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|
# From: @(#)bsd.prog.mk 5.26 (Berkeley) 6/25/91
# $Id: bsd.kmod.mk,v 1.51 1998/08/08 07:02:07 peter Exp $
#
# The include file <bsd.kmod.mk> handles installing Loadable Kernel Modules.
#
#
# +++ variables +++
#
# CLEANFILES Additional files to remove for the clean and cleandir targets.
#
# DISTRIBUTION Name of distribution. [bin]
#
# EXPORT_SYMS ???
#
# KERN Main Kernel source directory. [${.CURDIR}/../../sys/kern]
#
# KMOD The name of the loadable kernel module to build.
#
# KMODDIR Base path for loadable kernel modules
# (see lkm(4)). [/lkm]
#
# KMODOWN LKM owner. [${BINOWN}]
#
# KMODGRP LKM group. [${BINGRP}]
#
# KMODMODE LKM mode. [${BINMODE}]
#
# LINKS The list of LKM links; should be full pathnames, the
# linked-to file coming first, followed by the linked
# file. The files are hard-linked. For example, to link
# /lkm/master and /lkm/meister, use:
#
# LINKS= /lkm/master /lkm/meister
#
# LN_FLAGS Flags for ln(1) (see variable LINKS)
#
# MODLOAD Command to load a kernel module [/sbin/modload]
#
# MODUNLOAD Command to unload a kernel module [/sbin/modunload]
#
# NOMAN LKM does not have a manual page if set.
#
# PROG The name of the loadable kernel module to build.
# If not supplied, ${KMOD}.o is used.
#
# PSEUDO_LKM ???
#
# SRCS List of source files
#
# SUBDIR A list of subdirectories that should be built as well.
# Each of the targets will execute the same target in the
# subdirectories.
#
# DESTDIR, DISTDIR are set by other Makefiles (e.g. bsd.own.mk)
#
#
# +++ targets +++
#
# distribute:
# This is a variant of install, which will
# put the stuff into the right "distribution".
#
# install:
# install the program and its manual pages; if the Makefile
# does not itself define the target install, the targets
# beforeinstall and afterinstall may also be used to cause
# actions immediately before and after the install target
# is executed.
#
# load:
# Load LKM.
#
# unload:
# Unload LKM.
#
# bsd.obj.mk: clean, cleandir and obj
# bsd.dep.mk: cleandepend, depend and tags
# bsd.man.mk: maninstall
#
MODLOAD?= /sbin/modload
MODUNLOAD?= /sbin/modunload
.if !target(__initialized__)
__initialized__:
.if exists(${.CURDIR}/../Makefile.inc)
.include "${.CURDIR}/../Makefile.inc"
.endif
.endif
.SUFFIXES: .out .o .c .cc .cxx .C .y .l .s .S
CFLAGS+= ${COPTS} -DKERNEL -DACTUALLY_LKM_NOT_KERNEL ${CWARNFLAGS}
# Don't use any standard or source-relative include directories.
# Since -nostdinc will annull any previous -I paths, we repeat all
# such paths after -nostdinc. It doesn't seem to be possible to
# add to the front of `make' variable.
_ICFLAGS:= ${CFLAGS:M-I*}
CFLAGS+= -nostdinc -I- ${_ICFLAGS}
# Add -I paths for system headers. Individual LKM makefiles don't
# need any -I paths for this. Similar defaults for .PATH can't be
# set because there are no standard paths for non-headers.
CFLAGS+= -I${.OBJDIR} -I${.OBJDIR}/@
# XXX this is now dubious.
.if defined(DESTDIR)
