[patch] add output of '<compiler> -v' to the hash

ccache-hash-gcc-v.patch (text/plain), 935 bytes, created by Kevin F. Quinn (RETIRED) on 2006-02-02 14:07:45 UTC

--- ccache.c.orig	2006-02-02 23:06:03.000000000 +0100
+++ ccache.c	2006-02-02 23:05:23.000000000 +0100
@@ -261,6 +261,7 @@
 	int nlevels = 2;
 	char *input_base;
 	char *tmp;
+	char *version[3];
 	
 	if ((s = getenv("CCACHE_NLEVELS"))) {
 		nlevels = atoi(s);
@@ -334,6 +335,21 @@
 	hash_int(st.st_size);
 	hash_int(st.st_mtime);
 
+	/* Include output of 'gcc -v' into hash, to differentiate
+	   Gentoo SPECS switching trickery */
+	x_asprintf(&path_stdout, "%s/tmp.v.out.%s", temp_dir, tmp_string());
+	x_asprintf(&path_stderr, "%s/tmp.v.err.%s", temp_dir, tmp_string());
+	version[0]=args->argv[0];
+	version[1]="-v";
+	version[2]=NULL;
+	status = execute(version,path_stdout,path_stderr);
+	if (status == 0) {
+		hash_file(path_stdout);
+		hash_file(path_stderr);
+	}
+	unlink(path_stdout);
+	unlink(path_stderr);
+
 	/* possibly hash the current working directory */
 	if (getenv("CCACHE_HASHDIR")) {
 		char *cwd = gnu_getcwd();