#
# Copyright (c) 1994-1996, 1998, 1999 University of Utah and the Flux Group.
# All rights reserved.
# 
# This file is part of the Flux OSKit.  The OSKit is free software, also known
# as "open source;" you can redistribute it and/or modify it under the terms
# of the GNU General Public License (GPL), version 2, as published by the Free
# Software Foundation (FSF).  To explore alternate licensing terms, contact
# the University of Utah at csl-dist@cs.utah.edu or +1-801-585-3271.
# 
# The OSKit 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 GPL for more details.  You should have
# received a copy of the GPL along with the OSKit; see the file COPYING.  If
# not, write to the FSF, 59 Temple Place #330, Boston, MA 02111-1307, USA.
#

#### Start of configuration section ####

OSKIT_SRCDIR	= @top_srcdir@
OBJDIR		= .

prefix		= @prefix@
exec_prefix	= @exec_prefix@

include $(OBJDIR)/Makeconf

SUBDIRS		= $(filter-out $(OSKIT_EXCLUDED_SUBDIRS),@oskit_subdirs@)

##### End of configuration section #####

# Get rid of a bunch of nasty built-in implicit rules.
.SUFFIXES:

# How to recursively descend into subdirectories to make general targets such as `all'.
%.MAKE:
	@$(MAKE) -C $(dir $@) $(basename $(notdir $@))
%-subdirs: $(addsuffix /%.MAKE,$(SUBDIRS)) ;

# By default, make any target by descending into subdirectories.
%: %-subdirs ;

all: all-subdirs

clean: clean-subdirs
	rm -rf lib

# This target "prepares" the tree by building any machine-generated
# source files, creating links into the source tree, etc.
# (Used by Knit)
.PHONY: prepare
prepare:: prepare-subdirs

distclean: distclean-subdirs
	rm -rf lib GNUmakefile Makeconf config.status config.cache config.log \
		$(addsuffix /GNUmakefile,$(SUBDIRS)) boot/bsd/mkbsdimage


# For testing
check:
	$(MAKE) -C testsuite $@
testsum:
	@$(MAKE) --no-print-directory -C testsuite $@


# Make directories that have to happen first dependencies of all others,
# and directories that have to happen lest dependent on all others.
# Thus parallelism (-j) will not barf.
FIRST_SUBDIRS = oskit flask
LAST_SUBDIRS = boot/% examples/%

$(patsubst %,%/all.MAKE,$(filter-out $(FIRST_SUBDIRS),$(SUBDIRS))): $(FIRST_SUBDIRS:%=%/all.MAKE)
$(patsubst %,%/all.MAKE,$(filter $(LAST_SUBDIRS),$(SUBDIRS))): $(patsubst %,%/all.MAKE,$(filter-out $(LAST_SUBDIRS),$(SUBDIRS)))

# The libc and freebsd/libc directories depend on posix/sys being built first.
libc/all.MAKE freebsd/libc/all.MAKE: posix/sys/all.MAKE
# The freebsd/libc_r directory depends on posix/sys_r being built first.
freebsd/libc_r/all.MAKE: posix/sys_r/all.MAKE

debug:
	@echo SUBDIRS = $(SUBDIRS)