From fe42d6f7b739e8d42811bf46bcccfafa728847a2 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Mathias=20De=20Mar=C3=A9?= <mathias.de_mare@nokia.com>
Date: Mon, 19 Sep 2016 10:38:13 +0200
Subject: [PATCH] Convert argument to '--sysroot' option to relative path

Previously, only the argument to '--sysroot=' was converted.
This changeset adds support for '--sysroot'.

Signed-off-by: Brandon Maier <brandon.maier@rockwellcollins.com>
Signed-off-by: Matt Weber <matthew.weber@rockwellcollins.com>
---
 ccache.c | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/ccache.c b/ccache.c
index 8ffadcc..76139b9 100644
--- a/ccache.c
+++ b/ccache.c
@@ -2407,6 +2407,21 @@ cc_process_args(struct args *args, struct args **preprocessor_args,
 			free(option);
 			continue;
 		}
+		// Alternate form of specifying sysroot without =
+		if (str_eq(argv[i], "--sysroot")) {
+			if (i == argc-1) {
+				cc_log("Missing argument to %s", argv[i]);
+				stats_update(STATS_ARGS);
+				result = false;
+				goto out;
+			}
+			args_add(stripped_args, argv[i]);
+			char *relpath = make_relative_path(x_strdup(argv[i+1]));
+			args_add(stripped_args, relpath);
+			i++;
+			free(relpath);
+			continue;
+		}
 		if (str_startswith(argv[i], "-Wp,")) {
 			if (str_eq(argv[i], "-Wp,-P")
 			    || strstr(argv[i], ",-P,")
-- 
2.8.3