makefile/makefile.exe_progress

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#This program is free software: you can redistribute it and/or modify
#it under the terms of the GNU General Public License as published by
#the Free Software Foundation, either version 3 of the License, or
#(at your option) any later version.
#This program is distributed in the hope that it will be useful,
#but WITHOUT ANY WARRANTY; without even the implied warranty of
#MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
#GNU General Public License for more details.
#You should have received a copy of the GNU General Public License
#along with this program. If not, see <http://www.gnu.org/licenses/>.
#Copyright 2020-2021 rexy712
#Makefile to generate a single executable from all sources in SOURCE_DIRS that end in EXT
ifeq ($(OS),Windows_NT)
WINDOWS::=1
endif
SOURCE_DIRS::=src
SOURCES::=
OBJDIR::=obj
DEPDIR::=$(OBJDIR)/dep
LIBDIRS::=lib
INCLUDE_DIRS::=include
PKGS::=
CFLAGS::=-std=c18 -Wall -pedantic -Wextra
CXXFLAGS::=-std=c++17 -Wall -pedantic -Wextra
DEBUG_CFLAGS::=$(CFLAGS) -O0 -g3 -ggdb
DEBUG_CXXFLAGS::=$(CXXFLAGS) -O0 -g3 -ggdb
RELEASE_CFLAGS::=$(CFLAGS) -O2 -Wno-strict-aliasing
RELEASE_CXXFLAGS::=$(CXXFLAGS) -O2 -Wno-strict-aliasing
EXT::=cpp
LANG::=$(EXT)
MAIN_EXECUTABLE::=tester
PRE_TARGETS::=
POST_TARGETS::=
CLEAN_TARGETS::=
RELEASE?=0
MEMCHK?=0
UNDEFCHK?=0
SAVECFLAGS?=1
VERBOSE?=0
ifneq ($(WINDOWS),1)
#*nix settings
CC::=gcc
CXX::=g++
LDLIBS::=
LDFLAGS::=
DEBUG_LDLIBS::=
DEBUG_LDFLAGS::=
STRIP::=strip
RANLIB::=ranlib
AR::=ar
AS::=as
else #windows
#windows settings
#windows is a fuckwit
MINGW_PREFIX::=x86_64-w64-mingw32-
CC::=$(MINGW_PREFIX)gcc
CXX::=$(MINGW_PREFIX)g++
LDLIBS::=
LDFLAGS::=
DEBUG_LDLIBS::=
DEBUG_LDFLAGS::=
STRIP::=$(MINGW_PREFIX)strip
RANLIB::=$(MINGW_PREFIX)ranlib
AR::=$(MINGW_PREFIX)ar
AS::=$(MINGW_PREFIX)as
endif #windows
#Put your custom targets for PRE_TARGETS, POST_TARGETS, and CLEAN_TARGETS here:
###########################################################################################################
#Everything past this point is internal BS, probably best not to touch it unless you know what you're doing
#set the all target as the default target, otherwise the topmost target will run
.DEFAULT_GOAL::=all
#set the main target to match the output of mingw
ifeq ($(WINDOWS),1)
MAIN_EXECUTABLE::=$(MAIN_EXECUTABLE).exe
endif
#system dependant bullshit
ifeq ($(OS),Windows_NT)
#windows' cmd commands
mkdir=mkdir $(subst /,\,$(1)) > NUL 2>&1
