brlib Makefile
This commit is contained in:
281
c/brlib/Makefile
Normal file
281
c/brlib/Makefile
Normal file
@@ -0,0 +1,281 @@
|
||||
# brlib Makefile - GNU make only
|
||||
#
|
||||
# Copyright (C) 2021-2023 Bruno Raoult ("br")
|
||||
# Licensed under the GNU General Public License v3.0 or later.
|
||||
# Some rights reserved. See COPYING.
|
||||
#
|
||||
# You should have received a copy of the GNU General Public License along with this
|
||||
# program. If not, see <https://www.gnu.org/licenses/gpl-3.0-standalone.html>.
|
||||
#
|
||||
# SPDX-License-Identifier: GPL-3.0-or-later <https://spdx.org/licenses/GPL-3.0-or-later.html>
|
||||
#
|
||||
|
||||
# important to know where exactly is project root dir
|
||||
ROOTDIR := $(dir $(abspath $(lastword $(MAKEFILE_LIST))))
|
||||
|
||||
SHELL := /bin/bash
|
||||
CC := gcc
|
||||
LD := ld
|
||||
BEAR := bear
|
||||
TOUCH := touch
|
||||
RM := rm
|
||||
RMDIR := rmdir
|
||||
|
||||
SRCDIR := ./src
|
||||
INCDIR := ./include
|
||||
OBJDIR := ./obj
|
||||
LIBDIR := ./lib
|
||||
BINDIR := ./bin
|
||||
DEPDIR := ./dep
|
||||
|
||||
SRC := $(wildcard $(SRCDIR)/*.c) # brlib sources
|
||||
SRC_FN := $(notdir $(SRC)) # source basename
|
||||
OBJ := $(addprefix $(OBJDIR)/,$(SRC_FN:.c=.o))
|
||||
|
||||
LIB := br_$(shell uname -m) # library name
|
||||
SLIB := $(addsuffix .a, $(LIBDIR)/lib$(LIB)) # static lib
|
||||
DLIB := $(addsuffix .so, $(LIBDIR)/lib$(LIB)) # dynamic lib
|
||||
|
||||
DEP_FN := $(SRC_FN) $(LIBSRC_FN)
|
||||
DEP := $(addprefix $(DEPDIR)/,$(DEP_FN:.c=.d))
|
||||
|
||||
##################################### emacs projectile/ccls
|
||||
PRJROOT := .projectile
|
||||
CCLSROOT := .ccls-root
|
||||
CCLSCMDS := compile_commands.json
|
||||
|
||||
##################################### pre-processor flags
|
||||
CPPFLAGS := -I$(INCDIR)
|
||||
#CPPFLAGS += -DDEBUG # global
|
||||
CPPFLAGS += -DDEBUG_DEBUG # enable log() functions
|
||||
#CPPFLAGS += -DDEBUG_DEBUG_C # log() funcs debug
|
||||
PPFLAGS += -DDEBUG_DEBUG # activate logs funcs
|
||||
CPPFLAGS += -DDEBUG_POOL # mem pools
|
||||
|
||||
# remove extraneous spaces (due to spaces before comments)
|
||||
CPPFLAGS := $(strip $(CPPFLAGS))
|
||||
|
||||
##################################### compiler flags
|
||||
CFLAGS := -std=gnu11
|
||||
CFLAGS += -O2
|
||||
CFLAGS += -g
|
||||
CFLAGS += -Wall
|
||||
CFLAGS += -Wextra
|
||||
CFLAGS += -march=native
|
||||
CFLAGS += -Wmissing-declarations
|
||||
CFLAGS += -Wno-unused-result
|
||||
CFLAGS += -fPIC
|
||||
# for gprof
|
||||
#CFLAGS += -pg
|
||||
# Next one may be useful for valgrind (some invalid instructions)
|
||||
# CFLAGS += -mno-tbm
|
||||
|
||||
CFLAGS := $(strip $(CFLAGS))
|
||||
|
||||
##################################### archiver/linker/dependency flags
|
||||
ARFLAGS := rcs
|
||||
LDFLAGS := -L$(LIBDIR)
|
||||
DEPFLAGS = -MMD -MP -MF $(DEPDIR)/$*.d
|
||||
|
||||
##################################### General targets
|
||||
.PHONY: all compile clean cleanall
|
||||
|
||||
all: libs
|
||||
|
||||
compile: objs
|
||||
|
||||
clean: cleandep cleanobj cleanlib cleanbin
|
||||
|
||||
cleanall: clean cleandepdir cleanobjdir cleanlibdir cleanbindir
|
||||
|
||||
# setup emacs projectile/ccls
|
||||
emacs: emacs-setup
|
||||
# update compile-commands.json
|
||||
ccls: $(CCLSCMDS)
