --with-fop=no was specified]) 1251 fi 1252 have_fop=no 1253else 1254 AC_MSG_ERROR([--with-fop expects 'yes' or 'no']) 1255fi 1256 1257# Test for a minimum version of fop, if provided. 1258m4_ifval([$1], 1259[if test "$have_fop" = yes; then 1260 # scrape the fop version 1261 AC_MSG_CHECKING([for fop minimum version]) 1262 fop_version=`$FOP -version 2>/dev/null | cut -d' ' -f3` 1263 AC_MSG_RESULT([$fop_version]) 1264 AS_VERSION_COMPARE([$fop_version], [$1], 1265 [if test "x$use_fop" = xauto; then 1266 AC_MSG_WARN([fop version $fop_version found, but $1 needed]) 1267 have_fop=no 1268 else 1269 AC_MSG_ERROR([fop version $fop_version found, but $1 needed]) 1270 fi]) 1271fi]) 1272AM_CONDITIONAL([HAVE_FOP], [test "$have_fop" = yes]) 1273]) # XORG_WITH_FOP 1274 1275# XORG_WITH_M4([MIN-VERSION]) 1276# --------------------------- 1277# Minimum version: 1.19.0 1278# 1279# This macro attempts to locate an m4 macro processor which supports 1280# -I option and is only useful for modules relying on M4 in order to 1281# expand macros in source code files. 1282# 1283# Interface to module: 1284# M4: returns the path of the m4 program found 1285# returns the path set by the user in the environment 1286# 1287AC_DEFUN([XORG_WITH_M4], [ 1288AC_CACHE_CHECK([for m4 that supports -I option], [ac_cv_path_M4], 1289 [AC_PATH_PROGS_FEATURE_CHECK([M4], [m4 gm4], 1290 [[$ac_path_M4 -I. /dev/null > /dev/null 2>&1 && \ 1291 ac_cv_path_M4=$ac_path_M4 ac_path_M4_found=:]], 1292 [AC_MSG_ERROR([could not find m4 that supports -I option])], 1293 [$PATH:/usr/gnu/bin])]) 1294 1295AC_SUBST([M4], [$ac_cv_path_M4]) 1296]) # XORG_WITH_M4 1297 1298# XORG_WITH_PS2PDF([DEFAULT]) 1299# ---------------- 1300# Minimum version: 1.6.0 1301# Minimum version for optional DEFAULT argument: 1.11.0 1302# 1303# Documentation tools are not always available on all platforms and sometimes 1304# not at the appropriate level. This macro enables a module to test for the 1305# presence of the tool and obtain it's path in separate variables. Coupled with 1306# the --with-ps2pdf option, it allows maximum flexibilty in making decisions 1307# as whether or not to use the ps2pdf package. When DEFAULT is not specified, 1308# --with-ps2pdf assumes 'auto'. 1309# 1310# Interface to module: 1311# HAVE_PS2PDF: used in makefiles to conditionally generate documentation 1312# PS2PDF: returns the path of the ps2pdf program found 1313# returns the path set by the user in the environment 1314# --with-ps2pdf: 'yes' user instructs the module to use ps2pdf 1315# 'no' user instructs the module not to use ps2pdf 1316# 1317# If the user sets the value of PS2PDF, AC_PATH_PROG skips testing the path. 1318# 1319AC_DEFUN([XORG_WITH_PS2PDF],[ 1320AC_ARG_VAR([PS2PDF], [Path to ps2pdf command]) 1321m4_define([_defopt], m4_default([$1], [auto])) 1322AC_ARG_WITH(ps2pdf, 1323 AS_HELP_STRING([--with-ps2pdf], 1324 [Use ps2pdf to regenerate documentation (default: ]_defopt[)]), 1325 [use_ps2pdf=$withval], [use_ps2pdf=]_defopt) 1326m4_undefine([_defopt]) 1327 1328if test "x$use_ps2pdf" = x"auto"; then 1329 AC_PATH_PROG([PS2PDF], [ps2pdf]) 1330 if test "x$PS2PDF" = "x"; then 1331 AC_MSG_WARN([ps2pdf not found - documentation targets will be skipped]) 1332 have_ps2pdf=no 1333 else 1334 have_ps2pdf=yes 1335 fi 1336elif test "x$use_ps2pdf" = x"yes" ; then 1337 AC_PATH_PROG([PS2PDF], [ps2pdf]) 1338 if test "x$PS2PDF" = "x"; then 1339 AC_MSG_ERROR([--with-ps2pdf=yes specified but ps2pdf not found in PATH]) 1340 fi 1341 have_ps2pdf=yes 1342elif test "x$use_ps2pdf" = x"no" ; then 1343 if test "x$PS2PDF" != "x"; then 1344 AC_MSG_WARN([ignoring PS2PDF environment variable since --with-ps2pdf=no was specified]) 1345 fi 1346 have_ps2pdf=no 1347else 1348 AC_MSG_ERROR([--with-ps2pdf expects 'yes' or 'no']) 1349fi 1350AM_CONDITIONAL([HAVE_PS2PDF], [test "$have_ps2pdf" = yes]) 1351]) # XORG_WITH_PS2PDF 1352 1353# XORG_ENABLE_DOCS (enable_docs=yes) 1354# ---------------- 1355# Minimum version: 1.6.0 1356# 1357# Documentation tools are not always available on all platforms and sometimes 1358# not at the appropriate level. This macro enables a builder to skip all 1359# documentation targets except traditional man pages. 1360# Combined with the specific tool checking macros XORG_WITH_*, it provides 1361# maximum flexibilty in controlling documentation building. 1362# Refer to: 1363# XORG_WITH_XMLTO --with-xmlto 1364# XORG_WITH_ASCIIDOC --with-asciidoc 1365# XORG_WITH_DOXYGEN --with-doxygen 1366# XORG_WITH_FOP --with-fop 1367# XORG_WITH_GROFF --with-groff 1368# XORG_WITH_PS2PDF --with-ps2pdf 1369# 1370# Interface to module: 1371# ENABLE_DOCS: used in makefiles to conditionally generate documentation 1372# --enable-docs: 'yes' user instructs the module to generate docs 1373# 'no' user instructs the module not to generate docs 1374# parm1: specify the default value, yes or no. 1375# 1376AC_DEFUN([XORG_ENABLE_DOCS],[ 1377m4_define([docs_default], m4_default([$1], [yes])) 1378AC_ARG_ENABLE(docs, 1379 AS_HELP_STRING([--enable-docs], 1380 [Enable building the documentation (default: ]docs_default[)]), 1381 [build_docs=$enableval], [build_docs=]docs_default) 1382m4_undefine([docs_default]) 1383AM_CONDITIONAL(ENABLE_DOCS, [test x$build_docs = xyes]) 1384AC_MSG_CHECKING([whether to build documentation]) 1385AC_MSG_RESULT([$build_docs]) 1386]) # XORG_ENABLE_DOCS 1387 1388# XORG_ENABLE_DEVEL_DOCS (enable_devel_docs=yes) 1389# ---------------- 1390# Minimum version: 1.6.0 1391# 1392# This macro enables a builder to skip all developer documentation. 1393# Combined with the specific tool checking macros XORG_WITH_*, it provides 1394# maximum flexibilty in controlling documentation building. 1395# Refer to: 1396# XORG_WITH_XMLTO --with-xmlto 1397# XORG_WITH_ASCIIDOC --with-asciidoc 1398# XORG_WITH_DOXYGEN --with-doxygen 1399# XORG_WITH_FOP --with-fop 1400# XORG_WITH_GROFF --with-groff 1401# XORG_WITH_PS2PDF --with-ps2pdf 1402# 1403# Interface to module: 1404# ENABLE_DEVEL_DOCS: used in makefiles to conditionally generate developer docs 1405# --enable-devel-docs: 'yes' user instructs the module to generate developer docs 1406# 'no' user instructs the module not to generate developer docs 1407# parm1: specify the default value, yes or no. 1408# 1409AC_DEFUN([XORG_ENABLE_DEVEL_DOCS],[ 1410m4_define([devel_default], m4_default([$1], [yes])) 1411AC_ARG_ENABLE(devel-docs, 1412 AS_HELP_STRING([--enable-devel-docs], 1413 [Enable building the developer documentation (default: ]devel_default[)]), 1414 [build_devel_docs=$enableval], [build_devel_docs=]devel_default) 1415m4_undefine([devel_default]) 1416AM_CONDITIONAL(ENABLE_DEVEL_DOCS, [test x$build_devel_docs = xyes]) 1417AC_MSG_CHECKING([whether to build developer documentation]) 1418AC_MSG_RESULT([$build_devel_docs]) 1419]) # XORG_ENABLE_DEVEL_DOCS 1420 1421# XORG_ENABLE_SPECS (enable_specs=yes) 1422# ---------------- 1423# Minimum version: 1.6.0 1424# 1425# This macro enables a builder to skip all functional specification targets. 