kmod.mk revision 58321
1# From: @(#)bsd.prog.mk 5.26 (Berkeley) 6/25/91 2# $FreeBSD: head/sys/conf/kmod.mk 58321 2000-03-20 01:29:59Z peter $ 3# 4# The include file <bsd.kmod.mk> handles installing Kernel Loadable Device 5# drivers (KLD's). 6# 7# 8# +++ variables +++ 9# 10# CLEANFILES Additional files to remove for the clean and cleandir targets. 11# 12# DISTRIBUTION Name of distribution. [bin] 13# 14# KERN Main Kernel source directory. [${.CURDIR}/../../sys/kern] 15# 16# KMOD The name of the kernel module to build. 17# 18# KMODDIR Base path for kernel modules (see kld(4)). [/modules] 19# 20# KMODOWN KLD owner. [${BINOWN}] 21# 22# KMODGRP KLD group. [${BINGRP}] 23# 24# KMODMODE KLD mode. [${BINMODE}] 25# 26# LINKS The list of KLD 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# KMODLOAD Command to load a kernel module [/sbin/kldload] 34# 35# KMODUNLOAD Command to unload a kernel module [/sbin/kldunload] 36# 37# NOMAN KLD does not have a manual page if set. 38# 39# PROG The name of the kernel module to build. 40# If not supplied, ${KMOD}.o is used. 41# 42# SRCS List of source files 43# 44# KMODDEPS List of modules which this one is dependant on 45# 46# SUBDIR A list of subdirectories that should be built as well. 47# Each of the targets will execute the same target in the 48# subdirectories. 49# 50# SYMLINKS Same as LINKS, except it creates symlinks and the 51# linked-to pathname may be relative. 52# 53# DESTDIR, DISTDIR are set by other Makefiles (e.g. bsd.own.mk) 54# 55# 56# +++ targets +++ 57# 58# distribute: 59# This is a variant of install, which will 60# put the stuff into the right "distribution". 61# 62# install: 63# install the program and its manual pages; if the Makefile 64# does not itself define the target install, the targets 65# beforeinstall and afterinstall may also be used to cause 66# actions immediately before and after the install target 67# is executed. 68# 69# load: 70# Load KLD. 71# 72# unload: 73# Unload KLD. 74# 75# bsd.obj.mk: clean, cleandir and obj 76# bsd.dep.mk: cleandepend, depend and tags 77# bsd.man.mk: maninstall 78# 79 80KMODLOAD?= /sbin/kldload 81KMODUNLOAD?= /sbin/kldunload 82 83.if !target(__initialized__) 84__initialized__: 85.if exists(${.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} -D_KERNEL ${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- ${_ICFLAGS} 101 102# Add -I paths for system headers. Individual KLD makefiles don't 103# need any -I paths for this. Similar defaults for .PATH can't be 104# set because there are no standard paths for non-headers. 105CFLAGS+= -I. -I@ 106 107# Add a -I path to standard headers like <stddef.h>. Use a relative 108# path to src/include if possible. If the @ symlink hasn't been built 109# yet, then we can't tell if the relative path exists. Add both the 110# potential relative path and an absolute path in that case. 111.if exists(@) 112.if exists(@/../include) 113CFLAGS+= -I@/../include 114.else 115CFLAGS+= -I${DESTDIR}/usr/include 116.endif 117.else # !@ 118CFLAGS+= -I@/../include -I${DESTDIR}/usr/include 119.endif # @ 120 121CFLAGS+= ${DEBUG_FLAGS} 122 123.if ${OBJFORMAT} == elf 124CLEANFILES+= setdef0.c setdef1.c setdefs.h 125CLEANFILES+= setdef0.o setdef1.o 126.endif 127 128OBJS+= ${SRCS:N*.h:R:S/$/.o/g} 129 130.if !defined(PROG) 131PROG= ${KMOD}.ko 132.endif 133 134${PROG}: ${KMOD}.kld ${KMODDEPS} 135 ${LD} -Bshareable ${LDFLAGS} -o ${.TARGET} ${KMOD}.kld ${KMODDEPS} 136 137${KMOD}.kld: ${OBJS} 138.if ${OBJFORMAT} == elf 139 gensetdefs ${OBJS} 140 ${CC} ${CFLAGS} -c setdef0.c 141 ${CC} ${CFLAGS} -c setdef1.c 142 ${LD} ${LDFLAGS} -r -o ${.TARGET} setdef0.o ${OBJS} setdef1.o 143.else 144 ${LD} ${LDFLAGS} -r -o ${.TARGET} ${OBJS} 145.endif 146 147.if defined(KMODDEPS) 148.for dep in ${KMODDEPS} 149CLEANFILES+= ${dep} __${dep}_hack_dep.c 150 151${dep}: 152 touch __${dep}_hack_dep.c 153 ${CC} -shared ${CFLAGS} -o ${dep} __${dep}_hack_dep.c 154.endfor 155.endif 156 157.if !defined(NOMAN) 158.include <bsd.man.mk> 159.if !defined(_MANPAGES) || empty(_MANPAGES) 