|
||||
|
||||
##################################### cleaning functions
|
||||
# rmfiles - deletes a list of files in a directory if they exist.
|
||||
# $(1): the directory
|
||||
# $(2): the list of files to delete
|
||||
# $(3): The string to include in action output - "cleaning X files."
|
||||
# see: https://stackoverflow.com/questions/6783243/functions-in-makefiles
|
||||
#
|
||||
# Don't use wildcard like "$(DIR)/*.o", so we can control mismatches between
|
||||
# list and actual files in directory.
|
||||
# See rmdir below.
|
||||
define rmfiles
|
||||
@#echo "rmfiles=+$(1)+"
|
||||
$(eval $@_EXIST = $(wildcard $(1)))
|
||||
@#echo "existfile=+${$@_EXIST}+"
|
||||
@if [[ -n "${$@_EXIST}" ]]; then \
|
||||
echo "cleaning $(2) files." ; \
|
||||
$(RM) ${$@_EXIST} ; \
|
||||
fi
|
||||
endef
|
||||
|
||||
# rmdir - deletes a directory if it exists.
|
||||
# $(1): the directory
|
||||
# $(2): The string to include in action output - "removing X dir."
|
||||
#
|
||||
# Don't use $(RM) -rf, to control unexpected dep files.
|
||||
# See rmfile above.
|
||||
define rmdir
|
||||
@#echo "rmdir +$(1)+"
|
||||
$(eval $@_EXIST = $(wildcard $(1)))
|
||||
@#echo "existdir=+${$@_EXIST}+"
|
||||
@if [[ -n "${$@_EXIST}" ]]; then \
|
||||
echo "removing $(2) dir." ; \
|
||||
$(RMDIR) ${$@_EXIST} ; \
|
||||
fi
|
||||
endef
|
||||
|
||||
##################################### dirs creation
|
||||
.PHONY: alldirs
|
||||
|
||||
ALLDIRS := $(DEPDIR) $(OBJDIR) $(LIBDIR) $(BINDIR)
|
||||
|
||||
alldirs: $(ALLDIRS)
|
||||
|
||||
# Here, we have something like:
|
||||
# a: a
|
||||
# a will be built if (1) older than a, or (2) does not exist. Here only (2).
|
||||
$(ALLDIRS): $@
|
||||
@echo creating $@ directory.
|
||||
@mkdir -p $@
|
||||
|
||||
##################################### Dependencies files
|
||||
.PHONY: cleandep cleandepdir
|
||||
|
||||
-include $(wildcard $(DEP))
|
||||
|
||||
# Don't use $(DEPDIR)/*.d, to control mismatches between dep and src files.
|
||||
# See second rule below.
|
||||
cleandep:
|
||||
$(call rmfiles,$(DEP),depend)
|
||||
@#echo cleaning dependency files.
|
||||
@#$(RM) -f $(DEP)
|
||||
|
||||
cleandepdir:
|
||||
$(call rmdir,$(DEPDIR),depend)
|
||||
@#[ -d $(DEPDIR) ] && echo cleaning depend files && $(RM) -f $(DEP) || true
|
||||
|
||||
##################################### objects
|
||||
.PHONY: objs cleanobj cleanobjdir
|
||||
|
||||
objs: $(OBJ)
|
||||
|
||||
cleanobj:
|
||||
$(call rmfiles,$(OBJ),brlib object)
|
||||
|
||||
cleanobjdir:
|
||||
$(call rmdir,$(OBJDIR),brlib objects)
|
||||
|
||||
$(OBJDIR)/%.o: $(SRCDIR)/%.c | $(OBJDIR) $(DEPDIR)
|
||||
@echo compiling $< "->" $@.
|
||||
$(CC) -c $(DEPFLAGS) $(CPPFLAGS) $(CFLAGS) $< -o $@
|
||||
|
||||
##################################### brlib libraries
|
||||
.PHONY: libs cleanlib cleanlibdir
|
||||
|
||||
libs: $(DLIB) $(SLIB)
|
||||
|
||||
cleanlib:
|
||||
$(call rmfiles,$(DLIB) $(SLIB),library)
|
||||
|
||||
cleanlibdir:
|
||||
$(call rmdir,$(LIBDIR),libraries)
|
||||
|
||||
#$(DLIB): CFLAGS += -fPIC
|
||||
$(DLIB): LDFLAGS += -shared
|
||||
$(DLIB): $(OBJ) | $(LIBDIR)
|
||||
@echo "building $@ shared library ($?)."