1426# Combined with the specific tool checking macros XORG_WITH_*, it provides 1427# maximum flexibilty in controlling documentation building. 1428# Refer to: 1429# XORG_WITH_XMLTO --with-xmlto 1430# XORG_WITH_ASCIIDOC --with-asciidoc 1431# XORG_WITH_DOXYGEN --with-doxygen 1432# XORG_WITH_FOP --with-fop 1433# XORG_WITH_GROFF --with-groff 1434# XORG_WITH_PS2PDF --with-ps2pdf 1435# 1436# Interface to module: 1437# ENABLE_SPECS: used in makefiles to conditionally generate specs 1438# --enable-specs: 'yes' user instructs the module to generate specs 1439# 'no' user instructs the module not to generate specs 1440# parm1: specify the default value, yes or no. 1441# 1442AC_DEFUN([XORG_ENABLE_SPECS],[ 1443m4_define([spec_default], m4_default([$1], [yes])) 1444AC_ARG_ENABLE(specs, 1445 AS_HELP_STRING([--enable-specs], 1446 [Enable building the specs (default: ]spec_default[)]), 1447 [build_specs=$enableval], [build_specs=]spec_default) 1448m4_undefine([spec_default]) 1449AM_CONDITIONAL(ENABLE_SPECS, [test x$build_specs = xyes]) 1450AC_MSG_CHECKING([whether to build functional specifications]) 1451AC_MSG_RESULT([$build_specs]) 1452]) # XORG_ENABLE_SPECS 1453 1454# XORG_ENABLE_UNIT_TESTS (enable_unit_tests=auto) 1455# ---------------------------------------------- 1456# Minimum version: 1.13.0 1457# 1458# This macro enables a builder to enable/disable unit testing 1459# It makes no assumption about the test cases implementation 1460# Test cases may or may not use Automake "Support for test suites" 1461# They may or may not use the software utility library GLib 1462# 1463# When used in conjunction with XORG_WITH_GLIB, use both AM_CONDITIONAL 1464# ENABLE_UNIT_TESTS and HAVE_GLIB. Not all unit tests may use glib. 1465# The variable enable_unit_tests is used by other macros in this file. 1466# 1467# Interface to module: 1468# ENABLE_UNIT_TESTS: used in makefiles to conditionally build tests 1469# enable_unit_tests: used in configure.ac for additional configuration 1470# --enable-unit-tests: 'yes' user instructs the module to build tests 1471# 'no' user instructs the module not to build tests 1472# parm1: specify the default value, yes or no. 1473# 1474AC_DEFUN([XORG_ENABLE_UNIT_TESTS],[ 1475AC_BEFORE([$0], [XORG_WITH_GLIB]) 1476AC_BEFORE([$0], [XORG_LD_WRAP]) 1477AC_REQUIRE([XORG_MEMORY_CHECK_FLAGS]) 1478m4_define([_defopt], m4_default([$1], [auto])) 1479AC_ARG_ENABLE(unit-tests, AS_HELP_STRING([--enable-unit-tests], 1480 [Enable building unit test cases (default: ]_defopt[)]), 1481 [enable_unit_tests=$enableval], [enable_unit_tests=]_defopt) 1482m4_undefine([_defopt]) 1483AM_CONDITIONAL(ENABLE_UNIT_TESTS, [test "x$enable_unit_tests" != xno]) 1484AC_MSG_CHECKING([whether to build unit test cases]) 1485AC_MSG_RESULT([$enable_unit_tests]) 1486]) # XORG_ENABLE_UNIT_TESTS 1487 1488# XORG_ENABLE_INTEGRATION_TESTS (enable_unit_tests=auto) 1489# ------------------------------------------------------ 1490# Minimum version: 1.17.0 1491# 1492# This macro enables a builder to enable/disable integration testing 1493# It makes no assumption about the test cases' implementation 1494# Test cases may or may not use Automake "Support for test suites" 1495# 1496# Please see XORG_ENABLE_UNIT_TESTS for unit test support. Unit test support 1497# usually requires less dependencies and may be built and run under less 1498# stringent environments than integration tests. 1499# 1500# Interface to module: 1501# ENABLE_INTEGRATION_TESTS: used in makefiles to conditionally build tests 1502# enable_integration_tests: used in configure.ac for additional configuration 1503# --enable-integration-tests: 'yes' user instructs the module to build tests 1504# 'no' user instructs the module not to build tests 1505# parm1: specify the default value, yes or no. 1506# 1507AC_DEFUN([XORG_ENABLE_INTEGRATION_TESTS],[ 1508AC_REQUIRE([XORG_MEMORY_CHECK_FLAGS]) 1509m4_define([_defopt], m4_default([$1], [auto])) 1510AC_ARG_ENABLE(integration-tests, AS_HELP_STRING([--enable-integration-tests], 1511 [Enable building integration test cases (default: ]_defopt[)]), 1512 [enable_integration_tests=$enableval], 1513 [enable_integration_tests=]_defopt) 1514m4_undefine([_defopt]) 1515AM_CONDITIONAL([ENABLE_INTEGRATION_TESTS], 1516 [test "x$enable_integration_tests" != xno]) 1517AC_MSG_CHECKING([whether to build unit test cases]) 1518AC_MSG_RESULT([$enable_integration_tests]) 1519]) # XORG_ENABLE_INTEGRATION_TESTS 1520 1521# XORG_WITH_GLIB([MIN-VERSION], [DEFAULT]) 1522# ---------------------------------------- 1523# Minimum version: 1.13.0 1524# 1525# GLib is a library which provides advanced data structures and functions. 1526# This macro enables a module to test for the presence of Glib. 1527# 1528# When used with ENABLE_UNIT_TESTS, it is assumed GLib is used for unit testing. 1529# Otherwise the value of $enable_unit_tests is blank. 1530# 1531# Please see XORG_ENABLE_INTEGRATION_TESTS for integration test support. Unit 1532# test support usually requires less dependencies and may be built and run under 1533# less stringent environments than integration tests. 