From 69635022133488e6b19569fb59b16c4658a244eb Mon Sep 17 00:00:00 2001
From: Eric Wong <normalperson@yhbt.net>
Date: Thu, 16 Mar 2006 06:52:46 +0000
Subject: merge with mpd/trunk up to r3925

git-svn-id: https://svn.musicpd.org/mpd/trunk@3926 09075e82-0dd4-0310-85a5-a0d7c8717e4f
---
 m4/libOggFLAC.m4 | 104 +++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 104 insertions(+)
 create mode 100644 m4/libOggFLAC.m4

(limited to 'm4')

diff --git a/m4/libOggFLAC.m4 b/m4/libOggFLAC.m4
new file mode 100644
index 000000000..a04623f6c
--- /dev/null
+++ b/m4/libOggFLAC.m4
@@ -0,0 +1,104 @@
+# Configure paths for libOggFLAC
+# "Inspired" by ogg.m4
+
+dnl AM_PATH_LIBOGGFLAC([ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]])
+dnl Test for libOggFLAC, and define LIBOGGFLAC_CFLAGS and LIBOGGFLAC_LIBS
+dnl
+AC_DEFUN([AM_PATH_LIBOGGFLAC],
+[dnl 
+dnl Get the cflags and libraries
+dnl
+AC_ARG_WITH(libOggFLAC,[  --with-libOggFLAC=PFX   Prefix where libOggFLAC is installed (optional)], libOggFLAC_prefix="$withval", libOggFLAC_prefix="")
+AC_ARG_WITH(libOggFLAC-libraries,[  --with-libOggFLAC-libraries=DIR   Directory where libOggFLAC library is installed (optional)], libOggFLAC_libraries="$withval", libOggFLAC_libraries="")
+AC_ARG_WITH(libOggFLAC-includes,[  --with-libOggFLAC-includes=DIR   Directory where libOggFLAC header files are installed (optional)], libOggFLAC_includes="$withval", libOggFLAC_includes="")
+AC_ARG_ENABLE(libOggFLACtest, [  --disable-libOggFLACtest       Do not try to compile and run a test libOggFLAC program],, enable_libOggFLACtest=yes)
+
+  if test "x$libOggFLAC_libraries" != "x" ; then
+    LIBOGGFLAC_LIBS="-L$libOggFLAC_libraries"
+  elif test "x$libOggFLAC_prefix" != "x" ; then
+    LIBOGGFLAC_LIBS="-L$libOggFLAC_prefix/lib"
+  elif test "x$prefix" != "xNONE" ; then
+    LIBOGGFLAC_LIBS="-L$libdir"
+  fi
+
+  LIBOGGFLAC_LIBS="$LIBOGGFLAC_LIBS -lOggFLAC -lFLAC -lm"
+
+  if test "x$libOggFLAC_includes" != "x" ; then
+    LIBOGGFLAC_CFLAGS="-I$libOggFLAC_includes"
+  elif test "x$libOggFLAC_prefix" != "x" ; then
+    LIBOGGFLAC_CFLAGS="-I$libOggFLAC_prefix/include"
+  elif test "$prefix" != "xNONE"; then
+    LIBOGGFLAC_CFLAGS="-I$prefix/include"
+  fi
+
+  AC_MSG_CHECKING(for libOggFLAC)
+  no_libOggFLAC=""
+
+
+  if test "x$enable_libOggFLACtest" = "xyes" ; then
+    ac_save_CFLAGS="$CFLAGS"
+    ac_save_CXXFLAGS="$CXXFLAGS"
+    ac_save_LIBS="$LIBS"
+    CFLAGS="$CFLAGS $LIBOGGFLAC_CFLAGS"
+    CXXFLAGS="$CXXFLAGS $LIBOGGFLAC_CFLAGS"
+    LIBS="$LIBS $LIBOGGFLAC_LIBS"
+dnl
+dnl Now check if the installed libOggFLAC is sufficiently new.
+dnl
+      rm -f conf.libOggFLACtest
+      AC_TRY_RUN([
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <OggFLAC/stream_decoder.h>
+
+int main ()
+{
+  system("touch conf.libOggFLACtest");
+  return 0;
+}
+
+],, no_libOggFLAC=yes,[echo $ac_n "cross compiling; assumed OK... $ac_c"])
+       CFLAGS="$ac_save_CFLAGS"
+       LIBS="$ac_save_LIBS"
+  fi
+
+  if test "x$no_libOggFLAC" = "x" ; then
+     AC_MSG_RESULT(yes)
+     ifelse([$1], , :, [$1])     
+  else
+     AC_MSG_RESULT(no)
+     if test -f conf.libOggFLACtest ; then
+       :
+     else
+       echo "*** Could not run libOggFLAC test program, checking why..."
+       CFLAGS="$CFLAGS $LIBOGGFLAC_CFLAGS"
+       LIBS="$LIBS $LIBOGGFLAC_LIBS"
+       AC_TRY_LINK([
+#include <stdio.h>
+#include <OggFLAC/stream_decoder.h>
+],     [ return 0; ],
+       [ echo "*** The test program compiled, but did not run. This usually means"
+       echo "*** that the run-time linker is not finding libOggFLAC or finding the wrong"
+       echo "*** version of libOggFLAC. If it is not finding libOggFLAC, you'll need to set your"
+       echo "*** LD_LIBRARY_PATH environment variable, or edit /etc/ld.so.conf to point"
+       echo "*** to the installed location  Also, make sure you have run ldconfig if that"
+       echo "*** is required on your system"
+       echo "***"
+       echo "*** If you have an old version installed, it is best to remove it, although"
+       echo "*** you may also be able to get things to work by modifying LD_LIBRARY_PATH"],
+       [ echo "*** The test program failed to compile or link. See the file config.log for the"
+       echo "*** exact error that occured. This usually means libOggFLAC was incorrectly installed"
+       echo "*** or that you have moved libOggFLAC since it was installed. In the latter case, you"
+       echo "*** may want to edit the libOggFLAC-config script: $LIBOGGFLAC_CONFIG" ])
+       CFLAGS="$ac_save_CFLAGS"
+       LIBS="$ac_save_LIBS"
+     fi
+     LIBOGGFLAC_CFLAGS=""
+     LIBOGGFLAC_LIBS=""
+     ifelse([$2], , :, [$2])
+  fi
+  AC_SUBST(LIBOGGFLAC_CFLAGS)
+  AC_SUBST(LIBOGGFLAC_LIBS)
+  rm -f conf.libOggFLACtest
+])
-- 
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