Makefile.standalone - SwiftShader - Git at Google


            
            # The following variables will likely need to be modified, depending on where

            
            # and how you built LLVM & Clang. They can be overridden in a command-line

            
            # invocation of make, like:

            
            #

            
            #   make LLVM_SRC_PATH=<path> LLVM_BIN_PATH=<path> \

            
            #        LIBCXX_INSTALL_PATH=<path> CLANG_PATH=<path> ...

            
            #


            # LLVM_SRC_PATH is the path to the root of the checked out source code. This

            
            # directory should contain the configure script, the include/ and lib/

            
            # directories of LLVM, Clang in tools/clang/, etc.

            
            # Alternatively, if you're building vs. a binary download of LLVM, then

            
            # LLVM_SRC_PATH can point to the main untarred directory.

            
            LLVM_SRC_PATH ?= ../llvm


            # LLVM_BIN_PATH is the directory where binaries are placed by the LLVM build

            
            # process. It should contain the tools like opt, llc and clang. The default

            
            # reflects a debug build with autotools (configure & make).

            
            LLVM_BIN_PATH ?= $(shell readlink -e \

            
            	../../out/llvm_x86_64_linux_work/Release+Asserts/bin)


            # LIBCXX_INSTALL_PATH is the directory where libc++ is located. It should

            
            # contain header files and corresponding libraries

            
            LIBCXX_INSTALL_PATH ?= $(shell readlink -e \

            
            	../../../toolchain/linux_x86/pnacl_newlib)


            # CLANG_PATH is the location of the clang compiler to use.

            
            CLANG_PATH ?= $(shell readlink -e \

            
            	../../../../third_party/llvm-build/Release+Asserts/bin)


            HOST_ARCH ?= x86_64

            
            ifeq ($(HOST_ARCH),x86_64)

            
              HOST_FLAGS = -m64 -stdlib=libc++

            
            else

            
              ifeq ($(HOST_ARCH),x86)

            
                HOST_FLAGS = -m32 -stdlib=libc++

            
              endif

            
            endif


            ifdef DEBUG

            
              OBJDIR = build/Debug

            
              OPTLEVEL = -O0

            
            else

            
              OBJDIR = build/Release

            
              OPTLEVEL = -O2 -ffunction-sections -fdata-sections

            
            endif


            # The list of CXX defines that are dependent on build parameters.

            
            CXX_DEFINES =


            ifdef MINIMAL

            
              NOASSERT = 1

            
              OBJDIR := $(OBJDIR)+Min

            
              CXX_DEFINES += -DALLOW_DUMP=0 -DALLOW_LLVM_CL=0 -DALLOW_LLVM_IR=0 \

            
            	-DALLOW_LLVM_IR_AS_INPUT=0 -DALLOW_DISABLE_IR_GEN=0

            
            else

            
              CXX_DEFINES += -DALLOW_DUMP=1 -DALLOW_LLVM_CL=1 -DALLOW_LLVM_IR=1 \

            
            	-DALLOW_LLVM_IR_AS_INPUT=1 -DALLOW_DISABLE_IR_GEN=1

            
            endif


            ifdef NOASSERT

            
              ASSERTIONS = -DNDEBUG

            
            else

            
              ASSERTIONS =

            
              OBJDIR := $(OBJDIR)+Asserts

            
            endif


            $(info -----------------------------------------------)

            
            $(info Using LLVM_SRC_PATH = $(LLVM_SRC_PATH))

            
            $(info Using LLVM_BIN_PATH = $(LLVM_BIN_PATH))

            
            $(info Using LIBCXX_INSTALL_PATH = $(LIBCXX_INSTALL_PATH))

            
            $(info Using CLANG_PATH = $(CLANG_PATH))

            
            $(info Using HOST_ARCH     = $(HOST_ARCH))

            
            $(info -----------------------------------------------)


