From: Joel Rosdahl <joel@rosdahl.net>
Date: Fri, 4 Jun 2010 16:26:55 +0000 (+0200)
Subject: Avoid logging "open error" when trying to copy output from failing compiler
X-Git-Tag: v3.0~56
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=0b97d2c74b8bd92233a265f534fe0ad844ce4485;p=thirdparty%2Fccache.git

Avoid logging "open error" when trying to copy output from failing compiler
---

diff --git a/ccache.c b/ccache.c
index 0acf649f8..b7c4b1aaa 100644
--- a/ccache.c
+++ b/ccache.c
@@ -660,7 +660,8 @@ static void to_cache(ARGS *args)
 		fd = open(tmp_stderr, O_RDONLY | O_BINARY);
 		if (fd != -1) {
 			if (strcmp(output_obj, "/dev/null") == 0
-			    || move_file(tmp_obj, output_obj, 0) == 0
+			    || (access(tmp_obj, R_OK) == 0
+			        && move_file(tmp_obj, output_obj, 0) == 0)
 			    || errno == ENOENT) {
 				/* we can use a quick method of
 				   getting the failed output */