diff options
Diffstat (limited to 'contrib/bmake/mk/gendirdeps.mk')
| -rw-r--r-- | contrib/bmake/mk/gendirdeps.mk | 44 |
1 files changed, 42 insertions, 2 deletions
diff --git a/contrib/bmake/mk/gendirdeps.mk b/contrib/bmake/mk/gendirdeps.mk index b977f3c48d99..5d54aa232152 100644 --- a/contrib/bmake/mk/gendirdeps.mk +++ b/contrib/bmake/mk/gendirdeps.mk @@ -1,5 +1,7 @@ -# $Id: gendirdeps.mk,v 1.46 2020/08/19 17:51:53 sjg Exp $ +# $Id: gendirdeps.mk,v 1.50 2023/11/04 16:47:34 sjg Exp $ +# SPDX-License-Identifier: BSD-2-Clause +# # Copyright (c) 2011-2020, Simon J. Gerraty # Copyright (c) 2010-2018, Juniper Networks, Inc. # All rights reserved. @@ -41,6 +43,37 @@ # symlink to another filesystem. # _objroot must be a prefix match for _objtop +# If any of GENDIRDEPS_FILTER, GENDIRDEPS_FILTER_DIR_VARS +# or GENDIRDEPS_FILTER_VARS are set, we use them to filter the +# output from filemon(4). +# Any references to variables that dirdeps.mk will set +# such as DEP_MACHINE, DEP_RELDIR etc, should use that form. +# Thus we want ${DEP_MACHINE} not ${MACHINE} used in DIRDEPS. +# +# If any manually maintained Makefile.depend files will use any +# DEP_* variables in conditionals, precautions are needed to avoid +# errors when Makefile.depend is read at level 1+ (ie not via +# dirdeps.mk) +# Using MACHINE as an example; such makefiles can do: +# +# DEP_MACHINE ?= ${MACHINE} +# .if ${DEP_MACHINE} == "xyz" +# +# or: +# +# .if ${DEP_MACHINE:U${MACHINE}} == "xyz" +# +# but it might be safer to set GENDIRDEPS_FILTER_DIR_VARS and +# GENDIRDEPS_FILTER_VARS via local.meta.sys.mk rather than +# local.gendirdeps.mk and then: +# +# .if ${.MAKE.LEVEL} > 0 +# .for V in ${GENDIRDEPS_FILTER_DIR_VARS:MDEP_*} \ +# ${GENDIRDEPS_FILTER_VARS:MDEP_*} +# $V ?= ${${V:S,DEP_,,}} +# .endfor +# .endif +# .MAIN: all # keep this simple @@ -69,6 +102,10 @@ _DEPENDFILE := ${_CURDIR}/${.MAKE.DEPENDFILE:T} # caller should have set this META_FILES ?= ${.MAKE.META.FILES} +# this sometimes needs to be passed separately +.if !empty(META_XTRAS) +META_FILES += ${META_XTRAS:N\*.meta} +.endif .if !empty(META_FILES) @@ -88,7 +125,7 @@ META_FILES := ${META_FILES:T:O:u} # they should all be absolute paths SKIP_GENDIRDEPS ?= .if !empty(SKIP_GENDIRDEPS) -_skip_gendirdeps = egrep -v '^(${SKIP_GENDIRDEPS:O:u:ts|})' | +_skip_gendirdeps = ${EGREP:Uegrep} -v '^(${SKIP_GENDIRDEPS:O:u:ts|})' | .else _skip_gendirdeps = .endif @@ -339,6 +376,8 @@ CAT_DEPEND ?= .depend .PHONY: ${_DEPENDFILE} .endif +# set this to 'no' and we will not capture any +# local depends LOCAL_DEPENDS_GUARD ?= _{.MAKE.LEVEL} > 0 # 'cat .depend' should suffice, but if we are mixing build modes @@ -351,6 +390,7 @@ ${_DEPENDFILE}: .NOMETA ${CAT_DEPEND:M.depend} ${META_FILES:O:u:@m@${exists($m): echo '${DIRDEPS:@d@ $d \\${.newline}@}'; echo; \ ${_include_src_dirdeps} \ echo '.include <dirdeps.mk>'; \ + [ "${LOCAL_DEPENDS_GUARD:[1]:tl}" != no ] || exit 0; \ echo; \ echo '.if ${LOCAL_DEPENDS_GUARD}'; \ echo '# local dependencies - needed for -jN in clean tree'; \ |