Ensure that ENABLE_SHARED is substituted for use in Windows builds

We (perhaps over-cautiously) disable the new plugin tests on static Windows
builds right now, matching what LLVM core does. This change was needed for the
lit check to work.

Thanks to Warren Hunt for spotting this.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@198782 91177308-0d34-0410-b5e6-96231b3b80d8

test/Makefile

@@ -50,6 +50,7 @@ lit.site.cfg: FORCE
 	@$(ECHOPATH) s=@ENABLE_CLANG_REWRITER@=$(ENABLE_CLANG_REWRITER)=g >> lit.tmp
 	@$(ECHOPATH) s=@ENABLE_CLANG_STATIC_ANALYZER@=$(ENABLE_CLANG_STATIC_ANALYZER)=g >> lit.tmp
 	@$(ECHOPATH) s=@ENABLE_CLANG_EXAMPLES@=$(ENABLE_CLANG_EXAMPLES)=g >> lit.tmp
+	@$(ECHOPATH) s=@ENABLE_SHARED@=$(ENABLE_SHARED)=g >> lit.tmp
 	@sed -f lit.tmp $(PROJ_SRC_DIR)/lit.site.cfg.in > $@
 	@-rm -f lit.tmp
 

test/lit.site.cfg.in

@@ -17,6 +17,7 @@ config.clang_arcmt = @ENABLE_CLANG_ARCMT@
 config.clang_staticanalyzer = @ENABLE_CLANG_STATIC_ANALYZER@
 config.clang_rewriter = @ENABLE_CLANG_REWRITER@
 config.clang_examples = @ENABLE_CLANG_EXAMPLES@
+config.enable_shared = @ENABLE_SHARED@
 config.host_arch = "@HOST_ARCH@"
 
 # Support substitution of the tools and libs dirs with user parameters. This is