###############################################################################
# Date:     Fri Oct 26 01:41:14 CDT 2007
# Author:   John Quigley <jquigley@jquigley.com>
# Revision: $Id$
#
# 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/>.
###############################################################################

SHELL   = /bin/sh
CC      = gcc
LEX     = flex
LFLAGS  = --nounput
YACC    = bison
YFLAGS  = -dy
CTAGS   = ctags -x > tags

DEFS    = -DDEBUG_WHITE
FLAGS   = -O2 -Wall -std=c99 -g
CFLAGS  = $(FLAGS) $(DEFS) -I.
LDLIBS  = -lfl -lgc
LDFLAGS = $(FLAGS)

prefix  = /usr/local
bindir  = $(prefix)/bin

.SUFFIXES:
.SUFFIXES: .c .o .l .y

##### End of system configuration section. #####

FRONTEND_OBJS =  $(addprefix frontend/, parse.o scan.o main.o)
FRONTEND_SRCS =  $(addprefix frontend/, parse.c scan.c main.c)

PARSESCAN_SRCS = $(addprefix frontend/, scan.c scan.h parse.c parse.h)
LEXYACC_SRCS = $(addprefix frontend/, scan.l parse.y)

CORE_OBJS = $(addprefix core/, util.o hbgc.o object.o boolean.o list.o ast.o \
				)
CORE_SRCS = $(addprefix core/, util.c hbgc.c object.c boolean.c list.c ast.c \
				)

BINS = white
OBJS = $(FRONTEND_OBJS) $(CORE_OBJS)
SRCS = $(FRONTEND_SRCS) $(CORE_SRCS)

##### Phony rules

.PHONY: 	all
all: 		white

.PHONY: 	tags
tags: 		$(SRCS)
			$(CTAGS) $(SRCS)

.PHONY: 	clean
clean:
			rm -rf white
			rm -rf $(FRONTEND_OBJS) $(PARSESCAN_SRCS)
			rm -rf $(CORE_OBJS)

##### Producer rules

$(BINS): 	$(OBJS)
			$(CC) $(LDFLAGS) -o $@ $^ $(LDLIBS)

$(PARSESCAN_SRCS): $(LEXYACC_SRCS)
			$(LEX) $(LFLAGS) --outfile=scan.c --header-file=scan.h frontend/scan.l
			mv -f scan.c frontend
			mv -f scan.h frontend
			sed -i '28i#include "frontend/parse.h"' frontend/scan.h
			$(YACC) $(YFLAGS) -o parse.c frontend/parse.y
			mv -f parse.c frontend
			mv -f parse.h frontend

# EOF