rename to brchess

Makefile

@@ -1,44 +1,56 @@
 # Makefile - GNU make only.
 #
-# Copyright (C) 2021 Bruno Raoult ("br")
+# 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.htmlL>.
+#
+# 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>
 #
 
-BINDIR := ./bin
-SRCDIR := ./src
-OBJDIR := ./obj
-DEPS   := make.deps
+SHELL     := /bin/bash
+CC        := gcc
+BEAR      := bear
+CCLSFILE  := compile_commands.json
+DEPFILE   := make.deps
 
-SRC=$(wildcard $(SRCDIR)/*.c)
-INC=$(wildcard $(SRCDIR)/*.h)
-SRC_S=$(notdir $(SRC))
+BINDIR    := ./bin
+SRCDIR    := ./src
+OBJDIR    := ./obj
+INCDIR    := ./include
+LIBDIR    := ./lib
+LIBSRCDIR := ./libsrc
+LDFLAGS   := -L$(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))
 
-CC=gcc
+SRC       := $(wildcard $(SRCDIR)/*.c)
+INC       := $(wildcard $(SRCDIR)/*.h)
+SRC_S     := $(notdir $(SRC))
 
 .SECONDEXPANSION:
 OBJ=$(addprefix $(OBJDIR)/,$(SRC_S:.c=.o))
-BIN=fen pool piece move debug eval bits bodichess
+BIN=fen piece move eval brchess
 
-LIBS   = -lreadline -lncurses
-CFLAGS += -std=gnu99
+LIBS   = -l$(LIB) -lreadline -lncurses
+
+CFLAGS += -std=gnu11
 
 #CFLAGS += -O2
 CFLAGS += -g
 CFLAGS += -Wall
 CFLAGS += -Wextra
 CFLAGS += -march=native
-#CFLAGS += -pedantic
-#CFLAGS += -Wno-pointer-arith
-#CFLAGS += -Werror
 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
@@ -51,33 +63,50 @@ CFLAGS += -DDEBUG_PIECE             # piece list management
 #CFLAGS += -DDEBUG_EVAL3            # eval 3
 #CFLAGS += -DDEBUG_MEM              # malloc
 
-.PHONY: all cflags clean
+##################################### General targets
+.PHONY: compile cflags all clean
 
-compile: cflags $(OBJ) $(BIN)
+compile: lib $(OBJ) $(BIN)
 
 cflags:
 	@echo CFLAGS used: $(CFLAGS)
 
 all: clean compile
 
-$(DEPS): $(SRC) $(INC)
-	@echo generating dependancies.
-	@$(CC) -MM $(SRC) > $@
-	@sed -i "s|\(.*\.o\):|${OBJDIR}/\0:|" $@
-
-include $(DEPS)
-
 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:
-	@mkdir -p $(@D)
-	@echo compiling $@.
-	@$(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 $@.
@@ -87,7 +116,7 @@ $(OBJDIR)/%.o:
 $(BIN): $$(subst $(OBJDIR)/$$@.o,,$(OBJ)) $(SRCDIR)/$$@.c
 	@echo compiling $@.
 	@echo NEED_TO_CHANGE_THIS=$^
-	@$(CC) -DBIN_$@ $(CFLAGS) $^ $(LIBS) -o $@
+	$(CC) -DBIN_$@ $(CFLAGS) -I $(INCDIR) $^ $(LDFLAGS) $(LIBS) -o $@
 
 #pool: CFLAGS+=-DPOOLBIN
 #pool: $$(subst $(OBJDIR)/$$@.o,,$(OBJ)) $(SRCDIR)/$$@.c
@@ -109,3 +138,27 @@ $(BIN): $$(subst $(OBJDIR)/$$@.o,,$(OBJ)) $(SRCDIR)/$$@.c
 #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 $@ $<