Differential D27300 Diff 79951 head/share/mk/dirdeps-targets.mk

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head/share/mk/dirdeps-targets.mk

	# $FreeBSD$			# $FreeBSD$
	# RCSid:			# RCSid:
	# $Id: dirdeps-targets.mk,v 1.9 2019/10/06 20:07:50 sjg Exp $			# $Id: dirdeps-targets.mk,v 1.22 2020/08/15 18:00:11 sjg Exp $
	#			#
	# @(#) Copyright (c) 2019 Simon J. Gerraty			# @(#) Copyright (c) 2019-2020 Simon J. Gerraty
	#			#
	# This file is provided in the hope that it will			# This file is provided in the hope that it will
	# be of use. There is absolutely NO WARRANTY.			# be of use. There is absolutely NO WARRANTY.
	# Permission to copy, redistribute or otherwise			# Permission to copy, redistribute or otherwise
	# use this file is hereby granted provided that			# use this file is hereby granted provided that
	# the above copyright notice and this notice are			# the above copyright notice and this notice are
	# left intact.			# left intact.
	#			#
	# Please send copies of changes and bug-fixes to:			# Please send copies of changes and bug-fixes to:
	# sjg@crufty.net			# sjg@crufty.net
	#			#

	##			##
	# This makefile is used to set initial DIRDEPS for top-level build			# This makefile is used to set initial DIRDEPS for top-level build
	# targets.			# targets.
	#			#
	# The basic idea is that we have a list of directories in			# The basic idea is that we have a list of directories in
	# DIRDEPS_TARGETS_DIRS which are relative to SRCTOP.			# DIRDEPS_TARGETS_DIRS which are relative to SRCTOP.
	# When asked to make 'foo' we look for any directory named 'foo'			# When asked to make 'foo' we look for any directory named 'foo'
	# under DIRDEPS_TARGETS_DIRS.			# under DIRDEPS_TARGETS_DIRS.
	# We then search those dirs for any Makefile.depend*			# We then search those dirs for any Makefile.depend*
	# Finally we select any that match conditions like REQUESTED_MACHINE			# Finally we select any that match conditions like REQUESTED_MACHINE
	# or TARGET_SPEC and initialize DIRDEPS accordingly.			# or TARGET_SPEC and initialize DIRDEPS accordingly.
	#			#
				# We will check each of the initial DIRDEPS for Makefile.dirdeps.options
				# and include any found.
				# This makes it feasible to tweak options like MK_DIRDEPS_CACHE
				# for a specific target.
				#
				# If MK_STATIC_DIRDEPS_CACHE is defined we will check if the
				# initial DIRDEPS has a static cache (Makefile.dirdeps.cache).
				# This only makes sense for seriously expensive targets.
				#

	.if ${.MAKE.LEVEL} == 0			.if ${.MAKE.LEVEL} == 0
	# pickup customizations			# pickup customizations
	.-include <local.dirdeps-targets.mk>			.-include <local.dirdeps-targets.mk>

	# for DIRDEPS_BUILD this is how we prime the pump			# for DIRDEPS_BUILD this is how we prime the pump
	DIRDEPS_TARGETS_DIRS ?= targets targets/pseudo			DIRDEPS_TARGETS_DIRS ?= targets targets/pseudo
	# these prefixes can modify how we behave			# these prefixes can modify how we behave
	# they need to be stripped when looking for target dirs			# they need to be stripped when looking for target dirs
	DIRDEPS_TARGETS_PREFIX_LIST ?= pkg- build-			DIRDEPS_TARGETS_PREFIX_LIST ?= pkg- build-

				# some .TARGETS need filtering
				DIRDEPS_TARGETS_FILTER += Nall

	# matching target dirs if any			# matching target dirs if any
	tdirs := ${.TARGETS:Nall:${DIRDEPS_TARGETS_PREFIX_LIST:@p@S,^$p,,@:ts:}:@t@${DIRDEPS_TARGETS_DIRS:@d@$d/$t@}@:@d@${exists(${SRCTOP}/$d):?$d:}@}			tdirs := ${.TARGETS:${DIRDEPS_TARGETS_FILTER:ts:}:${DIRDEPS_TARGETS_PREFIX_LIST:@p@S,^$p,,@:ts:}:@t@${DIRDEPS_TARGETS_DIRS:@d@$d/$t@}@:@d@${exists(${SRCTOP}/$d):?$d:}@}

	.if !empty(DEBUG_DIRDEPS_TARGETS)			.if !empty(DEBUG_DIRDEPS_TARGETS)
	.info tdirs=${tdirs}			.info tdirs=${tdirs}
	.endif			.endif

	.if !empty(tdirs)			.if !empty(tdirs)
	# some things we know we want to ignore			# some things we know we want to ignore
	DIRDEPS_TARGETS_SKIP_LIST += \			DIRDEPS_TARGETS_SKIP_LIST += \
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	.if !empty(DEBUG_DIRDEPS_TARGETS)			.if !empty(DEBUG_DIRDEPS_TARGETS)
	.for x in tdeps ptdeps mqtdeps tqtdeps DIRDEPS			.for x in tdeps ptdeps mqtdeps tqtdeps DIRDEPS
	.info $x=${$x}			.info $x=${$x}
	.endfor			.endfor
	.endif			.endif
	.endif			.endif
	# if we got DIRDEPS get to work			# if we got DIRDEPS get to work
	.if !empty(DIRDEPS)			.if !empty(DIRDEPS)
				DIRDEPS.dirs := ${DIRDEPS:S,^,${SRCTOP}/,:@d@${exists($d):?$d:${d:R}}@}
				# some targets what to tweak options we might want to process now
				.for m in ${DIRDEPS.dirs:S,$,/Makefile.dirdeps.options,}
				.-include <$m>
				.endfor
				.if defined(MK_STATIC_DIRDEPS_CACHE)
				# some targets are very expensive to compute dirdeps for
				# so we may have a static cache
				.for c in ${DIRDEPS.dirs:S,$,/Makefile.dirdeps.cache,}
				.if exists($c)
				STATIC_DIRDEPS_CACHE ?= $c
				.if ${MK_STATIC_DIRDEPS_CACHE} == "yes"
				DIRDEPS_CACHE ?= $c
				MK_DIRDEPS_CACHE = yes
				.endif
				.endif
				.endfor
				.if defined(STATIC_DIRDEPS_CACHE)
				.export STATIC_DIRDEPS_CACHE
				.endif
				.endif

				# allow a top-level makefile to do other stuff
				# before including dirdeps.mk
				.if ${MK_DIRDEPS_TARGETS_INCLUDE_DIRDEPS:Uyes} == "yes"
	.include <dirdeps.mk>			.include <dirdeps.mk>
				.endif

	DIRDEPS_TARGETS_SKIP += all clean* destroy*			DIRDEPS_TARGETS_SKIP += all clean* destroy*

	.for t in ${.TARGETS:${DIRDEPS_TARGETS_SKIP:${M_ListToSkip}}}			.for t in ${.TARGETS:${DIRDEPS_TARGETS_SKIP:${M_ListToSkip}}}
	$t: dirdeps			$t: dirdeps
	.endfor			.endfor
	.endif			.endif
	.endif			.endif