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e902c1bb07
Specifically intended for removing -fschg ("INSTALLFLAGS_EDIT=:S/schg/uchg/")
this makes the NOFSCHG flag redundant. NOFSCHG will still be honoured by
bsd.lib.mk but is valid for buildworld only. NOFSCHG is still implemented in
the old way (ie. _not_ ".if NOFSCHG then { INSTALLFLAGS_EDIT+=:S/schg/,/ }"
to emphasize the fact that NOFSCHG is only supported in a limited
fashion and for buildworld.
The interface and implementation are such that future use of flags such
as sappnd can also be easily removed or altered (perhaps to uappnd).
This commit brought to you by the letters B, D, and E, and the numbers six,
one, thirteen, and three.
278 lines
6.7 KiB
Makefile
278 lines
6.7 KiB
Makefile
# From: @(#)bsd.prog.mk 5.26 (Berkeley) 6/25/91
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# $Id: bsd.kmod.mk,v 1.61 1999/04/23 20:53:34 peter Exp $
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#
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# The include file <bsd.kmod.mk> handles installing Loadable Kernel Modules.
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#
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#
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# +++ variables +++
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#
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# CLEANFILES Additional files to remove for the clean and cleandir targets.
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#
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# DISTRIBUTION Name of distribution. [bin]
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#
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# KERN Main Kernel source directory. [${.CURDIR}/../../sys/kern]
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#
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# KMOD The name of the loadable kernel module to build.
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#
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# KMODDIR Base path for loadable kernel modules
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# (see kld(4)). [/modules]
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#
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# KMODOWN LKM owner. [${BINOWN}]
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#
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# KMODGRP LKM group. [${BINGRP}]
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#
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# KMODMODE LKM mode. [${BINMODE}]
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#
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# LINKS The list of LKM links; should be full pathnames, the
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# linked-to file coming first, followed by the linked
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# file. The files are hard-linked. For example, to link
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# /modules/master and /modules/meister, use:
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#
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# LINKS= /modules/master /modules/meister
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#
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# MODLOAD Command to load a kernel module [/sbin/modload]
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#
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# MODUNLOAD Command to unload a kernel module [/sbin/modunload]
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#
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# NOMAN LKM does not have a manual page if set.
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#
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# PROG The name of the loadable kernel module to build.
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# If not supplied, ${KMOD}.o is used.
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#
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# SRCS List of source files
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#
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# KMODDEPS List of modules which this one is dependant on
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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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# SYMLINKS Same as LINKS, except it creates symlinks and the
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# linked-to pathname may be relative.
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#
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# DESTDIR, DISTDIR are set by other Makefiles (e.g. bsd.own.mk)
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#
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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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# install:
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# install the program and its manual pages; if the Makefile
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# does not itself define the target install, the targets
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# beforeinstall and afterinstall may also be used to cause
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# actions immediately before and after the install target
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# is executed.
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#
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# load:
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# Load LKM.
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#
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# unload:
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# Unload LKM.
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#
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# bsd.obj.mk: clean, cleandir and obj
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# bsd.dep.mk: cleandepend, depend and tags
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# bsd.man.mk: maninstall
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#
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MODLOAD?= /sbin/modload
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MODUNLOAD?= /sbin/modunload
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.if !target(__initialized__)
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__initialized__:
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.if exists(${.CURDIR}/../Makefile.inc)
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.include "${.CURDIR}/../Makefile.inc"
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.endif
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.endif
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.SUFFIXES: .out .o .c .cc .cxx .C .y .l .s .S
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CFLAGS+= ${COPTS} -DKERNEL ${CWARNFLAGS}
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CFLAGS+= -DKLD_MODULE
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# Don't use any standard or source-relative include directories.
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# Since -nostdinc will annull any previous -I paths, we repeat all
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# such paths after -nostdinc. It doesn't seem to be possible to
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# add to the front of `make' variable.
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_ICFLAGS:= ${CFLAGS:M-I*}
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CFLAGS+= -nostdinc -I- ${_ICFLAGS}
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# Add -I paths for system headers. Individual LKM makefiles don't
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# need any -I paths for this. Similar defaults for .PATH can't be
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# set because there are no standard paths for non-headers.
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CFLAGS+= -I${.OBJDIR} -I${.OBJDIR}/@
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# XXX this is now dubious.