160MAN1= ${KMOD}.4 161.endif 162 163.elif !target(maninstall) 164maninstall: _SUBDIR 165all-man: 166.endif 167 168_ILINKS=@ machine 169 170.MAIN: all 171all: objwarn ${PROG} all-man _SUBDIR 172 173beforedepend ${OBJS}: ${_ILINKS} 174 175# The search for the link targets works best if we are in a normal src 176# tree, and not too deeply below src/sys/modules. If we are near "/", then 177# we may find /sys - this is harmless. Other abnormal "sys" directories 178# found in the search are likely to cause problems. If nothing is found, 179# then the links default to /usr/include and /usr/include/machine. 180${_ILINKS}: 181 @set +x; for up in ../.. ../../.. ; do \ 182 case ${.TARGET} in \ 183 machine) \ 184 testpath=${.CURDIR}/$$up/${MACHINE_ARCH}/include ; \ 185 path=${.CURDIR}/$$up/${MACHINE_ARCH}/include ; \ 186 defaultpath=/usr/include/machine ;; \ 187 @) \ 188 testpath=${.CURDIR}/$$up/sys ; \ 189 path=${.CURDIR}/$$up ; \ 190 defaultpath=/usr/include ;; \ 191 esac ; \ 192 if [ -d $$testpath ] ; then break ; fi ; \ 193 path=$$defaultpath ; \ 194 done ; \ 195 path=`(cd $$path && /bin/pwd)` ; \ 196 ${ECHO} ${.TARGET} "->" $$path ; \ 197 ln -s $$path ${.TARGET} 198 199CLEANFILES+= ${PROG} ${KMOD}.kld ${OBJS} ${_ILINKS} symb.tmp tmp.o 200 201.if !target(install) 202.if !target(beforeinstall) 203beforeinstall: 204.endif 205.if !target(afterinstall) 206afterinstall: 207.endif 208 209_INSTALLFLAGS:= ${INSTALLFLAGS} 210.for ie in ${INSTALLFLAGS_EDIT} 211_INSTALLFLAGS:= ${_INSTALLFLAGS${ie}} 212.endfor 213 214realinstall: _SUBDIR 215 ${INSTALL} ${COPY} -o ${KMODOWN} -g ${KMODGRP} -m ${KMODMODE} \ 216 ${_INSTALLFLAGS} ${PROG} ${DESTDIR}${KMODDIR} 217.if defined(LINKS) && !empty(LINKS) 218 @set ${LINKS}; \ 219 while test $$# -ge 2; do \ 220 l=${DESTDIR}$$1; \ 221 shift; \ 222 t=${DESTDIR}$$1; \ 223 shift; \ 224 ${ECHO} $$t -\> $$l; \ 225 ln -f $$l $$t; \ 226 done; true 227.endif 228.if defined(SYMLINKS) && !empty(SYMLINKS) 229 @set ${SYMLINKS}; \ 230 while test $$# -ge 2; do \ 231 l=$$1; \ 232 shift; \ 233 t=${DESTDIR}$$1; \ 234 shift; \ 235 ${ECHO} $$t -\> $$l; \ 236 ln -fs $$l $$t; \ 237 done; true 238.endif 239 240install: afterinstall _SUBDIR 241.if !defined(NOMAN) 242afterinstall: realinstall maninstall 243.else 244afterinstall: realinstall 245.endif 246realinstall: beforeinstall 247.endif 248 249DISTRIBUTION?= bin 250.if !target(distribute) 251distribute: _SUBDIR 252.for dist in ${DISTRIBUTION} 253 cd ${.CURDIR} ; $(MAKE) install DESTDIR=${DISTDIR}/${dist} SHARED=copies 254.endfor 255.endif 256 257.if !target(load) 258load: ${PROG} install 259 ${KMODLOAD} ${KMOD} 260.endif 261 262.if !target(unload) 263unload: 264 ${KMODUNLOAD} ${KMOD} 265.endif 266 267.if exists(${.CURDIR}/../../kern) 268KERN= ${.CURDIR}/../../kern 269.else 270KERN= ${.CURDIR}/../../sys/kern 271.endif 272 273.for _src in ${SRCS:Mopt_*.h} 274CLEANFILES+= ${_src} 275.if !target(${_src}) 276${_src}: 277 touch ${.TARGET} 278.endif 279.endfor 280 281.for _srcsrc in kern/bus_if.m kern/device_if.m dev/iicbus/iicbb_if.m \ 282 dev/iicbus/iicbus_if.m isa/isa_if.m dev/mii/miibus_if.m \ 283 dev/pccard/card_if.m dev/pccard/power_if.m pci/pci_if.m \ 284 dev/ppbus/ppbus_if.m dev/smbus/smbus_if.m dev/usb/usb_if.m 285.for _ext in c h 286.for _src in ${SRCS:M${_srcsrc:T:R}.${_ext}} 287CLEANFILES+= ${_src} 288.if !target(${_src}) 289${_src}: @ 290.if exists(@) 291${_src}: @/kern/makedevops.pl @/${_srcsrc} 292.endif 293 perl @/kern/makedevops.pl -${_ext} @/${_srcsrc} 294.endif 295.endfor # _src 296.endfor # _ext 297.endfor # _srcsrc 298 299.for _ext in c h 300.if ${SRCS:Mvnode_if.${_ext}} != "" 301CLEANFILES+= vnode_if.${_ext} 302vnode_if.${_ext}: @ 303.if exists(@) 304vnode_if.${_ext}: @/kern/vnode_if.pl @/kern/vnode_if.src 305.endif 306 perl @/kern/vnode_if.pl -${_ext} @/kern/vnode_if.src 307.endif 308.endfor 309 310regress: 311 312.include <bsd.dep.mk> 313 314.if !exists(${DEPENDFILE}) 315${OBJS}: ${SRCS:M*.h} 316.endif 317 318.include <bsd.obj.mk> 319 320.include <bsd.kern.mk> 321