363e8b8dbc
target. Remember: inserting `dummy' targets is not equivalent of some convenient macro expansion; it has side effects!
219 lines
6.6 KiB
Makefile
219 lines
6.6 KiB
Makefile
# $NetBSD: Makefile,v 1.165 2002/03/05 16:17:06 pk Exp $
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# This is the top-level makefile for building NetBSD. For an outline of
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# how to build a snapshot or release, as well as other release engineering
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# information, see http://www.netbsd.org/developers/releng/index.html
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#
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# Not everything you can set or do is documented in this makefile. In
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# particular, you should review the files in /usr/share/mk (especially
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# bsd.README) for general information on building programs and writing
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# Makefiles within this structure, and see the comments in src/etc/Makefile
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# for further information on installation and release set options.
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#
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# Variables listed below can be set on the make command line (highest
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# priority), in /etc/mk.conf (middle priority), or in the environment
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# (lowest priority).
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#
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# Variables:
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# DESTDIR is the target directory for installation of the compiled
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# software. It defaults to /. Note that programs are built against
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# libraries installed in DESTDIR.
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# MKMAN, if set to `no', will prevent building of manual pages.
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# MKOBJDIRS, if not set to `no', will build object directories at
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# an appropriate point in a build.
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# MKSHARE, if set to `no', will prevent building and installing
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# anything in /usr/share.
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# NBUILDJOBS is the number of jobs to start in parallel during a
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# `make build'. It defaults to 1.
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# UPDATE, if defined, will avoid a `make cleandir' at the start of
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# `make build', as well as having the effects listed in
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# /usr/share/mk/bsd.README.
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# NOCLEANDIR, if defined, will avoid a `make cleandir' at the start
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# of the `make build'.
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# NOINCLUDES will avoid the `make includes' usually done by `make build'.
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#
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# Targets:
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# build:
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# Builds a full release of NetBSD in DESTDIR. If BUILD_DONE is
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# set, this is an empty target.
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# release:
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# Does a `make build,' and then tars up the DESTDIR files
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# into RELEASEDIR, in release(7) format. (See etc/Makefile for
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# more information on this.)
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# regression-tests:
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# Runs the regression tests in "regress" on this host.
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#
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# Targets invoked by `make build,' in order:
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# cleandir: cleans the tree.
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# obj: creates object directories.
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# do-tools: builds host toolchain.
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# do-distrib-dirs: creates the distribution directories.
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# includes: installs include files.
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# do-lib-csu: builds and installs prerequisites from lib/csu.
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# do-lib: builds and installs prerequisites from lib.
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# do-gnu-lib: builds and installs prerequisites from gnu/lib.
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# do-build: builds and installs the entire system.
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.if ${.MAKEFLAGS:M${.CURDIR}/share/mk} == ""
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.MAKEFLAGS: -m ${.CURDIR}/share/mk
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.endif
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# If _SRC_TOP_OBJ_ gets set here, we will end up with a directory that may
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# not be the top level objdir, because "make obj" can happen in the *middle*
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# of "make build" (long after <bsd.own.mk> is calculated it). So, pre-set
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# _SRC_TOP_OBJ_ here so it will not be added to ${.MAKEOVERRIDES}.
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_SRC_TOP_OBJ_=
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.include <bsd.own.mk>
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# Sanity check: make sure that "make build" is not invoked simultaneously
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# with a standard recursive target.
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.if make(build) || make(release) || make(snapshot)
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.for targ in ${TARGETS:Nobj:Ncleandir}
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.if make(${targ}) && !target(.BEGIN)
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.BEGIN:
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@echo 'BUILD ABORTED: "make build" and "make ${targ}" are mutually exclusive.'
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@false
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.endif
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.endfor
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.endif
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.if defined(NBUILDJOBS)
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.if !target(.BEGIN)
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.BEGIN:
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@echo 'NBUILDJOBS is currently broken; see PR toolchain/14837.'
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@false
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.endif
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#_J= -j${NBUILDJOBS}
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.endif
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_SUBDIR= tools lib include gnu bin games libexec sbin usr.bin \
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usr.sbin share sys etc distrib regress
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# Weed out directories that don't exist.
