-include $(SRCROOT)/auto.conf

export USE_APPLE_PB_SUPPORT = all
	

ifneq "" "$(wildcard /bin/mkdirs)"
  MKDIRS = /bin/mkdirs
else
  MKDIRS = /bin/mkdir -p
endif
AS = as
LD = ld
CC = cc
CPP = g++
PAX = /bin/pax
NASM = $(shell which nasm) -p $(SRCROOT)/autoconf.inc


CFLAGS	= $(CONFIG_OPTIMIZATION_LEVEL) -g -Wmost -Werror
CPPFLAGS = $(MORECPP) -g -Wmost -Werror -fno-exceptions -fno-rtti
DEFINES=


#
# Common makefile targets.
#
# Define these variables (if desired) in directory makefiles:
#	DIRS_NEEDED
#	INSTALLDIR
#	SRCROOT
#

# Toggle this as to whether you want a frame pointer (%ebp) to be used. It is
# invaluable for debugging the booter. For example using GDB attached to VMware.
# In fact, it's so invaluable that it's now the default.  Not only that but the
# compiler seems to generate slightly smaller code and the real<->prot code
# clearly handles it appropriately so I have no idea why Apple omitted it.
#OMIT_FRAME_POINTER_CFLAG=-fomit-frame-pointer
OMIT_FRAME_POINTER_CFLAG=


$(OBJROOT)/%.o: %.c
	@echo "\t[CC] $<"
	@$(CC) $(CFLAGS) $(DEFINES) -c $(INC) $< -o $@ \
	    -MD -dependency-file $(OBJROOT)/$*.d
	@md -u $(OBJROOT)/Makedep -f -d $(OBJROOT)/$*.d

$(OBJROOT)/%.o32: %.c
	@echo "\t[CC32] $<"
	@$(CC) $(CFLAGS) $(DEFINES) -c $(INC) -arch i386 $< -o $@ \
	    -MD -dependency-file $(OBJROOT)/$*.d
	@md -u $(OBJROOT)/Makedep -f -d $(OBJROOT)/$*.d

$(OBJROOT)/%.o64: %.c
	@echo "\t[CC64] $<"
	@$(CC) $(CFLAGS) $(DEFINES) -c $(INC) -arch x86_64 $< -o $@ \
	    -MD -dependency-file $(OBJROOT)/$*.d
	@md -u $(OBJROOT)/Makedep -f -d $(OBJROOT)/$*.d

$(OBJROOT)/%.o: %.m
	@echo "\t[M] $<"
	@$(CC) $(CFLAGS) $(DEFINES) -c $(INC) $< -o $@ \
	    -MD -dependency-file $(OBJROOT)/$*.d
	@md -u $(OBJROOT)/Makedep -f -d $(OBJROOT)/$*.d

$(OBJROOT)/%.o: %.cpp
	@echo "\t[CPP] $<"
	@$(CPP) $(CPPFLAGS) $(CFLAGS) -c "$<" $(INC) -o $@ \
	    -MD -dependency-file $(OBJROOT)/$*.d
	@md -u $(OBJROOT)/Makedep -f -d $(OBJROOT)/$*.d

$(OBJROOT)/boot2.o:
	@echo "\t[AS] boot2.s"
	@$(CC) -Wa,-n -c $(INC) -arch i386 -o $(OBJROOT)/$(@F) boot2.s \
		    -MD -dependency-file $*.d
	@md -u $(OBJROOT)/Makedep -f -d $*.d
	
$(OBJROOT)/%.o: %.s
	@echo "\t[AS] $<"
	@$(CC) $(CPPFLAGS) -c $(INC) -arch i386 -o $@ $< \
		    -MD -dependency-file $*.d
	@md -u $(OBJROOT)/Makedep -f -d $*.d



# This breaks make, must use make all (FIXME)
$(DIRS_NEEDED) $(INSTALLDIR) $(OBJROOT) $(SYMROOT):
	@echo "\t[MKDIR] $@"
	@$(MKDIRS) $@
	
$(SRCROOT)/auto.conf $(SRCROOT)/autoconf.h $(SRCROOT)/.config:
	@echo "\t[MAKE] config"
	@cd $(SRCROOT) && make rebuild_config

.PHONY: clean
clean:
	@echo "\t[RM] $(OBJROOT)"
	@echo "\t[RM] $(SYMROOT)"
	@echo "\t[RM] $(DSTROOT)"
	@echo "\t[RM] $(SRCROOT)/revision"
	@echo "\t[RM] $(SRCROOT)/i386/modules/module_includes"
	@echo "\t[RM] $(SRCROOT)/auto.conf"
	@echo "\t[RM] $(SRCROOT)/autoconf.h"
	@echo "\t[RM] $(SRCROOT)/autoconf.inc"

	@rm -rf $(OBJROOT) $(SYMROOT) $(DSTROOT) $(SRCROOT)/revision \
			$(SRCROOT)/i386/modules/module_includes \
			$(SRCROOT)/auto.conf \
			$(SRCROOT)/autoconf.h \
			$(SRCROOT)/autoconf.inc


.DEFAULT_GOAL := all