472e70f939
essentially as in kernel makefiles, so that module sources can include
<stddef.h> and other standard headers. Only add the second path when
the first path can't be found, instead of when DESTDIR is defined.
Adding it used to be just an obfuscation.
Use "${.OBJDIR}" instyead of "." in -I paths. Using "${.OBJDIR}" just
gave more verbose command lines and depend files.
315 lines
7.7 KiB
Makefile
315 lines
7.7 KiB
Makefile
# From: @(#)bsd.prog.mk 5.26 (Berkeley) 6/25/91
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# $FreeBSD$
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#
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# The include file <bsd.kmod.mk> handles installing Kernel Loadable Device
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# drivers (KLD's).
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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. [${.CURDIR}/../../sys/kern]
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#
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# KMOD The name of the kernel module to build.
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#
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# KMODDIR Base path for kernel modules (see kld(4)). [/modules]
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#
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# KMODOWN KLD owner. [${BINOWN}]
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#
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# KMODGRP KLD group. [${BINGRP}]
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#
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# KMODMODE KLD mode. [${BINMODE}]
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#
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# LINKS The list of KLD 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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# KMODLOAD Command to load a kernel module [/sbin/kldload]
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#
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# KMODUNLOAD Command to unload a kernel module [/sbin/kldunload]
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#
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# NOMAN KLD does not have a manual page if set.
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#
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# PROG The name of the 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 KLD.
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#
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# unload:
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# Unload KLD.
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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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KMODLOAD?= /sbin/kldload
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KMODUNLOAD?= /sbin/kldunload
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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} -D_KERNEL ${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- ${_ICFLAGS}
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# Add -I paths for system headers. Individual KLD makefiles don't
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# need any -I paths for this. Similar defaults for .PATH can't be
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# set because there are no standard paths for non-headers.
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CFLAGS+= -I. -I@
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# Add a -I path to standard headers like <stddef.h>. Use a relative
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# path to src/include if possible. If the @ symlink hasn't been built
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# yet, then we can't tell if the relative path exists. Add both the
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# potential relative path and an absolute path in that case.
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.if exists(@)
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.if exists(@/../include)
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CFLAGS+= -I@/../include
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.else
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CFLAGS+= -I${DESTDIR}/usr/include
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.endif
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.else # !@
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CFLAGS+= -I@/../include -I${DESTDIR}/usr/include
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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: ${PROG} install
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${KMODLOAD} ${KMOD}
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.endif
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.if !target(unload)
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unload:
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${KMODUNLOAD} ${KMOD}
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.endif
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.if exists(${.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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.for _src in ${SRCS:Mopt_*.h}
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CLEANFILES+= ${_src}
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.if !target(${_src})
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${_src}:
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touch ${.TARGET}
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.endif
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.endfor
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.for _srcsrc in kern/bus_if.m kern/device_if.m dev/iicbus/iicbb_if.m \
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dev/iicbus/iicbus_if.m isa/isa_if.m dev/mii/miibus_if.m dev/pccard/card_if.m \
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dev/pccard/power_if.m pci/pci_if.m dev/smbus/smbus_if.m dev/usb/usb_if.m
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.for _ext in c h
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.for _src in ${SRCS:M${_srcsrc:T:R}.${_ext}}
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CLEANFILES+= ${_src}
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.if !target(${_src})
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${_src}: @
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.if exists(@)
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${_src}: @/kern/makedevops.pl @/${_srcsrc}
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.endif
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perl @/kern/makedevops.pl -${_ext} @/${_srcsrc}
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.endif
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.endfor # _src
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.endfor # _ext
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.endfor # _srcsrc
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.for _ext in c h
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.if ${SRCS:Mvnode_if.${_ext}} != ""
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CLEANFILES+= vnode_if.${_ext}
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vnode_if.${_ext}: @
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.if exists(@)
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vnode_if.${_ext}: @/kern/vnode_if.pl @/kern/vnode_if.src
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.endif
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perl @/kern/vnode_if.pl -${_ext} @/kern/vnode_if.src
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.endif
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.endfor
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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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