1# generated automatically by aclocal 1.15 -*- Autoconf -*- 2 3# Copyright (C) 1996-2014 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($@)])]) 15dnl pkg.m4 - Macros to locate and utilise pkg-config. -*- Autoconf -*- 16dnl serial 11 (pkg-config-0.29.1) 17dnl 18dnl Copyright © 2004 Scott James Remnant <scott@netsplit.com>. 19dnl Copyright © 2012-2015 Dan Nicholson <dbn.lists@gmail.com> 20dnl 21dnl This program is free software; you can redistribute it and/or modify 22dnl it under the terms of the GNU General Public License as published by 23dnl the Free Software Foundation; either version 2 of the License, or 24dnl (at your option) any later version. 25dnl 26dnl This program is distributed in the hope that it will be useful, but 27dnl WITHOUT ANY WARRANTY; without even the implied warranty of 28dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 29dnl General Public License for more details. 30dnl 31dnl You should have received a copy of the GNU General Public License 32dnl along with this program; if not, write to the Free Software 33dnl Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 34dnl 02111-1307, USA. 35dnl 36dnl As a special exception to the GNU General Public License, if you 37dnl distribute this file as part of a program that contains a 38dnl configuration script generated by Autoconf, you may include it under 39dnl the same distribution terms that you use for the rest of that 40dnl program. 41 42dnl PKG_PREREQ(MIN-VERSION) 43dnl ----------------------- 44dnl Since: 0.29 45dnl 46dnl Verify that the version of the pkg-config macros are at least 47dnl MIN-VERSION. Unlike PKG_PROG_PKG_CONFIG, which checks the user's 48dnl installed version of pkg-config, this checks the developer's version 49dnl of pkg.m4 when generating configure. 50dnl 51dnl To ensure that this macro is defined, also add: 52dnl m4_ifndef([PKG_PREREQ], 53dnl [m4_fatal([must install pkg-config 0.29 or later before running autoconf/autogen])]) 54dnl 55dnl See the "Since" comment for each macro you use to see what version 56dnl of the macros you require. 57m4_defun([PKG_PREREQ], 58[m4_define([PKG_MACROS_VERSION], [0.29.1]) 59m4_if(m4_version_compare(PKG_MACROS_VERSION, [$1]), -1, 60 [m4_fatal([pkg.m4 version $1 or higher is required but ]PKG_MACROS_VERSION[ found])]) 61])dnl PKG_PREREQ 62 63dnl PKG_PROG_PKG_CONFIG([MIN-VERSION]) 64dnl ---------------------------------- 65dnl Since: 0.16 66dnl 67dnl Search for the pkg-config tool and set the PKG_CONFIG variable to 68dnl first found in the path. Checks that the version of pkg-config found 69dnl is at least MIN-VERSION. If MIN-VERSION is not specified, 0.9.0 is 70dnl used since that's the first version where most current features of 71dnl pkg-config existed. 72AC_DEFUN([PKG_PROG_PKG_CONFIG], 73[m4_pattern_forbid([^_?PKG_[A-Z_]+$]) 74m4_pattern_allow([^PKG_CONFIG(_(PATH|LIBDIR|SYSROOT_DIR|ALLOW_SYSTEM_(CFLAGS|LIBS)))?$]) 75m4_pattern_allow([^PKG_CONFIG_(DISABLE_UNINSTALLED|TOP_BUILD_DIR|DEBUG_SPEW)$]) 76AC_ARG_VAR([PKG_CONFIG], [path to pkg-config utility]) 77AC_ARG_VAR([PKG_CONFIG_PATH], [directories to add to pkg-config's search path]) 78AC_ARG_VAR([PKG_CONFIG_LIBDIR], [path overriding pkg-config's built-in search path]) 79 80if test "x$ac_cv_env_PKG_CONFIG_set" != "xset"; then 81 AC_PATH_TOOL([PKG_CONFIG], [pkg-config]) 82fi 83if test -n "$PKG_CONFIG"; then 84 _pkg_min_version=m4_default([$1], [0.9.0]) 85 AC_MSG_CHECKING([pkg-config is at least version $_pkg_min_version]) 86 if $PKG_CONFIG --atleast-pkgconfig-version $_pkg_min_version; then 87 AC_MSG_RESULT([yes]) 88 else 89 AC_MSG_RESULT([no]) 90 PKG_CONFIG="" 91 fi 92fi[]dnl 93])dnl PKG_PROG_PKG_CONFIG 94 95dnl PKG_CHECK_EXISTS(MODULES, [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND]) 96dnl ------------------------------------------------------------------- 97dnl Since: 0.18 98dnl 99dnl Check to see whether a particular set of modules exists. Similar to 100dnl PKG_CHECK_MODULES(), but does not set variables or print errors. 