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138 lines
2.9 KiB
Makefile
138 lines
2.9 KiB
Makefile
# SPDX-License-Identifier: BSD-2-Clause
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#
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# $Id: subdir.mk,v 1.24 2024/04/10 01:47:23 sjg Exp $
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#
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# @(#) Copyright (c) 2002-2024, Simon J. Gerraty
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#
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# This file is provided in the hope that it will
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# be of use. There is absolutely NO WARRANTY.
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# Permission to copy, redistribute or otherwise
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# use this file is hereby granted provided that
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# the above copyright notice and this notice are
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# left intact.
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#
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# Please send copies of changes and bug-fixes to:
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# sjg@crufty.net
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# if SUBDIR=@auto replace that with each subdir that has
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# a [Mm]akefile.
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#
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# Unless SUBDIR_MUST_EXIST is defined, missing subdirs
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# are ignored (to allow for sparse checkout).
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#
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# If you use _SUBDIRUSE for a target you may need to add it to
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# SUBDIR_TARGETS.
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# should be set properly in sys.mk
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_this ?= ${.PARSEFILE:S,bsd.,,}
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.if !target(__${_this}__)
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__${_this}__: .NOTMAIN
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.if defined(SUBDIR)
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.if ${.MAKE.LEVEL} == 0 && ${MK_DIRDEPS_BUILD:Uno} == "yes"
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.include <meta.subdir.mk>
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# keep everyone happy
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_SUBDIRUSE:
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.elif !commands(_SUBDIRUSE) && !defined(NO_SUBDIR) && !defined(NOSUBDIR)
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.-include <local.subdir.mk>
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.if !target(.MAIN)
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.MAIN: all
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.endif
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ECHO_DIR ?= echo
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.ifdef SUBDIR_MUST_EXIST
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MISSING_DIR=echo "Missing ===> ${.CURDIR}/$$_dir"; exit 1
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.else
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MISSING_DIR=echo "Skipping ===> ${.CURDIR}/$$_dir"; exit 0
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.endif
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# the actual implementation
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# our target should be of the form ${_target}-${_dir}
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_SUBDIR_USE: .USE
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@Exists() { test -f $$1; }; \
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_dir=${.TARGET:C/^.*-//} \
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_target=${.TARGET:C/-.*//:S/real//:S/.depend/depend/}; \
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if ! Exists ${.CURDIR}/$$_dir/[mM]akefile; then \
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${MISSING_DIR}; \
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fi; \
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if test X"${_THISDIR_}" = X""; then \
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_nextdir_="$$_dir"; \
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else \
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_nextdir_="$${_THISDIR_}/$$_dir"; \
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fi; \
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${ECHO_DIR} "===> $${_nextdir_} ($$_target)"; \
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(cd ${.CURDIR}/$$_dir && \
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${.MAKE} _THISDIR_="$${_nextdir_}" $$_target)
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.if !target(install)
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.if !target(beforeinstall)
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beforeinstall:
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.endif
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.if !target(afterinstall)
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afterinstall:
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.endif
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install: maninstall
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maninstall: afterinstall
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afterinstall: realinstall
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realinstall: beforeinstall _SUBDIRUSE
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.endif
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# the interface from others
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# this may require additions to SUBDIR_TAREGTS
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_SUBDIRUSE: .USE subdir-${.TARGET:C/-.*//:S/real//:S/.depend/depend/}
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SUBDIR_TARGETS += \
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all \
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clean \
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cleandir \
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includes \
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install \
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depend \
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lint \
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obj \
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tags \
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etags
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.if ${SUBDIR} == "@auto"
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SUBDIR = ${echo ${.CURDIR}/*/[Mm]akefile:L:sh:H:T:O:N\*}
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.endif
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__subdirs =
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.for d in ${SUBDIR}
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.if $d != ".WAIT" && exists(${.CURDIR}/$d.${MACHINE})
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__subdirs += $d.${MACHINE}
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.else
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__subdirs += $d
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.endif
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.endfor
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.for t in ${SUBDIR_TARGETS:O:u}
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__subdir_$t =
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.for d in ${__subdirs}
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.if $d == ".WAIT"
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__subdir_$t += $d
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.elif !commands($t-$d)
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$t-$d: .PHONY .MAKE _SUBDIR_USE
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__subdir_$t += $t-$d
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.endif
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.endfor
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subdir-$t: .PHONY ${__subdir_$t}
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$t: subdir-$t
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.endfor
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.else
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_SUBDIRUSE:
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.endif # SUBDIR
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.include <own.mk>
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.if make(destroy*)
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.include <obj.mk>
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.endif
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.endif
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# make sure this exists
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all:
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.endif
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