rm=del /F $(1) > NUL 2>&1
rmdir=rd /S /Q $(1) > NUL 2>&1
move=move /Y $(subst /,\,$(1)) $(subst /,\,$(2)) > NUL 2>&1
copy=copy /Y /B $(subst /,\,$(1)) $(subst /,\,$(2)) > NUL 2>&1
else
#*nix terminal commands
mkdir=mkdir -p $(1)
rm=rm -f $(1)
rmdir=rm -rf $(1)
move=mv $(1) $(2)
copy=cp $(1) $(2)
endif
#setup compiler and flags based on language
ifeq ($(LANG),cpp)
ifneq ($(RELEASE),1)
COMPILER_FLAGS::=$(DEBUG_CXXFLAGS)
else
COMPILER_FLAGS::=$(RELEASE_CXXFLAGS)
endif
COMPILER::=$(CXX)
else ifeq ($(LANG),c)
ifneq ($(RELEASE),1)
COMPILER_FLAGS::=$(DEBUG_CFLAGS)
else
COMPILER_FLAGS::=$(RELEASE_CFLAGS)
endif
COMPILER::=$(CC)
endif
ifneq ($(RELEASE),1)
ifeq ($(MEMCHK),1)
#use asan to check memory leaks/invalid accesses
LDFLAGS+=-fsanitize=address -fno-omit-frame-pointer -fno-optimize-sibling-calls
COMPILER_FLAGS+=-fsanitize=address -fno-omit-frame-pointer -fno-optimize-sibling-calls -DENABLE_MEMCHK=1
endif
ifeq ($(UNDEFCHK),1)
LDFLAGS+=-fsanitize=undefined
COMPILER_FLAGS+=-fsanitize=undefined -DENABLE_UNDEFCHK=1
endif
endif
ifeq ($(SAVECFLAGS),1)
CFLAGS_TMPFILE::=.cflags.tmp
OLD_COMPILEFLAGS::=$(file <$(CFLAGS_TMPFILE))
endif
#prefix '@' to build commands to squelch their output and only output progress report
ifeq ($(VERBOSE),0)
SILENCER::=@
endif
#add dependency tracking and include directories
INTERNAL_COMPILERFLAGS=-c $(foreach dir,$(INCLUDE_DIRS),-I"$(dir)") $(foreach pkg,$(PKGS),$(shell pkg-config --cflags "$(pkg)")) -MMD -MP -MF"$(DEPDIR)/$(notdir $(patsubst %.o,%.d,$@))"
INTERNAL_LINKFLAGS=$(foreach dir,$(LIBDIRS),-L"$(dir)") $(foreach pkg,$(PKGS),$(shell pkg-config --libs "$(pkg)"))
THIS_MAKEFILE_NAME::=$(lastword $(MAKEFILE_LIST))
INTERNAL_SOURCES::=$(SOURCES) $(foreach source,$(SOURCE_DIRS),$(foreach ext,$(EXT),$(wildcard $(source)/*.$(ext))))
OBJECTS::=$(addprefix $(OBJDIR)/,$(subst \,.,$(subst /,.,$(addsuffix .o,$(INTERNAL_SOURCES)))))
ALL_COMPILEFLAGS=$(COMPILER_FLAGS) $(INTERNAL_COMPILERFLAGS)
ifeq ($(RELEASE),1)
ALL_LINKFLAGS=$(INTERNAL_LINKFLAGS) $(LDFLAGS)
ALL_LDLIBS=$(LDLIBS)
else
ALL_LINKFLAGS=$(INTERNAL_LINKFLAGS) $(LDFLAGS) $(DEBUG_LDFLAGS)
ALL_LDLIBS=$(LDLIBS) $(DEBUG_LDLIBS)
endif
#Arguments to make submake use this makefile without "Entering directory" stuff
SUBMAKE_ARGUMENTS::=--no-print-directory -e -f "$(THIS_MAKEFILE_NAME)"
#just a variable for a newline
define \n
endef
.PHONY: cflags-update
cflags-update:
ifeq ($(SAVECFLAGS),1)
ifneq ($(subst -MF"$(DEPDIR)/",-MF"$(DEPDIR)/cflags-update",$(ALL_COMPILEFLAGS)),$(OLD_COMPILEFLAGS))
