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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 06:50:17 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 06:50:17 +0000
commit86ed03f8adee56c050c73018537371c230a664a6 (patch)
treeeae3d04cdf1c49848e5a671327ab38297f4acb0d /m4/PKG_CHECK_VAR.m4
parentInitial commit. (diff)
downloadfence-agents-86ed03f8adee56c050c73018537371c230a664a6.tar.xz
fence-agents-86ed03f8adee56c050c73018537371c230a664a6.zip
Adding upstream version 4.12.1.upstream/4.12.1upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'm4/PKG_CHECK_VAR.m4')
-rw-r--r--m4/PKG_CHECK_VAR.m424
1 files changed, 24 insertions, 0 deletions
diff --git a/m4/PKG_CHECK_VAR.m4 b/m4/PKG_CHECK_VAR.m4
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+++ b/m4/PKG_CHECK_VAR.m4
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+dnl PKG_CHECK_VAR(VARIABLE, MODULE, CONFIG-VARIABLE,
+dnl [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND])
+dnl -------------------------------------------
+dnl Since: 0.28
+dnl
+dnl Retrieves the value of the pkg-config variable for the given module.
+dnl
+dnl Origin (declared license: GPLv2+ with less restrictive exception):
+dnl https://cgit.freedesktop.org/pkg-config/tree/pkg.m4.in?h=pkg-config-0.29.1#n261
+dnl (AS_VAR_COPY replaced with backward-compatible equivalent and guard
+dnl to prefer system-wide variant by Jan Pokorny <jpokorny@redhat.com>)
+
+m4_ifndef([PKG_CHECK_VAR],[
+AC_DEFUN([PKG_CHECK_VAR],
+[AC_REQUIRE([PKG_PROG_PKG_CONFIG])dnl
+AC_ARG_VAR([$1], [value of $3 for $2, overriding pkg-config])dnl
+
+_PKG_CONFIG([$1], [variable="][$3]["], [$2])
+dnl AS_VAR_COPY([$1], [pkg_cv_][$1])
+$1=AS_VAR_GET([pkg_cv_][$1])
+
+AS_VAR_IF([$1], [""], [$5], [$4])dnl
+])dnl PKG_CHECK_VAR
+])dnl m4_ifndef