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Add ENABLE_COVERAGE, for building a +Coverage (gcov) configuration.
- Required some extra makefile tweaks to introduce a new flag var which only goes to compile/link tools but not the relink step, otherwise we get a copy of libgcov in the relinked .o files. - No configure magic for this. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66945 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -282,6 +282,14 @@ ifndef REQUIRES_RTTI
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# CXX.Flags += -fno-rtti
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endif
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ifdef ENABLE_COVERAGE
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BuildMode := $(BuildMode)+Coverage
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# These only go to .NoRelink because otherwise we will end up
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# linking -lgcov into the .o libraries that get built.
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CXX.Flags.NoRelink += -ftest-coverage -fprofile-arcs
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C.Flags.NoRelink += -ftest-coverage -fprofile-arcs
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endif
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# If DISABLE_ASSERTIONS=1 is specified (make command line or configured),
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# then disable assertions by defining the appropriate preprocessor symbols.
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ifdef DISABLE_ASSERTIONS
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@ -550,20 +558,26 @@ CPP.Flags += $(sort -I$(PROJ_OBJ_DIR) -I$(PROJ_SRC_DIR) \
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$(LLVM_OBJ_ROOT) $(LLVM_SRC_ROOT))) \
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$(CPP.BaseFlags)
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ifeq ($(BUILD_COMPONENT), 1)
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Compile.C = $(BUILD_CC) $(CPP.Flags) $(C.Flags) $(CompileCommonOpts) -c
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Compile.CXX = $(BUILD_CXX) $(CPP.Flags) $(CXX.Flags) $(CompileCommonOpts) -c
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Preprocess.CXX= $(BUILD_CXX) $(CPP.Flags) $(CompileCommonOpts) $(CXX.Flags) -E
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Link = $(BUILD_CXX) $(CPP.Flags) $(CXX.Flags) $(CompileCommonOpts) \
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$(LD.Flags) $(Strip)
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ifeq ($(BUILD_COMPONENT), 1)
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Compile.C = $(BUILD_CC) $(CPP.Flags) $(C.Flags) $(C.Flags.NoRelink) \
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$(CompileCommonOpts) -c
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Compile.CXX = $(BUILD_CXX) $(CPP.Flags) $(CXX.Flags) $(CXX.Flags.NoRelink) \
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$(CompileCommonOpts) -c
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Preprocess.CXX= $(BUILD_CXX) $(CPP.Flags) $(CompileCommonOpts) $(CXX.Flags) \
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$(CXX.Flags.NoRelink) -E
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Link = $(BUILD_CXX) $(CPP.Flags) $(CXX.Flags) $(CXX.Flags.NoRelink) \
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$(CompileCommonOpts) $(LD.Flags) $(Strip)
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Relink = $(BUILD_CXX) $(CPP.Flags) $(CXX.Flags) $(CompileCommonOpts) \
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$(Relink.Flags)
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else
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Compile.C = $(CC) $(CPP.Flags) $(C.Flags) $(CompileCommonOpts) -c
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Compile.CXX = $(CXX) $(CPP.Flags) $(CXX.Flags) $(CompileCommonOpts) -c
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Preprocess.CXX= $(CXX) $(CPP.Flags) $(CompileCommonOpts) $(CXX.Flags) -E
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Link = $(CXX) $(CPP.Flags) $(CXX.Flags) $(CompileCommonOpts) \
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$(LD.Flags) $(Strip)
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Compile.C = $(CC) $(CPP.Flags) $(C.Flags) $(C.Flags.NoRelink) \
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$(CompileCommonOpts) -c
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Compile.CXX = $(CXX) $(CPP.Flags) $(CXX.Flags) $(CXX.Flags.NoRelink) \
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$(CompileCommonOpts) -c
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Preprocess.CXX= $(CXX) $(CPP.Flags) $(CompileCommonOpts) $(CXX.Flags) \
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$(CXX.Flags.NoRelink) -E
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Link = $(CXX) $(CPP.Flags) $(CXX.Flags) $(CXX.Flags.NoRelink) \
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$(CompileCommonOpts) $(LD.Flags) $(Strip)
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Relink = $(CXX) $(CPP.Flags) $(CXX.Flags) $(CompileCommonOpts) \
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$(Relink.Flags)
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endif
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