randy-waterhouse
10 years ago
2 changed files with 0 additions and 221 deletions
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# pkg.m4 - Macros to locate and utilise pkg-config. -*- Autoconf -*- |
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# serial 1 (pkg-config-0.24) |
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# |
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# Copyright © 2004 Scott James Remnant <scott@netsplit.com>. |
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# |
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# This program is free software; you can redistribute it and/or modify |
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# it under the terms of the GNU General Public License as published by |
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# the Free Software Foundation; either version 2 of the License, or |
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# (at your option) any later version. |
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# |
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# This program is distributed in the hope that it will be useful, but |
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# WITHOUT ANY WARRANTY; without even the implied warranty of |
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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# General Public License for more details. |
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# |
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# You should have received a copy of the GNU General Public License |
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# along with this program; if not, write to the Free Software |
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# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
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# |
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# As a special exception to the GNU General Public License, if you |
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# distribute this file as part of a program that contains a |
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# configuration script generated by Autoconf, you may include it under |
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# the same distribution terms that you use for the rest of that program. |
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|
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# PKG_PROG_PKG_CONFIG([MIN-VERSION]) |
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# ---------------------------------- |
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AC_DEFUN([PKG_PROG_PKG_CONFIG], |
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[m4_pattern_forbid([^_?PKG_[A-Z_]+$]) |
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m4_pattern_allow([^PKG_CONFIG(_(PATH|LIBDIR|SYSROOT_DIR|ALLOW_SYSTEM_(CFLAGS|LIBS)))?$]) |
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m4_pattern_allow([^PKG_CONFIG_(DISABLE_UNINSTALLED|TOP_BUILD_DIR|DEBUG_SPEW)$]) |
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AC_ARG_VAR([PKG_CONFIG], [path to pkg-config utility]) |
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AC_ARG_VAR([PKG_CONFIG_PATH], [directories to add to pkg-config's search path]) |
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AC_ARG_VAR([PKG_CONFIG_LIBDIR], [path overriding pkg-config's built-in search path]) |
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if test "x$ac_cv_env_PKG_CONFIG_set" != "xset"; then |
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AC_PATH_TOOL([PKG_CONFIG], [pkg-config]) |
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fi |
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if test -n "$PKG_CONFIG"; then |
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_pkg_min_version=m4_default([$1], [0.9.0]) |
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AC_MSG_CHECKING([pkg-config is at least version $_pkg_min_version]) |
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if $PKG_CONFIG --atleast-pkgconfig-version $_pkg_min_version; then |
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AC_MSG_RESULT([yes]) |
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else |
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AC_MSG_RESULT([no]) |
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PKG_CONFIG="" |
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fi |
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fi[]dnl |
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])# PKG_PROG_PKG_CONFIG |
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# PKG_CHECK_EXISTS(MODULES, [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND]) |
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# |
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# Check to see whether a particular set of modules exists. Similar |
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# to PKG_CHECK_MODULES(), but does not set variables or print errors. |
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# |
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# Please remember that m4 expands AC_REQUIRE([PKG_PROG_PKG_CONFIG]) |
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# only at the first occurence in configure.ac, so if the first place |
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# it's called might be skipped (such as if it is within an "if", you |
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# have to call PKG_CHECK_EXISTS manually |
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# -------------------------------------------------------------- |
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AC_DEFUN([PKG_CHECK_EXISTS], |
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[AC_REQUIRE([PKG_PROG_PKG_CONFIG])dnl |
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if test -n "$PKG_CONFIG" && \ |
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AC_RUN_LOG([$PKG_CONFIG --exists --print-errors "$1"]); then |
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m4_default([$2], [:]) |
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m4_ifvaln([$3], [else |
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$3])dnl |
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fi]) |
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# _PKG_CONFIG([VARIABLE], [COMMAND], [MODULES]) |
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# --------------------------------------------- |
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m4_define([_PKG_CONFIG], |
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[if test -n "$$1"; then |
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pkg_cv_[]$1="$$1" |
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elif test -n "$PKG_CONFIG"; then |
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PKG_CHECK_EXISTS([$3], |
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[pkg_cv_[]$1=`$PKG_CONFIG --[]$2 "$3" 2>/dev/null` |
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test "x$?" != "x0" && pkg_failed=yes ], |
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[pkg_failed=yes]) |
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else |
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pkg_failed=untried |
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fi[]dnl |
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])# _PKG_CONFIG |
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# _PKG_SHORT_ERRORS_SUPPORTED |
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# ----------------------------- |
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AC_DEFUN([_PKG_SHORT_ERRORS_SUPPORTED], |
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[AC_REQUIRE([PKG_PROG_PKG_CONFIG]) |
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if $PKG_CONFIG --atleast-pkgconfig-version 0.20; then |
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_pkg_short_errors_supported=yes |
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else |
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_pkg_short_errors_supported=no |
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fi[]dnl |
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])# _PKG_SHORT_ERRORS_SUPPORTED |
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# PKG_CHECK_MODULES(VARIABLE-PREFIX, MODULES, [ACTION-IF-FOUND], |
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# [ACTION-IF-NOT-FOUND]) |
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# |
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# |
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# Note that if there is a possibility the first call to |
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# PKG_CHECK_MODULES might not happen, you should be sure to include an |
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# explicit call to PKG_PROG_PKG_CONFIG in your configure.ac |
