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authorMax Kellermann <max@duempel.org>2011-09-01 09:18:16 +0200
committerMax Kellermann <max@duempel.org>2011-09-01 10:58:36 +0200
commita1b880642244b9f732d327e1d93162652838bb06 (patch)
treeb12e5ad1e83091cbf2605ba5468ec61a5ffade83 /m4/mpd_auto.m4
parente635d479129fe3a6ea4cff13b682be6cc97db81c (diff)
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configure.ac: fail if libid3tag was enabled explicitly, but not found
Add M4 function MPD_AUTO_PKG_LIB for pkg-config with AC_CHECK_LIB fallback.
Diffstat (limited to 'm4/mpd_auto.m4')
-rw-r--r--m4/mpd_auto.m415
1 files changed, 15 insertions, 0 deletions
diff --git a/m4/mpd_auto.m4 b/m4/mpd_auto.m4
index 3f233938f..23713d5b7 100644
--- a/m4/mpd_auto.m4
+++ b/m4/mpd_auto.m4
@@ -63,3 +63,18 @@ AC_DEFUN([MPD_AUTO_PKG], [
MPD_AUTO_RESULT([$1], [$4], [$5])
])
+
+dnl Check with pkg-config first, fall back to AC_CHECK_LIB.
+dnl
+dnl Parameters: varname1, varname2, pkgname, libname, symname, libs, cflags, description, errmsg
+AC_DEFUN([MPD_AUTO_PKG_LIB], [
+ if eval "test x`echo '$'enable_$1` != xno"; then
+ PKG_CHECK_MODULES([$2], [$3],
+ [eval "found_$1=yes"],
+ AC_CHECK_LIB($4, $5,
+ [eval "found_$1=yes $2_LIBS='$6' $2_CFLAGS='$7'"],
+ [eval "found_$1=no"]))
+ fi
+
+ MPD_AUTO_RESULT([$1], [$8], [$9])
+])