--- libmpeg2/configure.ac	2016-01-20 15:31:37.933547037 +0100
+++ libmpeg2.new/configure.ac	2016-01-20 15:05:40.931231465 +0100
@@ -149,7 +149,6 @@
 
 dnl Checks for typedefs, structures, and compiler characteristics.
 AC_C_CONST
-AC_C_ALWAYS_INLINE
 AC_C_RESTRICT
 AC_C_BUILTIN_EXPECT
 AC_C_BIGENDIAN