            LLVM_CXXFLAGS := `$(LLVM_BIN_PATH)/llvm-config --cxxflags`

            
            LLVM_LDFLAGS := `$(LLVM_BIN_PATH)/llvm-config --libs` \

            
                            `$(LLVM_BIN_PATH)/llvm-config --ldflags` \

            
                            `$(LLVM_BIN_PATH)/llvm-config --system-libs`


            # It's recommended that CXX matches the compiler you used to build LLVM itself.

            
            CCACHE := `command -v ccache`

            
            CXX := CCACHE_CPP2=yes $(CCACHE) $(CLANG_PATH)/clang++


            CXXFLAGS := $(LLVM_CXXFLAGS) -std=c++11 -Wall -Wextra -Werror -fno-rtti \

            
            	-fno-exceptions $(OPTLEVEL) $(ASSERTIONS) $(CXX_DEFINES) -g \

            
            	$(HOST_FLAGS) -Wno-error=unused-parameter \

            
            	-I$(LIBCXX_INSTALL_PATH)/include/c++/v1

            
            LDFLAGS := $(HOST_FLAGS) -L$(LIBCXX_INSTALL_PATH)/lib -Wl,--gc-sections


            SRCS = \

            
            	assembler.cpp \

            
            	assembler_ia32.cpp \

            
            	IceCfg.cpp \

            
            	IceCfgNode.cpp \

            
            	IceELFObjectWriter.cpp \

            
            	IceELFSection.cpp \

            
            	IceGlobalContext.cpp \

            
            	IceGlobalInits.cpp \

            
            	IceInst.cpp \

            
            	IceInstX8632.cpp \

            
            	IceIntrinsics.cpp \

            
            	IceLiveness.cpp \

            
            	IceOperand.cpp \

            
            	IceRegAlloc.cpp \

            
            	IceRNG.cpp \

            
            	IceTargetLowering.cpp \

            
            	IceTargetLoweringX8632.cpp \

            
            	IceTimerTree.cpp \

            
            	IceTranslator.cpp \

            
            	IceTypes.cpp \

            
            	llvm2ice.cpp \

            
            	PNaClTranslator.cpp


            ifndef MINIMAL

            
              SRCS += IceConverter.cpp \

            
            	IceTypeConverter.cpp

            
            endif


            OBJS=$(patsubst %.cpp, $(OBJDIR)/%.o, $(SRCS))


            UNITTEST_SRCS = \

            
            	BitcodeMunge.cpp \

            
            	IceELFSectionTest.cpp \

            
            	IceParseInstsTest.cpp


            UNITTEST_OBJS = $(patsubst %.cpp, $(OBJDIR)/unittest/%.o, $(UNITTEST_SRCS))

            
            UNITTEST_LIB_OBJS = $(filter-out $(OBJDIR)/llvm2ice.o,$(OBJS))


            # Keep all the first target so it's the default.

            
            all: $(OBJDIR)/llvm2ice make_symlink


            # Creates symbolic link so that testing is easier. Also runs

            
            # llvm2ice to verify that the defines flags have valid values,

            
            # as well as describe the corresponding build attributes.

            
            make_symlink: $(OBJDIR)/llvm2ice

            
            	rm -rf llvm2ice

            
            	ln -s $(OBJDIR)/llvm2ice

            
            	@echo "Build Attributes:"

            
            	@$(OBJDIR)/llvm2ice --build-atts


            .PHONY: all make_symlink


            # TODO(kschimpf): Fix python scripts to directly get build attributes

            
            # rather than generating $(OBJDIR)/llvm2ice.build_atts.

            
            $(OBJDIR)/llvm2ice: $(OBJS)

            
            	$(CXX) $(LDFLAGS) -o $@ $^ $(LLVM_LDFLAGS) \

            
                           -Wl,-rpath=$(abspath $(LIBCXX_INSTALL_PATH)/lib)


            # TODO: Be more precise than "*.h" here and elsewhere.

            
            $(OBJS): $(OBJDIR)/%.o: src/%.cpp src/*.h src/*.def

            
            	$(CXX) -c $(CXXFLAGS) $< -o $@


            $(OBJDIR)/run_unittests: $(UNITTEST_OBJS) $(UNITTEST_LIB_OBJS)

            
            	$(CXX) $(LDFLAGS) -o $@ $^ $(LLVM_LDFLAGS) -lgtest -lgtest_main -ldl \

            
                           -Wl,-rpath=$(abspath $(LIBCXX_INSTALL_PATH)/lib)


