diff --git a/ui/build/config.go b/ui/build/config.go
index 20cc9fb..9e02cd6 100644
--- a/ui/build/config.go
+++ b/ui/build/config.go
@@ -117,7 +117,8 @@
 
 	bazelForceEnabledModules string
 
-	includeTags []string
+	includeTags    []string
+	sourceRootDirs []string
 
 	// Data source to write ninja weight list
 	ninjaWeightListSource NinjaWeightListSource
@@ -1185,6 +1186,14 @@
 	return c.parallel
 }
 
+func (c *configImpl) GetSourceRootDirs() []string {
+	return c.sourceRootDirs
+}
+
+func (c *configImpl) SetSourceRootDirs(i []string) {
+	c.sourceRootDirs = i
+}
+
 func (c *configImpl) GetIncludeTags() []string {
 	return c.includeTags
 }
diff --git a/ui/build/dumpvars.go b/ui/build/dumpvars.go
index a9c298f..efe7478 100644
--- a/ui/build/dumpvars.go
+++ b/ui/build/dumpvars.go
@@ -148,6 +148,7 @@
 	"PLATFORM_VERSION_CODENAME",
 	"PLATFORM_VERSION",
 	"PRODUCT_INCLUDE_TAGS",
+	"PRODUCT_SOURCE_ROOT_DIRS",
 	"TARGET_PRODUCT",
 	"TARGET_BUILD_VARIANT",
 	"TARGET_BUILD_APPS",
@@ -299,4 +300,5 @@
 	config.SetBuildBrokenUsesNetwork(makeVars["BUILD_BROKEN_USES_NETWORK"] == "true")
 	config.SetBuildBrokenNinjaUsesEnvVars(strings.Fields(makeVars["BUILD_BROKEN_NINJA_USES_ENV_VARS"]))
 	config.SetIncludeTags(strings.Fields(makeVars["PRODUCT_INCLUDE_TAGS"]))
+	config.SetSourceRootDirs(strings.Fields(makeVars["PRODUCT_SOURCE_ROOT_DIRS"]))
 }
diff --git a/ui/build/soong.go b/ui/build/soong.go
index 871e637..c4c984f 100644
--- a/ui/build/soong.go
+++ b/ui/build/soong.go
@@ -410,6 +410,7 @@
 
 	blueprintCtx := blueprint.NewContext()
 	blueprintCtx.AddIncludeTags(config.GetIncludeTags()...)
+	blueprintCtx.AddSourceRootDirs(config.GetSourceRootDirs()...)
 	blueprintCtx.SetIgnoreUnknownModuleTypes(true)
 	blueprintConfig := BlueprintConfig{
 		soongOutDir: config.SoongOutDir(),