1534# 1535# Interface to module: 1536# HAVE_GLIB: used in makefiles to conditionally build targets 1537# with_glib: used in configure.ac to know if GLib has been found 1538# --with-glib: 'yes' user instructs the module to use glib 1539# 'no' user instructs the module not to use glib 1540# 1541AC_DEFUN([XORG_WITH_GLIB],[ 1542AC_REQUIRE([PKG_PROG_PKG_CONFIG]) 1543m4_define([_defopt], m4_default([$2], [auto])) 1544AC_ARG_WITH(glib, AS_HELP_STRING([--with-glib], 1545 [Use GLib library for unit testing (default: ]_defopt[)]), 1546 [with_glib=$withval], [with_glib=]_defopt) 1547m4_undefine([_defopt]) 1548 1549have_glib=no 1550# Do not probe GLib if user explicitly disabled unit testing 1551if test "x$enable_unit_tests" != x"no"; then 1552 # Do not probe GLib if user explicitly disabled it 1553 if test "x$with_glib" != x"no"; then 1554 m4_ifval( 1555 [$1], 1556 [PKG_CHECK_MODULES([GLIB], [glib-2.0 >= $1], [have_glib=yes], [have_glib=no])], 1557 [PKG_CHECK_MODULES([GLIB], [glib-2.0], [have_glib=yes], [have_glib=no])] 1558 ) 1559 fi 1560fi 1561 1562# Not having GLib when unit testing has been explicitly requested is an error 1563if test "x$enable_unit_tests" = x"yes"; then 1564 if test "x$have_glib" = x"no"; then 1565 AC_MSG_ERROR([--enable-unit-tests=yes specified but glib-2.0 not found]) 1566 fi 1567fi 1568 1569# Having unit testing disabled when GLib has been explicitly requested is an error 1570if test "x$enable_unit_tests" = x"no"; then 1571 if test "x$with_glib" = x"yes"; then 1572 AC_MSG_ERROR([--enable-unit-tests=yes specified but glib-2.0 not found]) 1573 fi 1574fi 1575 1576# Not having GLib when it has been explicitly requested is an error 1577if test "x$with_glib" = x"yes"; then 1578 if test "x$have_glib" = x"no"; then 1579 AC_MSG_ERROR([--with-glib=yes specified but glib-2.0 not found]) 1580 fi 1581fi 1582 1583AM_CONDITIONAL([HAVE_GLIB], [test "$have_glib" = yes]) 1584]) # XORG_WITH_GLIB 1585 1586# XORG_LD_WRAP([required|optional]) 1587# --------------------------------- 1588# Minimum version: 1.13.0 1589# 1590# Check if linker supports -wrap, passed via compiler flags 1591# 1592# When used with ENABLE_UNIT_TESTS, it is assumed -wrap is used for unit testing. 1593# Otherwise the value of $enable_unit_tests is blank. 1594# 1595# Argument added in 1.16.0 - default is "required", to match existing behavior 1596# of returning an error if enable_unit_tests is yes, and ld -wrap is not 1597# available, an argument of "optional" allows use when some unit tests require 1598# ld -wrap and others do not. 1599# 1600AC_DEFUN([XORG_LD_WRAP],[ 1601XORG_CHECK_LINKER_FLAGS([-Wl,-wrap,exit],[have_ld_wrap=yes],[have_ld_wrap=no], 1602 [AC_LANG_PROGRAM([#include <stdlib.h> 1603 void __wrap_exit(int status) { return; }], 1604 [exit(0);])]) 1605# Not having ld wrap when unit testing has been explicitly requested is an error 1606if test "x$enable_unit_tests" = x"yes" -a "x$1" != "xoptional"; then 1607 if test "x$have_ld_wrap" = x"no"; then 1608 AC_MSG_ERROR([--enable-unit-tests=yes specified but ld -wrap support is not available]) 1609 fi 1610fi 1611AM_CONDITIONAL([HAVE_LD_WRAP], [test "$have_ld_wrap" = yes]) 1612# 1613]) # XORG_LD_WRAP 1614 1615# XORG_CHECK_LINKER_FLAGS 1616# ----------------------- 1617# SYNOPSIS 1618# 1619# XORG_CHECK_LINKER_FLAGS(FLAGS, [ACTION-SUCCESS], [ACTION-FAILURE], [PROGRAM-SOURCE]) 1620# 1621# DESCRIPTION 1622# 1623# Check whether the given linker FLAGS work with the current language's 1624# linker, or whether they give an error. 1625# 1626# ACTION-SUCCESS/ACTION-FAILURE are shell commands to execute on 1627# success/failure. 1628# 1629# PROGRAM-SOURCE is the program source to link with, if needed 1630# 1631# NOTE: Based on AX_CHECK_COMPILER_FLAGS. 1632# 1633# LICENSE 1634# 1635# Copyright (c) 2009 Mike Frysinger <vapier@gentoo.org> 1636# Copyright (c) 2009 Steven G. Johnson <stevenj@alum.mit.edu> 1637# Copyright (c) 2009 Matteo Frigo 1638# 1639# This program is free software: you can redistribute it and/or modify it 1640# under the terms of the GNU General Public License as published by the 1641# Free Software Foundation, either version 3 of the License, or (at your 1642# option) any later version. 1643# 1644# This program is distributed in the hope that it will be useful, but 1645# WITHOUT ANY WARRANTY; without even the implied warranty of 1646# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General 1647# Public License for more details. 1648# 1649# You should have received a copy of the GNU General Public License along 1650# with this program. If not, see <http://www.gnu.org/licenses/>. 1651# 1652# As a special exception, the respective Autoconf Macro's copyright owner 1653# gives unlimited permission to copy, distribute and modify the configure 1654# scripts that are the output of Autoconf when processing the Macro. You 1655# need not follow the terms of the GNU General Public License when using 1656# or distributing such scripts, even though portions of the text of the 1657# Macro appear in them. The GNU General Public License (GPL) does govern 1658# all other use of the material that constitutes the Autoconf Macro. 1659# 1660# This special exception to the GPL applies to versions of the Autoconf 1661# Macro released by the Autoconf Archive. When you make and distribute a 1662# modified version of the Autoconf Macro, you may extend this special 1663# exception to the GPL to apply to your modified version as well.# 1664AC_DEFUN([XORG_CHECK_LINKER_FLAGS], 1665[AC_MSG_CHECKING([whether the linker accepts $1]) 1666dnl Some hackery here since AC_CACHE_VAL can't handle a non-literal varname: 1667AS_LITERAL_IF([$1], 1668 [AC_CACHE_VAL(AS_TR_SH(xorg_cv_linker_flags_[$1]), [ 1669 ax_save_FLAGS=$LDFLAGS 1670 LDFLAGS="$1" 1671 AC_LINK_IFELSE([m4_default([$4],[AC_LANG_PROGRAM()])], 1672 AS_TR_SH(xorg_cv_linker_flags_[$1])=yes, 1673 AS_TR_SH(xorg_cv_linker_flags_[$1])=no) 1674 LDFLAGS=$ax_save_FLAGS])], 1675 [ax_save_FLAGS=$LDFLAGS 1676 LDFLAGS="$1" 1677 AC_LINK_IFELSE([AC_LANG_PROGRAM()], 1678 eval AS_TR_SH(xorg_cv_linker_flags_[$1])=yes, 1679 eval AS_TR_SH(xorg_cv_linker_flags_[$1])=no) 1680 LDFLAGS=$ax_save_FLAGS]) 1681eval xorg_check_linker_flags=$AS_TR_SH(xorg_cv_linker_flags_[$1]) 1682AC_MSG_RESULT($xorg_check_linker_flags) 1683if test "x$xorg_check_linker_flags" = xyes; then 1684 m4_default([$2], :) 1685else 1686 m4_default([$3], :) 1687fi 1688]) # XORG_CHECK_LINKER_FLAGS 1689 1690# XORG_MEMORY_CHECK_FLAGS 1691# ----------------------- 1692# Minimum version: 1.16.0 1693# 1694# This macro attempts to find appropriate memory checking functionality 1695# for various platforms which unit testing code may use to catch various 1696# forms of memory allocation and access errors in testing. 1697# 1698# Interface to module: 1699# XORG_MALLOC_DEBUG_ENV - environment variables to set to enable debugging 1700# Usually added to TESTS_ENVIRONMENT in Makefile.am 1701# 1702# If the user sets the value of XORG_MALLOC_DEBUG_ENV, it is used verbatim. 