--- a52dec/configure.in	2002-07-28 05:50:20.000000000 +0200
+++ a52dec.new/configure.in	2016-01-20 15:11:39.816137143 +0100
@@ -85,7 +85,6 @@
 
 dnl Checks for typedefs, structures, and compiler characteristics.
 AC_C_CONST
-AC_C_ALWAYS_INLINE
 AC_C_RESTRICT
 AC_TYPE_SIZE_T
 AC_C_BIGENDIAN
