156 lines
3.6 KiB
Makefile
156 lines
3.6 KiB
Makefile
# Makefile - GNU make only.
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#
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# Copyright (C) 2021-2023 Bruno Raoult ("br")
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# Licensed under the GNU General Public License v3.0 or later.
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# Some rights reserved. See COPYING.
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#
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# You should have received a copy of the GNU General Public License along with this
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# program. If not, see <https://www.gnu.org/licenses/gpl-3.0-standalone.html>.
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#
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# SPDX-License-Identifier: GPL-3.0-or-later <https://spdx.org/licenses/GPL-3.0-or-later.html>
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#
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SHELL := /bin/bash
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CC := gcc
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BEAR := bear
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CCLSFILE := compile_commands.json
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BINDIR := ./bin
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SRCDIR := ./src
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OBJDIR := ./obj
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INCDIR := ./include
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LIBDIR := ./lib
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LIBSRCDIR := ./libsrc
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LDFLAGS := -L$(LIBDIR)
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LIB := br_$(shell uname -m)
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SLIB := $(LIBDIR)/lib$(LIB).a
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DLIB := $(LIBDIR)/lib$(LIB).so
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LIBSRC := $(wildcard $(LIBSRCDIR)/*.c)
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LIBOBJ := $(patsubst %.c,%.o,$(LIBSRC))
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SRC := $(wildcard $(SRCDIR)/*.c)
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INC := $(wildcard $(SRCDIR)/*.h)
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SRC_S := $(notdir $(SRC))
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BIN=fen piece move eval brchess
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LIBS = -l$(LIB) -lreadline -lncurses
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CFLAGS += -std=gnu11
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#CFLAGS += -O2
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CFLAGS += -g
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CFLAGS += -Wall
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CFLAGS += -Wextra
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CFLAGS += -march=native
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CFLAGS += -Wmissing-declarations
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##################################### DEBUG flags
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CPPFLAGS = -I$(INCDIR)
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CPPFLAGS += -DDEBUG # global
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CPPFLAGS += -DDEBUG_DEBUG # enable log() functions
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CPPFLAGS += -DDEBUG_POOL # memory pools management
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CPPFLAGS += -DDEBUG_FEN # FEN decoding
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CPPFLAGS += -DDEBUG_MOVE # move generation
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CPPFLAGS += -DDEBUG_EVAL # eval functions
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CPPFLAGS += -DDEBUG_PIECE # piece list management
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##################################### General targets
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.PHONY: compile cflags all clean cleanall
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compile: libs objects bin
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cflags:
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@echo CFLAGS: "$(CFLAGS)"
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@echo CPPFLAGS: $(CPPFLAGS)
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@echo DEPFLAGS: $(DEPFLAGS)
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@echo LDFLAGS: $(LDFLAGS)
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all: clean compile
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clean: cleanobj cleanbin
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cleanall: clean cleandeps cleanlib
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##################################### Dependencies
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.PHONY: deps cleandeps
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DEPDIR := ./.deps
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DEPFILES := $(addprefix $(DEPDIR)/,$(SRC_S:.c=.d))
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DEPFLAGS = -MT $@ -MMD -MP -MF $(DEPDIR)/$*.d
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$(DEPFILES):
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include $(wildcard $(DEPFILES))
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$(DEPDIR):
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@echo creating $@ directory.
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@mkdir -p $@
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cleandeps:
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$(RM) -rf $(DEPDIR)
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##################################### objects
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.SECONDEXPANSION:
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OBJ=$(addprefix $(OBJDIR)/,$(SRC_S:.c=.o))
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.PHONY: cleanobj
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objects: $(OBJ)
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cleanobj:
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$(RM) -rf $(OBJDIR)
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$(OBJDIR):
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@echo creating $@ directory.
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@mkdir -p $@
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$(OBJDIR)/%.o: $(SRCDIR)/%.c $(DEPDIR)/%.d | $(OBJDIR) $(DEPDIR)
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@echo compiling $<.
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@$(CC) -c $(CPPFLAGS) $(CFLAGS) $(DEPFLAGS) -I $(INCDIR) -o $@ $<
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##################################### binaries
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.PHONY: bin cleanbin
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bin: $(BIN)
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cleanbin:
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$(RM) -f $(BIN)
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# TODO: find a better dependancy graph
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$(BIN): $$(subst $(OBJDIR)/$$@.o,,$(OBJ)) $(SRCDIR)/$$@.c
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@echo generating $@.
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@#echo NEED_TO_CHANGE_THIS=$^
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@$(CC) -DBIN_$@ $(CFLAGS) -I $(INCDIR) $^ $(LDFLAGS) $(LIBS) -o $@
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##################################### br library
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.PHONY: cleanlib libs
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ARFLAGS = r
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cleanlib:
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$(RM) -rf $(LIBDIR) $(LIBOBJ)
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$(LIBDIR):
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@echo creating $@ directory.
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@mkdir -p $@
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libs: $(DLIB) $(SLIB) | $(LIBDIR)
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# remove default rule
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%.o: %.c
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$(LIBSRCDIR)/%.o: $(LIBSRCDIR)/%.c
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@echo compiling library $< "->" $@.
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@$(CC) -c $(CPPFLAGS) $(CFLAGS) -I $(INCDIR) -o $@ $<
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$(SLIB): $(LIBOBJ) | $(LIBDIR)
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@echo building $@ static library.
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@$(AR) $(ARFLAGS) -o $@ $^
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$(DLIB): CFLAGS += -fPIC
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$(DLIB): LDFLAGS += -shared
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$(DLIB): $(LIBOBJ) | $(LIBDIR)
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@echo building $@ shared library.
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@$(CC) $(LDFLAGS) $^ -o $@
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