--- rpl/configure.ac	2015/02/19 08:54:30	1.114
+++ rpl/configure.ac	2015/03/10 09:50:24	1.116
@@ -1,5 +1,5 @@
 dnl Process this file with autoconf to produce a configure script.
-AC_INIT([rpl],[4.1.20])
+AC_INIT([rpl],[4.1.21])
 AC_CANONICAL_TARGET
 AC_CANONICAL_TARGET
 AM_INIT_AUTOMAKE(silent-rules)
@@ -227,6 +227,13 @@ AC_COMPILE_IFELSE(
 	)
 AC_SUBST(SHARED_MEMORY)
 
+AC_C_INLINE
+
+if test "$ac_cv_c_inline" != no ; then
+	AC_DEFINE(HAVE_INLINE,1,[inline keywork or macro available])
+    AC_SUBST(HAVE_INLINE)
+fi
+
 AC_MSG_CHECKING([for pselect])
 AC_COMPILE_IFELSE(
 	[AC_LANG_PROGRAM([#include <sys/select.h>