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brchess/Makefile
2023-06-22 16:07:16 +02:00

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Makefile

# 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>
#
SHELL := /bin/bash
CC := gcc
BEAR := bear
CCLSFILE := compile_commands.json
DEPFILE := make.deps
BINDIR := ./bin
SRCDIR := ./src
OBJDIR := ./obj
INCDIR := ./include
LIBDIR := ./lib
LIBSRCDIR := ./libsrc
LDFLAGS := -L$(LIBDIR)
LIB := br_$(shell uname -m)
SLIB := $(LIBDIR)/lib$(LIB).a
DLIB := $(LIBDIR)/lib$(LIB).so
LIBSRC := $(wildcard $(LIBSRCDIR)/*.c)
LIBOBJ := $(patsubst %.c,%.o,$(LIBSRC))
SRC := $(wildcard $(SRCDIR)/*.c)
INC := $(wildcard $(SRCDIR)/*.h)
SRC_S := $(notdir $(SRC))
.SECONDEXPANSION:
OBJ=$(addprefix $(OBJDIR)/,$(SRC_S:.c=.o))
BIN=fen piece move eval brchess
LIBS = -l$(LIB) -lreadline -lncurses
CFLAGS += -std=gnu11
#CFLAGS += -O2
CFLAGS += -g
CFLAGS += -Wall
CFLAGS += -Wextra
CFLAGS += -march=native
CFLAGS += -Wmissing-declarations
##################################### DEBUG flags
CFLAGS += -DDEBUG # global
CFLAGS += -DDEBUG_DEBUG # enable log() functions
CFLAGS += -DDEBUG_POOL # memory pools management
CFLAGS += -DDEBUG_FEN # FEN decoding
CFLAGS += -DDEBUG_MOVE # move generation
CFLAGS += -DDEBUG_EVAL # eval functions
CFLAGS += -DDEBUG_PIECE # piece list management
#CFLAGS += -DDEBUG_BITS # bits functions (take care !)
#CFLAGS += -DDEBUG_EVAL # sleep 1 sec within main loop (SIGINTR test)
#CFLAGS += -DDEBUG_EVAL2 # eval 2
#CFLAGS += -DDEBUG_EVAL3 # eval 3
#CFLAGS += -DDEBUG_MEM # malloc
##################################### General targets
.PHONY: compile cflags all clean
compile: lib $(OBJ) $(BIN)
cflags:
@echo CFLAGS used: $(CFLAGS)
all: clean compile
clean:
rm -rf $(OBJ) core $(BIN)
##################################### Generate and include dependencies
.PHONY: deps cleandeps $(DEPFILE)
cleandeps:
rm -f $(DEPFILE)
deps: $(DEPFILE)
$(DEPFILE): $(SRC) $(INC)
@echo generating dependancies.
$(CC) -MM -MF $(DEPFILE) -I $(INCDIR) $(SRC)
#cp $@ $@.sav
sed -i "s|\(.*\.o\):|${OBJDIR}/\0:|" $@
include $(DEPFILE)
##################################### objects
.PHONY: obj
obj: $(OBJ)
#$(OBJ): $(OBJDIR)/%.o: $(SRCDIR)/%.c
# @mkdir -p $(@D)
# $(CC) -c $(CFLAGS) -o $@ $<
$(OBJDIR)/%.o: $(SRCDIR)/%.c
echo SRC_S=$(SRC_S)
echo O=$(OBJ)
mkdir -p $(@D)
@echo compiling A=$@ I=$<
$(CC) -c $(CFLAGS) -I $(INCDIR) -o $@ $<
##################################### binaries
#fen: CFLAGS+=-DBIN_$$@
#$(BIN): $$(subst $(OBJDIR)/$$@.o,,$(OBJ)) $(SRCDIR)/$$@.c
# @echo compiling $@.
# @$(CC) -DBIN_$@ $(CFLAGS) $^ $(LIBS) -o $@
# TODO: find a better dependancy graph
$(BIN): $$(subst $(OBJDIR)/$$@.o,,$(OBJ)) $(SRCDIR)/$$@.c
@echo compiling $@.
@echo NEED_TO_CHANGE_THIS=$^
$(CC) -DBIN_$@ $(CFLAGS) -I $(INCDIR) $^ $(LDFLAGS) $(LIBS) -o $@
#pool: CFLAGS+=-DPOOLBIN
#pool: $$(subst $(OBJDIR)/$$@.o,,$(OBJ)) $(SRCDIR)/$$@.c
# $(CC) $(CFLAGS) $^ -o $@
# piece: CFLAGS+=-DPIECEBIN
# piece: $$(subst $(OBJDIR)/$$@.o,,$(OBJ)) $(SRCDIR)/$$@.c
# $(CC) $(CFLAGS) $^ -o $@
# move: CFLAGS+=-DMOVEBIN
# move: $$(subst $(OBJDIR)/$$@.o,,$(OBJ)) $(SRCDIR)/$$@.c
# $(CC) $(CFLAGS) $^ -o $@
# debug: CFLAGS+=-DDEBUGBIN
# debug: $$(subst $(OBJDIR)/$$@.o,,$(OBJ)) $(SRCDIR)/$$@.c
# $(CC) $(CFLAGS) $^ -o $@
#.PHONY: bits
#bits2: src/bits.c
# $(CC) $(CFLAGS) -S $^ -o $@.s
# $(CC) $(CFLAGS) $^ -o $@
##################################### br library
.PHONY: cleanlib lib
cleanlib: clean
@$(RM) -f $(SLIB) $(DLIB) $(LIBOBJ)
lib: $(DLIB) $(SLIB)
$(SLIB): $(LIBOBJ)
@echo building $@ static library.
@mkdir -p $(LIBDIR)
@$(AR) $(ARFLAGS) -o $@ $^
$(DLIB): CFLAGS += -fPIC
$(DLIB): LDFLAGS += -shared
$(DLIB): $(LIBOBJ)
@echo building $@ shared library.
@mkdir -p $(LIBDIR)
@$(CC) $(LDFLAGS) $^ -o $@
.c.o:
@echo compiling $<.
@$(CC) -c $(CFLAGS) $(LDFLAGS) -I $(INCDIR) -o $@ $<