1# From: @(#)bsd.prog.mk 5.26 (Berkeley) 6/25/91 2# $Id: bsd.kmod.mk,v 1.51 1998/08/08 07:02:07 peter Exp $ 3# 4# The include file <bsd.kmod.mk> handles installing Loadable Kernel Modules. 5# 6# 7# +++ variables +++ 8# 9# CLEANFILES Additional files to remove for the clean and cleandir targets. 10# 11# DISTRIBUTION Name of distribution. [bin] 12# 13# EXPORT_SYMS ??? 14# 15# KERN Main Kernel source directory. [${.CURDIR}/../../sys/kern] 16# 17# KMOD The name of the loadable kernel module to build. 18# 19# KMODDIR Base path for loadable kernel modules 20# (see lkm(4)). [/lkm] 21# 22# KMODOWN LKM owner. [${BINOWN}] 23# 24# KMODGRP LKM group. [${BINGRP}] 25# 26# KMODMODE LKM mode. [${BINMODE}] 27# 28# LINKS The list of LKM links; should be full pathnames, the 29# linked-to file coming first, followed by the linked 30# file. The files are hard-linked. For example, to link 31# /lkm/master and /lkm/meister, use: 32# 33# LINKS= /lkm/master /lkm/meister 34# 35# LN_FLAGS Flags for ln(1) (see variable LINKS) 36# 37# MODLOAD Command to load a kernel module [/sbin/modload] 38# 39# MODUNLOAD Command to unload a kernel module [/sbin/modunload] 40# 41# NOMAN LKM does not have a manual page if set. 42# 43# PROG The name of the loadable kernel module to build. 44# If not supplied, ${KMOD}.o is used. 45# 46# PSEUDO_LKM ??? 47# 48# SRCS List of source files 49# 50# SUBDIR A list of subdirectories that should be built as well. 51# Each of the targets will execute the same target in the 52# subdirectories. 53# 54# DESTDIR, DISTDIR are set by other Makefiles (e.g. bsd.own.mk) 55# 56# 57# +++ targets +++ 58# 59# distribute: 60# This is a variant of install, which will 61# put the stuff into the right "distribution". 62# 63# install: 64# install the program and its manual pages; if the Makefile 65# does not itself define the target install, the targets 66# beforeinstall and afterinstall may also be used to cause 67# actions immediately before and after the install target 68# is executed. 69# 70# load: 71# Load LKM. 72# 73# unload: 74# Unload LKM. 75# 76# bsd.obj.mk: clean, cleandir and obj 77# bsd.dep.mk: cleandepend, depend and tags 78# bsd.man.mk: maninstall 79# 80 81MODLOAD?= /sbin/modload 82MODUNLOAD?= /sbin/modunload 83 84.if !target(__initialized__) 85__initialized__: 86.if exists(${.CURDIR}/../Makefile.inc) 87.include "${.CURDIR}/../Makefile.inc" 88.endif 89.endif 90 91.SUFFIXES: .out .o .c .cc .cxx .C .y .l .s .S 92 93CFLAGS+= ${COPTS} -DKERNEL -DACTUALLY_LKM_NOT_KERNEL ${CWARNFLAGS} 94 95# Don't use any standard or source-relative include directories. 96# Since -nostdinc will annull any previous -I paths, we repeat all 97# such paths after -nostdinc. It doesn't seem to be possible to 98# add to the front of `make' variable. 99_ICFLAGS:= ${CFLAGS:M-I*} 100CFLAGS+= -nostdinc -I- ${_ICFLAGS} 101 102# Add -I paths for system headers. Individual LKM makefiles don't 103# need any -I paths for this. Similar defaults for .PATH can't be 104# set because there are no standard paths for non-headers. 105CFLAGS+= -I${.OBJDIR} -I${.OBJDIR}/@ 106 107# XXX this is now dubious. 108.if defined(DESTDIR) 109CFLAGS+= -I${DESTDIR}/usr/include 110.endif 111 112# XXX temporary until we build ELF kernels. 113CFLAGS+= -aout 114LDFLAGS+= -aout 115 116.if defined(NOSHARED) && ( ${NOSHARED} != "no" && ${NOSHARED} != "NO" ) 117LDFLAGS+= -static 118.endif 119 120EXPORT_SYMS?