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# |
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# |
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# -------------------------------------------------------------- |
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AC_DEFUN([PKG_CHECK_MODULES], |
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[AC_REQUIRE([PKG_PROG_PKG_CONFIG])dnl |
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AC_ARG_VAR([$1][_CFLAGS], [C compiler flags for $1, overriding pkg-config])dnl |
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AC_ARG_VAR([$1][_LIBS], [linker flags for $1, overriding pkg-config])dnl |
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pkg_failed=no |
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AC_MSG_CHECKING([for $1]) |
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_PKG_CONFIG([$1][_CFLAGS], [cflags], [$2]) |
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_PKG_CONFIG([$1][_LIBS], [libs], [$2]) |
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m4_define([_PKG_TEXT], [Alternatively, you may set the environment variables $1[]_CFLAGS |
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and $1[]_LIBS to avoid the need to call pkg-config. |
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See the pkg-config man page for more details.]) |
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if test $pkg_failed = yes; then |
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AC_MSG_RESULT([no]) |
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_PKG_SHORT_ERRORS_SUPPORTED |
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if test $_pkg_short_errors_supported = yes; then |
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$1[]_PKG_ERRORS=`$PKG_CONFIG --short-errors --print-errors --cflags --libs "$2" 2>&1` |
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else |
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$1[]_PKG_ERRORS=`$PKG_CONFIG --print-errors --cflags --libs "$2" 2>&1` |
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fi |
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# Put the nasty error message in config.log where it belongs |
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echo "$$1[]_PKG_ERRORS" >&AS_MESSAGE_LOG_FD |
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m4_default([$4], [AC_MSG_ERROR( |
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[Package requirements ($2) were not met: |
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$$1_PKG_ERRORS |
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Consider adjusting the PKG_CONFIG_PATH environment variable if you |
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installed software in a non-standard prefix. |
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_PKG_TEXT])[]dnl |
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]) |
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elif test $pkg_failed = untried; then |
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AC_MSG_RESULT([no]) |
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m4_default([$4], [AC_MSG_FAILURE( |
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[The pkg-config script could not be found or is too old. Make sure it |
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is in your PATH or set the PKG_CONFIG environment variable to the full |
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path to pkg-config. |
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_PKG_TEXT |
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To get pkg-config, see <http://pkg-config.freedesktop.org/>.])[]dnl |
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]) |
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else |
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$1[]_CFLAGS=$pkg_cv_[]$1[]_CFLAGS |
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$1[]_LIBS=$pkg_cv_[]$1[]_LIBS |
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AC_MSG_RESULT([yes]) |
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$3 |
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fi[]dnl |
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])# PKG_CHECK_MODULES |
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# PKG_INSTALLDIR(DIRECTORY) |
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# ------------------------- |
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# Substitutes the variable pkgconfigdir as the location where a module |
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# should install pkg-config .pc files. By default the directory is |
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# $libdir/pkgconfig, but the default can be changed by passing |
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# DIRECTORY. The user can override through the --with-pkgconfigdir |
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# parameter. |
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AC_DEFUN([PKG_INSTALLDIR], |
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[m4_pushdef([pkg_default], [m4_default([$1], ['${libdir}/pkgconfig'])]) |
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m4_pushdef([pkg_description], |
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[pkg-config installation directory @<:@]pkg_default[@:>@]) |
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AC_ARG_WITH([pkgconfigdir], |
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[AS_HELP_STRING([--with-pkgconfigdir], pkg_description)],, |
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[with_pkgconfigdir=]pkg_default) |
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AC_SUBST([pkgconfigdir], [$with_pkgconfigdir]) |
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m4_popdef([pkg_default]) |
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m4_popdef([pkg_description]) |
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]) dnl PKG_INSTALLDIR |
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# PKG_NOARCH_INSTALLDIR(DIRECTORY) |
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# ------------------------- |
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# Substitutes the variable noarch_pkgconfigdir as the location where a |
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# module should install arch-independent pkg-config .pc files. By |
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# default the directory is $datadir/pkgconfig, but the default can be |
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# changed by passing DIRECTORY. The user can override through the |
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# --with-noarch-pkgconfigdir parameter. |
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AC_DEFUN([PKG_NOARCH_INSTALLDIR], |
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[m4_pushdef([pkg_default], [m4_default([$1], ['${datadir}/pkgconfig'])]) |
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m4_pushdef([pkg_description], |
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[pkg-config arch-independent installation directory @<:@]pkg_default[@:>@]) |
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AC_ARG_WITH([noarch-pkgconfigdir], |
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[AS_HELP_STRING([--with-noarch-pkgconfigdir], pkg_description)],, |
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[with_noarch_pkgconfigdir=]pkg_default) |
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AC_SUBST([noarch_pkgconfigdir], [$with_noarch_pkgconfigdir]) |
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m4_popdef([pkg_default]) |
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m4_popdef([pkg_description]) |
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]) dnl PKG_NOARCH_INSTALLDIR |
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# PKG_CHECK_VAR(VARIABLE, MODULE, CONFIG-VARIABLE, |
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# [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND]) |
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# ------------------------------------------- |
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# Retrieves the value of the pkg-config variable for the given module. |
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AC_DEFUN([PKG_CHECK_VAR], |
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[AC_REQUIRE([PKG_PROG_PKG_CONFIG])dnl |
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AC_ARG_VAR([$1], [value of $3 for $2, overriding pkg-config])dnl |
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_PKG_CONFIG([$1], [variable="][$3]["], [$2]) |
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AS_VAR_COPY([$1], [pkg_cv_][$1]) |
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AS_VAR_IF([$1], [""], [$5], [$4])dnl |
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])# PKG_CHECK_VAR |
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