diff --git a/ChangeLog b/ChangeLog
index 84faaa68a3..01767551bd 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,14 @@
+2008-01-10  Sebastian Dröge  <slomo@circular-chaos.org>
+
+	* autogen.sh:
+	  Add -Wno-portability to the automake parameters to stop warnings
+	  about GNU make extensions being used. We require GNU make in almost
+	  every Makefile anyway.
+	  
+	* configure.ac:
+	  Use AM_PROG_CC_C_O as a compiler that accepts both -c and -o
+	  at the same time is required for per target flags.
+
 2008-01-08  Tim-Philipp Müller  <tim at centricular dot net>
 
 	* gst-libs/gst/tag/gsttagdemux.c: (gst_tag_demux_pull_start_tag):
diff --git a/autogen.sh b/autogen.sh
index 0fd0382108..43cda4e72b 100755
--- a/autogen.sh
+++ b/autogen.sh
@@ -80,7 +80,7 @@ tool_run "$autoheader"
 echo timestamp > stamp-h.in 2> /dev/null
 
 tool_run "$autoconf"
-tool_run "$automake" "-a -c"
+tool_run "$automake" "-a -c -Wno-portability"
 
 # if enable exists, add an -enable option for each of the lines in that file
 if test -f enable; then
diff --git a/common b/common
index 970759077c..49c2fc5c9b 160000
--- a/common
+++ b/common
@@ -1 +1 @@
-Subproject commit 970759077c95ee4e85650db023ac6f974e2aa5e1
+Subproject commit 49c2fc5c9bff0e9858e89978bd98164a386de51d
diff --git a/configure.ac b/configure.ac
index dcbe3a7ec1..9cb2f8119b 100644
--- a/configure.ac
+++ b/configure.ac
@@ -146,6 +146,9 @@ dnl *** checks for programs ***
 dnl find a compiler
 AC_PROG_CC
 
+dnl check if the compiler supports '-c' and '-o' options
+AM_PROG_CC_C_O
+
 AC_PATH_PROG(VALGRIND_PATH, valgrind, no)
 AM_CONDITIONAL(HAVE_VALGRIND, test ! "x$VALGRIND_PATH" = "xno")