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Makefile
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Makefile
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CLEAN_FILES = # deliberately empty, so we can append below.
CXX=g++
PLATFORM_LDFLAGS= -lpthread -lrt
PLATFORM_CXXFLAGS= -std=c++11
PROFILING_FLAGS=-pg
OPT=
LDFLAGS += -Wl,-rpath=$(RPATH)
# DEBUG_LEVEL can have two values:
# * DEBUG_LEVEL=2; this is the ultimate debug mode. It will compile benchmark
# without any optimizations. To compile with level 2, issue `make dbg`
# * DEBUG_LEVEL=0; this is the debug level we use for release. If you're
# running benchmark in production you most definitely want to compile benchmark
# with debug level 0. To compile with level 0, run `make`,
# Set the default DEBUG_LEVEL to 0
DEBUG_LEVEL?=0
ifeq ($(MAKECMDGOALS),dbg)
DEBUG_LEVEL=2
endif
# compile with -O2 if debug level is not 2
ifneq ($(DEBUG_LEVEL), 2)
OPT += -O2 -fno-omit-frame-pointer
# if we're compiling for release, compile without debug code (-DNDEBUG) and
# don't treat warnings as errors
OPT += -DNDEBUG
DISABLE_WARNING_AS_ERROR=1
# Skip for archs that don't support -momit-leaf-frame-pointer
ifeq (,$(shell $(CXX) -fsyntax-only -momit-leaf-frame-pointer -xc /dev/null 2>&1))
OPT += -momit-leaf-frame-pointer
endif
else
$(warning Warning: Compiling in debug mode. Don't use the resulting binary in production)
OPT += $(PROFILING_FLAGS)
DEBUG_SUFFIX = "_debug"
endif
# ----------------Dependences-------------------
INCLUDE_PATH = -I./
# ---------------End Dependences----------------
LIB_SOURCES := $(wildcard $(SRC_PATH)/*.cc)
#-----------------------------------------------
AM_DEFAULT_VERBOSITY = 0
AM_V_GEN = $(am__v_GEN_$(V))
am__v_GEN_ = $(am__v_GEN_$(AM_DEFAULT_VERBOSITY))
am__v_GEN_0 = @echo " GEN " $(notdir $@);
am__v_GEN_1 =
AM_V_at = $(am__v_at_$(V))
am__v_at_ = $(am__v_at_$(AM_DEFAULT_VERBOSITY))
am__v_at_0 = @
am__v_at_1 =
AM_V_CC = $(am__v_CC_$(V))
am__v_CC_ = $(am__v_CC_$(AM_DEFAULT_VERBOSITY))
am__v_CC_0 = @echo " CC " $(notdir $@);
am__v_CC_1 =
CCLD = $(CC)
LINK = $(CCLD) $(AM_CFLAGS) $(CFLAGS) $(AM_LDFLAGS) $(LDFLAGS) -o $@
AM_V_CCLD = $(am__v_CCLD_$(V))
am__v_CCLD_ = $(am__v_CCLD_$(AM_DEFAULT_VERBOSITY))
am__v_CCLD_0 = @echo " CCLD " $(notdir $@);
am__v_CCLD_1 =
AM_LINK = $(AM_V_CCLD)$(CXX) $^ $(EXEC_LDFLAGS) -o $@ $(LDFLAGS)
CXXFLAGS += -g
# This (the first rule) must depend on "all".
default: all
WARNING_FLAGS = -W -Wextra -Wall -Wsign-compare \
-Wno-unused-parameter -Woverloaded-virtual \
-Wnon-virtual-dtor -Wno-missing-field-initializers
ifndef DISABLE_WARNING_AS_ERROR
WARNING_FLAGS += -Werror
endif
CXXFLAGS += $(WARNING_FLAGS) $(INCLUDE_PATH) $(PLATFORM_CXXFLAGS) $(OPT)
LDFLAGS += $(PLATFORM_LDFLAGS)
# ----------------------------------------------
ifeq ($(TARGET_ENGINE),)
TARGET_ENGINE = engine_race
endif
SUB_PATH = $(CURDIR)/$(TARGET_ENGINE)
LIBOUTPUT = $(CURDIR)/lib
dummy := $(shell mkdir -p $(LIBOUTPUT))
LIBRARY = $(LIBOUTPUT)/${LIBNAME}.a
.PHONY: clean dbg all
%.o: %.cc
$(AM_V_CC)$(CXX) $(CXXFLAGS) -c $< -o $@
all: $(LIBRARY)
dbg: $(LIBRARY)
$(LIBRARY):
$(AM_V_at)make -C $(SUB_PATH) DEBUG_LEVEL=$(DEBUG_LEVEL) LIBOUTPUT=$(LIBOUTPUT) EXEC_DIR=$(CURDIR)
clean:
make -C $(SUB_PATH) LIBOUTPUT=$(LIBOUTPUT) clean
rm -f $(LIBRARY)
rm -rf $(CLEAN_FILES)
rm -rf $(LIBOUTPUT)
find $(SRC_PATH) -maxdepth 1 -name "*.[oda]*" -exec rm -f {} \;
find $(SRC_PATH) -maxdepth 1 -type f -regex ".*\.\(\(gcda\)\|\(gcno\)\)" -exec rm {} \;