1# SPDX-License-Identifier: BSD-2-Clause 2# 3# $Id: meta.subdir.mk,v 1.15 2024/04/19 15:10:22 sjg Exp $ 4 5# 6# @(#) Copyright (c) 2010, Simon J. Gerraty 7# 8# This file is provided in the hope that it will 9# be of use. There is absolutely NO WARRANTY. 10# Permission to copy, redistribute or otherwise 11# use this file is hereby granted provided that 12# the above copyright notice and this notice are 13# left intact. 14# 15# Please send copies of changes and bug-fixes to: 16# sjg@crufty.net 17# 18 19.if !defined(NO_SUBDIR) && !empty(SUBDIR) 20.if make(destroy*) || make(clean*) 21.MAKE.MODE = compat 22.if !commands(obj) 23.-include <bsd.obj.mk> 24.endif 25.elif ${.MAKE.LEVEL} == 0 26 27.MAIN: all 28 29.if !exists(${.CURDIR}/${.MAKE.DEPENDFILE:T}) || make(gendirdeps) 30# start with this 31DIRDEPS = ${SUBDIR:N.WAIT:O:u:@d@${RELDIR}/$d@} 32 33.if make(gendirdeps) 34.include <meta.autodep.mk> 35.else 36# this is the cunning bit 37# actually it is probably a bit risky 38# since we may pickup subdirs which are not relevant 39# the alternative is a walk through the tree though 40# which is difficult without a sub-make. 41 42.if defined(BOOTSTRAP_DEPENDFILES) 43_find_name = ${.MAKE.MAKEFILE_PREFERENCE:@m@-o -name $m@:S,^-o,,1} 44DIRDEPS = ${_subdeps:H:O:u:@d@${RELDIR}/$d@} 45.elif ${.MAKE.DEPENDFILE:E} == ${MACHINE} && defined(ALL_MACHINES) 46# we want to find Makefile.depend.* ie for all machines 47# and turn the dirs into dir.<machine> 48_find_name = -name '${.MAKE.DEPENDFILE:T:R}*' 49DIRDEPS = ${_subdeps:O:u:${NIgnoreFiles}:@d@${RELDIR}/${d:H}.${d:E}@:S,.${MACHINE}$,,:S,.depend$,,} 50.else 51# much simpler 52_find_name = -name ${.MAKE.DEPENDFILE:T} 53.if ${.MAKE.DEPENDFILE:E} == ${MACHINE} 54_find_name += -o -name ${.MAKE.DEPENDFILE:T:R} 55.endif 56DIRDEPS = ${_subdeps:H:O:u:@d@${RELDIR}/$d@} 57.endif 58 59_subdeps != cd ${.CURDIR} && \ 60 find ${SUBDIR:N.WAIT} -type f \( ${_find_name} \) -print -o \ 61 -name .svn -prune 2> /dev/null; echo 62 63.if empty(_subdeps) 64DIRDEPS = 65.else 66# clean up if needed 67DIRDEPS := ${DIRDEPS:S,^./,,:S,/./,/,g:${SUBDIRDEPS_FILTER:Uu}} 68.endif 69# we just dealt with it, if we leave it defined, 70# dirdeps.mk will compute some interesting combinations. 71.undef ALL_MACHINES 72 73.include <dirdeps.mk> 74.endif 75.endif 76.else 77all: .PHONY 78.endif 79 80.endif 81