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.for dir in ${_SUBDIR}
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.if exists(${dir}/Makefile) && (${BUILD_${dir}:Uyes} != "no")
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SUBDIR+= ${dir}
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.endif
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.endfor
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.if exists(regress)
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regression-tests:
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@echo Running regression tests...
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@(cd ${.CURDIR}/regress && ${MAKE} regress)
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.endif
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afterinstall:
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.if ${MKMAN} != "no"
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(cd ${.CURDIR}/share/man && ${MAKE} makedb)
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.endif
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.if defined(UNPRIVED) && (${MKINFO} != "no")
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(cd ${.CURDIR}/gnu/usr.bin/texinfo/install-info && ${MAKE} infodir-meta)
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.endif
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# Targets (in order!) called by "make build".
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BUILDTARGETS+= check-tools
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.if !defined(UPDATE) && !defined(NOCLEANDIR)
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BUILDTARGETS+= cleandir
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.endif
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.if ${MKOBJDIRS} != "no"
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BUILDTARGETS+= obj
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.endif
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.if ${USETOOLS} == "yes"
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BUILDTARGETS+= do-tools
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.endif
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.if !defined(NODISTRIBDIRS)
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BUILDTARGETS+= do-distrib-dirs
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.endif
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.if !defined(NOINCLUDES)
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BUILDTARGETS+= includes
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.endif
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BUILDTARGETS+= do-lib-csu do-lib do-gnu-lib do-build
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# Enforce proper ordering of some rules.
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.ORDER: ${BUILDTARGETS}
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includes-lib: includes-include includes-sys
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includes-gnu: includes-lib
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# Build the system and install into DESTDIR.
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build:
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.if defined(BUILD_DONE)
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@echo "Build already installed into ${DESTDIR}"
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.else
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@echo -n "Build started at: " && date
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.for tgt in ${BUILDTARGETS}
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@(cd ${.CURDIR} && ${MAKE} ${_J} ${tgt})
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.endfor
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@echo -n "Build finished at: " && date
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.endif
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# Build a full distribution, but not a release (i.e. no sets into
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# ${RELEASEDIR}).
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distribution: build
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(cd ${.CURDIR}/etc && ${MAKE} INSTALL_DONE=1 distribution)
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# Build a release or snapshot (implies "make build").
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release snapshot: build
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(cd ${.CURDIR}/etc && ${MAKE} INSTALL_DONE=1 release)
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# Special components of the "make build" process.
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check-tools:
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.if defined(USE_NEW_TOOLCHAIN) && (${USE_NEW_TOOLCHAIN} != "nowarn")
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@echo '*** WARNING: Building on MACHINE=${MACHINE} with USE_NEW_TOOLCHAIN.'
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@echo '*** This platform is not yet verified to work with the new toolchain,'
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@echo '*** and may result in a failed build or corrupt binaries!'
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.endif
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do-distrib-dirs:
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.if !defined(DESTDIR) || ${DESTDIR} == ""
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(cd ${.CURDIR}/etc && ${MAKE} DESTDIR=/ distrib-dirs)
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.else
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(cd ${.CURDIR}/etc && ${MAKE} DESTDIR=${DESTDIR} distrib-dirs)
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.endif
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.for dir in tools lib/csu lib gnu/lib
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do-${dir:S/\//-/}:
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.for targ in dependall install
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(cd ${.CURDIR}/${dir} && ${MAKE} ${_J} ${targ})
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.endfor
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.endfor
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do-build:
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.for targ in dependall install
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(cd ${.CURDIR} && ${MAKE} ${_J} ${targ} BUILD_tools=no BUILD_lib=no)
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.endfor
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# Speedup stubs for some subtrees that don't need to run these rules.
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# (Tells <bsd.subdir.mk> not to recurse for them.)
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.for dir in bin etc distrib games libexec regress sbin usr.sbin tools
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includes-${dir}:
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@true
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.endfor
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.for dir in etc distrib regress
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install-${dir}:
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@true
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.endfor
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# XXX this needs to change when distrib Makefiles are recursion compliant
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dependall-distrib depend-distrib all-distrib:
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@true
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clean:
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rm -f METALOG
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.include <bsd.obj.mk>
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.include <bsd.subdir.mk>
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build-docs: ${.CURDIR}/BUILDING
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${.CURDIR}/BUILDING: BUILDING.mdoc
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groff -mdoc -Tascii -P-b -P-u -P-o $> >$@
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