1 files changed, 89 insertions, 0 deletions
diff --git a/cc/misc_disted_files.go b/cc/misc_disted_files.go
new file mode 100644
index 000000000..4bdffaa03
--- /dev/null
+++ b/cc/misc_disted_files.go
@@ -0,0 +1,89 @@
+// Copyright 2025 Google Inc. All rights reserved.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package cc
+
+import (
+	"android/soong/android"
+	"strings"
+)
+
+func init() {
+	android.InitRegistrationContext.RegisterSingletonType("cc_misc_disted_files", ccMiscDistedFilesSingletonFactory)
+}
+
+func ccMiscDistedFilesSingletonFactory() android.Singleton {
+	return &ccMiscDistedFilesSingleton{}
+}
+
+type ccMiscDistedFilesSingleton struct {
+	warningsAllowed []string
+	usingWnoErrors  []string
+}
+
+func (s *ccMiscDistedFilesSingleton) GenerateBuildActions(ctx android.SingletonContext) {
+	var warningsAllowed []string
+	var usingWnoErrors []string
+	var missingProfiles []string
+	ctx.VisitAllModules(func(module android.Module) {
+		if v, ok := android.OtherModuleProvider(ctx, module, CcMakeVarsInfoProvider); ok {
+			warningsAllowed = android.AppendIfNotZero(warningsAllowed, v.WarningsAllowed)
+			usingWnoErrors = android.AppendIfNotZero(usingWnoErrors, v.UsingWnoError)
+			missingProfiles = android.AppendIfNotZero(missingProfiles, v.MissingProfile)
+		}
+	})
+
+	warningsAllowed = android.SortedUniqueStrings(warningsAllowed)
+	usingWnoErrors = android.SortedUniqueStrings(usingWnoErrors)
+	missingProfiles = android.SortedUniqueStrings(missingProfiles)
+
+	s.warningsAllowed = warningsAllowed
+	s.usingWnoErrors = usingWnoErrors
+
+	var sb strings.Builder
+	sb.WriteString("# Modules using -Wno-error\n")
+	for _, nwe := range usingWnoErrors {
+		sb.WriteString(nwe)
+		sb.WriteString("\n")
+	}
+	sb.WriteString("# Modules that allow warnings\n")
+	for _, wa := range warningsAllowed {
+		sb.WriteString(wa)
+		sb.WriteString("\n")
+	}
+	wallWerrFile := android.PathForOutput(ctx, "wall_werror.txt")
+	android.WriteFileRuleVerbatim(ctx, wallWerrFile, sb.String())
+
+	// Only dist this file in soong-only builds. In soong+make builds, it contains information
+	// from make modules, so we'll still rely on make to build and dist it.
+	if !ctx.Config().KatiEnabled() {
+		ctx.DistForGoal("droidcore-unbundled", wallWerrFile)
+	}
+
+	var sb2 strings.Builder
+	sb2.WriteString("# Modules missing PGO profile files\n")
+	for _, mp := range missingProfiles {
+		sb2.WriteString(mp)
+		sb2.WriteString("\n")
+	}
+	profileMissingFile := android.PathForOutput(ctx, "pgo_profile_file_missing.txt")
+	android.WriteFileRuleVerbatim(ctx, profileMissingFile, sb2.String())
+
+	ctx.DistForGoal("droidcore-unbundled", profileMissingFile)
+}
+
+func (s *ccMiscDistedFilesSingleton) MakeVars(ctx android.MakeVarsContext) {
+	ctx.Strict("SOONG_MODULES_WARNINGS_ALLOWED", strings.Join(s.warningsAllowed, " "))
+	ctx.Strict("SOONG_MODULES_USING_WNO_ERROR", strings.Join(s.usingWnoErrors, " "))
+}