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|
OPTIMIZE ?= -O3 -flto
DEBUG ?= -g
AR ?= ar
CXX ?= g++
IWYU ?= iwyu
CHRONIC ?= chronic
PKGS := fmt
PKG_FLAGS := $(shell pkg-config --cflags ${PKGS})
PKG_LIBS := -Wl,--push-state,--as-needed,--start-group $(shell pkg-config --libs ${PKGS}) -Wl,--end-group,--pop-state
CXXFLAGS := -Wall -Werror -std=c++20 -fPIC -iquote . ${PKG_FLAGS} ${OPTIMIZE} ${DEBUG}
.DEFAULT_GOAL := all
VERSION := $(shell git describe --always --dirty --long --tags 2> /dev/null)
ifndef VERSION
VERSION := unknown
endif
$(info Version ${VERSION})
define GITTAGCPP =
#include "git-tag.h"
const char *GIT_TAG = "$(subst ",\",${VERSION})";
endef
export GITTAGCPP
ifneq ($(shell which ${IWYU}),)
iwyu = ${CHRONIC} ${IWYU} -Xiwyu --error -Xiwyu --mapping_file=tools/iwyu.imp -Xiwyu --no_fwd_decls ${CXXFLAGS} $(1)
else
$(warning Not using IWYU)
iwyu =
endif
libname = $(shell realpath --canonicalize-missing --relative-to . build/$(dir $(1))/lib$(notdir $(1)))
define mksodeps =
$(1)_SODEPS :=
endef
define mklib =
ifneq ($(wildcard $(1)/*.cpp),)
$(call libname,$(1).a): $(patsubst %.cpp,build/%.o,$(wildcard $(1)/*.cpp))
@mkdir -p $$(dir $$@)
$${AR} cr $$@ $$+
$(call libname,$(1).so): $(patsubst %.cpp,build/%.o,$(wildcard $(1)/*.cpp)) $${$(1)_SODEPS}
@mkdir -p $$(dir $$@)
$${CXX} $${CXXFLAGS} -shared -o $$@ -Wl,--start-group $$+ -Wl,--end-group
PARTARS += $(call libname,$(1).a)
PARTSOS += $(call libname,$(1).so)
endif
ifdef iwyu
build/$(1)/iwyu.cpp:
@mkdir -p $$(dir $$@)
@tools/iwyu-header $$(wildcard $(1)/*.h) > $$@
@$$(call iwyu,$$@)
.PHONY: build/$(1)/iwyu.cpp
IWYU_CPPS += build/$(1)/iwyu.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 :=
IWYU_CPPS :=
$(foreach part,${PARTS},$(eval $(call mksodeps,${part})))
DEPFILES := $(shell find -mindepth 1 -name .\* -prune -o -type f -name \*.d -print)
include ${DEPFILES}
$(foreach part,${PARTS},$(eval $(call mklib,${part})))
ifdef iwyu
build/iwyu.cpp:
@mkdir -p $(dir $@)
@tools/iwyu-header $(wildcard *.h) > $@
@$(call iwyu,$@)
.PHONY: build/iwyu.cpp
IWYU_CPPS += build/iwyu.cpp
endif
MAINOBJS := $(patsubst %.cpp,build/%.o,$(wildcard *.cpp))
MAINOBJS += build/git-tag.o
$(info )
all: ${IWYU_CPPS} 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 $@ -Wl,--start-group $+ -Wl,--end-group ${PKG_LIBS}
build/issim-static: ${MAINOBJS} ${PARTARS}
@mkdir -p $(dir $@)
${CXX} ${CXXFLAGS} -o $@ -Wl,--start-group $+ -Wl,--end-group ${PKG_LIBS}
clean:
rm -rf build issim issim-static
.PHONY: clean
build/git-tag.cpp:
@mkdir -p $(dir $@)
@echo "$$GITTAGCPP" > $@
.PHONY: build/git-tag.cpp
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:
|
