Support correct build:
1. Capture the ENABLE_THREADS configure variable in Makefile.config
2. Use ENABLE_THREADS to avoid building ParallelJIT if threads are not
   present.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28609 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/examples/Makefile b/examples/Makefile
index d71651d..a6530ee 100644
--- a/examples/Makefile
+++ b/examples/Makefile
@@ -10,7 +10,10 @@
 
 include $(LEVEL)/Makefile.config
 
-#PARALLEL_DIRS:= $(patsubst %/Makefile,%,$(wildcard $(SourceDir)/*/Makefile))
-PARALLEL_DIRS:= ParallelJIT Fibonacci HowToUseJIT ModuleMaker BFtoLLVM
+PARALLEL_DIRS:= Fibonacci HowToUseJIT ModuleMaker BFtoLLVM
+
+ifeq ($(ENABLE_THREADS),1)
+PARALLEL_DIRS += ParallelJIT 
+endif
 
 include $(LEVEL)/Makefile.common