101dnl 102dnl Please remember that m4 expands AC_REQUIRE([PKG_PROG_PKG_CONFIG]) 103dnl only at the first occurence in configure.ac, so if the first place 104dnl it's called might be skipped (such as if it is within an "if", you 105dnl have to call PKG_CHECK_EXISTS manually 106AC_DEFUN([PKG_CHECK_EXISTS], 107[AC_REQUIRE([PKG_PROG_PKG_CONFIG])dnl 108if test -n "$PKG_CONFIG" && \ 109 AC_RUN_LOG([$PKG_CONFIG --exists --print-errors "$1"]); then 110 m4_default([$2], [:]) 111m4_ifvaln([$3], [else 112 $3])dnl 113fi]) 114 115dnl _PKG_CONFIG([VARIABLE], [COMMAND], [MODULES]) 116dnl --------------------------------------------- 117dnl Internal wrapper calling pkg-config via PKG_CONFIG and setting 118dnl pkg_failed based on the result. 119m4_define([_PKG_CONFIG], 120[if test -n "$$1"; then 121 pkg_cv_[]$1="$$1" 122 elif test -n "$PKG_CONFIG"; then 123 PKG_CHECK_EXISTS([$3], 124 [pkg_cv_[]$1=`$PKG_CONFIG --[]$2 "$3" 2>/dev/null` 125 test "x$?" != "x0" && pkg_failed=yes ], 126 [pkg_failed=yes]) 127 else 128 pkg_failed=untried 129fi[]dnl 130])dnl _PKG_CONFIG 131 132dnl _PKG_SHORT_ERRORS_SUPPORTED 133dnl --------------------------- 134dnl Internal check to see if pkg-config supports short errors. 135AC_DEFUN([_PKG_SHORT_ERRORS_SUPPORTED], 136[AC_REQUIRE([PKG_PROG_PKG_CONFIG]) 137if $PKG_CONFIG --atleast-pkgconfig-version 0.20; then 138 _pkg_short_errors_supported=yes 139else 140 _pkg_short_errors_supported=no 141fi[]dnl 142])dnl _PKG_SHORT_ERRORS_SUPPORTED 143 144 145dnl PKG_CHECK_MODULES(VARIABLE-PREFIX, MODULES, [ACTION-IF-FOUND], 146dnl [ACTION-IF-NOT-FOUND]) 147dnl -------------------------------------------------------------- 148dnl Since: 0.4.0 149dnl 150dnl Note that if there is a possibility the first call to 151dnl PKG_CHECK_MODULES might not happen, you should be sure to include an 152dnl explicit call to PKG_PROG_PKG_CONFIG in your configure.ac 153AC_DEFUN([PKG_CHECK_MODULES], 154[AC_REQUIRE([PKG_PROG_PKG_CONFIG])dnl 155AC_ARG_VAR([$1][_CFLAGS], [C compiler flags for $1, overriding pkg-config])dnl 156AC_ARG_VAR([$1][_LIBS], [linker flags for $1, overriding pkg-config])dnl 157 158pkg_failed=no 159AC_MSG_CHECKING([for $1]) 160 161_PKG_CONFIG([$1][_CFLAGS], [cflags], [$2]) 162_PKG_CONFIG([$1][_LIBS], [libs], [$2]) 163 164m4_define([_PKG_TEXT], [Alternatively, you may set the environment variables $1[]_CFLAGS 165and $1[]_LIBS to avoid the need to call pkg-config. 166See the pkg-config man page for more details.]) 167 168if test $pkg_failed = yes; then 169 AC_MSG_RESULT([no]) 170 _PKG_SHORT_ERRORS_SUPPORTED 171 if test $_pkg_short_errors_supported = yes; then 172 $1[]_PKG_ERRORS=`$PKG_CONFIG --short-errors --print-errors --cflags --libs "$2" 2>&1` 173 else 174 $1[]_PKG_ERRORS=`$PKG_CONFIG --print-errors --cflags --libs "$2" 2>&1` 175 fi 176 # Put the nasty error message in config.log where it belongs 177 echo "$$1[]_PKG_ERRORS" >&AS_MESSAGE_LOG_FD 178 179 m4_default([$4], [AC_MSG_ERROR( 180[Package requirements ($2) were not met: 181 182$$1_PKG_ERRORS 183 184Consider adjusting the PKG_CONFIG_PATH environment variable if you 185installed software in a non-standard prefix. 186 187_PKG_TEXT])[]dnl 188 ]) 189elif test $pkg_failed = untried; then 190 AC_MSG_RESULT([no]) 191 m4_default([$4], [AC_MSG_FAILURE( 192[The pkg-config script could not be found or is too old. Make sure it 193is in your PATH or set the PKG_CONFIG environment variable to the full 194path to pkg-config. 