|
||||
$(CC) $(CFLAGS) $(LDFLAGS) $? -o $@
|
||||
|
||||
$(SLIB): $(OBJ) | $(LIBDIR)
|
||||
@echo "building $@ static library ($?)."
|
||||
$(AR) $(ARFLAGS) $@ $? > /dev/null
|
||||
|
||||
##################################### brchess binaries
|
||||
.PHONY: targets cleanbin cleanbindir
|
||||
|
||||
targets: $(TARGET)
|
||||
|
||||
cleanbin:
|
||||
$(call rmfiles,$(TARGET),binary)
|
||||
|
||||
cleanbindir:
|
||||
$(call rmdir,$(BINDIR),binaries)
|
||||
|
||||
##################################### pre-processed (.i) and assembler (.s) output
|
||||
%.i: %.c
|
||||
@echo generating $@
|
||||
@$(CC) -E $(CPPFLAGS) $(CFLAGS) $< -o $@
|
||||
|
||||
%.s: %.c
|
||||
@echo generating $@
|
||||
@$(CC) -S -fverbose-asm $(CPPFLAGS) $(CFLAGS) $< -o $@
|
||||
|
||||
##################################### LSP (ccls)
|
||||
.PHONY: emacs-setup
|
||||
|
||||
PRJROOT := .projectile
|
||||
CCLSROOT := .ccls-root
|
||||
CCLSFILE := .ccls
|
||||
CCLSCMDS := compile_commands.json
|
||||
|
||||
emacs-setup: $(PRJROOT) $(CCLSROOT) $(CCLSCMDS)
|
||||
|
||||
#$(CCLSFILE):
|
||||
# @echo "creating CCLS's $@ project root file."
|
||||
# echo '%compile_commands.json' > $@
|
||||
|
||||
$(CCLSROOT) $(PRJROOT):
|
||||
@if [[ $(@) = $(PRJROOT) ]] ; \
|
||||
then \
|
||||
echo "creating Emacs's projectile root file." ; \
|
||||
else \
|
||||
echo "creating Emacs's ccls root file." ; \
|
||||
fi
|
||||
@$(TOUCH) $@
|
||||
|
||||
# generate compile_commands.json.
|
||||
# TODO: add includes and Makefile dependencies.
|
||||
# also, if cclsfile is newer than sources, no need to clean objects file
|
||||
# (and to run bear).
|
||||
# maybe run cleanobj cleanlibobj in commands ?
|
||||
$(CCLSCMDS): cleanobj $(SRC) | $(CCLSROOT)
|
||||
@echo "Generating ccls compile commands file ($@)."
|
||||
@$(BEAR) -- make compile
|
||||
|
||||
#.PHONY: bear
|
||||
#bear: cleanobj cleanlibobj Makefile | $(CCLSROOT)
|
||||
# @$(BEAR) -- make compile
|
||||
|
||||
##################################### valgrind (mem check)
|
||||
.PHONY: memcheck
|
||||
|
||||
VALGRIND := valgrind
|
||||
VALGRINDFLAGS := --leak-check=full --show-leak-kinds=all
|
||||
VALGRINDFLAGS += --track-origins=yes --sigill-diagnostics=yes
|
||||
VALGRINDFLAGS += --quiet --show-error-list=yes
|
||||
VALGRINDFLAGS += --log-file=valgrind.out
|
||||
# We need to suppress libreadline leaks here. See :
|
||||
# https://stackoverflow.com/questions/72840015
|
||||
VALGRINDFLAGS += --suppressions=etc/libreadline.supp
|
||||
|
||||
memcheck: targets
|
||||
@$(VALGRIND) $(VALGRINDFLAGS) $(BINDIR)/brchess
|
||||
|
||||
##################################### Makefile debug
|
||||
.PHONY: showflags wft
|
||||
|
||||
showflags:
|
||||
@echo CFLAGS: "$(CFLAGS)"
|
||||
@echo CPPFLAGS: $(CPPFLAGS)
|
||||
@echo DEPFLAGS: $(DEPFLAGS)
|
||||
@echo LDFLAGS: $(LDFLAGS)
|
||||
|
||||
wtf:
|
||||
@printf "ROOTDIR=+%s+\n\n" "$(ROOTDIR)"
|
||||
@printf "OBJDIR=%s\n\n" "$(OBJDIR)"
|
||||
@printf "OBJ=%s\n\n" "$(OBJ)"
|
||||
Reference in New Issue
Block a user