1703# 1704AC_DEFUN([XORG_MEMORY_CHECK_FLAGS],[ 1705 1706AC_REQUIRE([AC_CANONICAL_HOST]) 1707AC_ARG_VAR([XORG_MALLOC_DEBUG_ENV], 1708 [Environment variables to enable memory checking in tests]) 1709 1710# Check for different types of support on different platforms 1711case $host_os in 1712 solaris*) 1713 AC_CHECK_LIB([umem], [umem_alloc], 1714 [malloc_debug_env='LD_PRELOAD=libumem.so UMEM_DEBUG=default']) 1715 ;; 1716 *-gnu*) # GNU libc - Value is used as a single byte bit pattern, 1717 # both directly and inverted, so should not be 0 or 255. 1718 malloc_debug_env='MALLOC_PERTURB_=15' 1719 ;; 1720 darwin*) 1721 malloc_debug_env='MallocPreScribble=1 MallocScribble=1 DYLD_INSERT_LIBRARIES=/usr/lib/libgmalloc.dylib' 1722 ;; 1723 *bsd*) 1724 malloc_debug_env='MallocPreScribble=1 MallocScribble=1' 1725 ;; 1726esac 1727 1728# User supplied flags override default flags 1729if test "x$XORG_MALLOC_DEBUG_ENV" != "x"; then 1730 malloc_debug_env="$XORG_MALLOC_DEBUG_ENV" 1731fi 1732 1733AC_SUBST([XORG_MALLOC_DEBUG_ENV],[$malloc_debug_env]) 1734]) # XORG_WITH_LINT 1735 1736# XORG_CHECK_MALLOC_ZERO 1737# ---------------------- 1738# Minimum version: 1.0.0 1739# 1740# Defines {MALLOC,XMALLOC,XTMALLOC}_ZERO_CFLAGS appropriately if 1741# malloc(0) returns NULL. Packages should add one of these cflags to 1742# their AM_CFLAGS (or other appropriate *_CFLAGS) to use them. 1743AC_DEFUN([XORG_CHECK_MALLOC_ZERO],[ 1744AC_ARG_ENABLE(malloc0returnsnull, 1745 AS_HELP_STRING([--enable-malloc0returnsnull], 1746 [malloc(0) returns NULL (default: auto)]), 1747 [MALLOC_ZERO_RETURNS_NULL=$enableval], 1748 [MALLOC_ZERO_RETURNS_NULL=auto]) 1749 1750AC_MSG_CHECKING([whether malloc(0) returns NULL]) 1751if test "x$MALLOC_ZERO_RETURNS_NULL" = xauto; then 1752AC_CACHE_VAL([xorg_cv_malloc0_returns_null], 1753 [AC_RUN_IFELSE([AC_LANG_PROGRAM([ 1754#include <stdlib.h> 1755],[ 1756 char *m0, *r0, *c0, *p; 1757 m0 = malloc(0); 1758 p = malloc(10); 1759 r0 = realloc(p,0); 1760 c0 = calloc(0,10); 1761 exit((m0 == 0 || r0 == 0 || c0 == 0) ? 0 : 1); 1762])], 1763 [xorg_cv_malloc0_returns_null=yes], 1764 [xorg_cv_malloc0_returns_null=no])]) 1765MALLOC_ZERO_RETURNS_NULL=$xorg_cv_malloc0_returns_null 1766fi 1767AC_MSG_RESULT([$MALLOC_ZERO_RETURNS_NULL]) 1768 1769if test "x$MALLOC_ZERO_RETURNS_NULL" = xyes; then 1770 MALLOC_ZERO_CFLAGS="-DMALLOC_0_RETURNS_NULL" 1771 XMALLOC_ZERO_CFLAGS=$MALLOC_ZERO_CFLAGS 1772 XTMALLOC_ZERO_CFLAGS="$MALLOC_ZERO_CFLAGS -DXTMALLOC_BC" 1773else 1774 MALLOC_ZERO_CFLAGS="" 1775 XMALLOC_ZERO_CFLAGS="" 1776 XTMALLOC_ZERO_CFLAGS="" 1777fi 1778 1779AC_SUBST([MALLOC_ZERO_CFLAGS]) 1780AC_SUBST([XMALLOC_ZERO_CFLAGS]) 1781AC_SUBST([XTMALLOC_ZERO_CFLAGS]) 1782]) # XORG_CHECK_MALLOC_ZERO 1783 1784# XORG_WITH_LINT() 1785# ---------------- 1786# Minimum version: 1.1.0 1787# 1788# This macro enables the use of a tool that flags some suspicious and 1789# non-portable constructs (likely to be bugs) in C language source code. 1790# It will attempt to locate the tool and use appropriate options. 1791# There are various lint type tools on different platforms. 1792# 1793# Interface to module: 1794# LINT: returns the path to the tool found on the platform 1795# or the value set to LINT on the configure cmd line 1796# also an Automake conditional 1797# LINT_FLAGS: an Automake variable with appropriate flags 1798# 1799# --with-lint: 'yes' user instructs the module to use lint 1800# 'no' user instructs the module not to use lint (default) 1801# 1802# If the user sets the value of LINT, AC_PATH_PROG skips testing the path. 1803# If the user sets the value of LINT_FLAGS, they are used verbatim. 1804# 1805AC_DEFUN([XORG_WITH_LINT],[ 1806 1807AC_ARG_VAR([LINT], [Path to a lint-style command]) 1808AC_ARG_VAR([LINT_FLAGS], [Flags for the lint-style command]) 1809AC_ARG_WITH(lint, [AS_HELP_STRING([--with-lint], 1810 [Use a lint-style source code checker (default: disabled)])], 1811 [use_lint=$withval], [use_lint=no]) 1812 1813# Obtain platform specific info like program name and options 1814# The lint program on FreeBSD and NetBSD is different from the one on Solaris 1815case $host_os in 1816 *linux* | *openbsd* | kfreebsd*-gnu | darwin* | cygwin*) 1817 lint_name=splint 1818 lint_options="-badflag" 1819 ;; 1820 *freebsd* | *netbsd*) 1821 lint_name=lint 1822 lint_options="-u -b" 1823 ;; 1824 *solaris*) 1825 lint_name=lint 1826 lint_options="-u -b -h -erroff=E_INDISTING_FROM_TRUNC2" 1827 ;; 1828esac 1829 1830# Test for the presence of the program (either guessed by the code or spelled out by the user) 1831if test "x$use_lint" = x"yes" ; then 1832 AC_PATH_PROG([LINT], [$lint_name]) 1833 if test "x$LINT" = "x"; then 1834 AC_MSG_ERROR([--with-lint=yes specified but lint-style tool not found in PATH]) 1835 fi 1836elif test "x$use_lint" = x"no" ; then 1837 if test "x$LINT" != "x"; then 1838 AC_MSG_WARN([ignoring LINT environment variable since --with-lint=no was specified]) 1839 fi 1840else 1841 AC_MSG_ERROR([--with-lint expects 'yes' or 'no'. Use LINT variable to specify path.]) 1842fi 1843 1844# User supplied flags override default flags 1845if test "x$LINT_FLAGS" != "x"; then 1846 lint_options=$LINT_FLAGS 1847fi 1848 1849AC_SUBST([LINT_FLAGS],[$lint_options]) 1850AM_CONDITIONAL(LINT, [test "x$LINT" != x]) 1851 1852]) # XORG_WITH_LINT 1853 1854# XORG_LINT_LIBRARY(LIBNAME) 1855# -------------------------- 1856# Minimum version: 1.1.0 1857# 1858# Sets up flags for building lint libraries for checking programs that call 1859# functions in the library. 1860# 1861# Interface to module: 1862# LINTLIB - Automake variable with the name of lint library file to make 1863# MAKE_LINT_LIB - Automake conditional 1864# 1865# --enable-lint-library: - 'yes' user instructs the module to created a lint library 1866# - 'no' user instructs the module not to create a lint library (default) 1867 1868AC_DEFUN([XORG_LINT_LIBRARY],[ 1869AC_REQUIRE([XORG_WITH_LINT]) 1870AC_ARG_ENABLE(lint-library, [AS_HELP_STRING([--enable-lint-library], 1871 [Create lint library (default: disabled)])], 1872 [make_lint_lib=$enableval], [make_lint_lib=no]) 1873 1874if test "x$make_lint_lib" = x"yes" ; then 1875 LINTLIB=llib-l$1.ln 1876 if test "x$LINT" = "x"; then 1877 AC_MSG_ERROR([Cannot make lint library without --with-lint]) 1878 fi 1879elif test "x$make_lint_lib" != x"no" ; then 1880 AC_MSG_ERROR([--enable-lint-library expects 'yes' or 'no'.]) 