e0301e5d4b
when certain .mk files include other .mk files. This will remove the need for multiple include protection in some other makefiles around the tree (and helps some elf conditionals).
257 lines
6.2 KiB
Makefile
257 lines
6.2 KiB
Makefile
# From: @(#)bsd.prog.mk 5.26 (Berkeley) 6/25/91
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# $Id: bsd.kmod.mk,v 1.50 1998/07/29 14:19:48 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 !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 -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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