diff options
Diffstat (limited to 'mk/dirdeps-targets.mk')
| -rw-r--r-- | mk/dirdeps-targets.mk | 47 |
1 files changed, 41 insertions, 6 deletions
diff --git a/mk/dirdeps-targets.mk b/mk/dirdeps-targets.mk index 50a1970d62110..73dcf3639d3b0 100644 --- a/mk/dirdeps-targets.mk +++ b/mk/dirdeps-targets.mk @@ -1,15 +1,15 @@ # RCSid: -# $Id: dirdeps-targets.mk,v 1.10 2020/06/06 22:41:02 sjg Exp $ +# $Id: dirdeps-targets.mk,v 1.22 2020/08/15 18:00:11 sjg Exp $ # # @(#) Copyright (c) 2019-2020 Simon J. Gerraty # # This file is provided in the hope that it will # be of use. There is absolutely NO WARRANTY. # 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 -# left intact. -# +# left intact. +# # Please send copies of changes and bug-fixes to: # sjg@crufty.net # @@ -25,7 +25,16 @@ # We then search those dirs for any Makefile.depend* # Finally we select any that match conditions like REQUESTED_MACHINE # 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 # pickup customizations @@ -125,12 +134,38 @@ DIRDEPS := ${DIRDEPS:O:u} .endif # if we got DIRDEPS get to work .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> +.endif DIRDEPS_TARGETS_SKIP += all clean* destroy* .for t in ${.TARGETS:${DIRDEPS_TARGETS_SKIP:${M_ListToSkip}}} $t: dirdeps -.endfor +.endfor .endif .endif |