#
# Copyright (c) 1999, 2001-2003 Silicon Graphics, Inc.  All Rights Reserved.
#
# 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, see <http://www.gnu.org/licenses/>.
#
ifndef _BUILDRULES_INCLUDED_
_BUILDRULES_INCLUDED_ = 1

include $(TOPDIR)/include/builddefs

clean clobber : $(addsuffix -clean,$(SUBDIRS))
	rm -f $(DIRT)
	@rm -fr .libs

%-clean:
	$(MAKE) -C $* clean

# Never blow away subdirs
ifdef SUBDIRS
.PRECIOUS: $(SUBDIRS)
.PHONY: $(SUBDIRS)

$(SUBDIRS):
	$(MAKE) -C $@
endif

#
# Standard targets
#

ifdef LTCOMMAND
$(LTCOMMAND) : $(SUBDIRS) $(OBJECTS) $(LTDEPENDENCIES)
	$(LTLINK) -o $@ $(LDFLAGS) $(OBJECTS) $(LDLIBS)
endif

ifdef LTLIBRARY
$(LTLIBRARY) : $(SUBDIRS) $(LTOBJECTS)
	$(LTLINK) $(LTLDFLAGS) -o $(LTLIBRARY) $(LTOBJECTS) $(LTLIBS)

%.lo: %.c
	$(LTCOMPILE) -c $<
endif

ifdef POTHEAD
%.pot: $(XGETTEXTFILES)
	$(XGETTEXT) --language=C --keyword=_ -o $@ $(XGETTEXTFILES)

# Generate temp .po files, to check whether translations need updating.
# Not by default, due to gettext output differences between versions.
%.po: $(POTHEAD)
#	$(MSGMERGE) -o $@.tmpo $@ $(POTHEAD)
#	if ! diff $@.tmpo $@ >/dev/null; then echo "$@ dated, see $@.tmpo"; fi

%.mo: %.po
	$(MSGFMT) -o $@ $<
endif

source :
	$(SOURCE_MAKERULE)

endif # _BUILDRULES_INCLUDED_

$(_FORCE):

.PHONY : depend

DEPENDSCRIPT := $(MAKEDEPEND) $(DEPENDFLAGS) -f - -- $(CFLAGS) -- $(CFILES) | \
	$(SED) -e 's,`pwd`,$(TOPDIR),g' \
	    -e 's,  */[^ ]*,,g' \
	    -e '/^[^ ]*: *$$/d' \
	    -e '/^ *$$/d'

ifdef LTLIBRARY
DEPENDSCRIPT := $(DEPENDSCRIPT) | $(SED) -e 's,^\([^:]*\)\.o,\1.lo,'
endif

depend : $(CFILES) $(HFILES) $(addsuffix -depend,$(SUBDIRS))
	$(DEPENDSCRIPT) > .dep
	test -s .dep || rm -f .dep

%-depend:
	$(MAKE) -C $* depend

# Include dep, but only if it exists
ifeq ($(shell test -f .dep && echo .dep), .dep)
include .dep
else
ifdef LTLIBRARY
$(LTOBJECTS): $(HFILES)
else
$(OBJECTS): $(HFILES)
endif
endif
