Merge "Save deps when asflags contains -xassembler-with-cpp"

am: 7eedfe00e7

Change-Id: Iecedb5679553bdf39c393c76e218da277b6bb8a1

cc/builder.go

@@ -271,6 +271,8 @@ type builderFlags struct {
 	sAbiDump        bool
 	emitXrefs       bool
 
+	assemblerWithCpp bool
+
 	systemIncludeFlags string
 
 	groupStaticLibs bool
@@ -428,7 +430,9 @@ func TransformSourceToObj(ctx android.ModuleContext, subdir string, srcFiles and
 
 		switch srcFile.Ext() {
 		case ".s":
-			rule = ccNoDeps
+			if !flags.assemblerWithCpp {
+				rule = ccNoDeps
+			}
 			fallthrough
 		case ".S":
 			ccCmd = "clang"

cc/cc.go

@@ -174,7 +174,8 @@ type Flags struct {
 	CFlagsDeps  android.Paths // Files depended on by compiler flags
 	LdFlagsDeps android.Paths // Files depended on by linker flags
 
-	GroupStaticLibs bool
+	AssemblerWithCpp bool
+	GroupStaticLibs  bool
 
 	proto            android.ProtoFlags
 	protoC           bool // Whether to use C instead of C++
@@ -1053,6 +1054,9 @@ func (c *Module) GenerateAndroidBuildActions(actx android.ModuleContext) {
 	if c.sabi != nil {
 		flags = c.sabi.flags(ctx, flags)
 	}
+
+	flags.AssemblerWithCpp = inList("-xassembler-with-cpp", flags.AsFlags)
+
 	// Optimization to reduce size of build.ninja
 	// Replace the long list of flags for each file with a module-local variable
 	ctx.Variable(pctx, "cflags", strings.Join(flags.CFlags, " "))

cc/util.go

@@ -79,7 +79,8 @@ func flagsToBuilderFlags(in Flags) builderFlags {
 
 		systemIncludeFlags: strings.Join(in.SystemIncludeFlags, " "),
 
-		groupStaticLibs: in.GroupStaticLibs,
+		assemblerWithCpp: in.AssemblerWithCpp,
+		groupStaticLibs:  in.GroupStaticLibs,
 
 		proto:            in.proto,
 		protoC:           in.protoC,