Add the TARGETS_TO_BUILD variable.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36313 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/Makefile b/test/Makefile
index 14f9dad..2c30ced 100644
--- a/test/Makefile
+++ b/test/Makefile
@@ -70,6 +70,7 @@
 	@echo '# Do not edit here.  If you wish to override these values' >>site.tmp
 	@echo '# edit the last section' >>site.tmp
 	@echo 'set target_triplet "$(TARGET_TRIPLE)"' >> site.tmp
+	@echo 'set TARGETS_TO_BUILD "$(TARGETS_TO_BUILD)"' >> site.tmp
 	@echo 'set llvmgcc_version "$(LLVMGCC_VERSION)"' >> site.tmp
 	@echo 'set prcontext "$(TCLSH) $(LLVM_SRC_ROOT)/test/Scripts/prcontext.tcl"' >> site.tmp
 	@echo 'set llvmtoolsdir "$(ToolDir)"' >>site.tmp