# Hey Emacs, this is a -*- makefile -*-
#
#   Copyright (C) 2006 Pascal Brisset, Antoine Drouin
#
# This file is part of paparazzi.
#
# paparazzi 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, or (at your option)
# any later version.
#
# paparazzi 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 paparazzi; see the file COPYING.  If not, write to
# the Free Software Foundation, 59 Temple Place - Suite 330,
# Boston, MA 02111-1307, USA.
#

#
# This is the common Makefile for the sim target.
#

# this should not be needed
SRC_ARCH = arch/sim

include $(PAPARAZZI_SRC)/sw/Makefile.ocaml

CC = gcc
SIMDIR = $(PAPARAZZI_SRC)/sw/simulator
CAMLINCLUDES = -I $(LIBPPRZDIR) -I $(SIMDIR) -I $(OBJDIR)
PKG = -package glibivy,pprz
LINKPKG = $(PKG) -linkpkg -dllpath-pkg pprz
SIMSITLML = $(OBJDIR)/simsitl.ml
MYGTKINITCMO = myGtkInit.cmo
SITLCMA = $(SIMDIR)/sitl.cma

# Launch with "make Q=''" to get full command display
Q=@

#
# End of configuration part.
#

LBITS := $(shell getconf LONG_BIT)
ifeq ($(LBITS),64)
  FPIC = -fPIC
else
  FPIC =
endif

INCLUDES += -I `ocamlc -where`

CFLAGS  = -W -Wall
CFLAGS += $(INCLUDES)
CFLAGS += $($(TARGET).CFLAGS)
CFLAGS += $(LOCAL_CFLAGS)
CFLAGS += $(FPIC)
CFLAGS += -O2
CFLAGS += -g
CFLAGS += -std=gnu99

LDFLAGS		=	-lm


#
# General rules
#

$(TARGET).srcsnd = $(notdir $($(TARGET).srcs))
$(TARGET).objso	= $($(TARGET).srcs:%.c=$(OBJDIR)/%.o)
$(TARGET).objs	= $($(TARGET).objso:%.S=$(OBJDIR)/%.o)

all compile: $(OBJDIR)/simsitl

# shared library of the C autopilot part
autopilot.so : $($(TARGET).objs)
	@echo BUILD $@
	$(Q)$(CC) -shared -o $(OBJDIR)/$@ $^

$(OBJDIR)/simsitl : autopilot.so $(SITLCMA) $(SIMSITLML)
	@echo LD $@
	$(Q)$(OCAMLC) -g $(CAMLINCLUDES) -o $@ $(LINKPKG) $(MYGTKINITCMO) $^ -dllpath $(OBJDIR) -dllpath $(SIMDIR)


# The id of the A/C is hardcoded in the code (to be improved with dynlink ?)
$(SIMSITLML) : $(SIMDIR)/simsitl.ml
	@echo "Sim.ac_name := \"$(AIRCRAFT)\"" > $@
	@cat $< >> $@

%.s: %.c
	$(CC) $(CFLAGS) -S -o $@ $<

%.s: %.cpp
	$(CC) $(CFLAGS) -S -o $@ $<

$(OBJDIR)/%.s: %.c
	@echo CC $@
	$(Q)test -d $(dir $@) || mkdir -p $(dir $@)
	$(CC) $(CFLAGS) -S -o $@ $<

$(OBJDIR)/%.s: %.cpp
	@echo CC $@
	$(Q)test -d $(dir $@) || mkdir -p $(dir $@)
	$(CC) $(CFLAGS) -S -o $@ $<

$(OBJDIR)/%.o: %.c $(OBJDIR)/../Makefile.ac
	@echo CC $@
	$(Q)test -d $(dir $@) || mkdir -p $(dir $@)
	$(Q)$(CC) $(CFLAGS) -c -o $@ $<

$(OBJDIR)/%.o: %.cpp $(OBJDIR)/../Makefile.ac
	@echo CC $@
	$(Q)test -d $(dir $@) || mkdir -p $(dir $@)
	$(Q)$(CC) $(CFLAGS) -c -o $@ $<

.PHONY: all compile

#
# Dependencies
#
$(OBJDIR)/.depend:
	@test -d $(OBJDIR) || mkdir -p $(OBJDIR)
	@echo DEPEND $@
	$(Q)$(CC) -MM -MG $(CFLAGS) $($(TARGET).srcs) | sed 's|\([^\.]*\.o\)|$(OBJDIR)/\1|' > $@

ifneq ($(MAKECMDGOALS),clean)
-include $(OBJDIR)/.depend
endif