Makefile.rules: Degrade gracefully on Windows machines without sed.

llvm-svn: 347104

diff --git a/lldb/packages/Python/lldbsuite/test/make/Makefile.rules b/lldb/packages/Python/lldbsuite/test/make/Makefile.rules
index dfe573c..041f21c 100644 (file)
--- a/lldb/packages/Python/lldbsuite/test/make/Makefile.rules
+++ b/lldb/packages/Python/lldbsuite/test/make/Makefile.rules
@@ -253,14 +253,11 @@ ifeq "$(MAKE_DWO)" "YES"
 endif
 
 # Use a shared module cache when building in the default test build directory.
-ifeq "$(findstring lldb-test-build.noindex, $(BUILDDIR))" ""
-CLANG_MODULE_CACHE_DIR := $(BUILDDIR)/module-cache
-else
 CLANG_MODULE_CACHE_DIR := $(shell echo "$(BUILDDIR)" | sed 's/lldb-test-build.noindex.*/lldb-test-build.noindex\/module-cache-clang/')
-endif
 
-ifeq "$(CLANG_MODULE_CACHE_DIR)" ""
-$(error failed to set the shared clang module cache dir)
+ifeq "$(findstring lldb-test-build.noindex, $(BUILDDIR))" ""
+CLANG_MODULE_CACHE_DIR := $(BUILDDIR)/module-cache
+$(warning failed to set the shared clang module cache dir)
 endif
 
 MANDATORY_MODULE_BUILD_CFLAGS := -fmodules -gmodules -fmodules-cache-path=$(CLANG_MODULE_CACHE_DIR)