1# From: @(#)bsd.prog.mk 5.26 (Berkeley) 6/25/91 2# $FreeBSD$ 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# KMOD The name of the kernel module to build. 13# 14# KMODDIR Base path for kernel modules (see kld(4)). [/boot/kernel] 15# 16# KMODOWN KLD owner. [${BINOWN}] 17# 18# KMODGRP KLD group. [${BINGRP}] 19# 20# KMODMODE KLD mode. [${BINMODE}] 21# 22# KMODLOAD Command to load a kernel module [/sbin/kldload] 23# 24# KMODUNLOAD Command to unload a kernel module [/sbin/kldunload] 25# 26# PROG The name of the kernel module to build. 27# If not supplied, ${KMOD}.o is used. 28# 29# SRCS List of source files 30# 31# DESTDIR Change the tree where the module gets installed. [not set] 32# 33# MFILES Optionally a list of interfaces used by the module. 34# This file contains a default list of interfaces. 35# 36# EXPORT_SYMS A list of symbols that should be exported from the module, 37# or the name of a file containing a list of symbols, or YES 38# to export all symbols. If not defined, no symbols are 39# exported. 40# 41# +++ targets +++ 42# 43# install: 44# install the kernel module; if the Makefile 45# does not itself define the target install, the targets 46# beforeinstall and afterinstall may also be used to cause 47# actions immediately before and after the install target 48# is executed. 49# 50# load: 51# Load KLD. 52# 53# unload: 54# Unload KLD. 55# 56# bsd.obj.mk: clean, cleandir and obj 57# bsd.dep.mk: cleandepend, depend and tags 58# 59 60AWK?= awk 61KMODLOAD?= /sbin/kldload 62KMODUNLOAD?= /sbin/kldunload 63OBJCOPY?= objcopy 64 65.if defined(KMODDEPS) 66.error "Do not use KMODDEPS on 5.0+, use MODULE_VERSION/MODULE_DEPEND" 67.endif 68 69.include <bsd.init.mk> 70 71.SUFFIXES: .out .o .c .cc .cxx .C .y .l .s .S 72 73CFLAGS+= ${COPTS} -D_KERNEL ${CWARNFLAGS} 74CFLAGS+= -DKLD_MODULE 75 76# Don't use any standard or source-relative include directories. 77# Since -nostdinc will annull any previous -I paths, we repeat all 78# such paths after -nostdinc. It doesn't seem to be possible to 79# add to the front of `make' variable. 80_ICFLAGS:= ${CFLAGS:M-I*} 81CFLAGS+= -nostdinc -I- ${INCLMAGIC} ${_ICFLAGS} 82 83# Add -I paths for system headers. Individual KLD makefiles don't 84# need any -I paths for this. Similar defaults for .PATH can't be 85# set because there are no standard paths for non-headers. 86CFLAGS+= -I. -I@ 87 88# Add a -I path to standard headers like <stddef.h>. Use a relative 89# path to src/include if possible. If the @ symlink hasn't been built 90# yet, then we can't tell if the relative path exists. Add both the 91# potential relative path and an absolute path in that case. 92.if exists(@) 93.if exists(@/../include) 94CFLAGS+= -I@/../include 95.else 96CFLAGS+= -I${DESTDIR}/usr/include 97.endif 98.else # !