buildsys: Make sure NULL is defined before we use it in tests

Several tests use NULL without including <stdlib.h>. Fix this. Signed-off-by: Kevin Cernekee <cernekee@gmail.com>
stevemcquaid · Jan 8, 2015 · 0629ea5 · 0629ea5
1 parent e0ab6fd
commit 0629ea5
Showing 1 changed file with 5 additions and 2 deletions.
diff --git a/configure.ac b/configure.ac
@@ -118,7 +118,9 @@ if test $enable_gui = yes; then
 	LIBS="$LIBS $GTK_LIBS"
 	CFLAGS="$CFLAGS $GTK_CFLAGS"
 
-	AC_TRY_LINK([#include <gtk/gtk.h>], [gtk_init(NULL,NULL);],
+	AC_TRY_LINK([#include <gtk/gtk.h>
+		     #include <stdlib.h>],
+		[gtk_init(NULL,NULL);],
 		[AC_MSG_RESULT([yes])],
 		[AC_MSG_FAILURE([unable to link gtk+ test program])])
 	LIBS="$saved_LIBS"
@@ -173,7 +175,8 @@ if test "$with_tomcrypt" != no -a "$with_nettle" != yes; then
 	CFLAGS="$CFLAGS $CRYPTO_CFLAGS"
 
 	AC_MSG_CHECKING([if libtomcrypt is usable])
-	AC_TRY_LINK([#include <tomcrypt.h>],
+	AC_TRY_LINK([#include <tomcrypt.h>
+		     #include <stdlib.h>],
 		[rijndael_ecb_encrypt(NULL,NULL,NULL);
 		 ltc_mp = ltm_desc;
 		 register_hash(&sha1_desc);],