diff -urN a52dec-0.7.4-orig/configure.in a52dec-0.7.4/configure.in
--- a52dec-0.7.4-orig/configure.in	2015-07-12 13:15:51.803347900 +0100
+++ a52dec-0.7.4/configure.in	2015-07-12 13:16:11.160455100 +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
