ifneq "" "$(wildcard /bin/mkdirs)"
  MKDIRS = /bin/mkdirs
else
  MKDIRS = /bin/mkdir -p
endif

AS = as
LD = ld
CC = clang
CPP = c++

PAX = /bin/pax
NASM = $(shell which nasm) -p $(SRCROOT)/autoconf.inc

CONFIG_OPTIMIZATION_LEVEL = -Oz

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

DIST_SUBDIRS += $(SUBDIRS)

#
# 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=

-include $(OBJROOT)/*.Makedep

$(OBJROOT)/%.o32: %.c
	@echo "\t[CC32] $<"
	@$(CC) $(CFLAGS) $(DEFINES) -c $(INC) -arch i386 $< -MM -M -o $@.Makedep
	@$(CC) $(CFLAGS) $(DEFINES) -c $(INC) -arch i386 $< -o $@ 

$(OBJROOT)/%.o64: %.c
	@echo "\t[CC64] $<"
	@$(CC) $(CFLAGS) $(DEFINES) -c $(INC) -arch x86_64 $< -MM -M -o $@.Makedep
	@$(CC) $(CFLAGS) $(DEFINES) -c $(INC) -arch x86_64 $< -o $@ 


$(OBJROOT)/%.o: %.c
	@echo "\t[CC] $<"
	@$(CC) $(CFLAGS) $(DEFINES) -c $(INC) $< -MM -M -o $@.Makedep
	@$(CC) $(CFLAGS) $(DEFINES) -c $(INC) $< -o $@ 

$(OBJROOT)/%.o: %.m
	@echo "\t[M] $<"
	@$(CC) $(CFLAGS) $(DEFINES) -c $(INC) $< -MM -M -o $@.Makedep
	@$(CC) $(CFLAGS) $(DEFINES) -c $(INC) $< -o $@ 

$(OBJROOT)/%.o: %.cpp
	@echo "\t[CPP] $<"
	@$(CPP) $(CPPFLAGS) $(CFLAGS) -c "$<" $(INC) -MM -M -o $@.Makedep
	@$(CPP) $(CPPFLAGS) $(CFLAGS) -c "$<" $(INC) -o $@ 

$(OBJROOT)/%.o: %.s
	@echo "\t[AS] $<"
	@$(CC) $(CPPFLAGS) -c $(INC) -arch i386 $< -MM -M -o $@.Makedep
	@$(CC) $(CPPFLAGS) -c $(INC) -arch i386 $< -o $@

# This breaks make, must use make all (FIXME)
$(DIRS_NEEDED):
	@echo "\t[MKDIR] $@"
	@$(MKDIRS) $@

# Recursive rules
RECURSIVE_TARGETS = all-recursive install-recursive
RECURSIVE_CLEAN_TARGETS = distclean-recursive clean-recursive
.PHONY: $(RECURSIVE_CLEAN_TARGETS) $(RECURSIVE_TARGETS)

$(RECURSIVE_TARGETS):
				@failcom='exit 1'; \
				target=`echo $@ | sed s/-recursive//`; \
				list='$(SUBDIRS)'; for subdir in $$list; do \
					echo ================= Making $$target in $$subdir =================; \
					(cd $$subdir && $(MAKE) $$target)						\
					|| eval $$failcom;					\
				done;

$(RECURSIVE_CLEAN_TARGETS):
				@failcom='exit 1'; \
				dot_seen=no; \
				case "$@" in \
					distclean-* | maintainer-clean-*) list='$(DIST_SUBDIRS)' ;; \
					*) list='$(SUBDIRS)' ;; \
				esac; \
				rev=''; for subdir in $$list; do \
					if test "$$subdir" = "."; then :; else \
						rev="$$subdir $$rev"; \
					fi; \
				done; \
				rev="$$rev ."; \
				target=`echo $@ | sed s/-recursive//`; \
				for subdir in $$rev; do \
					echo "Making $$target in $$subdir"; \
          if test "$$subdir" = "."; then \
            local_target="$$target-local"; \
          else \
            local_target="$$target"; \
          fi; \
					(cd $$subdir && $(MAKE) $$local_target) \
					|| eval $$failcom; \
				done


clean-dep:
	@rm -f $(OBJROOT)/*.Makedep


FIND_IGNORE := \( -name .git -o -name .svn \) -prune -o -name Cconfig -o

# clean: remove almost everything (execpt auto.conf, autoconf.h, autoconf.inc)
clean: clean-recursive clean-dep

distclean: distclean-recursive clean-dep clean-local
		@find . $(FIND_IGNORE) \
				\( -name '*.orig' -o -name '*.rej' -o -name '*~' \
				-o -name '*.bak' -o -name '#*#' -o -name '.*.orig' \
				-o -name '.*.rej' -o -size 0 \
				-o -name '*%' -o -name '.*.cmd' -o -name 'core' \) \
				-type f -print | xargs rm -f

install: install-recursive install-local

clean-local:

distclean-local:

install-local:

.DEFAULT_GOAL := all

# Local Variables:      #
# mode: Makefile        #
# tab-width: 2          #
# indent-tabs-mode: t 	#
# End:                  #
#
# vi: set noexpandtab ts=2 sw=2 sts=2: #