            $(UNITTEST_OBJS): $(OBJDIR)/unittest/%.o: unittest/%.cpp

            
            	$(CXX) -c $(CXXFLAGS) \

            
            		-Isrc/ \

            
            		-I$(LLVM_SRC_PATH)/utils/unittest/googletest/include \

            
            		-DGTEST_HAS_RTTI=0 -DGTEST_USE_OWN_TR1_TUPLE \

            
            		$< -o $@


            $(OBJS): | $(OBJDIR)


            $(UNITTEST_OBJS): | $(OBJDIR)/unittest


            $(OBJDIR):

            
            	@mkdir -p $@


            $(OBJDIR)/unittest: $(OBJDIR)

            
            	@mkdir -p $@


            check-lit: llvm2ice make_symlink

            
            	LLVM_BIN_PATH=$(LLVM_BIN_PATH) \

            
            	$(LLVM_SRC_PATH)/utils/lit/lit.py -sv tests_lit


            check-unit: $(OBJDIR)/run_unittests

            
            	$(OBJDIR)/run_unittests


            ifdef MINIMAL

            
            check: check-lit check-unit

            
            	@echo "Crosstests ignored, minimal build"

            
            else

            
            check: check-lit check-unit

            
            	(cd crosstest; ./runtests.sh)

            
            endif


            # TODO: Fix the use of wildcards.

            
            # Assumes clang-format is within $PATH.

            
            format:

            
            	clang-format -style=LLVM -i src/*.h src/*.cpp


            # Assumes clang-format-diff.py is within $PATH, and that the

            
            # clang-format it calls is also within $PATH.  This may require adding

            
            # a component to $PATH, or creating symlinks within some existing

            
            # $PATH component.  Uses the one in /usr/lib/clang-format/ if it

            
            # exists.

            
            ifeq (,$(wildcard /usr/lib/clang-format/clang-format-diff.py))

            
              CLANG_FORMAT_DIFF = clang-format-diff.py

            
            else

            
              CLANG_FORMAT_DIFF = /usr/lib/clang-format/clang-format-diff.py

            
            endif

            
            format-diff:

            
            	git diff -U0 `git merge-base HEAD master` | \

            
            	$(CLANG_FORMAT_DIFF) -p1 -style=LLVM -i


            clean:

            
            	rm -rf llvm2ice *.o $(OBJDIR)


            clean-all: clean

            
            	rm -rf build/
	# The following variables will likely need to be modified, depending on where
	# and how you built LLVM & Clang. They can be overridden in a command-line
	# invocation of make, like:
	#
	# make LLVM_SRC_PATH=<path> LLVM_BIN_PATH=<path> \
	# LIBCXX_INSTALL_PATH=<path> CLANG_PATH=<path> ...
	#

	# LLVM_SRC_PATH is the path to the root of the checked out source code. This
	# directory should contain the configure script, the include/ and lib/
	# directories of LLVM, Clang in tools/clang/, etc.
	# Alternatively, if you're building vs. a binary download of LLVM, then
	# LLVM_SRC_PATH can point to the main untarred directory.
	LLVM_SRC_PATH ?= ../llvm

	# LLVM_BIN_PATH is the directory where binaries are placed by the LLVM build
	# process. It should contain the tools like opt, llc and clang. The default
	# reflects a debug build with autotools (configure & make).
	LLVM_BIN_PATH ?= $(shell readlink -e \
	../../out/llvm_x86_64_linux_work/Release+Asserts/bin)

	# LIBCXX_INSTALL_PATH is the directory where libc++ is located. It should
	# contain header files and corresponding libraries
	LIBCXX_INSTALL_PATH ?= $(shell readlink -e \
	../../../toolchain/linux_x86/pnacl_newlib)

	# CLANG_PATH is the location of the clang compiler to use.
	CLANG_PATH ?= $(shell readlink -e \
	../../../../third_party/llvm-build/Release+Asserts/bin)

