1 files changed, 4 insertions, 1 deletions
diff --git a/uid_db.c b/uid_db.c
index 55bdfc7b..97b1c2ba 100644
--- a/uid_db.c
+++ b/uid_db.c
@@ -8,11 +8,14 @@
 	6.3.17 release, including the OpenSSL exemption.
 */
 
+/* Have Solaris expose ffs() from strings.h: */
+#define __EXTENSIONS__
+
 /*  includes */
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
-#include <strings.h>  // ffs() lives here
+#include <strings.h>  // ffs() lives here - needs #define on Solaris.
 
 #include "xmalloc.h"
 #include "uid_db.h"