From 4520fd7cb0bb01eea00b6fd57f40c174a0c4e6be Mon Sep 17 00:00:00 2001
From: Joel Rosdahl <joel@rosdahl.net>
Date: Wed, 1 Feb 2012 22:12:29 +0100
Subject: [PATCH] Add -c if missing when compiling a header file

This is to please g++ 4.1.
---
 ccache.c | 22 +++++++++++++---------
 test.sh  |  2 +-
 2 files changed, 14 insertions(+), 10 deletions(-)

diff --git a/ccache.c b/ccache.c
index d89c076d1..25f206fd5 100644
--- a/ccache.c
+++ b/ccache.c
@@ -1639,17 +1639,21 @@ cc_process_args(struct args *orig_args, struct args **preprocessor_args,
 	output_is_precompiled_header =
 		actual_language && strstr(actual_language, "-header") != NULL;
 
-	if (!found_c_opt && !output_is_precompiled_header) {
-		cc_log("No -c option found");
-		/* I find that having a separate statistic for autoconf tests is useful,
-		   as they are the dominant form of "called for link" in many cases */
-		if (strstr(input_file, "conftest.")) {
-			stats_update(STATS_CONFTEST);
+	if (!found_c_opt) {
+		if (output_is_precompiled_header) {
+			args_add(stripped_args, "-c");
 		} else {
-			stats_update(STATS_LINK);
+			cc_log("No -c option found");
+			/* I find that having a separate statistic for autoconf tests is useful,
+			   as they are the dominant form of "called for link" in many cases */
+			if (strstr(input_file, "conftest.")) {
+				stats_update(STATS_CONFTEST);
+			} else {
+				stats_update(STATS_LINK);
+			}
+			result = false;
+			goto out;
 		}
-		result = false;
-		goto out;
 	}
 
 	if (!actual_language) {
diff --git a/test.sh b/test.sh
index 5f33a6711..eb32b9d00 100755
--- a/test.sh
+++ b/test.sh
@@ -1686,7 +1686,7 @@ EOF
     fi
 
     testname="create .gch, no -c, -o"
-    $CCACHE -z >/dev/null
+    $CCACHE -Cz >/dev/null
     $CCACHE $COMPILER pch.h -o pch.gch
     checkstat 'cache hit (direct)' 0
     checkstat 'cache hit (preprocessed)' 0
-- 
2.47.2