From 06bb32e2b6bd07acff9fdef095cfae58f6acee10 Mon Sep 17 00:00:00 2001
From: Jack Moffitt <jack@xiph.org>
Date: Sun, 22 Oct 2000 02:57:11 +0000
Subject: this pretty much finishes the automake work for ogg

svn path=/trunk/ogg/; revision=748
---
 ogg.m4 | 110 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 110 insertions(+)
 create mode 100644 ogg.m4

(limited to 'ogg.m4')

diff --git a/ogg.m4 b/ogg.m4
new file mode 100644
index 0000000..d519de5
--- /dev/null
+++ b/ogg.m4
@@ -0,0 +1,110 @@
+# Configure paths for libogg
+# Jack Moffitt <jack@icecast.org> 10-21-2000
+# Shamelessly stolen from Owen Taylor and Manish Singh
+
+dnl AM_PATH_OGG([MINIMUM-VERSION, [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]]])
+dnl Test for libogg, and define OGG_CFLAGS and OGG_LIBS
+dnl
+AC_DEFUN(AM_PATH_OGG,
+[dnl 
+dnl Get the cflags and libraries from the ogg-config script
+dnl
+AC_ARG_WITH(ogg-prefix,[  --with-ogg-prefix=PFX   Prefix where libogg is installed (optional)], ogg_prefix="$withval", ogg_prefix="")
+AC_ARG_ENABLE(oggtest, [  --disable-oggtest       Do not try to compile and run a test Ogg program],, enable_oggtest=yes)
+
+  if test x$ogg_prefix != x ; then
+     ogg_args="$ogg_args --prefix=$ogg_prefix"
+     if test x${OGG_CONFIG+set} != xset ; then
+        OGG_CONFIG=$ogg_prefix/bin/ogg-config
+     fi
+  fi
+
+  AC_PATH_PROG(OGG_CONFIG, ogg-config, no)
+  min_ogg_version=ifelse([$1], ,1.0.0,$1)
+  AC_MSG_CHECKING(for Ogg - version >= $min_ogg_version)
+  no_ogg=""
+  if test "$OGG_CONFIG" = "no" ; then
+    no_esd=yes
+  else
+    OGG_CFLAGS=`$OGG_CONFIG $oggconf_args --cflags`
+    OGG_LIBS=`$OGG_CONFIG $oggconf_args --libs`
+
+    ogg_major_version=`$OGG_CONFIG $ogg_args --version | \
+           sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\1/'`
+    ogg_minor_version=`$OGG_CONFIG $ogg_args --version | \
+           sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\2/'`
+    ogg_micro_version=`$OGG_CONFIG $ogg_config_args --version | \
+           sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\3/'`
+    if test "x$enable_oggtest" = "xyes" ; then
+      ac_save_CFLAGS="$CFLAGS"
+      ac_save_LIBS="$LIBS"
+      CFLAGS="$CFLAGS $OGG_CFLAGS"
+      LIBS="$LIBS $OGG_LIBS"
+dnl
+dnl Now check if the installed Ogg is sufficiently new. (Also sanity
+dnl checks the results of ogg-config to some extent
+dnl
+      rm -f conf.oggtest
+      AC_TRY_RUN([
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <ogg/ogg.h>
+
+int main ()
+{
+  system("touch conf.oggtest");
+  return 0;
+}
+
+],, no_ogg=yes,[echo $ac_n "cross compiling; assumed OK... $ac_c"])
+       CFLAGS="$ac_save_CFLAGS"
+       LIBS="$ac_save_LIBS"
+     fi
+  fi
+  if test "x$no_ogg" = x ; then
+     AC_MSG_RESULT(yes)
+     ifelse([$2], , :, [$2])     
+  else
+     AC_MSG_RESULT(no)
+     if test "$OGG_CONFIG" = "no" ; then
+       echo "*** The ogg-config script installed by Ogg could not be found"
+       echo "*** If Ogg was installed in PREFIX, make sure PREFIX/bin is in"
+       echo "*** your path, or set the OGG_CONFIG environment variable to the"
+       echo "*** full path to ogg-config."
+     else
+       if test -f conf.oggtest ; then
+        :
+       else
+          echo "*** Could not run Ogg test program, checking why..."
+          CFLAGS="$CFLAGS $OGG_CFLAGS"
+          LIBS="$LIBS $OGG_LIBS"
+          AC_TRY_LINK([
+#include <stdio.h>
+#include <ogg/ogg.h>
+],      [ return 0; ],
+        [ echo "*** The test program compiled, but did not run. This usually means"
+          echo "*** that the run-time linker is not finding Ogg or finding the wrong"
+          echo "*** version of Ogg. If it is not finding Ogg, 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 Ogg was incorrectly installed"
+          echo "*** or that you have moved Ogg since it was installed. In the latter case, you"
+          echo "*** may want to edit the ogg-config script: $OGG_CONFIG" ])
+          CFLAGS="$ac_save_CFLAGS"
+          LIBS="$ac_save_LIBS"
+       fi
+     fi
+     OGG_CFLAGS=""
+     OGG_LIBS=""
+     ifelse([$3], , :, [$3])
+  fi
+  AC_SUBST(OGG_CFLAGS)
+  AC_SUBST(OGG_LIBS)
+  rm -f conf.oggtest
+])
-- 
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