Remove libtool.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@65517 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/unittests/Makefile.unittest b/unittests/Makefile.unittest
index 259e297..5832d6a 100644
--- a/unittests/Makefile.unittest
+++ b/unittests/Makefile.unittest
@@ -21,11 +21,11 @@
 
 CPP.Flags += -I$(LLVM_SRC_ROOT)/utils/unittest/googletest/include/
 CPP.Flags += -Wno-variadic-macros
-LD.Flags += -lGoogleTest -lUnitTestMain
+LIBS += -lGoogleTest -lUnitTestMain
 
 $(LLVMUnitTestExe): $(ObjectsO) $(ProjLibsPaths) $(LLVMLibsPaths)
 	$(Echo) Linking $(BuildMode) unit test $(TESTNAME) $(StripWarnMsg)
-	$(Verb) $(LTLink) -o $@ $(TOOLLINKOPTS) $(ObjectsO) $(ProjLibsOptions) \
+	$(Verb) $(Link) -o $@ $(TOOLLINKOPTS) $(ObjectsO) $(ProjLibsOptions) \
 	$(LLVMLibsOptions) $(ExtraLibs) $(TOOLLINKOPTSB) $(LIBS)
 	$(Echo) ======= Finished Linking $(BuildMode) Unit test $(TESTNAME) \
           $(StripWarnMsg)