d94068ba0d
this allows make -n to do tree walks as expected without doing anything else (as intended). Use prefix _sub. to help avoid conflict with any real target. Reviewed by: imp
131 lines
3.6 KiB
Makefile
131 lines
3.6 KiB
Makefile
# from: @(#)bsd.subdir.mk 5.9 (Berkeley) 2/1/91
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# $FreeBSD$
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#
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# The include file <bsd.subdir.mk> contains the default targets
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# for building subdirectories.
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#
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# For all of the directories listed in the variable SUBDIRS, the
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# specified directory will be visited and the target made. There is
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# also a default target which allows the command "make subdir" where
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# subdir is any directory listed in the variable SUBDIRS.
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#
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#
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# +++ variables +++
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#
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# DISTRIBUTION Name of distribution. [base]
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#
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# SUBDIR A list of subdirectories that should be built as well.
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# Each of the targets will execute the same target in the
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# subdirectories.
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#
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# +++ targets +++
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#
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# distribute:
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# This is a variant of install, which will
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# put the stuff into the right "distribution".
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#
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# afterinstall, all, all-man, beforeinstall, checkdpadd, clean,
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# cleandepend, cleandir, cleanilinks depend, install, lint,
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# maninstall, manlint, obj, objlink, realinstall, regress, tags
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#
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.if !target(__<bsd.subdir.mk>__)
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__<bsd.subdir.mk>__:
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.include <bsd.init.mk>
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DISTRIBUTION?= base
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.if !target(distribute)
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distribute: .MAKE
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.for dist in ${DISTRIBUTION}
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${_+_}cd ${.CURDIR}; \
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${MAKE} install -DNO_SUBDIR DESTDIR=${DISTDIR}/${dist} SHARED=copies
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.endfor
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.endif
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_SUBDIR: .USE .MAKE
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.if defined(SUBDIR) && !empty(SUBDIR) && !defined(NO_SUBDIR)
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@${_+_}set -e; for entry in ${SUBDIR:N.WAIT}; do \
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if test -d ${.CURDIR}/$${entry}.${MACHINE_ARCH}; then \
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${ECHODIR} "===> ${DIRPRFX}$${entry}.${MACHINE_ARCH} (${.TARGET:S,realinstall,install,:S,^_sub.,,})"; \
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edir=$${entry}.${MACHINE_ARCH}; \
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cd ${.CURDIR}/$${edir}; \
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else \
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${ECHODIR} "===> ${DIRPRFX}$$entry (${.TARGET:S,realinstall,install,:S,^_sub.,,})"; \
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edir=$${entry}; \
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cd ${.CURDIR}/$${edir}; \
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fi; \
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${MAKE} ${.TARGET:S,realinstall,install,:S,^_sub.,,} \
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DIRPRFX=${DIRPRFX}$$edir/; \
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done
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.endif
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${SUBDIR:N.WAIT}: .PHONY .MAKE
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${_+_}@if test -d ${.TARGET}.${MACHINE_ARCH}; then \
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cd ${.CURDIR}/${.TARGET}.${MACHINE_ARCH}; \
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else \
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cd ${.CURDIR}/${.TARGET}; \
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fi; \
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${MAKE} all
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# Work around parsing of .if nested in .for by putting .WAIT string into a var.
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__wait= .WAIT
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.for __target in all all-man checkdpadd clean cleandepend cleandir \
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cleanilinks depend distribute lint maninstall manlint obj objlink \
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realinstall regress tags ${SUBDIR_TARGETS}
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.ifdef SUBDIR_PARALLEL
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__subdir_targets=
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.for __dir in ${SUBDIR}
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.if ${__wait} == ${__dir}
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__subdir_targets+= .WAIT
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.else
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__subdir_targets+= ${__target}_subdir_${__dir}
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${__target}_subdir_${__dir}: .MAKE
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@${_+_}set -e; \
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if test -d ${.CURDIR}/${__dir}.${MACHINE_ARCH}; then \
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${ECHODIR} "===> ${DIRPRFX}${__dir}.${MACHINE_ARCH} (${__target:realinstall=install})"; \
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edir=${__dir}.${MACHINE_ARCH}; \
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cd ${.CURDIR}/$${edir}; \
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else \
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${ECHODIR} "===> ${DIRPRFX}${__dir} (${__target:realinstall=install})"; \
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edir=${__dir}; \
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cd ${.CURDIR}/$${edir}; \
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fi; \
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${MAKE} ${__target:realinstall=install} \
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DIRPRFX=${DIRPRFX}$$edir/
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.endif
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.endfor
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${__target}: ${__subdir_targets}
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.else
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${__target}: _sub.${__target}
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_sub.${__target}: _SUBDIR
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.endif
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.endfor
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.for __target in files includes
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.for __stage in build install
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${__stage}${__target}:
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.if make(${__stage}${__target})
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${__stage}${__target}: _sub.${__stage}${__target}
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_sub.${__stage}${__target}: _SUBDIR
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.endif
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.endfor
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.if !target(${__target})
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${__target}: .MAKE
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${_+_}set -e; cd ${.CURDIR}; ${MAKE} build${__target}; ${MAKE} install${__target}
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.endif
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.endfor
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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: beforeinstall realinstall afterinstall
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.ORDER: beforeinstall realinstall afterinstall
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.endif
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.endif
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