From b2d6d53d7cbb303573ccce79ddfe74acad08c03f Mon Sep 17 00:00:00 2001
From: Clemens Rabe <clemens.rabe@gmail.com>
Date: Fri, 7 Nov 2014 21:10:51 +0100
Subject: [PATCH] Add support for cuda including the -optf option

---
 ccache.c   | 41 +++++++++++++++++++++++++++++++++++++++++
 language.c |  3 +++
 2 files changed, 44 insertions(+)

diff --git a/ccache.c b/ccache.c
index 7bd7788e8..2bb2179e2 100644
--- a/ccache.c
+++ b/ccache.c
@@ -1884,6 +1884,47 @@ cc_process_args(struct args *args, struct args **preprocessor_args,
 			continue;
 		}
 
+		/* Handle cuda "-optf" and "--options-file" argument. */
+		if (str_eq(argv[i], "-optf") || str_eq(argv[i], "--options-file")) {
+			if (++i >= argc) {
+				cc_log("Expected argument after the '-optf' resp. '--options-file' option!");
+				stats_update(STATS_UNSUPPORTED);
+				result = false;
+				goto out;
+			}
+
+			/* Argument is a comma separated list of files. */
+			char *strStart = argv[i];
+			char *strEnd   = strchr(strStart,',');
+			int   index    = i+1;
+
+			if (!strEnd) {
+				strEnd = strStart + strlen(strStart);
+			}
+
+			while (strEnd) {
+				*strEnd = (char) 0;
+				struct args *file_args;
+				file_args = args_init_from_gcc_atfile(strStart);
+				if (!file_args) {
+					cc_log("Couldn't read cuda options file %s", strStart);
+					stats_update(STATS_ARGS);
+					result = false;
+					goto out;
+				}
+
+				int newIndex = file_args->argc + index;
+				args_insert(expanded_args, index, file_args, false);
+				index	 = newIndex;
+				strStart = strEnd;
+				strEnd	 = strchr(strStart,',');
+			}
+
+			argc = expanded_args->argc;
+			argv = expanded_args->argv;
+			continue;
+		}
+
 		/* These are always too hard. */
 		if (compopt_too_hard(argv[i])
 		    || str_startswith(argv[i], "-fdump-")) {
diff --git a/language.c b/language.c
index 78c4a7d02..bea4bf9d2 100644
--- a/language.c
+++ b/language.c
@@ -61,6 +61,8 @@ static const struct {
 	{".HXX", "c++-header"},
 	{".tcc", "c++-header"},
 	{".TCC", "c++-header"},
+	{".cu",  "cuda"},
+	{".ic",  "cuda-output"},
 	{NULL,  NULL}
 };
 
@@ -85,6 +87,7 @@ static const struct {
 	{"objc++-cpp-output",        "objective-c++-cpp-output"},
 	{"objective-c++-header",     "objective-c++-cpp-output"},
 	{"objective-c++-cpp-output", "objective-c++-cpp-output"},
+	{"cuda",                     "cuda-output"},
 	{NULL,  NULL}
 };
 
-- 
2.47.2