Merge "Add fileslist.go to calculate hashes in parallel"
diff --git a/cc/builder.go b/cc/builder.go
index f3a4bcb..cdfea92 100644
--- a/cc/builder.go
+++ b/cc/builder.go
@@ -109,7 +109,7 @@
 		},
 		"objcopyCmd", "prefix")
 
-	stripPath = pctx.SourcePathVariable("stripPath", "build/soong/scripts/strip.sh")
+	_ = pctx.SourcePathVariable("stripPath", "build/soong/scripts/strip.sh")
 
 	strip = pctx.AndroidStaticRule("strip",
 		blueprint.RuleParams{
@@ -127,7 +127,7 @@
 			Description: "empty file $out",
 		})
 
-	copyGccLibPath = pctx.SourcePathVariable("copyGccLibPath", "build/soong/scripts/copygcclib.sh")
+	_ = pctx.SourcePathVariable("copyGccLibPath", "build/soong/scripts/copygcclib.sh")
 
 	copyGccLib = pctx.AndroidStaticRule("copyGccLib",
 		blueprint.RuleParams{
@@ -139,7 +139,7 @@
 		},
 		"ccCmd", "cFlags", "libName")
 
-	tocPath = pctx.SourcePathVariable("tocPath", "build/soong/scripts/toc.sh")
+	_ = pctx.SourcePathVariable("tocPath", "build/soong/scripts/toc.sh")
 
 	toc = pctx.AndroidStaticRule("toc",
 		blueprint.RuleParams{
@@ -159,7 +159,7 @@
 		},
 		"cFlags", "tidyFlags")
 
-	yasmCmd = pctx.SourcePathVariable("yasmCmd", "prebuilts/misc/${config.HostPrebuiltTag}/yasm/yasm")
+	_ = pctx.SourcePathVariable("yasmCmd", "prebuilts/misc/${config.HostPrebuiltTag}/yasm/yasm")
 
 	yasm = pctx.AndroidStaticRule("yasm",
 		blueprint.RuleParams{
diff --git a/cc/cc.go b/cc/cc.go
index 4c69723..b27e8ee 100644
--- a/cc/cc.go
+++ b/cc/cc.go
@@ -675,7 +675,7 @@
 						variantLibs = append(variantLibs, entry+ndkLibrarySuffix)
 					}
 				} else {
-					nonvariantLibs = append(variantLibs, entry)
+					nonvariantLibs = append(nonvariantLibs, entry)
 				}
 			}
 			return nonvariantLibs, variantLibs
diff --git a/cc/cmakelists.go b/cc/cmakelists.go
index 1c47ec9..83b6d69 100644
--- a/cc/cmakelists.go
+++ b/cc/cmakelists.go
@@ -163,9 +163,15 @@
 	translateToCMake(cppParameters, f, false, true)
 
 	// Add project executable.
-	f.WriteString(fmt.Sprintf("\nadd_executable(%s ${SOURCE_FILES})\n", ccModule.ModuleBase.Name()))
+	f.WriteString(fmt.Sprintf("\nadd_executable(%s ${SOURCE_FILES})\n",
+		cleanExecutableName(ccModule.ModuleBase.Name())))
 }
 
+func cleanExecutableName(s string) string {
+	return strings.Replace(s, "@", "-", -1)
+}
+
+
 func translateToCMake(c compilerParameters, f *os.File, cflags bool, cppflags bool) {
 	writeAllSystemDirectories(c.systemHeaderSearchPath, f)
 	writeAllIncludeDirectories(c.headerSearchPath, f)
@@ -189,16 +195,26 @@
 	return fmt.Sprintf("${ANDROID_ROOT}/%s", p)
 }
 
-func writeAllIncludeDirectories(includes map[string]bool, f *os.File) {
-	for include := range includes {
-		f.WriteString(fmt.Sprintf("include_directories(\"%s\")\n", buildCMakePath(include)))
+func writeAllIncludeDirectories(includes []string, f *os.File) {
+	if len(includes) == 0 {
+		return
 	}
+	f.WriteString("include_directories(\n")
+	for _, include := range includes {
+		f.WriteString(fmt.Sprintf("                    \"%s\"\n", buildCMakePath(include)))
+	}
+	f.WriteString(")\n")
 }
 
