diff options
Diffstat (limited to 'contrib/bmake/mk/sys.dirdeps.mk')
| -rw-r--r-- | contrib/bmake/mk/sys.dirdeps.mk | 205 |
1 files changed, 205 insertions, 0 deletions
diff --git a/contrib/bmake/mk/sys.dirdeps.mk b/contrib/bmake/mk/sys.dirdeps.mk new file mode 100644 index 000000000000..4d2dfa8416fa --- /dev/null +++ b/contrib/bmake/mk/sys.dirdeps.mk @@ -0,0 +1,205 @@ +# SPDX-License-Identifier: BSD-2-Clause +# +# $Id: sys.dirdeps.mk,v 1.15 2024/04/18 17:18:31 sjg Exp $ +# +# @(#) Copyright (c) 2012-2023, 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 +# the above copyright notice and this notice are +# left intact. +# +# Please send copies of changes and bug-fixes to: +# sjg@crufty.net +# + +# Originally DIRDEPS_BUILD and META_MODE were the same thing. +# So, much of this was done in *meta.sys.mk and local*mk +# but properly belongs here. + +# Include from [local.]sys.mk - if doing DIRDEPS_BUILD +# we should not be here otherwise +MK_DIRDEPS_BUILD ?= yes +# these are all implied +MK_AUTO_OBJ ?= yes +MK_META_MODE ?= yes +MK_STAGING ?= yes + +_PARSEDIR ?= ${.PARSEDIR:tA} + +.-include <local.sys.dirdeps.env.mk> + +.if ${.MAKE.LEVEL} == 0 +# make sure dirdeps target exists and do it first +# init.mk will set .MAIN to 'dirdeps' if appropriate +# as will dirdeps-targets.mk for top-level builds. +# This allows a Makefile to have more control. +dirdeps: +.NOPATH: dirdeps +all: dirdeps .WAIT +.endif + +.if empty(SRCTOP) +# fallback assumes share/mk! +SRCTOP := ${SB_SRC:U${.PARSEDIR:tA:H:H}} +.export SRCTOP +.endif + +# fake SB if not using mk wrapper +# SB documented at http://www.crufty.net/sjg/docs/sb-tools.htm +.if !defined(SB) +SB := ${SRCTOP:H} +.export SB +.endif + +.if empty(OBJROOT) +OBJROOT := ${SB_OBJROOT:U${MAKEOBJDIRPREFIX:U${SB}/obj}/} +.export OBJROOT +.endif +# we expect OBJROOT to end with / (- can work too) +.if ${OBJROOT:M*[/-]} == "" +OBJROOT := ${OBJROOT}/ +.endif + +.if empty(STAGE_ROOT) +STAGE_ROOT ?= ${OBJROOT}stage +.export STAGE_ROOT +.endif + +# We should be included before meta.sys.mk +# If TARGET_SPEC_VARS is other than just MACHINE +# it should be set by now. +# TARGET_SPEC must not contain any '.'s. +TARGET_SPEC_VARS ?= MACHINE + +.if ${TARGET_SPEC:Uno:M*,*} != "" +# deal with TARGET_SPEC from env +_tspec := ${TARGET_SPEC:S/,/ /g} +.for i in ${TARGET_SPEC_VARS:${M_RANGE:Urange}} +${TARGET_SPEC_VARS:[$i]} := ${_tspec:[$i]} +.endfor +# We need to stop that TARGET_SPEC affecting any submakes +TARGET_SPEC= +# so export but do not track +.export-env TARGET_SPEC +.export ${TARGET_SPEC_VARS} +.for v in ${TARGET_SPEC_VARS:O:u} +.if empty($v) +.undef $v +.endif +.endfor +.endif + +# Now make sure we know what TARGET_SPEC is +# as we may need it to find Makefile.depend* +.if ${MACHINE:Mhost*} != "" +# host is special +TARGET_SPEC = ${MACHINE} +.else +TARGET_SPEC = ${TARGET_SPEC_VARS:@v@${$v:U}@:ts,} +.endif + +.if ${TARGET_SPEC_VARS:[#]} > 1 +TARGET_SPEC_VARSr := ${TARGET_SPEC_VARS:[-1..1]} +# alternatives might be +# TARGET_OBJ_SPEC = ${TARGET_SPEC_VARSr:@v@${$v:U}@:ts/} +# TARGET_OBJ_SPEC = ${TARGET_SPEC_VARS:@v@${$v:U}@:ts/} +TARGET_OBJ_SPEC ?