build: Add CLANG_NO_RUNTIME build variable, which disables building clang

runtime library stuff, even if compiler-rt is available.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@102560 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Runtime/Makefile b/lib/Runtime/Makefile
index 9a3c34719cfb755217652adb2cec8c0706f3cae2..580215acb62cbb12e9df7f54b5158a132eaa6db2 100644 (file)
--- a/lib/Runtime/Makefile
+++ b/lib/Runtime/Makefile
@@ -26,6 +26,7 @@ PROJ_resources_lib := $(PROJ_resources)/lib
 # Expect compiler-rt to be in llvm/projects/compiler-rt
 COMPILERRT_SRC_ROOT := $(LLVM_SRC_ROOT)/projects/compiler-rt
 
+ifndef CLANG_NO_RUNTIME
 ifeq ($(shell test -d $(COMPILERRT_SRC_ROOT) && echo OK),OK)
 
 # Select the compiler-rt configuration to use, and install directory.
@@ -97,3 +98,4 @@ install-local:: $(RuntimeDirs:%=RuntimeLibraryInstall.%)
 clean-local:: CleanRuntimeLibraries
 
 endif
+endif