-func writeAllSystemDirectories(includes map[string]bool, f *os.File) {
-	for include := range includes {
-		f.WriteString(fmt.Sprintf("include_directories(SYSTEM \"%s\")\n", buildCMakePath(include)))
+func writeAllSystemDirectories(includes []string, f *os.File) {
+	if len(includes) == 0 {
+		return
 	}
+	f.WriteString("include_directories(SYSTEM \n")
+	for _, include := range includes {
+		f.WriteString(fmt.Sprintf("                           \"%s\"\n", buildCMakePath(include)))
+	}
+	f.WriteString(")\n")
 }
 
 func writeAllFlags(flags []string, f *os.File, tag string) {
@@ -218,17 +234,14 @@
 )
 
 type compilerParameters struct {
-	headerSearchPath       map[string]bool
-	systemHeaderSearchPath map[string]bool
+	headerSearchPath       []string
+	systemHeaderSearchPath []string
 	flags                  []string
 	sysroot                string
 }
 
 func makeCompilerParameters() compilerParameters {
 	return compilerParameters{
-		headerSearchPath:       make(map[string]bool),
-		systemHeaderSearchPath: make(map[string]bool),
-		flags:   make([]string, 0),
 		sysroot: "",
 	}
 }
@@ -267,7 +280,8 @@
 
 		switch categorizeParameter(param) {
 		case headerSearchPath:
-			compilerParameters.headerSearchPath[strings.TrimPrefix(param, "-I")] = true
+			compilerParameters.headerSearchPath =
+				append(compilerParameters.headerSearchPath, strings.TrimPrefix(param, "-I"))
 		case variable:
 			if evaluated, error := evalVariable(ctx, param); error == nil {
 				if outputDebugInfo {
@@ -284,7 +298,8 @@
 			}
 		case systemHeaderSearchPath:
 			if i < len(params)-1 {
-				compilerParameters.systemHeaderSearchPath[params[i+1]] = true
+				compilerParameters.systemHeaderSearchPath =
+					append(compilerParameters.systemHeaderSearchPath, params[i+1])
 			} else if outputDebugInfo {
 				f.WriteString("# Found a header search path marker with no path")
 			}
@@ -343,8 +358,8 @@
 }
 
 func concatenateParams(c1 *compilerParameters, c2 compilerParameters) {
-	concatenateMaps(c1.headerSearchPath, c2.headerSearchPath)
-	concatenateMaps(c1.systemHeaderSearchPath, c2.systemHeaderSearchPath)
+	c1.headerSearchPath = append(c1.headerSearchPath, c2.headerSearchPath...)
+	c1.systemHeaderSearchPath = append(c1.systemHeaderSearchPath, c2.systemHeaderSearchPath...)
 	if c2.sysroot != "" {
 		c1.sysroot = c2.sysroot
 	}
@@ -359,13 +374,6 @@
 	return "", err
 }
 
-// Concatenate two maps into one. Results are stored in first operand.
-func concatenateMaps(map1 map[string]bool, map2 map[string]bool) {
-	for key, value := range map2 {
-		map1[key] = value
-	}
-}
-
 func getCMakeListsForModule(module *Module, ctx blueprint.SingletonContext) string {
 	return filepath.Join(getAndroidSrcRootDirectory(ctx),
 		cLionOutputProjectsDirectory,
diff --git a/cc/config/clang.go b/cc/config/clang.go
index 10f4cea..30ab1c6 100644
--- a/cc/config/clang.go
+++ b/cc/config/clang.go
@@ -91,6 +91,10 @@
 
 		// http://b/29823425 Disable -Wexpansion-to-defined for Clang update to r271374
 		"-Wno-expansion-to-defined",
+
+		// http://b/36463318 Clang executes with an absolute path, so clang-provided
+		// headers are now absolute.
+		"-fdebug-prefix-map=$$PWD/=",
 	}, " "))
 
 	pctx.StaticVariable("ClangExtraCppflags", strings.Join([]string{