1# From: @(#)bsd.prog.mk 5.26 (Berkeley) 6/25/91 2# $Id: bsd.kmod.mk,v 1.60 1999/04/20 14:33:24 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# KERN Main Kernel source directory. [${.CURDIR}/../../sys/kern] 14# 15# KMOD The name of the loadable kernel module to build. 16# 17# KMODDIR Base path for loadable kernel modules 18# (see kld(4)). [/modules] 19# 20# KMODOWN LKM owner. [${BINOWN}] 21# 22# KMODGRP LKM group. [${BINGRP}] 23# 24# KMODMODE LKM mode. [${BINMODE}] 25# 26# LINKS The list of LKM links; should be full pathnames, the 27# linked-to file coming first, followed by the linked 28# file. The files are hard-linked. For example, to link 29# /modules/master and /modules/meister, use: 30# 31# LINKS= /modules/master /modules/meister 32# 33# MODLOAD Command to load a kernel module [/sbin/modload] 34# 35# MODUNLOAD Command to unload a kernel module [/sbin/modunload] 36# 37# NOMAN LKM does not have a manual page if set. 38# 39# PROG The name of the loadable kernel module to build. 40# If not supplied, ${KMOD}.o is used. 41# 42# SRCS List of source files 43# 44# KMODDEPS List of modules which this one is dependant on 45# 46# SUBDIR A list of subdirectories that should be built as well. 47# Each of the targets will execute the same target in the 48# subdirectories. 49# 50# SYMLINKS Same as LINKS, except it creates symlinks and the 51# linked-to pathname may be relative. 52# 53# DESTDIR, DISTDIR are set by other Makefiles (e.g. bsd.own.mk) 54# 55# 56# +++ targets +++ 57# 58# distribute: 59# This is a variant of install, which will 60# put the stuff into the right "distribution". 61# 62# install: 63# install the program and its manual pages; if the Makefile 64# does not itself define the target install, the targets 65# beforeinstall and afterinstall may also be used to cause 66# actions immediately before and after the install target 67# is executed. 68# 69# load: 70# Load LKM. 71# 72# unload: 73# Unload LKM. 74# 75# bsd.obj.mk: clean, cleandir and obj 76# bsd.dep.mk: cleandepend, depend and tags 77# bsd.man.mk: maninstall 78# 79 80MODLOAD?= /sbin/modload 81MODUNLOAD?= /sbin/modunload 82 83.if !target(__initialized__) 84__initialized__: 85.if exists(${.CURDIR}/../Makefile.inc) 86.include "${.CURDIR}/../Makefile.inc" 87.endif 88.endif 89 90.SUFFIXES: .out .o .c .cc .cxx .C .y .l .s .S 91 92CFLAGS+= ${COPTS} -DKERNEL ${CWARNFLAGS} 93CFLAGS+= -DKLD_MODULE 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.if defined(VFS_KLD) 113SRCS+= vnode_if.h 114CLEANFILES+= vnode_if.h vnode_if.c 115.endif 116 117.if ${OBJFORMAT} == elf 118CLEANFILES+= setdef0.c setdef1.c setdefs.h 119CLEANFILES+= setdef0.o setdef1.o 120.endif 121 122OBJS+= ${SRCS:N*.h:R:S/$/.o/g} 123 124.if !defined(PROG) 125PROG= ${KMOD}.ko 126.endif 127 128${PROG}: ${OBJS} ${DPADD} ${KMODDEPS} 129.if ${OBJFORMAT} == elf 130 gensetdefs ${OBJS} 131 ${CC} ${CFLAGS} -c setdef0.c 132 ${CC} ${CFLAGS} -c setdef1.c 133 ${LD} -Bshareable ${LDFLAGS} -o ${.TARGET} setdef0.o ${OBJS} setdef1.o ${KMODDEPS} 134.else 135 ${LD} -Bshareable ${LDFLAGS} -o ${.TARGET} ${OBJS} ${KMODDEPS} 136.endif 137 138.if defined(KMODDEPS) 139.for dep in ${KMODDEPS} 140CLEANFILES+= ${dep} __${dep}_hack_dep.c 141 142${dep}: 143 touch __${dep}_hack_dep.c 144 ${CC} -shared ${CFLAGS} -o ${dep} __${dep}_hack_dep.c 145.endfor 146.endif 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}: ${_ILINKS} 165 166# The search for the link targets works best if we are in a normal src 167# tree, and not too deeply below src/sys/modules. If we are near "/", then 168# we may find /sys - this is harmless. Other abnormal "sys" directories 169# found in the search are likely to cause problems. If nothing is found, 170# then the links default to /usr/include and /usr/include/machine. 171${_ILINKS}: 172 @set +x; for up in ../.. ../../.. ; do \ 173 case ${.TARGET} in \ 174 machine) \ 175 testpath=${.CURDIR}/$$up/${MACHINE_ARCH}/include ; \ 176 path=${.CURDIR}/$$up/${MACHINE_ARCH}/include ; \ 177 defaultpath=/usr/include/machine ;; \ 178 @) \ 179 testpath=${.CURDIR}/$$up/sys ; \ 180 path=${.CURDIR}/$$up ; \ 181 defaultpath=/usr/include ;; \ 182 esac ; \ 183 if [ -d $$testpath ] ; then break ; fi ; \ 184 path=$$defaultpath ; \ 185 done ; \ 186 path=`(cd $$path && /bin/pwd)` ; \ 187 ${ECHO} ${.TARGET} "->" $$path ; \ 188 ln -s $$path ${.TARGET} 189 190CLEANFILES+= ${PROG} ${OBJS} ${_ILINKS} symb.tmp tmp.o 191 192.if !target(install) 193.if !target(beforeinstall) 194beforeinstall: 195.endif 196.if !target(afterinstall) 197afterinstall: 198.endif 199 200realinstall: _SUBDIR 201 ${INSTALL} ${COPY} -o ${KMODOWN} -g ${KMODGRP} -m ${KMODMODE} \ 202 ${INSTALLFLAGS} ${PROG} ${DESTDIR}${KMODDIR} 203.if defined(LINKS) && !empty(LINKS) 204 @set ${LINKS}; \ 205 while test $$# -ge 2; do \ 206 l=${DESTDIR}$$1; \ 207 shift; \ 208 t=${DESTDIR}$$1; \ 209 shift; \ 210 ${ECHO} $$t -\> $$l; \ 211 ln -f $$l $$t; \ 212 done; true 213.endif 214.if defined(SYMLINKS) && !empty(SYMLINKS) 215 @set ${SYMLINKS}; \ 216 while test $$# -ge 2; do \ 217 l=$$1; \ 218 shift; \ 219 t=${DESTDIR}$$1; \ 220 shift; \ 221 ${ECHO} $$t -\> $$l; \ 222 ln -fs $$l $$t; \ 223 done; true 224.endif 225 226install: afterinstall _SUBDIR 227.if !defined(NOMAN) 228afterinstall: realinstall maninstall 229.else 230afterinstall: realinstall 231.endif 232realinstall: beforeinstall 233.endif 234 235DISTRIBUTION?= bin 236.if !target(distribute) 237distribute: _SUBDIR 238.for dist in ${DISTRIBUTION} 239 cd ${.CURDIR} ; $(MAKE) install DESTDIR=${DISTDIR}/${dist} SHARED=copies 240.endfor 241.endif 242 243.if !target(load) 244load: ${PROG} 245 ${MODLOAD} -o ${KMOD} -e${KMOD} ${PROG} 246.endif 247 248.if !target(unload) 249unload: ${PROG} 250 ${MODUNLOAD} -n ${KMOD} 251.endif 252 253.if exists(${.CURDIR}/../../kern) 254KERN= ${.CURDIR}/../../kern 255.else 256KERN= ${.CURDIR}/../../sys/kern 257.endif 258 259vnode_if.h: ${KERN}/vnode_if.sh ${KERN}/vnode_if.src 260 sh ${KERN}/vnode_if.sh ${KERN}/vnode_if.src 261 262regress: 263 264.include <bsd.dep.mk> 265 266.if !exists(${DEPENDFILE}) 267${OBJS}: ${SRCS:M*.h} 268.endif 269 270.include <bsd.obj.mk> 271 272.include <bsd.kern.mk> 273