Ensure all *.c files include config.h before any other headers

Makes sure that any flags set in config.h that affect system headers
are applied equally across all source files.

Signed-off-by: Alan Coopersmith <alan.coopersmith@oracle.com>

1 files changed, 4 insertions, 0 deletions

diff --git a/Dialog.c b/Dialog.c
index bf00b05..b005538 100644
--- a/Dialog.c
+++ b/Dialog.c
@@ -30,6 +30,10 @@ from The Open Group.
  * Author:  Davor Matic, MIT X Consortium
  */
 
+#ifdef HAVE_CONFIG_H
+# include "config.h"
+#endif
+
 #include <X11/Intrinsic.h>
 #include <X11/StringDefs.h>
 #include <X11/Shell.h>