1881fi 1882 1883AC_SUBST(LINTLIB) 1884AM_CONDITIONAL(MAKE_LINT_LIB, [test x$make_lint_lib != xno]) 1885 1886]) # XORG_LINT_LIBRARY 1887 1888# XORG_COMPILER_BRAND 1889# ------------------- 1890# Minimum version: 1.14.0 1891# 1892# Checks for various brands of compilers and sets flags as appropriate: 1893# GNU gcc - relies on AC_PROG_CC (via AC_PROG_CC_C99) to set GCC to "yes" 1894# GNU g++ - relies on AC_PROG_CXX to set GXX to "yes" 1895# clang compiler - sets CLANGCC to "yes" 1896# Intel compiler - sets INTELCC to "yes" 1897# Sun/Oracle Solaris Studio cc - sets SUNCC to "yes" 1898# 1899AC_DEFUN([XORG_COMPILER_BRAND], [ 1900AC_LANG_CASE( 1901 [C], [ 1902 AC_REQUIRE([AC_PROG_CC_C99]) 1903 ], 1904 [C++], [ 1905 AC_REQUIRE([AC_PROG_CXX]) 1906 ] 1907) 1908AC_CHECK_DECL([__clang__], [CLANGCC="yes"], [CLANGCC="no"]) 1909AC_CHECK_DECL([__INTEL_COMPILER], [INTELCC="yes"], [INTELCC="no"]) 1910AC_CHECK_DECL([__SUNPRO_C], [SUNCC="yes"], [SUNCC="no"]) 1911]) # XORG_COMPILER_BRAND 1912 1913# XORG_TESTSET_CFLAG(<variable>, <flag>, [<alternative flag>, ...]) 1914# --------------- 1915# Minimum version: 1.16.0 1916# 1917# Test if the compiler works when passed the given flag as a command line argument. 1918# If it succeeds, the flag is appeneded to the given variable. If not, it tries the 1919# next flag in the list until there are no more options. 1920# 1921# Note that this does not guarantee that the compiler supports the flag as some 1922# compilers will simply ignore arguments that they do not understand, but we do 1923# attempt to weed out false positives by using -Werror=unknown-warning-option and 1924# -Werror=unused-command-line-argument 1925# 1926AC_DEFUN([XORG_TESTSET_CFLAG], [ 1927m4_if([$#], 0, [m4_fatal([XORG_TESTSET_CFLAG was given with an unsupported number of arguments])]) 1928m4_if([$#], 1, [m4_fatal([XORG_TESTSET_CFLAG was given with an unsupported number of arguments])]) 1929 1930AC_LANG_COMPILER_REQUIRE 1931 1932AC_LANG_CASE( 1933 [C], [ 1934 AC_REQUIRE([AC_PROG_CC_C99]) 1935 define([PREFIX], [C]) 1936 define([CACHE_PREFIX], [cc]) 1937 define([COMPILER], [$CC]) 1938 ], 1939 [C++], [ 1940 define([PREFIX], [CXX]) 1941 define([CACHE_PREFIX], [cxx]) 1942 define([COMPILER], [$CXX]) 1943 ] 1944) 1945 1946[xorg_testset_save_]PREFIX[FLAGS]="$PREFIX[FLAGS]" 1947 1948if test "x$[xorg_testset_]CACHE_PREFIX[_unknown_warning_option]" = "x" ; then 1949 PREFIX[FLAGS]="$PREFIX[FLAGS] -Werror=unknown-warning-option" 1950 AC_CACHE_CHECK([if ]COMPILER[ supports -Werror=unknown-warning-option], 1951 [xorg_cv_]CACHE_PREFIX[_flag_unknown_warning_option], 1952 AC_COMPILE_IFELSE([AC_LANG_SOURCE([int i;])], 1953 [xorg_cv_]CACHE_PREFIX[_flag_unknown_warning_option=yes], 1954 [xorg_cv_]CACHE_PREFIX[_flag_unknown_warning_option=no])) 1955 [xorg_testset_]CACHE_PREFIX[_unknown_warning_option]=$[xorg_cv_]CACHE_PREFIX[_flag_unknown_warning_option] 1956 PREFIX[FLAGS]="$[xorg_testset_save_]PREFIX[FLAGS]" 1957fi 1958 1959if test "x$[xorg_testset_]CACHE_PREFIX[_unused_command_line_argument]" = "x" ; then 1960 if test "x$[xorg_testset_]CACHE_PREFIX[_unknown_warning_option]" = "xyes" ; then 1961 PREFIX[FLAGS]="$PREFIX[FLAGS] -Werror=unknown-warning-option" 1962 fi 1963 PREFIX[FLAGS]="$PREFIX[FLAGS] -Werror=unused-command-line-argument" 1964 AC_CACHE_CHECK([if ]COMPILER[ supports -Werror=unused-command-line-argument], 1965 [xorg_cv_]CACHE_PREFIX[_flag_unused_command_line_argument], 1966 AC_COMPILE_IFELSE([AC_LANG_SOURCE([int i;])], 1967 [xorg_cv_]CACHE_PREFIX[_flag_unused_command_line_argument=yes], 1968 [xorg_cv_]CACHE_PREFIX[_flag_unused_command_line_argument=no])) 1969 [xorg_testset_]CACHE_PREFIX[_unused_command_line_argument]=$[xorg_cv_]CACHE_PREFIX[_flag_unused_command_line_argument] 1970 PREFIX[FLAGS]="$[xorg_testset_save_]PREFIX[FLAGS]" 1971fi 1972 1973found="no" 1974m4_foreach([flag], m4_cdr($@), [ 1975 if test $found = "no" ; then 1976 if test "x$xorg_testset_]CACHE_PREFIX[_unknown_warning_option" = "xyes" ; then 1977 PREFIX[FLAGS]="$PREFIX[FLAGS] -Werror=unknown-warning-option" 1978 fi 1979 1980 if test "x$xorg_testset_]CACHE_PREFIX[_unused_command_line_argument" = "xyes" ; then 1981 PREFIX[FLAGS]="$PREFIX[FLAGS] -Werror=unused-command-line-argument" 1982 fi 1983 1984 PREFIX[FLAGS]="$PREFIX[FLAGS] ]flag[" 1985 1986dnl Some hackery here since AC_CACHE_VAL can't handle a non-literal varname 1987 AC_MSG_CHECKING([if ]COMPILER[ supports ]flag[]) 1988 cacheid=AS_TR_SH([xorg_cv_]CACHE_PREFIX[_flag_]flag[]) 1989 AC_CACHE_VAL($cacheid, 1990 [AC_LINK_IFELSE([AC_LANG_PROGRAM([int i;])], 1991 [eval $cacheid=yes], 1992 [eval $cacheid=no])]) 1993 1994 PREFIX[FLAGS]="$[xorg_testset_save_]PREFIX[FLAGS]" 1995 1996 eval supported=\$$cacheid 1997 AC_MSG_RESULT([$supported]) 1998 if test "$supported" = "yes" ; then 1999 $1="$$1 ]flag[" 2000 found="yes" 2001 fi 2002 fi 2003]) 2004]) # XORG_TESTSET_CFLAG 2005 2006# XORG_COMPILER_FLAGS 2007# --------------- 2008# Minimum version: 1.16.0 2009# 2010# Defines BASE_CFLAGS or BASE_CXXFLAGS to contain a set of command line 2011# arguments supported by the selected compiler which do NOT alter the generated 2012# code. These arguments will cause the compiler to print various warnings 2013# during compilation AND turn a conservative set of warnings into errors. 2014# 2015# The set of flags supported by BASE_CFLAGS and BASE_CXXFLAGS will grow in 2016# future versions of util-macros as options are added to new compilers. 2017# 2018AC_DEFUN([XORG_COMPILER_FLAGS], [ 2019AC_REQUIRE([XORG_COMPILER_BRAND]) 2020 2021AC_ARG_ENABLE(selective-werror, 2022 AS_HELP_STRING([--disable-selective-werror], 2023 [Turn off selective compiler errors. (default: enabled)]), 2024 [SELECTIVE_WERROR=$enableval], 2025 [SELECTIVE_WERROR=yes]) 2026 2027AC_LANG_CASE( 2028 [C], [ 2029 define([PREFIX], [C]) 2030 ], 2031 [C++], [ 2032 define([PREFIX], [CXX]) 2033 ] 2034) 2035# -v is too short to test reliably with XORG_TESTSET_CFLAG 2036if test "x$SUNCC" = "xyes"; then 2037 [BASE_]PREFIX[FLAGS]="-v" 2038else 2039 [BASE_]PREFIX[FLAGS]="" 2040fi 2041 2042# This chunk of warnings were those that existed in the legacy CWARNFLAGS 2043XORG_TESTSET_CFLAG([[BASE_]PREFIX[FLAGS]], [-Wall]) 2044XORG_TESTSET_CFLAG([[BASE_]PREFIX[FLAGS]], [-Wpointer-arith]) 2045XORG_TESTSET_CFLAG([[BASE_]PREFIX[FLAGS]], [-Wmissing-declarations]) 2046XORG_TESTSET_CFLAG([[BASE_]PREFIX[FLAGS]], [-Wformat=2], [-Wformat]) 2047 2048AC_LANG_CASE( 2049 [C], [ 2050 XORG_TESTSET_CFLAG([[BASE_]PREFIX[FLAGS]], [-Wstrict-prototypes]) 2051 XORG_TESTSET_CFLAG([[BASE_]PREFIX[FLAGS]], [-Wmissing-prototypes]) 2052 XORG_TESTSET_CFLAG([[BASE_]PREFIX[FLAGS]], [-Wnested-externs]) 2053 XORG_TESTSET_CFLAG([[BASE_]PREFIX[FLAGS]], [-Wbad-function-cast]) 2054 XORG_TESTSET_CFLAG([[BASE_]PREFIX[FLAGS]], [-Wold-style-definition], [-fd]) 2055 XORG_TESTSET_CFLAG([[BASE_]PREFIX[FLAGS]], [-Wdeclaration-after-statement]) 2056 ] 2057) 2058 2059# This chunk adds additional warnings that could catch undesired effects. 