diff --git a/ChangeLog b/ChangeLog
index 27f9f2c7f5..841c327fb1 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2007-03-01  Sebastian Dröge  <slomo@circular-chaos.org>
+
+	* configure.ac:
+	  Convert to new AG_GST style.
+
 2007-02-16  Tim-Philipp Müller  <tim at centricular dot net>
 
 	* ext/ffmpeg/gstffmpegdec.c: (gst_ffmpegdec_base_init),
diff --git a/common b/common
index 66d97715fc..9a56e28fc1 160000
--- a/common
+++ b/common
@@ -1 +1 @@
-Subproject commit 66d97715fc83888fd1b5469c569f0ef5bbea628b
+Subproject commit 9a56e28fc15440eb6852411321c46312e1d1bb73
diff --git a/configure.ac b/configure.ac
index 0c53cf4694..88b58e7f0b 100644
--- a/configure.ac
+++ b/configure.ac
@@ -7,6 +7,8 @@ AC_INIT(GStreamer FFMpeg, 0.10.2.1,
     http://bugzilla.gnome.org/enter_bug.cgi?product=GStreamer,
     gst-ffmpeg)
 
+AG_GST_INIT
+
 dnl initialize automake
 AM_INIT_AUTOMAKE
 
@@ -51,9 +53,9 @@ AC_SUBST(ACLOCAL_AMFLAGS, "-I m4 -I common/m4")
 
 dnl *** check for arguments to configure ***
 
-GST_ARG_WITH_PACKAGE_NAME
-GST_ARG_WITH_PACKAGE_ORIGIN
-GST_ARG_VALGRIND
+AG_GST_ARG_WITH_PACKAGE_NAME
+AG_GST_ARG_WITH_PACKAGE_ORIGIN
+AG_GST_ARG_VALGRIND
 
 dnl *** checks for platform ***
 
@@ -61,7 +63,7 @@ dnl * hardware/architecture *
 
 dnl common/m4/gst-arch.m4
 dnl check CPU type
-GST_ARCH
+AG_GST_ARCH
 
 dnl *** checks for programs ***
 
@@ -98,10 +100,10 @@ dnl *** checks for dependancy libraries ***
 
 dnl checks for gstreamer
 dnl uninstalled is selected preferentially -- see pkg-config(1)
-GST_CHECK_GST($GST_MAJORMINOR, [$GST_REQ])
-GST_CHECK_GST_BASE($GST_MAJORMINOR, [$GST_REQ])
-GST_CHECK_GST_PLUGINS_BASE($GST_MAJORMINOR, [$GST_REQ])
-GST_CHECK_GST_CHECK($GST_MAJORMINOR, [$GST_REQ], no)
+AG_GST_CHECK_GST($GST_MAJORMINOR, [$GST_REQ])
+AG_GST_CHECK_GST_BASE($GST_MAJORMINOR, [$GST_REQ])
+AG_GST_CHECK_GST_PLUGINS_BASE($GST_MAJORMINOR, [$GST_REQ])
+AG_GST_CHECK_GST_CHECK($GST_MAJORMINOR, [$GST_REQ], no)
 
 AC_MSG_NOTICE(Using GStreamer Core Plugins in $GST_PLUGINS_DIR)
 AC_MSG_NOTICE(Using GStreamer Base Plugins in $GSTPB_PLUGINS_DIR)
@@ -119,13 +121,13 @@ AC_SUBST(LIBOIL_LIBS)
 dnl *** set variables based on configure arguments ***
 
 dnl set location of plugin directory
-GST_SET_PLUGINDIR
+AG_GST_SET_PLUGINDIR
 
 dnl define an ERROR_CFLAGS Makefile variable
-GST_SET_ERROR_CFLAGS($GST_CVS)
+AG_GST_SET_ERROR_CFLAGS($GST_CVS)
 
 dnl define correct level for debugging messages
-GST_SET_LEVEL_DEFAULT($GST_CVS)
+AG_GST_SET_LEVEL_DEFAULT($GST_CVS)
 
 dnl *** finalize CFLAGS, LDFLAGS, LIBS ***