19f67f6910
No functional change. This prevents adding empty targets to the main called target which is confusing for debugging. MFC after: 2 weeks Sponsored by: EMC / Isilon Storage Division
179 lines
5.0 KiB
Makefile
179 lines
5.0 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. SUBDIR.yes is automatically appeneded
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# to this list.
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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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# See SUBDIR_TARGETS for list of targets that will recurse.
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#
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# Targets defined in STANDALONE_SUBDIR_TARGETS will always be ran
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# with SUBDIR_PARALLEL and will not respect .WAIT or SUBDIR_DEPEND_
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# values.
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#
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# SUBDIR_TARGETS and STANDALONE_SUBDIR_TARGETS can be appended to
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# via make.conf or src.conf.
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#
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.if !target(__<bsd.subdir.mk>__)
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__<bsd.subdir.mk>__:
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SUBDIR_TARGETS+= \
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all all-man analyze buildconfig buildfiles buildincludes \
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checkdpadd clean cleandepend cleandir cleanilinks \
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cleanobj depend distribute files includes installconfig \
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installfiles installincludes realinstall lint maninstall \
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manlint obj objlink tags \
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# Described above.
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STANDALONE_SUBDIR_TARGETS+= \
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all-man buildconfig buildfiles buildincludes check checkdpadd \
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clean cleandepend cleandir cleanilinks cleanobj files includes \
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installconfig installincludes installfiles maninstall manlint \
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obj objlink \
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# It is safe to install in parallel when staging.
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.if defined(NO_ROOT)
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STANDALONE_SUBDIR_TARGETS+= realinstall
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.endif
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.include <bsd.init.mk>
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.if !defined(NEED_SUBDIR)
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.if ${.MAKE.LEVEL} == 0 && ${MK_DIRDEPS_BUILD} == "yes" && !empty(SUBDIR) && !(make(clean*) || make(destroy*))
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.include <meta.subdir.mk>
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# ignore this
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_SUBDIR:
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.endif
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.endif
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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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# Convenience targets to run 'build${target}' and 'install${target}' when
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# calling 'make ${target}'.
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.for __target in files includes
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.if !target(${__target})
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${__target}: build${__target} install${__target}
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.ORDER: build${__target} install${__target}
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.endif
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.endfor
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# Make 'install' supports a before and after target. Actual install
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# hooks are placed in 'realinstall'.
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.if !target(install)
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.for __stage in before real after
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.if !target(${__stage}install)
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${__stage}install:
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.endif
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.endfor
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install: beforeinstall realinstall afterinstall
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.ORDER: beforeinstall realinstall afterinstall
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.endif
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.ORDER: all install
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# SUBDIR recursing may be disabled for MK_DIRDEPS_BUILD
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.if !target(_SUBDIR)
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.if defined(SUBDIR)
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SUBDIR:=${SUBDIR} ${SUBDIR.yes}
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SUBDIR:=${SUBDIR:u}
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.endif
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# Subdir code shared among 'make <subdir>', 'make <target>' and SUBDIR_PARALLEL.
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_SUBDIR_SH= \
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if test -d ${.CURDIR}/$${dir}.${MACHINE_ARCH}; then \
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dir=$${dir}.${MACHINE_ARCH}; \
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fi; \
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${ECHODIR} "===> ${DIRPRFX}$${dir} ($${target})"; \
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cd ${.CURDIR}/$${dir}; \
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${MAKE} $${target} DIRPRFX=${DIRPRFX}$${dir}/
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_SUBDIR: .USEBEFORE
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.if defined(SUBDIR) && !empty(SUBDIR) && !defined(NO_SUBDIR)
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@${_+_}target=${.TARGET:realinstall=install}; \
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for dir in ${SUBDIR:N.WAIT}; do ( ${_SUBDIR_SH} ); done
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.endif
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${SUBDIR:N.WAIT}: .PHONY .MAKE
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${_+_}@target=all; \
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dir=${.TARGET}; \
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${_SUBDIR_SH};
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.for __target in ${SUBDIR_TARGETS}
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# Only recurse on directly-called targets. I.e., don't recurse on dependencies
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# such as 'install' becoming {before,real,after}install, just recurse
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# 'install'. Despite that, 'realinstall' is special due to ordering issues
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# with 'afterinstall'.
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.if !defined(NO_SUBDIR) && (make(${__target}) || \
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(${__target} == realinstall && make(install)))
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# Can ordering be skipped for this and SUBDIR_PARALLEL forced?
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.if ${STANDALONE_SUBDIR_TARGETS:M${__target}}
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_is_standalone_target= 1
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SUBDIR:= ${SUBDIR:N.WAIT}
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.else
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_is_standalone_target= 0
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.endif
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.if defined(SUBDIR_PARALLEL) || ${_is_standalone_target} == 1
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__subdir_targets=
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.for __dir in ${SUBDIR}
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.if ${__dir} == .WAIT
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__subdir_targets+= .WAIT
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.else
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__subdir_targets+= ${__target}_subdir_${DIRPRFX}${__dir}
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__deps=
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.if ${_is_standalone_target} == 0
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.for __dep in ${SUBDIR_DEPEND_${__dir}}
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__deps+= ${__target}_subdir_${DIRPRFX}${__dep}
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.endfor
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.endif
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${__target}_subdir_${DIRPRFX}${__dir}: .PHONY .MAKE .SILENT ${__deps}
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@${_+_}target=${__target:realinstall=install}; \
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dir=${__dir}; \
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${_SUBDIR_SH};
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.endif
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.endfor # __dir in ${SUBDIR}
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${__target}: ${__subdir_targets}
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.else
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${__target}: _SUBDIR
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.endif # SUBDIR_PARALLEL || _is_standalone_target
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.endif # make(${__target})
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.endfor # __target in ${SUBDIR_TARGETS}
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.endif # !target(_SUBDIR)
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# Ensure all targets exist
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.for __target in ${SUBDIR_TARGETS}
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.if !target(${__target})
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${__target}:
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.endif
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.endfor
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.endif
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