2060XORG_TESTSET_CFLAG([[BASE_]PREFIX[FLAGS]], [-Wunused]) 2061XORG_TESTSET_CFLAG([[BASE_]PREFIX[FLAGS]], [-Wuninitialized]) 2062XORG_TESTSET_CFLAG([[BASE_]PREFIX[FLAGS]], [-Wshadow]) 2063XORG_TESTSET_CFLAG([[BASE_]PREFIX[FLAGS]], [-Wmissing-noreturn]) 2064XORG_TESTSET_CFLAG([[BASE_]PREFIX[FLAGS]], [-Wmissing-format-attribute]) 2065XORG_TESTSET_CFLAG([[BASE_]PREFIX[FLAGS]], [-Wredundant-decls]) 2066XORG_TESTSET_CFLAG([[BASE_]PREFIX[FLAGS]], [-Wlogical-op]) 2067 2068# These are currently disabled because they are noisy. They will be enabled 2069# in the future once the codebase is sufficiently modernized to silence 2070# them. 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Please report why you needed to do so in a bug report at $PACKAGE_BUGREPORT]) 2094XORG_TESTSET_CFLAG([[BASE_]PREFIX[FLAGS]], [-Wimplicit]) 2095XORG_TESTSET_CFLAG([[BASE_]PREFIX[FLAGS]], [-Wnonnull]) 2096XORG_TESTSET_CFLAG([[BASE_]PREFIX[FLAGS]], [-Winit-self]) 2097XORG_TESTSET_CFLAG([[BASE_]PREFIX[FLAGS]], [-Wmain]) 2098XORG_TESTSET_CFLAG([[BASE_]PREFIX[FLAGS]], [-Wmissing-braces]) 2099XORG_TESTSET_CFLAG([[BASE_]PREFIX[FLAGS]], [-Wsequence-point]) 2100XORG_TESTSET_CFLAG([[BASE_]PREFIX[FLAGS]], [-Wreturn-type]) 2101XORG_TESTSET_CFLAG([[BASE_]PREFIX[FLAGS]], [-Wtrigraphs]) 2102XORG_TESTSET_CFLAG([[BASE_]PREFIX[FLAGS]], [-Warray-bounds]) 2103XORG_TESTSET_CFLAG([[BASE_]PREFIX[FLAGS]], [-Wwrite-strings]) 2104XORG_TESTSET_CFLAG([[BASE_]PREFIX[FLAGS]], [-Waddress]) 2105XORG_TESTSET_CFLAG([[BASE_]PREFIX[FLAGS]], [-Wint-to-pointer-cast]) 2106XORG_TESTSET_CFLAG([[BASE_]PREFIX[FLAGS]], [-Wpointer-to-int-cast]) 2107fi 2108 2109AC_SUBST([BASE_]PREFIX[FLAGS]) 2110]) # XORG_COMPILER_FLAGS 2111 2112# XORG_CWARNFLAGS 2113# --------------- 2114# Minimum version: 1.2.0 2115# Deprecated since: 1.16.0 (Use XORG_COMPILER_FLAGS instead) 2116# 2117# Defines CWARNFLAGS to enable C compiler warnings. 2118# 2119# This function is deprecated because it defines -fno-strict-aliasing 2120# which alters the code generated by the compiler. If -fno-strict-aliasing 2121# is needed, then it should be added explicitly in the module when 2122# it is updated to use BASE_CFLAGS. 2123# 2124AC_DEFUN([XORG_CWARNFLAGS], [ 2125AC_REQUIRE([XORG_COMPILER_FLAGS]) 2126AC_REQUIRE([XORG_COMPILER_BRAND]) 2127AC_LANG_CASE( 2128 [C], [ 2129 CWARNFLAGS="$BASE_CFLAGS" 2130 if test "x$GCC" = xyes ; then 2131 CWARNFLAGS="$CWARNFLAGS -fno-strict-aliasing" 2132 fi 2133 AC_SUBST(CWARNFLAGS) 2134 ] 2135) 2136]) # XORG_CWARNFLAGS 2137 2138# XORG_STRICT_OPTION 2139# ----------------------- 2140# Minimum version: 1.3.0 2141# 2142# Add configure option to enable strict compilation flags, such as treating 2143# warnings as fatal errors. 2144# If --enable-strict-compilation is passed to configure, adds strict flags to 2145# $BASE_CFLAGS or $BASE_CXXFLAGS and the deprecated $CWARNFLAGS. 2146# 2147# Starting in 1.14.0 also exports $STRICT_CFLAGS for use in other tests or 2148# when strict compilation is unconditionally desired. 2149AC_DEFUN([XORG_STRICT_OPTION], [ 2150AC_REQUIRE([XORG_CWARNFLAGS]) 2151AC_REQUIRE([XORG_COMPILER_FLAGS]) 2152 2153AC_ARG_ENABLE(strict-compilation, 2154 AS_HELP_STRING([--enable-strict-compilation], 2155 [Enable all warnings from compiler and make them errors (default: disabled)]), 2156 [STRICT_COMPILE=$enableval], [STRICT_COMPILE=no]) 2157 2158AC_LANG_CASE( 2159 [C], [ 2160 define([PREFIX], [C]) 2161 ], 2162 [C++], [ 2163 define([PREFIX], [CXX]) 2164 ] 2165) 2166 2167[STRICT_]PREFIX[FLAGS]="" 2168XORG_TESTSET_CFLAG([[STRICT_]PREFIX[FLAGS]], [-pedantic]) 2169XORG_TESTSET_CFLAG([[STRICT_]PREFIX[FLAGS]], [-Werror], [-errwarn]) 2170 2171# Earlier versions of gcc (eg: 4.2) support -Werror=attributes, but do not 2172# activate it with -Werror, so we add it here explicitly. 2173XORG_TESTSET_CFLAG([[STRICT_]PREFIX[FLAGS]], [-Werror=attributes]) 2174 2175if test "x$STRICT_COMPILE" = "xyes"; then 2176 [BASE_]PREFIX[FLAGS]="$[BASE_]PREFIX[FLAGS] $[STRICT_]PREFIX[FLAGS]" 2177 AC_LANG_CASE([C], [CWARNFLAGS="$CWARNFLAGS $STRICT_CFLAGS"]) 2178fi 2179AC_SUBST([STRICT_]PREFIX[FLAGS]) 2180AC_SUBST([BASE_]PREFIX[FLAGS]) 2181AC_LANG_CASE([C], AC_SUBST([CWARNFLAGS])) 2182]) # XORG_STRICT_OPTION 2183 2184# XORG_DEFAULT_OPTIONS 2185# -------------------- 2186# Minimum version: 1.3.0 2187# 2188# Defines default options for X.Org modules. 2189# 2190AC_DEFUN([XORG_DEFAULT_OPTIONS], [ 2191AC_REQUIRE([AC_PROG_INSTALL]) 2192XORG_COMPILER_FLAGS 2193XORG_CWARNFLAGS 2194XORG_STRICT_OPTION 2195XORG_RELEASE_VERSION 2196XORG_CHANGELOG 2197XORG_INSTALL 2198XORG_MANPAGE_SECTIONS 2199m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])], 2200 [AC_SUBST([AM_DEFAULT_VERBOSITY], [1])]) 2201]) # XORG_DEFAULT_OPTIONS 2202 2203# XORG_INSTALL() 2204# ---------------- 2205# Minimum version: 1.4.0 2206# 2207# Defines the variable INSTALL_CMD as the command to copy 2208# INSTALL from $prefix/share/util-macros. 2209# 2210AC_DEFUN([XORG_INSTALL], [ 2211AC_REQUIRE([PKG_PROG_PKG_CONFIG]) 2212macros_datadir=`$PKG_CONFIG --print-errors --variable=pkgdatadir xorg-macros` 2213INSTALL_CMD="(cp -f "$macros_datadir/INSTALL" \$(top_srcdir)/.INSTALL.tmp && \ 2214mv \$(top_srcdir)/.INSTALL.tmp \$(top_srcdir)/INSTALL) \ 2215|| (rm -f \$(top_srcdir)/.INSTALL.tmp; 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We rewrite AC_PROG_CC 3023# to automatically call this. 3024AC_DEFUN([_AM_PROG_CC_C_O], 3025[AC_REQUIRE([AM_AUX_DIR_EXPAND])dnl 3026AC_REQUIRE_AUX_FILE([compile])dnl 3027AC_LANG_PUSH([C])dnl 3028AC_CACHE_CHECK( 3029 [whether $CC understands -c and -o together], 3030 [am_cv_prog_cc_c_o], 3031 [AC_LANG_CONFTEST([AC_LANG_PROGRAM([])]) 3032 # Make sure it works both with $CC and with simple cc. 3033 # Following AC_PROG_CC_C_O, we do the test twice because some 3034 # compilers refuse to overwrite an existing .o file with -o, 3035 # though they will create one. 3036 am_cv_prog_cc_c_o=yes 3037 for am_i in 1 2; do 3038 if AM_RUN_LOG([$CC -c conftest.