	HOST_ARCH ?= x86_64
	ifeq ($(HOST_ARCH),x86_64)
	HOST_FLAGS = -m64 -stdlib=libc++
	else
	ifeq ($(HOST_ARCH),x86)
	HOST_FLAGS = -m32 -stdlib=libc++
	endif
	endif

	ifdef DEBUG
	OBJDIR = build/Debug
	OPTLEVEL = -O0
	else
	OBJDIR = build/Release
	OPTLEVEL = -O2 -ffunction-sections -fdata-sections
	endif

	# The list of CXX defines that are dependent on build parameters.
	CXX_DEFINES =

	ifdef MINIMAL
	NOASSERT = 1
	OBJDIR := $(OBJDIR)+Min
	CXX_DEFINES += -DALLOW_DUMP=0 -DALLOW_LLVM_CL=0 -DALLOW_LLVM_IR=0 \
	-DALLOW_LLVM_IR_AS_INPUT=0 -DALLOW_DISABLE_IR_GEN=0
	else
	CXX_DEFINES += -DALLOW_DUMP=1 -DALLOW_LLVM_CL=1 -DALLOW_LLVM_IR=1 \
	-DALLOW_LLVM_IR_AS_INPUT=1 -DALLOW_DISABLE_IR_GEN=1
	endif

	ifdef NOASSERT
	ASSERTIONS = -DNDEBUG
	else
	ASSERTIONS =
	OBJDIR := $(OBJDIR)+Asserts
	endif

	$(info -----------------------------------------------)
	$(info Using LLVM_SRC_PATH = $(LLVM_SRC_PATH))
	$(info Using LLVM_BIN_PATH = $(LLVM_BIN_PATH))
	$(info Using LIBCXX_INSTALL_PATH = $(LIBCXX_INSTALL_PATH))
	$(info Using CLANG_PATH = $(CLANG_PATH))
	$(info Using HOST_ARCH = $(HOST_ARCH))
	$(info -----------------------------------------------)

	LLVM_CXXFLAGS := `$(LLVM_BIN_PATH)/llvm-config --cxxflags`
	LLVM_LDFLAGS := `$(LLVM_BIN_PATH)/llvm-config --libs` \
	`$(LLVM_BIN_PATH)/llvm-config --ldflags` \
	`$(LLVM_BIN_PATH)/llvm-config --system-libs`

	# It's recommended that CXX matches the compiler you used to build LLVM itself.
	CCACHE := `command -v ccache`
	CXX := CCACHE_CPP2=yes $(CCACHE) $(CLANG_PATH)/clang++

	CXXFLAGS := $(LLVM_CXXFLAGS) -std=c++11 -Wall -Wextra -Werror -fno-rtti \
	-fno-exceptions $(OPTLEVEL) $(ASSERTIONS) $(CXX_DEFINES) -g \
	$(HOST_FLAGS) -Wno-error=unused-parameter \
	-I$(LIBCXX_INSTALL_PATH)/include/c++/v1
	LDFLAGS := $(HOST_FLAGS) -L$(LIBCXX_INSTALL_PATH)/lib -Wl,--gc-sections

	SRCS = \
	assembler.cpp \
	assembler_ia32.cpp \
	IceCfg.cpp \
	IceCfgNode.cpp \
	IceELFObjectWriter.cpp \
	IceELFSection.cpp \
	IceGlobalContext.cpp \
	IceGlobalInits.cpp \
	IceInst.cpp \
	IceInstX8632.cpp \
	IceIntrinsics.cpp \
	IceLiveness.cpp \
	IceOperand.cpp \
	IceRegAlloc.cpp \
	IceRNG.cpp \
	IceTargetLowering.cpp \
	IceTargetLoweringX8632.cpp \
	IceTimerTree.cpp \
	IceTranslator.cpp \
	IceTypes.cpp \
	llvm2ice.cpp \
	PNaClTranslator.cpp

	ifndef MINIMAL
	SRCS += IceConverter.cpp \
	IceTypeConverter.cpp
	endif

	OBJS=$(patsubst %.cpp, $(OBJDIR)/%.o, $(SRCS))

