From: Roy Marples <roy@marples.name>
Date: Wed, 6 Feb 2019 20:05:52 +0000 (+0000)
Subject: Fix __fallthrough directive on non GNUC
X-Git-Tag: v7.1.1~2
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=4de59d0d9c12a1ca0ed2379ba7277330d737f1fe;p=thirdparty%2Fdhcpcd.git

Fix __fallthrough directive on non GNUC
---

diff --git a/src/common.h b/src/common.h
index 7a968d17..f12f02a7 100644
--- a/src/common.h
+++ b/src/common.h
@@ -115,9 +115,6 @@
 #endif
 
 #if __GNUC__ > 2 || defined(__INTEL_COMPILER)
-# ifndef __fallthrough
-#  define __fallthrough __attribute__((fallthrough))
-# endif
 # ifndef __packed
 #  define __packed __attribute__((__packed__))
 # endif
@@ -125,9 +122,6 @@
 #  define __unused __attribute__((__unused__))
 # endif
 #else
-# ifndef __fallthrough
-#  define __fallthrough
-# endif
 # ifndef __packed
 #  define __packed
 # endif
@@ -136,6 +130,14 @@
 # endif
 #endif
 
+#ifndef __fallthrough
+# if __GNUC__ >= 7
+#  define __fallthrough [[fallthrough]]
+# else
+#  define __fallthrough
+# endif
+#endif
+
 /*
  * Compile Time Assertion.
  */