1# Based on c_src.mk from erlang.mk by Loic Hoguin <essen@ninenines.eu> 2 3CURDIR := $(shell pwd) 4BASEDIR := $(abspath $(CURDIR)/..) 5 6PROJECT ?= $(notdir $(BASEDIR)) 7PROJECT := $(strip $(PROJECT)) 8 9ERTS_INCLUDE_DIR ?= $(shell erl -noshell -eval "io:format(\"~ts/erts-~ts/include/\", [code:root_dir(), erlang:system_info(version)])." -s init stop) 10ERL_INTERFACE_INCLUDE_DIR ?= $(shell erl -noshell -eval "io:format(\"~ts\", [code:lib_dir(erl_interface, include)])." -s init stop) 11ERL_INTERFACE_LIB_DIR ?= $(shell erl -noshell -eval "io:format(\"~ts\", [code:lib_dir(erl_interface, lib)])." -s init stop) 12 13C_SRC_DIR = $(CURDIR) 14C_SRC_OUTPUT ?= $(CURDIR)/../priv/$(PROJECT).so 15 16# System type and C compiler/flags. 17 18UNAME_SYS := $(shell uname -s) 19ifeq ($(UNAME_SYS), Darwin) 20 CC ?= cc 21 CFLAGS ?= -O3 -std=c99 -arch x86_64 -finline-functions -Wall -Wmissing-prototypes 22 CXXFLAGS ?= -O3 -arch x86_64 -finline-functions -Wall 23 LDFLAGS ?= -arch x86_64 -flat_namespace -undefined suppress 24else ifeq ($(UNAME_SYS), DragonFly) 25 CC ?= cc 26 CFLAGS ?= -O3 -std=c99 -finline-functions -Wall -Wmissing-prototypes 27 CXXFLAGS ?= -O3 -finline-functions -Wall 28else ifeq ($(UNAME_SYS), Linux) 29 CC ?= gcc 30 CFLAGS ?= -O3 -std=c99 -finline-functions -Wall -Wmissing-prototypes 31 CXXFLAGS ?= -O3 -finline-functions -Wall 32endif 33 34CFLAGS += -fPIC -I $(ERTS_INCLUDE_DIR) -I $(ERL_INTERFACE_INCLUDE_DIR) 35CXXFLAGS += -fPIC -I $(ERTS_INCLUDE_DIR) -I $(ERL_INTERFACE_INCLUDE_DIR) 36 37LDLIBS += -L $(ERL_INTERFACE_LIB_DIR) -lei 38LDFLAGS += -shared 39 40# Verbosity. 41 42c_verbose_0 = @echo " C " $(?F); 43c_verbose = $(c_verbose_$(V)) 44 45cpp_verbose_0 = @echo " CPP " $(?F); 46cpp_verbose = $(cpp_verbose_$(V)) 47 48link_verbose_0 = @echo " LD " $(@F); 49link_verbose = $(link_verbose_$(V)) 50 51SOURCES := $(shell find $(C_SRC_DIR) -type f \( -name "*.c" -o -name "*.C" -o -name "*.cc" -o -name "*.cpp" \)) 52OBJECTS = $(addsuffix .o, $(basename $(SOURCES))) 53 54COMPILE_C = $(c_verbose) $(CC) $(CFLAGS) $(CPPFLAGS) -c 55COMPILE_CPP = $(cpp_verbose) $(CXX) $(CXXFLAGS) $(CPPFLAGS) -c 56 57$(C_SRC_OUTPUT): $(OBJECTS) 58 @mkdir -p $(BASEDIR)/priv/ 59 $(link_verbose) $(CC) $(OBJECTS) $(LDFLAGS) $(LDLIBS) -o $(C_SRC_OUTPUT) 60 61%.o: %.c 62 $(COMPILE_C) $(OUTPUT_OPTION) $< 63 64%.o: %.cc 65 $(COMPILE_CPP) $(OUTPUT_OPTION) $< 66 67%.o: %.C 68 $(COMPILE_CPP) $(OUTPUT_OPTION) $< 69 70%.o: %.cpp 71 $(COMPILE_CPP) $(OUTPUT_OPTION) $< 72 73clean: 74 @rm -f $(C_SRC_OUTPUT) $(OBJECTS) 75