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OPTIMIZE ?= -O3
DEBUG ?= -g
AR ?= ar
CXX ?= g++
IWYU ?= iwyu
CHRONIC ?= chronic
CXXFLAGS := -Wall -Werror -std=c++20 -fPIC -iquote . ${OPTIMIZE} ${DEBUG}
.DEFAULT_GOAL := all
VERSION := $(shell git describe --always --dirty --long --tags 2> /dev/null)
ifndef VERSION
VERSION := unknown
endif
$(info Version ${VERSION})
define GITTAGCPP =
#include <string>
std::string GIT_TAG = "$(subst ",\",${VERSION})";
endef
export GITTAGCPP
ifneq ($(shell which ${IWYU}),)
iwyu = ${CHRONIC} ${IWYU} -Xiwyu --error ${CXXFLAGS} $(1)
else
$(warning Not using IWYU)
iwyu =
endif
libname = $(shell realpath --canonicalize-missing --relative-to . build/$(dir $(1))/lib$(notdir $(1)))
define mklib =
ifneq ($(wildcard $(1)/*.cpp),)
$(call libname,$(1).a): $(patsubst %.cpp,build/%.o,$(wildcard $(1)/*.cpp))
@mkdir -p $$(dir $$@)
$${AR} cr $$@ $$+
$(call libname,$(1).so): $(patsubst %.cpp,build/%.o,$(wildcard $(1)/*.cpp))
@mkdir -p $$(dir $$@)
$${CXX} $${CXXFLAGS} -shared -o $$@ $$+
PARTARS += $(call libname,$(1).a)
PARTSOS += $(call libname,$(1).so)
else
$(call libname,$(1).cpp):
@mkdir -p $$(dir $$@)
@tools/iwyu-header $$(wildcard $(1)/*.h) > $$@
@$$(call iwyu,$$@)
.PHONY: $(call libname,$(1).cpp)
EXTRA_TARGETS += $(call libname,$(1).cpp)
endif
endef
PARTS := $(patsubst ./%,%,$(shell find -mindepth 1 -type d -\( -name .\* -prune -o -name build -prune -o -name tools -prune -o -print -\)))
PARTARS :=
PARTSOS :=
EXTRA_TARGETS :=
$(foreach part,${PARTS},$(eval $(call mklib,${part})))
MAINOBJS := $(patsubst %.cpp,build/%.o,$(wildcard *.cpp))
MAINOBJS += build/git-tag.o
$(info )
all: ${EXTRA_TARGETS} issim issim-static
issim: build/issim-dynamic
@ln -sf $< $@
.PHONY: issim
issim-static: build/issim-static
@ln -sf $< $@
.PHONY: issim-static
build/issim-dynamic: ${MAINOBJS} ${PARTSOS}
@mkdir -p $(dir $@)
${CXX} ${CXXFLAGS} -o $@ $+
build/issim-static: ${MAINOBJS} ${PARTARS}
@mkdir -p $(dir $@)
${CXX} ${CXXFLAGS} -o $@ $+
clean:
rm -rf build issim issim-static
.PHONY: clean
build/git-tag.cpp:
@mkdir -p $(dir $@)
@echo "$$GITTAGCPP" > $@
.PHONY: build/git-tag.cpp
include $(shell find -type f -name \*.d)
build/%.o: %.cpp
@mkdir -p $(dir $@)
@$(call iwyu,$<)
${CXX} ${CXXFLAGS} -MMD -c -o $@ $<
build/%.o: build/%.cpp
@mkdir -p $(dir $@)
${CXX} ${CXXFLAGS} -MMD -c -o $@ $<
.SUFFIXES:
.SECONDARY:
|
