From: Joel Rosdahl <joel@rosdahl.net>
Date: Sat, 15 Nov 2014 14:59:39 +0000 (+0100)
Subject: Don't include -Wl,... in hash since it doesn't affect compilation
X-Git-Tag: v3.2~5
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=47f5e8c77d3138beb1087fccb0f76ab76273e4cb;p=thirdparty%2Fccache.git

Don't include -Wl,... in hash since it doesn't affect compilation

As suggested by Mutsumi Ishikawa.
---

diff --git a/ccache.c b/ccache.c
index 0da051391..d315b0bea 100644
--- a/ccache.c
+++ b/ccache.c
@@ -1221,6 +1221,11 @@ calculate_object_hash(struct args *args, struct mdfour *hash, int direct_mode)
 			continue;
 		}
 
+		/* -Wl,... doesn't affect compilation. */
+		if (str_startswith(args->argv[i], "-Wl,")) {
+			continue;
+		}
+
 		/* The -fdebug-prefix-map option may be used in combination with
 		   CCACHE_BASEDIR to reuse results across different directories. Skip it
 		   from hashing. */