80 lines
2.1 KiB
Makefile
80 lines
2.1 KiB
Makefile
# $Id: meta.subdir.mk,v 1.10 2012/07/03 05:26:46 sjg Exp $
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#
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# @(#) Copyright (c) 2010, 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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#
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.if !defined(NO_SUBDIR) && !empty(SUBDIR)
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.if make(destroy*) || make(clean*)
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.MAKE.MODE = compat
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.if !commands(destroy)
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.-include <bsd.obj.mk>
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.endif
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.elif ${.MAKE.LEVEL} == 0
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.MAIN: all
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.if !exists(${.CURDIR}/${.MAKE.DEPENDFILE:T}) || make(gendirdeps)
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# start with this
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DIRDEPS = ${SUBDIR:N.WAIT:O:u:@d@${RELDIR}/$d@}
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.if make(gendirdeps)
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.include <meta.autodep.mk>
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.else
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# this is the cunning bit
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# actually it is probably a bit risky
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# since we may pickup subdirs which are not relevant
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# the alternative is a walk through the tree though
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# which is difficult without a sub-make.
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.if defined(BOOTSTRAP_DEPENDFILES)
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_find_name = ${.MAKE.MAKEFILE_PREFERENCE:@m@-o -name $m@:S,^-o,,1}
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DIRDEPS = ${_subdeps:H:O:u:@d@${RELDIR}/$d@}
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.elif ${.MAKE.DEPENDFILE:E} == ${MACHINE} && defined(ALL_MACHINES)
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# we want to find Makefile.depend.* ie for all machines
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# and turn the dirs into dir.<machine>
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_find_name = -name '${.MAKE.DEPENDFILE:T:R}*'
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DIRDEPS = ${_subdeps:O:u:${NIgnoreFiles}:@d@${RELDIR}/${d:H}.${d:E}@:S,.${MACHINE}$,,:S,.depend$,,}
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.else
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# much simpler
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_find_name = -name ${.MAKE.DEPENDFILE:T}
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.if ${.MAKE.DEPENDFILE:E} == ${MACHINE}
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_find_name += -o -name ${.MAKE.DEPENDFILE:T:R}
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.endif
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DIRDEPS = ${_subdeps:H:O:u:@d@${RELDIR}/$d@}
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.endif
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_subdeps != cd ${.CURDIR} && \
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find ${SUBDIR:N.WAIT} -type f \( ${_find_name} \) -print -o \
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-name .svn -prune 2> /dev/null; echo
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.if empty(_subdeps)
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DIRDEPS =
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.else
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# clean up if needed
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DIRDEPS := ${DIRDEPS:S,^./,,:S,/./,/,g:${SUBDIREPS_FILTER:Uu}}
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.endif
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# we just dealt with it, if we leave it defined,
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# dirdeps.mk will compute some interesting combinations.
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.undef ALL_MACHINES
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DEP_RELDIR = ${RELDIR}
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.include <dirdeps.mk>
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.endif
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.endif
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.else
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all: .PHONY
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.endif
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.endif
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