$ac_ext -o conftest2.$ac_objext]) \ 3039 && test -f conftest2.$ac_objext; then 3040 : OK 3041 else 3042 am_cv_prog_cc_c_o=no 3043 break 3044 fi 3045 done 3046 rm -f core conftest* 3047 unset am_i]) 3048if test "$am_cv_prog_cc_c_o" != yes; then 3049 # Losing compiler, so override with the script. 3050 # FIXME: It is wrong to rewrite CC. 3051 # But if we don't then we get into trouble of one sort or another. 3052 # A longer-term fix would be to have automake use am__CC in this case, 3053 # and then we could set am__CC="\$(top_srcdir)/compile \$(CC)" 3054 CC="$am_aux_dir/compile $CC" 3055fi 3056AC_LANG_POP([C])]) 3057 3058# For backward compatibility. 3059AC_DEFUN_ONCE([AM_PROG_CC_C_O], [AC_REQUIRE([AC_PROG_CC])]) 3060 3061# Copyright (C) 2001-2018 Free Software Foundation, Inc. 3062# 3063# This file is free software; the Free Software Foundation 3064# gives unlimited permission to copy and/or distribute it, 3065# with or without modifications, as long as this notice is preserved. 3066 3067# AM_RUN_LOG(COMMAND) 3068# ------------------- 3069# Run COMMAND, save the exit status in ac_status, and log it. 3070# (This has been adapted from Autoconf's _AC_RUN_LOG macro.) 3071AC_DEFUN([AM_RUN_LOG], 3072[{ echo "$as_me:$LINENO: $1" >&AS_MESSAGE_LOG_FD 3073 ($1) >&AS_MESSAGE_LOG_FD 2>&AS_MESSAGE_LOG_FD 3074 ac_status=$? 3075 echo "$as_me:$LINENO: \$? = $ac_status" >&AS_MESSAGE_LOG_FD 3076 (exit $ac_status); }]) 3077 3078# Check to make sure that the build environment is sane. -*- Autoconf -*- 3079 3080# Copyright (C) 1996-2018 Free Software Foundation, Inc. 3081# 3082# This file is free software; the Free Software Foundation 3083# gives unlimited permission to copy and/or distribute it, 3084# with or without modifications, as long as this notice is preserved. 3085 3086# AM_SANITY_CHECK 3087# --------------- 3088AC_DEFUN([AM_SANITY_CHECK], 3089[AC_MSG_CHECKING([whether build environment is sane]) 3090# Reject unsafe characters in $srcdir or the absolute working directory 3091# name. 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Must try -L first in case configure is actually a 3105# symlink; some systems play weird games with the mod time of symlinks 3106# (eg FreeBSD returns the mod time of the symlink's containing 3107# directory). 3108if ( 3109 am_has_slept=no 3110 for am_try in 1 2; do 3111 echo "timestamp, slept: $am_has_slept" > conftest.file 3112 set X `ls -Lt "$srcdir/configure" conftest.file 2> /dev/null` 3113 if test "$[*]" = "X"; then 3114 # -L didn't work. 3115 set X `ls -t "$srcdir/configure" conftest.file` 3116 fi 3117 if test "$[*]" != "X $srcdir/configure conftest.file" \ 3118 && test "$[*]" != "X conftest.file $srcdir/configure"; then 3119 3120 # If neither matched, then we have a broken ls. This can happen 3121 # if, for instance, CONFIG_SHELL is bash and it inherits a 3122 # broken ls alias from the environment. This has actually 3123 # happened. Such a system could not be considered "sane". 3124 AC_MSG_ERROR([ls -t appears to fail. Make sure there is not a broken 3125 alias in your environment]) 3126 fi 3127 if test "$[2]" = conftest.file || test $am_try -eq 2; then 3128 break 3129 fi 3130 # Just in case. 3131 sleep 1 3132 am_has_slept=yes 3133 done 3134 test "$[2]" = conftest.file 3135 ) 3136then 3137 # Ok. 3138 : 3139else 3140 AC_MSG_ERROR([newly created file is older than distributed files! 3141Check your system clock]) 3142fi 3143AC_MSG_RESULT([yes]) 3144# If we didn't sleep, we still need to ensure time stamps of config.status and 3145# generated files are strictly newer. 3146am_sleep_pid= 3147if grep 'slept: no' conftest.file >/dev/null 2>&1; then 3148 ( sleep 1 ) & 3149 am_sleep_pid=$! 3150fi 3151AC_CONFIG_COMMANDS_PRE( 3152 [AC_MSG_CHECKING([that generated files are newer than configure]) 3153 if test -n "$am_sleep_pid"; then 3154 # Hide warnings about reused PIDs. 3155 wait $am_sleep_pid 2>/dev/null 3156 fi 3157 AC_MSG_RESULT([done])]) 3158rm -f conftest.file 3159]) 3160 3161# Copyright (C) 2009-2018 Free Software Foundation, Inc. 3162# 3163# This file is free software; the Free Software Foundation 3164# gives unlimited permission to copy and/or distribute it, 3165# with or without modifications, as long as this notice is preserved. 3166 3167# AM_SILENT_RULES([DEFAULT]) 3168# -------------------------- 3169# Enable less verbose build rules; with the default set to DEFAULT 3170# ("yes" being less verbose, "no" or empty being verbose). 3171AC_DEFUN([AM_SILENT_RULES], 3172[AC_ARG_ENABLE([silent-rules], [dnl 3173AS_HELP_STRING( 3174 [--enable-silent-rules], 3175 [less verbose build output (undo: "make V=1")]) 3176AS_HELP_STRING( 3177 [--disable-silent-rules], 3178 [verbose build output (undo: "make V=0")])dnl 3179]) 3180case $enable_silent_rules in @%:@ ((( 3181 yes) AM_DEFAULT_VERBOSITY=0;; 3182 no) AM_DEFAULT_VERBOSITY=1;; 3183 *) AM_DEFAULT_VERBOSITY=m4_if([$1], [yes], [0], [1]);; 3184esac 3185dnl 3186dnl A few 'make' implementations (e.g., NonStop OS and NextStep) 3187dnl do not support nested variable expansions. 3188dnl See automake bug#9928 and bug#10237. 3189am_make=${MAKE-make} 3190AC_CACHE_CHECK([whether $am_make supports nested variables], 3191 [am_cv_make_support_nested_variables], 3192 [if AS_ECHO([['TRUE=$(BAR$(V)) 3193BAR0=false 3194BAR1=true 3195V=1 3196am__doit: 3197 @$(TRUE) 3198.PHONY: am__doit']]) | $am_make -f - >/dev/null 2>&1; then 3199 am_cv_make_support_nested_variables=yes 3200else 3201 am_cv_make_support_nested_variables=no 3202fi]) 3203if test $am_cv_make_support_nested_variables = yes; then 3204 dnl Using '$V' instead of '$(V)' breaks IRIX make. 3205 AM_V='$(V)' 3206 AM_DEFAULT_V='$(AM_DEFAULT_VERBOSITY)' 3207else 3208 AM_V=$AM_DEFAULT_VERBOSITY 3209 AM_DEFAULT_V=$AM_DEFAULT_VERBOSITY 3210fi 3211AC_SUBST([AM_V])dnl 3212AM_SUBST_NOTMAKE([AM_V])dnl 3213AC_SUBST([AM_DEFAULT_V])dnl 3214AM_SUBST_NOTMAKE([AM_DEFAULT_V])dnl 3215AC_SUBST([AM_DEFAULT_VERBOSITY])dnl 3216AM_BACKSLASH='\' 3217AC_SUBST([AM_BACKSLASH])dnl 3218_AM_SUBST_NOTMAKE([AM_BACKSLASH])dnl 3219]) 3220 3221# Copyright (C) 2001-2018 Free Software Foundation, Inc. 3222# 3223# This file is free software; the Free Software Foundation 3224# gives unlimited permission to copy and/or distribute it, 3225# with or without modifications, as long as this notice is preserved. 