= _${KMOD} 121 122.if defined(VFS_LKM) 123CFLAGS+= -DVFS_LKM -DMODVNOPS=${KMOD}vnops 124SRCS+= vnode_if.h 125CLEANFILES+= vnode_if.h vnode_if.c 126.endif 127 128.if defined(PSEUDO_LKM) 129CFLAGS+= -DPSEUDO_LKM 130.endif 131 132OBJS+= ${SRCS:N*.h:R:S/$/.o/g} 133 134.if !defined(PROG) 135PROG= ${KMOD}.o 136.endif 137 138${PROG}: ${OBJS} ${DPADD} 139 ${LD} -r ${LDFLAGS:N-static} -o tmp.o ${OBJS} 140.if defined(EXPORT_SYMS) 141 rm -f symb.tmp 142 for i in ${EXPORT_SYMS} ; do echo $$i >> symb.tmp ; done 143 symorder -c symb.tmp tmp.o 144 rm -f symb.tmp 145.endif 146 mv tmp.o ${.TARGET} 147 148.if !defined(NOMAN) 149.include <bsd.man.mk> 150.if !defined(_MANPAGES) || empty(_MANPAGES) 151MAN1= ${KMOD}.4 152.endif 153 154.elif !target(maninstall) 155maninstall: _SUBDIR 156all-man: 157.endif 158 159_ILINKS=@ machine 160 161.MAIN: all 162all: objwarn ${PROG} all-man _SUBDIR 163 164beforedepend ${OBJS}: ${_ILINKS} 165 166# The search for the link targets works best if we are in a normal src 167# tree, and not too deeply below src/lkm. If we are near "/", then 168# we may find /sys - this is harmless. Other abnormal "sys" directories 169# found in the search are likely to cause problems. If nothing is found, 170# then the links default to /usr/include and /usr/include/machine. 171${_ILINKS}: 172 @for up in ../.. ../../.. ; do \ 173 case ${.TARGET} in \ 174 machine) \ 175 path=${.CURDIR}/$$up/sys/${MACHINE_ARCH}/include ; \ 176 defaultpath=/usr/include/machine ;; \ 177 @) \ 178 path=${.CURDIR}/$$up/sys ; \ 179 defaultpath=/usr/include ;; \ 180 esac ; \ 181 if [ -d $$path ] ; then break ; fi ; \ 182 path=$$defaultpath ; \ 183 done ; \ 184 path=`(cd $$path && /bin/pwd)` ; \ 185 ${ECHO} ${.TARGET} "->" $$path ; \ 186 ln -s $$path ${.TARGET} 187 188CLEANFILES+= ${KMOD} ${PROG} ${OBJS} ${_ILINKS} lkm_verify_tmp symb.tmp tmp.o 189 190.if !target(install) 191.if !target(beforeinstall) 192beforeinstall: 193.endif 194.if !target(afterinstall) 195afterinstall: 196.endif 197 198realinstall: _SUBDIR 199 ${INSTALL} ${COPY} -o ${KMODOWN} -g ${KMODGRP} -m ${KMODMODE} \ 200 ${INSTALLFLAGS} ${PROG} ${DESTDIR}${KMODDIR} 201.if defined(LINKS) && !empty(LINKS) 202 @set ${LINKS}; \ 203 while test $$# -ge 2; do \ 204 l=${DESTDIR}$$1; \ 205 shift; \ 206 t=${DESTDIR}$$1; \ 207 shift; \ 208 ${ECHO} $$t -\> $$l; \ 209 rm -f $$t; \ 210 ln ${LN_FLAGS} $$l $$t; \ 211 done; true 212.endif 213 214install: afterinstall _SUBDIR 215.if !defined(NOMAN) 216afterinstall: realinstall maninstall 217.else 218afterinstall: realinstall 219.endif 220realinstall: beforeinstall 221.endif 222 223DISTRIBUTION?= bin 224.if !target(distribute) 225distribute: _SUBDIR 226.for dist in ${DISTRIBUTION} 227 cd ${.CURDIR} ; $(MAKE) install DESTDIR=${DISTDIR}/${dist} SHARED=copies 228.endfor 229.endif 230 231.if !target(load) 232load: ${PROG} 233 ${MODLOAD} -o ${KMOD} -e${KMOD} ${PROG} 234.endif 235 236.if !target(unload) 237unload: ${PROG} 238 ${MODUNLOAD} -n ${KMOD} 239.endif 240 241KERN= ${.CURDIR}/../../sys/kern 242 243vnode_if.h: ${KERN}/vnode_if.sh ${KERN}/vnode_if.src 244 sh ${KERN}/vnode_if.sh ${KERN}/vnode_if.src 245 246_sysregress: ${_INLINKS} ${PROG} 247 ld -A /sys/compile/LKM/kernel ${PROG} ${DEPLKMS} -o lkm_verify_tmp 248 rm lkm_verify_tmp 249 250regress: _sysregress 251 252.include <bsd.dep.mk> 253 254.if !exists(${DEPENDFILE}) 255${OBJS}: ${SRCS:M*.h} 256.endif 257 258.include <bsd.obj.mk> 259 260.include <bsd.kern.mk> 261