	UNITTEST_SRCS = \
	BitcodeMunge.cpp \
	IceELFSectionTest.cpp \
	IceParseInstsTest.cpp

	UNITTEST_OBJS = $(patsubst %.cpp, $(OBJDIR)/unittest/%.o, $(UNITTEST_SRCS))
	UNITTEST_LIB_OBJS = $(filter-out $(OBJDIR)/llvm2ice.o,$(OBJS))

	# Keep all the first target so it's the default.
	all: $(OBJDIR)/llvm2ice make_symlink

	# Creates symbolic link so that testing is easier. Also runs
	# llvm2ice to verify that the defines flags have valid values,
	# as well as describe the corresponding build attributes.
	make_symlink: $(OBJDIR)/llvm2ice
	rm -rf llvm2ice
	ln -s $(OBJDIR)/llvm2ice
	@echo "Build Attributes:"
	@$(OBJDIR)/llvm2ice --build-atts

	.PHONY: all make_symlink

	# TODO(kschimpf): Fix python scripts to directly get build attributes
	# rather than generating $(OBJDIR)/llvm2ice.build_atts.
	$(OBJDIR)/llvm2ice: $(OBJS)
	$(CXX) $(LDFLAGS) -o $@ $^ $(LLVM_LDFLAGS) \
	-Wl,-rpath=$(abspath $(LIBCXX_INSTALL_PATH)/lib)

	# TODO: Be more precise than "*.h" here and elsewhere.
	$(OBJS): $(OBJDIR)/%.o: src/%.cpp src/.h src/.def
	$(CXX) -c $(CXXFLAGS) $< -o $@

	$(OBJDIR)/run_unittests: $(UNITTEST_OBJS) $(UNITTEST_LIB_OBJS)
	$(CXX) $(LDFLAGS) -o $@ $^ $(LLVM_LDFLAGS) -lgtest -lgtest_main -ldl \
	-Wl,-rpath=$(abspath $(LIBCXX_INSTALL_PATH)/lib)

	$(UNITTEST_OBJS): $(OBJDIR)/unittest/%.o: unittest/%.cpp
	$(CXX) -c $(CXXFLAGS) \
	-Isrc/ \
	-I$(LLVM_SRC_PATH)/utils/unittest/googletest/include \
	-DGTEST_HAS_RTTI=0 -DGTEST_USE_OWN_TR1_TUPLE \
	$< -o $@

	$(OBJS): \| $(OBJDIR)

	$(UNITTEST_OBJS): \| $(OBJDIR)/unittest

	$(OBJDIR):
	@mkdir -p $@

	$(OBJDIR)/unittest: $(OBJDIR)
	@mkdir -p $@

	check-lit: llvm2ice make_symlink
	LLVM_BIN_PATH=$(LLVM_BIN_PATH) \
	$(LLVM_SRC_PATH)/utils/lit/lit.py -sv tests_lit

	check-unit: $(OBJDIR)/run_unittests
	$(OBJDIR)/run_unittests

	ifdef MINIMAL
	check: check-lit check-unit
	@echo "Crosstests ignored, minimal build"
	else
	check: check-lit check-unit
	(cd crosstest; ./runtests.sh)
	endif

	# TODO: Fix the use of wildcards.
	# Assumes clang-format is within $PATH.
	format:
	clang-format -style=LLVM -i src/.h src/.cpp

	# Assumes clang-format-diff.py is within $PATH, and that the
	# clang-format it calls is also within $PATH. This may require adding
	# a component to $PATH, or creating symlinks within some existing
	# $PATH component. Uses the one in /usr/lib/clang-format/ if it
	# exists.
	ifeq (,$(wildcard /usr/lib/clang-format/clang-format-diff.py))
	CLANG_FORMAT_DIFF = clang-format-diff.py
	else
	CLANG_FORMAT_DIFF = /usr/lib/clang-format/clang-format-diff.py
	endif
	format-diff:
	git diff -U0 `git merge-base HEAD master` \| \
	$(CLANG_FORMAT_DIFF) -p1 -style=LLVM -i

	clean:
	rm -rf llvm2ice *.o $(OBJDIR)

	clean-all: clean
	rm -rf build/