=== modified file 'clients/playrtp.c'
--- clients/playrtp.c	2009-04-18 13:26:04 +0000
+++ clients/playrtp.c	2009-05-02 10:12:21 +0000
@@ -324,6 +324,9 @@
     pthread_cond_broadcast(&cond);
     pthread_mutex_unlock(&lock);
   }
+#if HAVE_STUPID_GCC44
+  return NULL;
+#endif
 }
 
 /** @brief Background thread collecting samples

=== modified file 'configure.ac'
--- configure.ac	2009-04-05 11:28:33 +0000
+++ configure.ac	2009-05-02 10:12:21 +0000
@@ -697,6 +697,25 @@
     gcc_werror=''
   fi
 
+  AC_CACHE_CHECK([checking for excessively strict -Wreturn-type],
+                 [rjk_cv_gcc44_stupidity],[
+    old_CC="$CC"
+    if test $GCC = yes; then
+      CC="$CC -Wreturn-type -Werror"
+    fi
+    AC_COMPILE_IFELSE([
+      static void *threadfn(void) {
+        for(;;)
+          ;
+      }],
+      [rjk_cv_gcc44_stupidity=no],
+      [rjk_cv_gcc44_stupidity=yes])
+    CC="$old_CC"
+  ])
+  if test $rjk_cv_gcc44_stupidity = yes; then
+    AC_DEFINE([HAVE_STUPID_GCC44],[1],[Define if your compiler has excessively strict -Wreturn-type])
+  fi
+
   # a reasonable default set of warnings
   CC="${CC} -Wall -W -Wpointer-arith -Wbad-function-cast \
 	-Wwrite-strings -Wmissing-prototypes \