195 196_PKG_TEXT 197 198To get pkg-config, see <http://pkg-config.freedesktop.org/>.])[]dnl 199 ]) 200else 201 $1[]_CFLAGS=$pkg_cv_[]$1[]_CFLAGS 202 $1[]_LIBS=$pkg_cv_[]$1[]_LIBS 203 AC_MSG_RESULT([yes]) 204 $3 205fi[]dnl 206])dnl PKG_CHECK_MODULES 207 208 209dnl PKG_CHECK_MODULES_STATIC(VARIABLE-PREFIX, MODULES, [ACTION-IF-FOUND], 210dnl [ACTION-IF-NOT-FOUND]) 211dnl --------------------------------------------------------------------- 212dnl Since: 0.29 213dnl 214dnl Checks for existence of MODULES and gathers its build flags with 215dnl static libraries enabled. Sets VARIABLE-PREFIX_CFLAGS from --cflags 216dnl and VARIABLE-PREFIX_LIBS from --libs. 217dnl 218dnl Note that if there is a possibility the first call to 219dnl PKG_CHECK_MODULES_STATIC might not happen, you should be sure to 220dnl include an explicit call to PKG_PROG_PKG_CONFIG in your 221dnl configure.ac. 222AC_DEFUN([PKG_CHECK_MODULES_STATIC], 223[AC_REQUIRE([PKG_PROG_PKG_CONFIG])dnl 224_save_PKG_CONFIG=$PKG_CONFIG 225PKG_CONFIG="$PKG_CONFIG --static" 226PKG_CHECK_MODULES($@) 227PKG_CONFIG=$_save_PKG_CONFIG[]dnl 228])dnl PKG_CHECK_MODULES_STATIC 229 230 231dnl PKG_INSTALLDIR([DIRECTORY]) 232dnl ------------------------- 233dnl Since: 0.27 234dnl 235dnl Substitutes the variable pkgconfigdir as the location where a module 236dnl should install pkg-config .pc files. By default the directory is 237dnl $libdir/pkgconfig, but the default can be changed by passing 238dnl DIRECTORY. The user can override through the --with-pkgconfigdir 239dnl parameter. 240AC_DEFUN([PKG_INSTALLDIR], 241[m4_pushdef([pkg_default], [m4_default([$1], ['${libdir}/pkgconfig'])]) 242m4_pushdef([pkg_description], 243 [pkg-config installation directory @<:@]pkg_default[@:>@]) 244AC_ARG_WITH([pkgconfigdir], 245 [AS_HELP_STRING([--with-pkgconfigdir], pkg_description)],, 246 [with_pkgconfigdir=]pkg_default) 247AC_SUBST([pkgconfigdir], [$with_pkgconfigdir]) 248m4_popdef([pkg_default]) 249m4_popdef([pkg_description]) 250])dnl PKG_INSTALLDIR 251 252 253dnl PKG_NOARCH_INSTALLDIR([DIRECTORY]) 254dnl -------------------------------- 255dnl Since: 0.27 256dnl 257dnl Substitutes the variable noarch_pkgconfigdir as the location where a 258dnl module should install arch-independent pkg-config .pc files. By 259dnl default the directory is $datadir/pkgconfig, but the default can be 260dnl changed by passing DIRECTORY. The user can override through the 261dnl --with-noarch-pkgconfigdir parameter. 262AC_DEFUN([PKG_NOARCH_INSTALLDIR], 263[m4_pushdef([pkg_default], [m4_default([$1], ['${datadir}/pkgconfig'])]) 264m4_pushdef([pkg_description], 265 [pkg-config arch-independent installation directory @<:@]pkg_default[@:>@]) 266AC_ARG_WITH([noarch-pkgconfigdir], 267 [AS_HELP_STRING([--with-noarch-pkgconfigdir], pkg_description)],, 268 [with_noarch_pkgconfigdir=]pkg_default) 269AC_SUBST([noarch_pkgconfigdir], [$with_noarch_pkgconfigdir]) 270m4_popdef([pkg_default]) 271m4_popdef([pkg_description]) 272])dnl PKG_NOARCH_INSTALLDIR 273 274 275dnl PKG_CHECK_VAR(VARIABLE, MODULE, CONFIG-VARIABLE, 276dnl [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND]) 277dnl ------------------------------------------- 278dnl Since: 0.28 279dnl 280dnl Retrieves the value of the pkg-config variable for the given module. 281AC_DEFUN([PKG_CHECK_VAR], 282[AC_REQUIRE([PKG_PROG_PKG_CONFIG])dnl 283AC_ARG_VAR([$1], [value of $3 for $2, overriding pkg-config])dnl 284 285_PKG_CONFIG([$1], [variable="][$3]["], [$2]) 286AS_VAR_COPY([$1], [pkg_cv_][$1]) 287 288AS_VAR_IF([$1], [""], [$5], [$4])dnl 289])dnl PKG_CHECK_VAR 290 291m4_include([config/m4/icu-conditional.m4]) 292m4_include([acinclude.m4]) 293