3226 3227# AM_PROG_INSTALL_STRIP 3228# --------------------- 3229# One issue with vendor 'install' (even GNU) is that you can't 3230# specify the program used to strip binaries. This is especially 3231# annoying in cross-compiling environments, where the build's strip 3232# is unlikely to handle the host's binaries. 3233# Fortunately install-sh will honor a STRIPPROG variable, so we 3234# always use install-sh in "make install-strip", and initialize 3235# STRIPPROG with the value of the STRIP variable (set by the user). 3236AC_DEFUN([AM_PROG_INSTALL_STRIP], 3237[AC_REQUIRE([AM_PROG_INSTALL_SH])dnl 3238# Installed binaries are usually stripped using 'strip' when the user 3239# run "make install-strip". However 'strip' might not be the right 3240# tool to use in cross-compilation environments, therefore Automake 3241# will honor the 'STRIP' environment variable to overrule this program. 3242dnl Don't test for $cross_compiling = yes, because it might be 'maybe'. 3243if test "$cross_compiling" != no; then 3244 AC_CHECK_TOOL([STRIP], [strip], :) 3245fi 3246INSTALL_STRIP_PROGRAM="\$(install_sh) -c -s" 3247AC_SUBST([INSTALL_STRIP_PROGRAM])]) 3248 3249# Copyright (C) 2006-2018 Free Software Foundation, Inc. 3250# 3251# This file is free software; the Free Software Foundation 3252# gives unlimited permission to copy and/or distribute it, 3253# with or without modifications, as long as this notice is preserved. 3254 3255# _AM_SUBST_NOTMAKE(VARIABLE) 3256# --------------------------- 3257# Prevent Automake from outputting VARIABLE = @VARIABLE@ in Makefile.in. 3258# This macro is traced by Automake. 3259AC_DEFUN([_AM_SUBST_NOTMAKE]) 3260 3261# AM_SUBST_NOTMAKE(VARIABLE) 3262# -------------------------- 3263# Public sister of _AM_SUBST_NOTMAKE. 3264AC_DEFUN([AM_SUBST_NOTMAKE], [_AM_SUBST_NOTMAKE($@)]) 3265 3266# Check how to create a tarball. -*- Autoconf -*- 3267 3268# Copyright (C) 2004-2018 Free Software Foundation, Inc. 3269# 3270# This file is free software; the Free Software Foundation 3271# gives unlimited permission to copy and/or distribute it, 3272# with or without modifications, as long as this notice is preserved. 3273 3274# _AM_PROG_TAR(FORMAT) 3275# -------------------- 3276# Check how to create a tarball in format FORMAT. 3277# FORMAT should be one of 'v7', 'ustar', or 'pax'. 3278# 3279# Substitute a variable $(am__tar) that is a command 3280# writing to stdout a FORMAT-tarball containing the directory 3281# $tardir. 3282# tardir=directory && $(am__tar) > result.tar 3283# 3284# Substitute a variable $(am__untar) that extract such 3285# a tarball read from stdin. 3286# $(am__untar) < result.tar 3287# 3288AC_DEFUN([_AM_PROG_TAR], 3289[# Always define AMTAR for backward compatibility. Yes, it's still used 3290# in the wild :-( We should find a proper way to deprecate it ... 3291AC_SUBST([AMTAR], ['$${TAR-tar}']) 3292 3293# We'll loop over all known methods to create a tar archive until one works. 3294_am_tools='gnutar m4_if([$1], [ustar], [plaintar]) pax cpio none' 3295 3296m4_if([$1], [v7], 3297 [am__tar='$${TAR-tar} chof - "$$tardir"' am__untar='$${TAR-tar} xf -'], 3298 3299 [m4_case([$1], 3300 [ustar], 3301 [# The POSIX 1988 'ustar' format is defined with fixed-size fields. 3302 # There is notably a 21 bits limit for the UID and the GID. In fact, 3303 # the 'pax' utility can hang on bigger UID/GID (see automake bug#8343 3304 # and bug#13588). 3305 am_max_uid=2097151 # 2^21 - 1 3306 am_max_gid=$am_max_uid 3307 # The $UID and $GID variables are not portable, so we need to resort 3308 # to the POSIX-mandated id(1) utility. Errors in the 'id' calls 3309 # below are definitely unexpected, so allow the users to see them 3310 # (that is, avoid stderr redirection). 3311 am_uid=`id -u || echo unknown` 3312 am_gid=`id -g || echo unknown` 3313 AC_MSG_CHECKING([whether UID '$am_uid' is supported by ustar format]) 3314 if test $am_uid -le $am_max_uid; then 3315 AC_MSG_RESULT([yes]) 3316 else 3317 AC_MSG_RESULT([no]) 3318 _am_tools=none 3319 fi 3320 AC_MSG_CHECKING([whether GID '$am_gid' is supported by ustar format]) 3321 if test $am_gid -le $am_max_gid; then 3322 AC_MSG_RESULT([yes]) 3323 else 3324 AC_MSG_RESULT([no]) 3325 _am_tools=none 3326 fi], 3327 3328 [pax], 3329 [], 3330 3331 [m4_fatal([Unknown tar format])]) 3332 3333 AC_MSG_CHECKING([how to create a $1 tar archive]) 3334 3335 # Go ahead even if we have the value already cached. We do so because we 3336 # need to set the values for the 'am__tar' and 'am__untar' variables. 3337 _am_tools=${am_cv_prog_tar_$1-$_am_tools} 3338 3339 for _am_tool in $_am_tools; do 3340 case $_am_tool in 3341 gnutar) 3342 for _am_tar in tar gnutar gtar; do 3343 AM_RUN_LOG([$_am_tar --version]) && break 3344 done 3345 am__tar="$_am_tar --format=m4_if([$1], [pax], [posix], [$1]) -chf - "'"$$tardir"' 3346 am__tar_="$_am_tar --format=m4_if([$1], [pax], [posix], [$1]) -chf - "'"$tardir"' 3347 am__untar="$_am_tar -xf -" 3348 ;; 3349 plaintar) 3350 # Must skip GNU tar: if it does not support --format= it doesn't create 3351 # ustar tarball either. 3352 (tar --version) >/dev/null 2>&1 && continue 3353 am__tar='tar chf - "$$tardir"' 3354 am__tar_='tar chf - "$tardir"' 3355 am__untar='tar xf -' 3356 ;; 3357 pax) 3358 am__tar='pax -L -x $1 -w "$$tardir"' 3359 am__tar_='pax -L -x $1 -w "$tardir"' 3360 am__untar='pax -r' 3361 ;; 3362 cpio) 3363 am__tar='find "$$tardir" -print | cpio -o -H $1 -L' 3364 am__tar_='find "$tardir" -print | cpio -o -H $1 -L' 3365 am__untar='cpio -i -H $1 -d' 3366 ;; 3367 none) 3368 am__tar=false 3369 am__tar_=false 3370 am__untar=false 3371 ;; 3372 esac 3373 3374 # If the value was cached, stop now. We just wanted to have am__tar 3375 # and am__untar set. 3376 test -n "${am_cv_prog_tar_$1}" && break 3377 3378 # tar/untar a dummy directory, and stop if the command works. 3379 rm -rf conftest.dir 3380 mkdir conftest.dir 3381 echo GrepMe > conftest.dir/file 3382 AM_RUN_LOG([tardir=conftest.dir && eval $am__tar_ >conftest.tar]) 3383 rm -rf conftest.dir 3384 if test -s conftest.tar; then 3385 AM_RUN_LOG([$am__untar <conftest.tar]) 3386 AM_RUN_LOG([cat conftest.dir/file]) 3387 grep GrepMe conftest.dir/file >/dev/null 2>&1 && break 3388 fi 3389 done 3390 rm -rf conftest.dir 3391 3392 AC_CACHE_VAL([am_cv_prog_tar_$1], [am_cv_prog_tar_$1=$_am_tool]) 3393 AC_MSG_RESULT([$am_cv_prog_tar_$1])]) 3394 3395AC_SUBST([am__tar]) 3396AC_SUBST([am__untar]) 3397]) # _AM_PROG_TAR 3398 3399