build all C++ files in compiler-rt with -fno-exceptions

git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@145967 91177308-0d34-0410-b5e6-96231b3b80d8

Author: kcc

Makefile

@@ -230,7 +230,7 @@ $(Tmp.ObjPath)/%.o: $(Tmp.SrcPath)/%.c $(Tmp.Dependencies) $(Tmp.ObjPath)/.dir
 	$(Verb) $(Tmp.CC) $(Tmp.CFLAGS) -c -o $$@ $$<
 $(Tmp.ObjPath)/%.o: $(Tmp.SrcPath)/%.cc $(Tmp.Dependencies) $(Tmp.ObjPath)/.dir
 	$(Summary) "  COMPILE:   $(Tmp.Name)/$(Tmp.Config)/$(Tmp.Arch): $$<"
-	$(Verb) $(Tmp.CC) $(Tmp.CFLAGS) -c -o $$@ $$<
+	$(Verb) $(Tmp.CC) $(Tmp.CFLAGS) -c $(COMMON_CXXFLAGS) -o $$@ $$<
 .PRECIOUS: $(Tmp.ObjPath)/.dir
 
 endef

make/config.mk

@@ -39,3 +39,7 @@ Echo := @echo
 ifndef Summary
   Summary = $(Echo)
 endif
+
+###
+# Common compiler options
+COMMON_CXXFLAGS=-fno-exceptions