$(file >$(CFLAGS_TMPFILE),$(ALL_COMPILEFLAGS))
endif
endif
ifndef PRINT_PERCENT
TOTAL_UNITS:=$(shell $(MAKE) -nrR --no-print-directory $(MAKECMDFLAGS) -f $(lastword $(MAKEFILE_LIST)) MEMCHK=$(MEMCHK) RELEASE=$(RELEASE) SAVECFLAGS=$(SAVECFLAGS) PRINT_PERCENT=PRINT_PERCENT | grep -c PRINT_PERCENT)
UNIT_COUNTER:=c
CURRENT_UNIT=$(words $(UNIT_COUNTER))$(eval UNIT_COUNTER:=c $(UNIT_COUNTER))
GREEN::="\\e[32m"
CLEAR::="\\e[0m"
PRINT_PERCENT=@echo -e "$(GREEN)[$(CURRENT_UNIT)/$(TOTAL_UNITS)] $(1)$(CLEAR)"
else
unexport PRINT_PERCENT #unfortunately cannot work with submake without intermediate files
endif
#default target: run targets in PRE_TARGETS, then the main executable, then POST_TARGETS
.PHONY: all
all: cflags-update
ifneq ($(PRE_TARGETS),)
@echo -e "$(GREEN)Running PRE_TARGETS$(CLEAR)"
endif
$(foreach target,$(PRE_TARGETS),@$(MAKE) $(SUBMAKE_ARGUMENTS) "$(target)"$(\n))
@$(MAKE) $(SUBMAKE_ARGUMENTS) "$(MAIN_EXECUTABLE)"
ifneq ($(POST_TARGETS),)
@echo -e "$(GREEN)Running POST_TARGETS$(CLEAR)"
endif
$(foreach target,$(POST_TARGETS),@$(MAKE) $(SUBMAKE_ARGUMENTS) "$(target)"$(\n))
#Called in POST_TARGETS when RELEASE=1
.PHONY: do_strip
do_strip:
@$(call PRINT_PERCENT,Stripping $(MAIN_EXECUTABLE))
$(SILENCER)$(STRIP) --strip-all "$(MAIN_EXECUTABLE)"
#Link executable
$(MAIN_EXECUTABLE): $(OBJECTS)
@$(call PRINT_PERCENT,Linking $@)
$(SILENCER)$(COMPILER) $^ -o "$(basename $@)" $(ALL_LINKFLAGS) $(ALL_LDLIBS)
#Object target recipe
define GENERATE_OBJECTS
$$(OBJDIR)/$(subst \,.,$(subst /,.,$(1))).%.o: $(1)/% $(CFLAGS_TMPFILE)
@$$(call PRINT_PERCENT,Building $$<)
$(SILENCER)$$(COMPILER) $$(ALL_COMPILEFLAGS) "$$<" -o "$$@"
endef
define GENERATE_INDIVIDUAL_OBJECTS
$$(OBJDIR)/$(subst \,.,$(subst /,.,$(1))).o: $(1) $(CFLAGS_TMPFILE)
@$$(call PRINT_PERCENT,Building $$<)
$(SILENCER)$$(COMPILER) $$(ALL_COMPILEFLAGS) "$$<" -o "$$@"
endef
#Create targets for object files
$(foreach dir,$(SOURCE_DIRS),$(eval $(call GENERATE_OBJECTS,$(dir))))
$(foreach src,$(SOURCES),$(eval $(call GENERATE_INDIVIDUAL_OBJECTS,$(src))))
$(OBJECTS): | $(OBJDIR) $(DEPDIR)
#Output directory creation
$(OBJDIR):
$(call mkdir,"$@")
$(DEPDIR):
$(call mkdir,"$@")
.PHONY: clean
clean:
$(foreach target,$(CLEAN_TARGETS),@$(MAKE) $(SUBMAKE_ARGUMENTS) "$(target)"$(\n))
$(call rmdir,"$(DEPDIR)")
$(call rmdir,"$(OBJDIR)")
$(call rm,"$(MAIN_EXECUTABLE)")
$(call rm,"$(MAIN_EXECUTABLE).exe")
ifeq ($(SAVECFLAGS),1)
$(call rm,"$(CFLAGS_TMPFILE)")
endif
#header file dep tracking
-include $(wildcard $(DEPDIR)/*.d)