--- libgig/trunk/configure.in	2004/08/18 12:11:26	220
+++ libgig/trunk/configure.in	2007/03/24 11:55:06	1116
@@ -1,12 +1,15 @@
 AC_INIT(configure.in)
-AM_CONFIG_HEADER(config.h)
 
-AM_INIT_AUTOMAKE(libgig, 0.7.1, cuse@users.sourceforge.net)
-AC_PROG_LIBTOOL
+#------------------------------------------------------------------------------------
+# Library's "official" release version:
 
+LIBGIG_RELEASE_MAJOR=3
+LIBGIG_RELEASE_MINOR=1
+LIBGIG_RELEASE_BUILD=1
 
 #------------------------------------------------------------------------------------
-# Rules for library version information:
+# The following is the libtool / shared library version. This doesn't have to
+# do anything with the release version. It MUST conform to the following rules:
 #
 #  1. Start with version information of `0:0:0' for each libtool library.
 #  2. Update the version information only immediately before a public release of
@@ -21,8 +24,10 @@
 #  6. If any interfaces have been removed since the last public release, then set age
 #     to 0.
 
-# we wait to bump the version until the next point release
-SHARED_VERSION_INFO="0:0:0"
+LIBGIG_LT_CURRENT=7
+LIBGIG_LT_REVISION=0
+LIBGIG_LT_AGE=1
+SHARED_VERSION_INFO="$LIBGIG_LT_CURRENT:$LIBGIG_LT_REVISION:$LIBGIG_LT_AGE"
 
 
 AC_C_BIGENDIAN
@@ -34,10 +39,34 @@
 AC_SUBST(SHLIB_VERSION_ARG)
 AC_SUBST(SHARED_VERSION_INFO)
 
-// check for presence of libsndfile
+have_audio_file_lib="false"
+
+# check for presence of libsndfile
 PKG_CHECK_MODULES(SNDFILE, sndfile >= 1.0.2, ac_cv_sndfile=1, ac_cv_sndfile=0)
+AM_CONDITIONAL(HAVE_SNDFILE, test $ac_cv_sndfile = "1")
 AC_DEFINE_UNQUOTED([HAVE_SNDFILE],${ac_cv_sndfile}, [Set to 1 if you have libsndfile.])
 AC_SUBST(SNDFILE_CFLAGS)
 AC_SUBST(SNDFILE_LIBS)
+if test "$ac_cv_sndfile" = "1"; then
+    have_audio_file_lib="true";
+else
+    # no libsndfile? then check for presence of libaudiofile
+    PKG_CHECK_MODULES(AUDIOFILE, audiofile >= 0.2.3, ac_cv_audiofile=1, ac_cv_audiofile=0)
+    AC_DEFINE_UNQUOTED([HAVE_AUDIOFILE],${ac_cv_audiofile}, [Set to 1 if you have libaudiofile.])
+    AC_SUBST(AUDIOFILE_CFLAGS)
+    AC_SUBST(AUDIOFILE_LIBS)
+    if test "$ac_cv_audiofile" = "1"; then
+        have_audio_file_lib="true";
+    fi
+fi
+if test "$have_audio_file_lib" = "false"; then
+    echo "No audio file library found!"
+    echo "Sorry, you need either libsndfile or libaudiofile to compile libgig."
+    echo "This is needed for the gigextract utility to write audio files."
+    exit -1;
+fi
+
+AM_CONFIG_HEADER(config.h)
+AM_INIT_AUTOMAKE(libgig, "$LIBGIG_RELEASE_MAJOR.$LIBGIG_RELEASE_MINOR.$LIBGIG_RELEASE_BUILD")
 
-AC_OUTPUT(Makefile doc/Makefile man/Makefile src/Makefile libgig.spec gig.pc Doxyfile)
+AC_OUTPUT(Makefile doc/Makefile man/Makefile src/Makefile libgig.spec gig.pc Doxyfile man/dlsdump.1 man/gigdump.1 man/gigextract.1 man/rifftree.1 debian/Makefile src/testcases/Makefile)