= ${TARGET_SPEC_VARS:@v@${$v:U}@:ts.} +.else +TARGET_OBJ_SPEC ?= ${MACHINE} +.endif + +MAKE_PRINT_VAR_ON_ERROR += ${TARGET_SPEC_VARS} + +.if !defined(MACHINE0) +# it can be handy to know which MACHINE kicked off the build +# for example, if using Makefild.depend for multiple machines, +# allowing only MACHINE0 to update can keep things simple. +MACHINE0 := ${MACHINE} +.export MACHINE0 +.endif + +MACHINE_OBJ.host = ${HOST_TARGET} +MACHINE_OBJ.host32 = ${HOST_TARGET32} +MACHINE_OBJ.${MACHINE} ?= ${TARGET_OBJ_SPEC} +MACHINE_OBJDIR = ${MACHINE_OBJ.${MACHINE}} + +# we likely want to override env for OBJTOP +.if ${MACHINE} == "host" +OBJTOP = ${HOST_OBJTOP} +.elif ${MACHINE} == "host32" +OBJTOP = ${HOST_OBJTOP32} +.else +OBJTOP = ${OBJROOT}${MACHINE_OBJDIR} +.endif +.if ${.MAKE.LEVEL} > 0 +# should not change from level 1 onwards +# this only matters for cases like bmake/unit-tests +# where we do ${MAKE} -r +.export OBJTOP +.endif + +.if ${MAKEOBJDIR:U:M*/*} == "" +# we do not use MAKEOBJDIRPREFIX +# though we may have used it above to initialize OBJROOT +.undef MAKEOBJDIRPREFIX +# this is what we expected in env +MAKEOBJDIR = $${.CURDIR:S,^$${SRCTOP},$${OBJTOP},} +# export that but do not track +.export-env MAKEOBJDIR +# this what we need here +MAKEOBJDIR = ${.CURDIR:S,${SRCTOP},${OBJTOP},} +.endif + +STAGE_MACHINE ?= ${MACHINE_OBJDIR} +STAGE_OBJTOP ?= ${STAGE_ROOT}/${STAGE_MACHINE} +STAGE_COMMON_OBJTOP ?= ${STAGE_ROOT}/common +STAGE_HOST_OBJTOP ?= ${STAGE_ROOT}/${HOST_TARGET} +STAGE_HOST_OBJTOP32 ?= ${STAGE_ROOT}/${HOST_TARGET32} + +STAGE_INCLUDEDIR ?= ${STAGE_OBJTOP}${INCLUDEDIR:U/usr/include} +STAGE_LIBDIR ?= ${STAGE_OBJTOP}${LIBDIR:U/lib} + +TIME_STAMP_FMT ?= @ %s [%Y-%m-%d %T] ${:U} +DATE_TIME_STAMP ?= `date '+${TIME_STAMP_FMT}'` +TIME_STAMP ?= ${TIME_STAMP_FMT:localtime} + +.if ${MK_TIME_STAMPS:Uyes} == "yes" +TRACER = ${TIME_STAMP} +ECHO_DIR = echo ${TIME_STAMP} +ECHO_TRACE = echo ${TIME_STAMP} +.endif + +.if ${.CURDIR} == ${SRCTOP} +RELDIR= . +RELTOP= . +.elif ${.CURDIR:M${SRCTOP}/*} +RELDIR:= ${.CURDIR:S,${SRCTOP}/,,} +.else +RELDIR:= ${.OBJDIR:S,${OBJTOP}/,,} +.endif +RELTOP?= ${RELDIR:C,[^/]+,..,g} +RELOBJTOP?= ${RELTOP} +RELSRCTOP?= ${RELTOP} + +# this does all the smarts of setting .MAKE.DEPENDFILE +.-include <sys.dependfile.mk> + +.-include <local.sys.dirdeps.mk> + +# check if we got anything sane +.if ${.MAKE.DEPENDFILE} == ".depend" +.undef .MAKE.DEPENDFILE +.endif +# just in case +.MAKE.DEPENDFILE ?= Makefile.depend + +# Makefile.depend* often refer to DEP_MACHINE etc, +# we need defaults for both first include in a leaf dir +# and when level > 0 +# so ensure DEP_* for TARGET_SPEC_VARS and RELDIR are set +.for V in ${TARGET_SPEC_VARS} RELDIR +DEP_$V ?= ${$V} +.endfor |