e0e2794cd8
`make world' to avoid problems with picking up (new) target or (stale) host shared libraries. Don't honor -static in LDFLAGS for linking LKMs. LDFLAGS is not actually for ld, but we use it anyway, and must prevent -static being misinterpreted as -s. Don't hide any of the link steps.
254 lines
6.1 KiB
Makefile
254 lines
6.1 KiB
Makefile
# From: @(#)bsd.prog.mk 5.26 (Berkeley) 6/25/91
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# $Id: bsd.kmod.mk,v 1.49 1998/06/09 02:55:40 bde 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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# EXPORT_SYMS ???
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#
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# KERN Main Kernel source directory. [${.CURDIR}/../../sys/kern]
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#
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# KMOD The name of the loadable kernel module to build.
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#
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# KMODDIR Base path for loadable kernel modules
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# (see lkm(4)). [/lkm]
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#
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# KMODOWN LKM owner. [${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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# /lkm/master and /lkm/meister, use:
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#
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# LINKS= /lkm/master /lkm/meister
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#
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# LN_FLAGS Flags for ln(1) (see variable LINKS)
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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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# PSEUDO_LKM ???
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#
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# SRCS List of source files
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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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# 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 exists(${.CURDIR}/../Makefile.inc)
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.include "${.CURDIR}/../Makefile.inc"
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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 -DACTUALLY_LKM_NOT_KERNEL ${CWARNFLAGS}
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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(NOSHARED) && ( ${NOSHARED} != "no" && ${NOSHARED} != "NO" )
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LDFLAGS+= -static
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.endif
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EXPORT_SYMS?= _${KMOD}
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.if defined(VFS_LKM)
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CFLAGS+= -DVFS_LKM -DMODVNOPS=${KMOD}vnops
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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 defined(PSEUDO_LKM)
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CFLAGS+= -DPSEUDO_LKM
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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= ${KMOD}.o
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.endif
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${PROG}: ${OBJS} ${DPADD}
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${LD} -r ${LDFLAGS:N-static} -o tmp.o ${OBJS}
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.if defined(EXPORT_SYMS)
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rm -f symb.tmp
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for i in ${EXPORT_SYMS} ; do echo $$i >> symb.tmp ; done
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symorder -c symb.tmp tmp.o
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rm -f symb.tmp
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.endif
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mv tmp.o ${.TARGET}
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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/lkm. 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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@for up in ../.. ../../.. ; do \
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case ${.TARGET} in \
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machine) \
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path=${.CURDIR}/$$up/sys/${MACHINE_ARCH}/include ; \
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defaultpath=/usr/include/machine ;; \
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@) \
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path=${.CURDIR}/$$up/sys ; \
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defaultpath=/usr/include ;; \
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esac ; \
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if [ -d $$path ] ; 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+= ${KMOD} ${PROG} ${OBJS} ${_ILINKS} lkm_verify_tmp symb.tmp tmp.o
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.if !target(install)
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.if !target(beforeinstall)
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beforeinstall:
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.endif
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.if !target(afterinstall)
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afterinstall:
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.endif
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realinstall: _SUBDIR
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${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 -\> $$l; \
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rm -f $$t; \
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ln ${LN_FLAGS} $$l $$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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KERN= ${.CURDIR}/../../sys/kern
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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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_sysregress: ${_INLINKS} ${PROG}
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ld -A /sys/compile/LKM/kernel ${PROG} ${DEPLKMS} -o lkm_verify_tmp
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rm lkm_verify_tmp
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regress: _sysregress
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.include <bsd.dep.mk>
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.if !exists(${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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