configure: improve GStreamer API version checks.

diff --git a/configure.ac b/configure.ac
index f1d517e..2b4623c 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -19,9 +19,9 @@ m4_define([glib_version], [2.28])
 
 # gstreamer version number
 m4_define([gst_api_version],            [0.10])
-m4_define([gst_version],                [0.10.36])
-m4_define([gst_plugins_base_version],   [0.10.31])
-m4_define([gst_plugins_bad_version],    [0.10.22])
+m4_define([gst0_version],               [0.10.36])
+m4_define([gst0_plugins_base_version],  [0.10.31])
+m4_define([gst0_plugins_bad_version],   [0.10.22])
 
 # Wayland minimum version number
 m4_define([wayland_api_version], [1.0.0])
@@ -69,16 +69,6 @@ AC_SUBST(LIBVA_PACKAGE_VERSION)
 WAYLAND_API_VERSION=wayland_api_version
 AC_SUBST(WAYLAND_API_VERSION)
 
-dnl Versions for GStreamer and plugins-base
-GST_API_VERSION=gst_api_version
-GST_VERSION_REQUIRED=gst_version
-GST_PLUGINS_BASE_VERSION_REQUIRED=gst_plugins_base_version
-GST_PLUGINS_BAD_VERSION_REQUIRED=gst_plugins_bad_version
-AC_SUBST(GST_API_VERSION)
-AC_SUBST(GST_VERSION_REQUIRED)
-AC_SUBST(GST_PLUGINS_BASE_VERSION_REQUIRED)
-AC_SUBST(GST_PLUGINS_BAD_VERSION_REQUIRED)
-
 dnl Use pretty build output with automake >= 1.11
 m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])], [
   AM_DEFAULT_VERBOSITY=1
@@ -137,9 +127,28 @@ dnl ---------------------------------------------------------------------------
 dnl -- GStreamer                                                             --
 dnl ---------------------------------------------------------------------------
 
+dnl Versions for GStreamer and plugins-base
+GST_API_VERSION=gst_api_version
+case $GST_API_VERSION in
+0.10)
+    GST_VERSION_REQUIRED=gst0_version
+    GST_PLUGINS_BASE_VERSION_REQUIRED=gst0_plugins_base_version
+    GST_PLUGINS_BAD_VERSION_REQUIRED=gst0_plugins_bad_version
+    ;;
+*)
+    AC_MSG_ERROR([unsupported GStreamer API version $GST_API_VERSION])
+    ;;
+esac
+AC_SUBST(GST_API_VERSION)
+AC_SUBST(GST_VERSION_REQUIRED)
+AC_SUBST(GST_PLUGINS_BASE_VERSION_REQUIRED)
+AC_SUBST(GST_PLUGINS_BAD_VERSION_REQUIRED)
+
 dnl GStreamer Core
-PKG_CHECK_MODULES([GST],      [gstreamer-$GST_API_VERSION >= gst_version])
-PKG_CHECK_MODULES([GST_BASE], [gstreamer-base-$GST_API_VERSION >= gst_version])
+PKG_CHECK_MODULES([GST],
+    [gstreamer-$GST_API_VERSION >= $GST_VERSION_REQUIRED])
+PKG_CHECK_MODULES([GST_BASE],
+    [gstreamer-base-$GST_API_VERSION >= $GST_VERSION_REQUIRED])
 
 AC_CACHE_CHECK([for GstBaseSink::query hook], ac_cv_have_gst_base_sink_query, [
     saved_CPPFLAGS="$CPPFLAGS"
@@ -162,13 +171,13 @@ fi
 
 dnl GStreamer -base plugins
 PKG_CHECK_MODULES([GST_PLUGINS_BASE],
-    [gstreamer-plugins-base-$GST_API_VERSION >= gst_plugins_base_version])
+    [gstreamer-plugins-base-$GST_API_VERSION >= $GST_PLUGINS_BASE_VERSION_REQUIRED])
 PKG_CHECK_MODULES([GST_INTERFACES],
-    [gstreamer-interfaces-$GST_API_VERSION >= gst_plugins_base_version])
+    [gstreamer-interfaces-$GST_API_VERSION >= $GST_PLUGINS_BASE_VERSION_REQUIRED])
 
 dnl ... GstVideoOverlayComposition (gstreamer-video)
 PKG_CHECK_MODULES([GST_VIDEO],
-    [gstreamer-video-$GST_API_VERSION >= gst_plugins_base_version])
+    [gstreamer-video-$GST_API_VERSION >= $GST_PLUGINS_BASE_VERSION_REQUIRED])
 
 AC_CACHE_CHECK([for GstVideoOverlayComposition],
     ac_cv_have_gst_video_overlay_composition, [
@@ -247,11 +256,11 @@ AM_CONDITIONAL([USE_LOCAL_GST_VIDEO_DECODER],
 
 dnl GStreamer -bad plugins
 PKG_CHECK_MODULES([GST_BASEVIDEO],
-    [gstreamer-basevideo-$GST_API_VERSION >= gst_plugins_bad_version])
+    [gstreamer-basevideo-$GST_API_VERSION >= $GST_PLUGINS_BAD_VERSION_REQUIRED])
 
 dnl ... bitstream parsers
 PKG_CHECK_MODULES([GST_CODEC_PARSERS],
-    [gstreamer-codecparsers-$GST_API_VERSION >= gst_plugins_bad_version])
+    [gstreamer-codecparsers-$GST_API_VERSION >= $GST_PLUGINS_BAD_VERSION_REQUIRED])
 
 dnl ... MPEG-2 parser, with the required extensions
 AC_CACHE_CHECK([for MPEG-2 parser],
@@ -637,6 +646,7 @@ AS_IF([test $USE_WAYLAND -eq 1], [VIDEO_OUTPUTS="$VIDEO_OUTPUTS wayland"])
 echo
 echo $PACKAGE configuration summary:
 echo
+echo GStreamer API version ............ : $GST_API_VERSION
 echo VA-API version ................... : $VA_VERSION_STR
 echo Video outputs .................... : $VIDEO_OUTPUTS
 echo