Merge "Error on USE_CLANG_PLATFORM_BUILD=" am: 7b31dd1094
am: 893f32053f

* commit '893f32053f78def4582ceb54b19ddb1253b73495':
  Error on USE_CLANG_PLATFORM_BUILD=

Change-Id: Ibc43aee7aecb6526436be08e78622a2e4690e71c
diff --git a/core/envsetup.mk b/core/envsetup.mk
index 850e475..7f26a07 100644
--- a/core/envsetup.mk
+++ b/core/envsetup.mk
@@ -479,3 +479,9 @@
 ifeq ($(USE_CLANG_PLATFORM_BUILD),)
 USE_CLANG_PLATFORM_BUILD := true
 endif
+
+ifneq ($(USE_CLANG_PLATFORM_BUILD),true)
+ifneq ($(USE_CLANG_PLATFORM_BUILD),false)
+$(error USE_CLANG_PLATFORM_BUILD must be true or false)
+endif
+endif