[tracker/gstreamer-with-dlna] build: require gstreamer-pbutils when using Discoverer backend

[Aleksander Morgado <aleksm src gnome org>]

commit 7fa1e124a061f2ca215f77527463a36b4f4a34e9
Author: Aleksander Morgado <aleksander lanedo com>
Date:   Wed Jul 13 14:17:54 2011 +0200

    build: require gstreamer-pbutils when using Discoverer backend

 configure.ac                    |   14 +++++++++++++-
 src/tracker-extract/Makefile.am |    7 +++++++
 2 files changed, 20 insertions(+), 1 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index ffda2b2..74f9467 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1607,6 +1607,17 @@ else
            AC_DEFINE(GSTREAMER_BACKEND_TAGREADBIN, [], [Define that GStreamer Tagreadbin should be used])
         ;;
         "xdiscoverer")
+           PKG_CHECK_MODULES(GSTREAMER_PBUTILS,
+                             [gstreamer-pbutils-0.10 >= $GSTREAMER_REQUIRED],
+                             [have_gstreamer_pbutils=yes],
+                             [have_gstreamer_pbutils=no])
+           AC_SUBST(GSTREAMER_PBUTILS_CFLAGS)
+           AC_SUBST(GSTREAMER_PBUTILS_LIBS)
+
+           if test "x$have_gstreamer_pbutils" != "xyes"; then
+              AC_MSG_ERROR([Couldn't find GStreamer pbutils])
+           fi
+
            gstreamer_backend="Discoverer"
            AC_DEFINE(GSTREAMER_BACKEND_DISCOVERER, [], [Define that GStreamer Discoverer should be used])
         ;;
@@ -1630,7 +1641,8 @@ else
    esac
 fi
 
-AM_CONDITIONAL(HAVE_GUPNP_DLNA, test "x$gstreamer_backend" = "xGUPnP-DLNA")
+AM_CONDITIONAL(HAVE_GUPNP_DLNA,        test "x$gstreamer_backend" = "xGUPnP-DLNA")
+AM_CONDITIONAL(HAVE_GSTREAMER_PBUTILS, test "x$gstreamer_backend" = "xDiscoverer")
 
 ##################################################################
 # Check for tracker-extract: helixbin for gstreamer
diff --git a/src/tracker-extract/Makefile.am b/src/tracker-extract/Makefile.am
index 64e0a65..09a070b 100644
--- a/src/tracker-extract/Makefile.am
+++ b/src/tracker-extract/Makefile.am
@@ -328,11 +328,18 @@ libextract_gstreamer_la_LIBADD = \
 	$(BUILD_LIBS) \
 	$(TRACKER_EXTRACT_MODULES_LIBS) \
 	$(GSTREAMER_LIBS)
+
+# GStreamer with GUPnP-DLNA backend?
 if HAVE_GUPNP_DLNA
 libextract_gstreamer_la_CFLAGS += $(GUPNP_DLNA_CFLAGS)
 libextract_gstreamer_la_LIBADD += $(GUPNP_DLNA_LIBS)
 endif
 
+# GStreamer with Discoverer backend?
+if HAVE_GSTREAMER_PBUTILS
+libextract_gstreamer_la_CFLAGS += $(GSTREAMER_PBUTILS_CFLAGS)
+libextract_gstreamer_la_LIBADD += $(GSTREAMER_PBUTILS_LIBS)
+endif
 
 # GStreamer helix
 libextract_gstreamer_helix_la_SOURCES = tracker-extract-gstreamer-helix.c