Try r96559 for the third time.  This time the shared library is only built if
--enable-shared is passed to configure.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97119 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/unittests/Makefile.unittest b/unittests/Makefile.unittest
index 6fbef54..b1c1d2c 100644
--- a/unittests/Makefile.unittest
+++ b/unittests/Makefile.unittest
@@ -28,6 +28,15 @@
 CPP.Flags += $(NO_VARIADIC_MACROS)
 TESTLIBS = -lGoogleTest -lUnitTestMain
 
+ifeq ($(ENABLE_SHARED), 1)
+  # Add the absolute path to the dynamic library.  This is ok because
+  # we'll never install unittests.
+  LD.Flags += $(RPATH) -Wl,$(LibDir)
+  # Also set {DYLD,LD}_LIBRARY_PATH because OSX ignores the rpath most
+  # of the time.
+  Run.Shared := $(SHLIBPATH_VAR)="$(LibDir)$${$(SHLIBPATH_VAR):+:}$$$(SHLIBPATH_VAR)"
+endif
+
 $(LLVMUnitTestExe): $(ObjectsO) $(ProjLibsPaths) $(LLVMLibsPaths)
 	$(Echo) Linking $(BuildMode) unit test $(TESTNAME) $(StripWarnMsg)
 	$(Verb) $(Link) -o $@ $(TOOLLINKOPTS) $(ObjectsO) $(ProjLibsOptions) \
@@ -38,6 +47,6 @@
 all:: $(LLVMUnitTestExe)
 
 unitcheck:: $(LLVMUnitTestExe)
-	$(LLVMUnitTestExe)
+	$(Run.Shared) $(LLVMUnitTestExe)
 
 endif