2 files changed, 3 insertions, 0 deletions
diff --git a/configure.ac b/configure.ac
index 2f3468f..c11850b 100644
--- a/configure.ac
+++ b/configure.ac
@@ -31,6 +31,8 @@ AC_PROG_CC
 AC_PROG_YACC
 AC_PROG_INSTALL
 
+AC_CHECK_FUNCS([strdup strcasecmp])
+
 # Checks for pkg-config packages
 PKG_CHECK_MODULES(XKBCOMP, x11 xkbfile)
 AC_SUBST(XKBCOMP_CFLAGS)
diff --git a/utils.h b/utils.h
index 71e0d11..0f38052 100644
--- a/utils.h
+++ b/utils.h
@@ -35,6 +35,7 @@
 #include	<X11/Xfuncs.h>
 
 #include <stddef.h>
+#include "config.h"
 
 #ifndef NUL
 #define	NUL	'\0'