Define AC_GNU_SOURCE to avoid Linux compile warnings

diff --git a/mech_eap/configure.ac b/mech_eap/configure.ac
index e5a351b..0115b0b 100644 (file)
--- a/mech_eap/configure.ac
+++ b/mech_eap/configure.ac
@@ -8,6 +8,7 @@ LT_INIT([dlopen disable-static])
 AC_PROG_CC
 AC_PROG_CXX
 AC_CONFIG_HEADERS([config.h])
+AC_GNU_SOURCE
 
 dnl Check if we're on Solaris and set CFLAGS accordingly
 dnl AC_CANONICAL_TARGET