Support passing flag parameters to M4
This will be used to guard sepolicy changes. Also this adds default
modules for se_policy_conf and contexts modules.
Bug: 306563735
Test: build
Change-Id: I9b3460aaca07d325e0f83a1e2bf0e57caa498101
diff --git a/build/soong/selinux.go b/build/soong/selinux.go
index 5fbe01eb..f811231 100644
--- a/build/soong/selinux.go
+++ b/build/soong/selinux.go
@@ -40,3 +40,13 @@
return android.PathForModuleOut(ctx, ctx.Config().DeviceName()).Join(ctx, paths...)
}
+
+// flagsToM4Macros converts given map to a list of M4's -D parameters to guard te files and contexts
+// files.
+func flagsToM4Macros(flags map[string]string) []string {
+ flagMacros := []string{}
+ for _, flag := range android.SortedKeys(flags) {
+ flagMacros = append(flagMacros, "-D target_flag_"+flag+"="+flags[flag])
+ }
+ return flagMacros
+}