Signed-off-by: Juliusz Sosinowicz <[email protected]>
---
compat.m4 | 16 ++++++++++++++++
1 file changed, 16 insertions(+)
diff --git a/compat.m4 b/compat.m4
index e54a7203..47650f6d 100644
--- a/compat.m4
+++ b/compat.m4
@@ -64,6 +64,22 @@ ifdef(
AC_DEFUN([AC_TYPE_UINT64_T], [])
]
)
+ifdef(
+ [PKG_CHECK_VAR],
+ ,
+ [
+ AC_DEFUN([PKG_CHECK_VAR],
+ [AC_REQUIRE([PKG_PROG_PKG_CONFIG])
+ AC_ARG_VAR([$1], [value of $3 for $2, overriding pkg-config])
+
+ _PKG_CONFIG([$1], [variable="][$3]["], [$2])
+ AS_VAR_COPY([$1], [pkg_cv_][$1])
+
+ AS_VAR_IF([$1], [""], [$5], [$4])
+ ])
+ ]
+)
+
if test -z "${docdir}"; then
docdir="\$(datadir)/doc/\$(PACKAGE_NAME)"
AC_SUBST([docdir])
--
2.25.1
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