## Copyright (C) 2014-2016
##     Olivier Gayot <ogayot@baylibre.com>
##     Bartosz Golaszewski <bgolaszewski@baylibre.com>
##     Olivier Gayot <olivier.gayot@sigexec.com>
##
## 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 2 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, write to the Free Software Foundation, Inc.,
## 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.

CC		= $(CROSS_COMPILE)gcc
USERFLAGS	=
CFLAGS		+= -I./include -I/usr/local/include -W -Wall -Wextra
CFLAGS		+= -D_GNU_SOURCE $(USERFLAGS)
LDFLAGS 	+= -L./lib -L/usr/local/lib -lwebsockets -lconfig $(USERFLAGS)
PROGNAME	= caod
OBJS		= daemon.o log.o misc.o

ifdef DEBUG
CFLAGS += -g$(DEBUG) -D CONFIG_DEBUG -O0
else
CFLAGS += -O2
endif

all: $(PROGNAME)

$(PROGNAME): $(OBJS)
	$(CC) -o $@ $(OBJS) $(LDFLAGS)

clean:
	$(RM) $(OBJS)
	$(RM) $(PROGNAME)

mrproper: clean

help:
	@echo "CAO daemon Makefile targets:"
	@echo
	@echo "Build:"
	@echo "  all\t\t- build all cao objects, libraries and executables,"
	@echo
	@echo "Cleaning:"
	@echo "  clean\t\t- remove caod objects and executables,"
	@echo "  libclean\t- remove external library build files,"
	@echo "  mrproper\t- clean everything,"
	@echo
	@echo "Makefile variables:"
	@echo "  CROSS_COMPILE\t- cross-toolchain prefix,"
	@echo "  ARCH\t\t- build architecture,"
	@echo "  DEBUG\t\t- compile additional debug messages and pass the -g"
	@echo "  \t\t  flag to gcc, you can also specify a level for said flag,"
	@echo

.PHONY:		all clean mrproper help
.PRECIOUS:	%.c
.SUFFIXES:
.SUFFIXES:	.o .c
.DEFAULT_GOAL	:=
.DEFAULT_GOAL	:= all

.c.o:
	$(CC) -c -o $*.o $(CFLAGS) $(DEBUGFLAGS) $*.c