@ 99CFLAGS+= -I@/../include -I${DESTDIR}/usr/include 100.endif # @ 101 102CFLAGS+= -finline-limit=${INLINE_LIMIT} 103 104# Disallow common variables, and if we end up with commons from 105# somewhere unexpected, allocate storage for them in the module itself. 106CFLAGS+= -fno-common 107LDFLAGS+= -d -warn-common 108 109CFLAGS+= ${DEBUG_FLAGS} 110 111OBJS+= ${SRCS:N*.h:R:S/$/.o/g} 112 113.if !defined(PROG) 114PROG= ${KMOD}.ko 115.endif 116 117.if !defined(DEBUG) 118FULLPROG= ${PROG} 119.else 120FULLPROG= ${PROG}.debug 121${PROG}: ${FULLPROG} 122 ${OBJCOPY} --strip-debug ${FULLPROG} ${PROG} 123.endif 124 125${FULLPROG}: ${KMOD}.kld 126 ${LD} -Bshareable ${LDFLAGS} -o ${.TARGET} ${KMOD}.kld 127 128EXPORT_SYMS?= NO 129.if ${EXPORT_SYMS} != YES 130CLEANFILES+= ${.OBJDIR}/export_syms 131.endif 132 133${KMOD}.kld: ${OBJS} 134 ${LD} ${LDFLAGS} -r -d -o ${.TARGET} ${OBJS} 135.if defined(EXPORT_SYMS) 136.if ${EXPORT_SYMS} != YES 137.if ${EXPORT_SYMS} == NO 138 touch ${.OBJDIR}/export_syms 139.elif !exists(${.CURDIR}/${EXPORT_SYMS}) 140 echo ${EXPORT_SYMS} > ${.OBJDIR}/export_syms 141.else 142 grep -v '^#' < ${EXPORT_SYMS} > ${.OBJDIR}/export_syms 143.endif 144 awk -f ${SYSDIR}/conf/kmod_syms.awk ${.TARGET} \ 145 ${.OBJDIR}/export_syms | \ 146 xargs -J% ${OBJCOPY} % ${.TARGET} 147.endif 148.endif 149 150_ILINKS=@ machine 151 152all: objwarn ${PROG} 153 154beforedepend: ${_ILINKS} 155 @rm -f .depend 156 157# Ensure that the links exist without depending on it when it exists which 158# causes all the modules to be rebuilt when the directory pointed to changes. 159.for _link in ${_ILINKS} 160.if !exists(${.OBJDIR}/${_link}) 161${OBJS}: ${_link} 162.endif 163.endfor 164 165# Search for kernel source tree in standard places. 166.for _dir in ${.CURDIR}/../.. ${.CURDIR}/../../.. /sys /usr/src/sys 167.if !defined(SYSDIR) && exists(${_dir}/kern) 168SYSDIR= ${_dir} 169.endif 170.endfor 171.if !defined(SYSDIR) || !exists(${SYSDIR}/kern) 172.error "can't find kernel source tree" 173.endif 174 175${_ILINKS}: 176 @case ${.TARGET} in \ 177 machine) \ 178 path=${SYSDIR}/${MACHINE_ARCH}/include ;; \ 179 @) \ 180 path=${SYSDIR} ;; \ 181 esac ; \ 182 path=`(cd $$path && /bin/pwd)` ; \ 183 ${ECHO} ${.TARGET} "->" $$path ; \ 184 ln -s $$path ${.TARGET} 185 186CLEANFILES+= ${PROG} ${KMOD}.kld ${OBJS} ${_ILINKS} symb.tmp tmp.o 187 188.if defined(DEBUG) 189CLEANFILES+= ${FULLPROG} 190.endif 191 192.if !target(install) 193 194_INSTALLFLAGS:= ${INSTALLFLAGS} 195.for ie in ${INSTALLFLAGS_EDIT} 196_INSTALLFLAGS:= ${_INSTALLFLAGS${ie}} 197.endfor 198 199.if defined(DEBUG) 200install.debug: 201 cd ${.CURDIR}; ${MAKE} -DINSTALL_DEBUG install 202.endif 203 204.if !target(realinstall) 205realinstall: _kmodinstall 206.ORDER: beforeinstall _kmodinstall 207.if defined(DEBUG) && defined(INSTALL_DEBUG) 208_kmodinstall: 209 ${INSTALL} -o ${KMODOWN} -g ${KMODGRP} -m ${KMODMODE} \ 210 ${_INSTALLFLAGS} ${FULLPROG} ${DESTDIR}${KMODDIR} 211.else 212_kmodinstall: 213 ${INSTALL} -o ${KMODOWN} -g ${KMODGRP} -m ${KMODMODE} \ 214 ${_INSTALLFLAGS} ${PROG} ${DESTDIR}${KMODDIR} 215 216.include <bsd.links.mk> 217 218.if !defined(NO_XREF) 219afterinstall: _kldxref 220.ORDER: realinstall _kldxref 221.ORDER: _installlinks _kldxref 222_kldxref: 223 @if type kldxref >/dev/null 2>&1; then \ 224 ${ECHO} kldxref ${DESTDIR}${KMODDIR}; \ 225 kldxref ${DESTDIR}${KMODDIR}; \ 226 fi 227.endif 228.endif 229.endif !target(realinstall) 230 231.endif !target(install) 232 233.if !target(load) 234load: ${PROG} 235 ${KMODLOAD} -v ${.OBJDIR}/${KMOD}.ko 236.endif 237 238.if !target(unload) 239unload: 240 ${KMODUNLOAD} -v ${KMOD} 241.endif 242 243.for _src in ${SRCS:Mopt_*.h} 244CLEANFILES+= ${_src} 245.if !target(${_src}) 246${_src}: 247 touch ${.TARGET} 248.endif 249.endfor 250 251MFILES?= kern/bus_if.m kern/device_if.m dev/iicbus/iicbb_if.m \ 252 dev/iicbus/iicbus_if.m isa/isa_if.m \ 253 libkern/iconv_converter_if.m \ 254 dev/mii/miibus_if.m \ 255 dev/pccard/card_if.m dev/pccard/power_if.m dev/pci/pci_if.m \ 256 dev/pci/pcib_if.m dev/ppbus/ppbus_if.m dev/smbus/smbus_if.m \ 257 dev/usb/usb_if.m dev/sound/pcm/ac97_if.m dev/sound/pcm/channel_if.m \ 258 dev/sound/pcm/feeder_if.m dev/sound/pcm/mixer_if.m pci/agp_if.m \ 259 opencrypto/crypto_if.m pc98/pc98/canbus_if.m dev/uart/uart_if.m 260 261.for _srcsrc in ${MFILES} 262.for _ext in c h 263.for _src in ${SRCS:M${_srcsrc:T:R}.${_ext}} 264CLEANFILES+= ${_src} 265.if !target(${_src}) 266.if !exists(@) 267${_src}: @ 268.endif 269.if exists(@) 270${_src}: @/tools/makeobjops.awk @/${_srcsrc} 271.endif 272 ${AWK} -f @/tools/makeobjops.awk @/${_srcsrc} -${_ext} 273.endif 274.endfor # _src 275.endfor # _ext 276.endfor # _srcsrc 277 278.for _ext in c h 279.if ${SRCS:Mvnode_if.${_ext}} != "" 280CLEANFILES+= vnode_if.${_ext} 281.if !exists(@) 282vnode_if.${_ext}: @ 283.endif 284.if exists(@) 285vnode_if.${_ext}: @/tools/vnode_if.awk @/kern/vnode_if.src 286.endif 287 ${AWK} -f @/tools/vnode_if.awk @/kern/vnode_if.src -${_ext} 288.endif 289.endfor 290 291.if ${SRCS:Mmiidevs.h} != "" 292CLEANFILES+= miidevs.h 293.if !exists(@) 294miidevs.h: @ 295.endif 296.if exists(@) 297miidevs.h: @/tools/devlist2h.awk @/dev/mii/miidevs 298.endif 299 ${AWK} -f @/tools/devlist2h.awk @/dev/mii/miidevs 300.endif 301 302regress: 303 304lint: ${SRCS} 305 ${LINT} ${LINTKERNFLAGS} ${CFLAGS:M-[DILU]*} ${.ALLSRC:M*.c} 306 307.include <bsd.dep.mk> 308 309.if !exists(${.OBJDIR}/${DEPENDFILE}) 310${OBJS}: ${SRCS:M*.h} 311.endif 312 313.include <bsd.obj.mk> 314.include "kern.mk" 315