CFLAGS+= -I${DESTDIR}/usr/include
.endif
# XXX temporary until we build ELF kernels.
CFLAGS+= -aout
LDFLAGS+= -aout
.if defined(NOSHARED) && ( ${NOSHARED} != "no" && ${NOSHARED} != "NO" )
LDFLAGS+= -static
.endif
EXPORT_SYMS?= _${KMOD}
.if defined(VFS_LKM)
CFLAGS+= -DVFS_LKM -DMODVNOPS=${KMOD}vnops
SRCS+= vnode_if.h
CLEANFILES+= vnode_if.h vnode_if.c
.endif
.if defined(PSEUDO_LKM)
CFLAGS+= -DPSEUDO_LKM
.endif
OBJS+= ${SRCS:N*.h:R:S/$/.o/g}
.if !defined(PROG)
PROG= ${KMOD}.o
.endif
${PROG}: ${OBJS} ${DPADD}
${LD} -r ${LDFLAGS:N-static} -o tmp.o ${OBJS}
.if defined(EXPORT_SYMS)
rm -f symb.tmp
for i in ${EXPORT_SYMS} ; do echo $$i >> symb.tmp ; done
symorder -c symb.tmp tmp.o
rm -f symb.tmp
.endif
mv tmp.o ${.TARGET}
.if !defined(NOMAN)
.include <bsd.man.mk>
.if !defined(_MANPAGES) || empty(_MANPAGES)
MAN1= ${KMOD}.4
.endif
.elif !target(maninstall)
maninstall: _SUBDIR
all-man:
.endif
_ILINKS=@ machine
.MAIN: all
all: objwarn ${PROG} all-man _SUBDIR
beforedepend ${OBJS}: ${_ILINKS}
# The search for the link targets works best if we are in a normal src
# tree, and not too deeply below src/lkm. If we are near "/", then
# we may find /sys - this is harmless. Other abnormal "sys" directories
# found in the search are likely to cause problems. If nothing is found,
# then the links default to /usr/include and /usr/include/machine.
${_ILINKS}:
@for up in ../.. ../../.. ; do \
case ${.TARGET} in \
machine) \
path=${.CURDIR}/$$up/sys/${MACHINE_ARCH}/include ; \
defaultpath=/usr/include/machine ;; \
@) \
path=${.CURDIR}/$$up/sys ; \
defaultpath=/usr/include ;; \
esac ; \
if [ -d $$path ] ; then break ; fi ; \
path=$$defaultpath ; \
done ; \
path=`(cd $$path && /bin/pwd)` ; \
${ECHO} ${.TARGET} "->" $$path ; \
ln -s $$path ${.TARGET}
CLEANFILES+= ${KMOD} ${PROG} ${OBJS} ${_ILINKS} lkm_verify_tmp symb.tmp tmp.o
.if !target(install)
.if !target(beforeinstall)
beforeinstall:
.endif
.if !target(afterinstall)
afterinstall:
.endif
realinstall: _SUBDIR
${INSTALL} ${COPY} -o ${KMODOWN} -g ${KMODGRP} -m ${KMODMODE} \
${INSTALLFLAGS} ${PROG} ${DESTDIR}${KMODDIR}
.if defined(LINKS) && !empty(LINKS)
@set ${LINKS}; \
while test $$# -ge 2; do \
l=${DESTDIR}$$1; \
shift; \
t=${DESTDIR}$$1; \
shift; \
${ECHO} $$t -\> $$l; \
rm -f $$t; \
ln ${LN_FLAGS} $$l $$t; \
done; true
.endif
install: afterinstall _SUBDIR
.if !defined(NOMAN)
afterinstall: realinstall maninstall
.else
afterinstall: realinstall
.endif
realinstall: beforeinstall
.endif
DISTRIBUTION?= bin
.if !target(distribute)
distribute: _SUBDIR
.for dist in ${DISTRIBUTION}
cd ${.CURDIR} ; $(MAKE) install DESTDIR=${DISTDIR}/${dist} SHARED=copies
.endfor
.endif
.if !target(load)
load: ${PROG}
${MODLOAD} -o ${KMOD} -e${KMOD} ${PROG}
.endif
.if !target(unload)
unload: ${PROG}
${MODUNLOAD} -n ${KMOD}
.endif
KERN= ${.CURDIR}/../../sys/kern
vnode_if.h: ${KERN}/vnode_if.sh ${KERN}/vnode_if.src
sh ${KERN}/vnode_if.sh ${KERN}/vnode_if.src
_sysregress: ${_INLINKS} ${PROG}
ld -A /sys/compile/LKM/kernel ${PROG} ${DEPLKMS} -o lkm_verify_tmp
rm lkm_verify_tmp
regress: _sysregress
.include <bsd.dep.mk>
.if !exists(${DEPENDFILE})
${OBJS}: ${SRCS:M*.h}
.endif
.include <bsd.obj.mk>
.include <bsd.kern.mk>
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