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.if defined(DESTDIR)
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CFLAGS+= -I${DESTDIR}/usr/include
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.endif
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.if defined(VFS_KLD)
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SRCS+= vnode_if.h
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CLEANFILES+= vnode_if.h vnode_if.c
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.endif
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.if ${OBJFORMAT} == elf
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CLEANFILES+= setdef0.c setdef1.c setdefs.h
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CLEANFILES+= setdef0.o setdef1.o
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.endif
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OBJS+= ${SRCS:N*.h:R:S/$/.o/g}
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.if !defined(PROG)
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PROG= ${KMOD}.ko
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.endif
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${PROG}: ${OBJS} ${DPADD} ${KMODDEPS}
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.if ${OBJFORMAT} == elf
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gensetdefs ${OBJS}
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${CC} ${CFLAGS} -c setdef0.c
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${CC} ${CFLAGS} -c setdef1.c
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${LD} -Bshareable ${LDFLAGS} -o ${.TARGET} setdef0.o ${OBJS} setdef1.o ${KMODDEPS}
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.else
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${LD} -Bshareable ${LDFLAGS} -o ${.TARGET} ${OBJS} ${KMODDEPS}
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.endif
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.if defined(KMODDEPS)
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.for dep in ${KMODDEPS}
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CLEANFILES+= ${dep} __${dep}_hack_dep.c
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${dep}:
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touch __${dep}_hack_dep.c
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${CC} -shared ${CFLAGS} -o ${dep} __${dep}_hack_dep.c
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.endfor
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.endif
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.if !defined(NOMAN)
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.include <bsd.man.mk>
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.if !defined(_MANPAGES) || empty(_MANPAGES)
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MAN1= ${KMOD}.4
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.endif
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.elif !target(maninstall)
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maninstall: _SUBDIR
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all-man:
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.endif
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_ILINKS=@ machine
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.MAIN: all
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all: objwarn ${PROG} all-man _SUBDIR
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beforedepend ${OBJS}: ${_ILINKS}
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# The search for the link targets works best if we are in a normal src
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# tree, and not too deeply below src/sys/modules. If we are near "/", then
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# we may find /sys - this is harmless. Other abnormal "sys" directories
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# found in the search are likely to cause problems. If nothing is found,
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# then the links default to /usr/include and /usr/include/machine.
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${_ILINKS}:
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@set +x; for up in ../.. ../../.. ; do \
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case ${.TARGET} in \
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machine) \
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testpath=${.CURDIR}/$$up/${MACHINE_ARCH}/include ; \
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path=${.CURDIR}/$$up/${MACHINE_ARCH}/include ; \
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defaultpath=/usr/include/machine ;; \
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@) \
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testpath=${.CURDIR}/$$up/sys ; \
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path=${.CURDIR}/$$up ; \
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defaultpath=/usr/include ;; \
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esac ; \
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if [ -d $$testpath ] ; then break ; fi ; \
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path=$$defaultpath ; \
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done ; \
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path=`(cd $$path && /bin/pwd)` ; \
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${ECHO} ${.TARGET} "->" $$path ; \
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ln -s $$path ${.TARGET}
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CLEANFILES+= ${PROG} ${OBJS} ${_ILINKS} symb.tmp tmp.o
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.if !target(install)
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.if !target(beforeinstall)
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beforeinstall:
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.endif
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.if !target(afterinstall)
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afterinstall:
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.endif
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_INSTALLFLAGS:= ${INSTALLFLAGS}
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.for ie in ${INSTALLFLAGS_EDIT}
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_INSTALLFLAGS:= ${_INSTALLFLAGS${ie}}
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.endfor
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realinstall: _SUBDIR
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${INSTALL} ${COPY} -o ${KMODOWN} -g ${KMODGRP} -m ${KMODMODE} \
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${_INSTALLFLAGS} ${PROG} ${DESTDIR}${KMODDIR}
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.if defined(LINKS) && !empty(LINKS)
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@set ${LINKS}; \
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while test $$# -ge 2; do \
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l=${DESTDIR}$$1; \
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shift; \
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t=${DESTDIR}$$1; \
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shift; \
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${ECHO} $$t -\> $$l; \
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ln -f $$l $$t; \
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done; true
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.endif
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.if defined(SYMLINKS) && !empty(SYMLINKS)
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@set ${SYMLINKS}; \
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while test $$# -ge 2; do \
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l=$$1; \
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shift; \
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t=${DESTDIR}$$1; \
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shift; \
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${ECHO} $$t -\> $$l; \
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ln -fs $$l $$t; \
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done; true
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.endif
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install: afterinstall _SUBDIR
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.if !defined(NOMAN)
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afterinstall: realinstall maninstall
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.else
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afterinstall: realinstall
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.endif
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realinstall: beforeinstall
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.endif
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DISTRIBUTION?= bin
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.if !target(distribute)
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distribute: _SUBDIR
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.for dist in ${DISTRIBUTION}
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cd ${.CURDIR} ; $(MAKE) install DESTDIR=${DISTDIR}/${dist} SHARED=copies
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.endfor
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.endif
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.if !target(load)
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load: ${PROG}
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${MODLOAD} -o ${KMOD} -e${KMOD} ${PROG}
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.endif
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.if !target(unload)
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unload: ${PROG}
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${MODUNLOAD} -n ${KMOD}
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.endif
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.if exists(${.CURDIR}/../../kern)
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KERN= ${.CURDIR}/../../kern
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.else
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KERN= ${.CURDIR}/../../sys/kern
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.endif
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vnode_if.h: ${KERN}/vnode_if.sh ${KERN}/vnode_if.src
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sh ${KERN}/vnode_if.sh ${KERN}/vnode_if.src
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regress:
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.include <bsd.dep.mk>
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.if !exists(${DEPENDFILE})
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${OBJS}: ${SRCS:M*.h}
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.endif
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.include <bsd.obj.mk>
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.include <bsd.kern.mk>
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