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} ${_ICFLAGS} 82 83# Add -I paths for system headers. Individual KLD makefiles don't 84# need any -I paths for this. Similar defaults for .PATH can't be 85# set because there are no standard paths for non-headers. 86CFLAGS+= -I. -I@ -I@/dev 87 88# Add a -I path to standard headers like <stddef.h>. Use a relative 89# path to src/include if possible. If the @ symlink hasn't been built 90# yet, then we can't tell if the relative path exists. Add both the 91# potential relative path and an absolute path in that case. 92.if exists(@) 93.if exists(@/../include) 94CFLAGS+= -I@/../include 95.else 96CFLAGS+= -I${DESTDIR}/usr/include 97.endif 98.else # !@ 99CFLAGS+= -I@/../include -I${DESTDIR}/usr/include 100.endif # @ 101 102# Disallow common variables, and if we end up with commons from 103# somewhere unexpected, allocate storage for them in the module itself. 104CFLAGS+= -fno-common 105LDFLAGS+= -d -warn-common 106 107CFLAGS+= ${DEBUG_FLAGS} 108 109OBJS+= ${SRCS:N*.h:R:S/$/.o/g} 110 111.if !defined(PROG) 112PROG= ${KMOD}.ko 113.endif 114 115.if !defined(DEBUG) 116FULLPROG= ${PROG} 117.else 118FULLPROG= ${PROG}.debug 119${PROG}: ${FULLPROG} 120 ${OBJCOPY} --strip-debug ${FULLPROG} ${PROG} 121.endif 122 123${FULLPROG}: ${KMOD}.kld 124 ${LD} -Bshareable ${LDFLAGS} -o ${.TARGET} ${KMOD}.kld 125 126EXPORT_SYMS?= NO 127.if ${EXPORT_SYMS} != YES 128CLEANFILES+= ${.OBJDIR}/export_syms 129.endif 130 131${KMOD}.kld: ${OBJS} 132 ${LD} ${LDFLAGS} -r -d -o ${.TARGET} ${OBJS} 133.if defined(EXPORT_SYMS) 134.if ${EXPORT_SYMS} != YES 135.if ${EXPORT_SYMS} == NO 136 touch ${.OBJDIR}/export_syms 137.elif !exists(${.CURDIR}/${EXPORT_SYMS}) 138 echo ${EXPORT_SYMS} > ${.OBJDIR}/export_syms 139.else 140 grep -v '^#' < ${EXPORT_SYMS} > ${.OBJDIR}/export_syms 141.endif 142 awk -f ${SYSDIR}/conf/kmod_syms.awk ${.TARGET} \ 143 ${.OBJDIR}/export_syms | \ 144 xargs -J% ${OBJCOPY} % ${.TARGET} 145.endif 146.endif 147 148_ILINKS=@ machine 149 150all: objwarn ${PROG} 151 152beforedepend: ${_ILINKS} 153 @rm -f .depend 154 155# Ensure that the links exist without depending on it when it exists which 156# causes all the modules to be rebuilt when the directory pointed to changes. 157.for _link in ${_ILINKS} 158.if !exists(${.OBJDIR}/${_link}) 159${OBJS}: ${_link} 160.endif 161.endfor 162 163# Search for kernel source tree in standard places. 164.for _dir in ${.CURDIR}/../.. ${.CURDIR}/../../.. /sys /usr/src/sys 165.if !defined(SYSDIR) && exists(${_dir}/kern/) 166SYSDIR= ${_dir} 167.endif 168.endfor 169.if !defined(SYSDIR) || !exists(${SYSDIR}/kern) 170.error "can't find kernel source tree" 171.endif 172 173${_ILINKS}: 174 @case ${.TARGET} in \ 175 machine) \ 176 path=${SYSDIR}/${MACHINE_ARCH}/include ;; \ 177 @) \ 178 path=${SYSDIR} ;; \ 179 esac ; \ 180 path=`(cd $$path && /bin/pwd)` ; \ 181 ${ECHO} ${.TARGET} "->" $$path ; \ 182 ln -s $$path ${.TARGET} 183 184CLEANFILES+= ${PROG} ${FULLPROG} ${KMOD}.kld ${OBJS} ${_ILINKS} symb.tmp tmp.o 185 186.if !target(install) 187 188_INSTALLFLAGS:= ${INSTALLFLAGS} 189.for ie in ${INSTALLFLAGS_EDIT} 190_INSTALLFLAGS:= ${_INSTALLFLAGS${ie}} 191.endfor 192 193.if defined(DEBUG) 194install.debug: 195 cd ${.CURDIR}; ${MAKE} -DINSTALL_DEBUG install 196.endif 197 198.if !target(realinstall) 199realinstall: _kmodinstall 200.ORDER: beforeinstall _kmodinstall 201.if defined(DEBUG) && defined(INSTALL_DEBUG) 202_kmodinstall: 203 ${INSTALL} -o ${KMODOWN} -g ${KMODGRP} -m ${KMODMODE} \ 204 ${_INSTALLFLAGS} ${FULLPROG} ${DESTDIR}${KMODDIR} 205.else 206_kmodinstall: 207 ${INSTALL} -o ${KMODOWN} -g ${KMODGRP} -m ${KMODMODE} \ 208 ${_INSTALLFLAGS} ${PROG} ${DESTDIR}${KMODDIR} 209 210.include <bsd.links.mk> 211 212.if !defined(NO_XREF) 213afterinstall: _kldxref 214.ORDER: realinstall _kldxref 215.ORDER: _installlinks _kldxref 216_kldxref: 217 @if type kldxref >/dev/null 2>&1; then \ 218 ${ECHO} kldxref ${DESTDIR}${KMODDIR}; \ 219 kldxref ${DESTDIR}${KMODDIR}; \ 220 fi 221.endif 222.endif 223.endif !target(realinstall) 224 225.endif !target(install) 226 227.if !target(load) 228load: ${PROG} 229 ${KMODLOAD} -v ${.OBJDIR}/${KMOD}.ko 230.endif 231 232.if !target(unload) 233unload: 234 ${KMODUNLOAD} -v ${KMOD} 235.endif 236 237.for _src in ${SRCS:Mopt_*.h} 238CLEANFILES+= ${_src} 239.if !target(${_src}) 240${_src}: 241 touch ${.TARGET} 242.endif 243.endfor 244 245MFILES?= kern/bus_if.m kern/device_if.m dev/iicbus/iicbb_if.m \ 246 dev/iicbus/iicbus_if.m isa/isa_if.m \ 247 libkern/iconv_converter_if.m \ 248 dev/mii/miibus_if.m \ 249 dev/pccard/card_if.m dev/pccard/power_if.m dev/pci/pci_if.m \ 250 dev/pci/pcib_if.m dev/ppbus/ppbus_if.m dev/smbus/smbus_if.m \ 251 dev/usb/usb_if.m dev/sound/pcm/ac97_if.m dev/sound/pcm/channel_if.m \ 252 dev/sound/pcm/feeder_if.m dev/sound/pcm/mixer_if.m pci/agp_if.m \ 253 opencrypto/crypto_if.m 254 255.for _srcsrc in ${MFILES} 256.for _ext in c h 257.for _src in ${SRCS:M${_srcsrc:T:R}.${_ext}} 258CLEANFILES+= ${_src} 259.if !target(${_src}) 260.if !exists(@) 261${_src}: @ 262.endif 263.if exists(@) 264${_src}: @/tools/makeobjops.awk @/${_srcsrc} 265.endif 266 ${AWK} -f @/tools/makeobjops.awk @/${_srcsrc} -${_ext} 267.endif 268.endfor # _src 269.endfor # _ext 270.endfor # _srcsrc 271 272.for _ext in c h 273.if ${SRCS:Mvnode_if.${_ext}} != "" 274CLEANFILES+= vnode_if.${_ext} 275.if !exists(@) 276vnode_if.${_ext}: @ 277.endif 278.if exists(@) 279vnode_if.${_ext}: @/tools/vnode_if.awk @/kern/vnode_if.src 280.endif 281 ${AWK} -f @/tools/vnode_if.awk @/kern/vnode_if.src -${_ext} 282.endif 283.endfor 284 285regress: 286 287lint: ${SRCS} 288 ${LINT} ${LINTKERNFLAGS} ${CFLAGS:M-[DILU]*} ${.ALLSRC:M*.c} 289 290.include <bsd.dep.mk> 291 292.if !exists(${DEPENDFILE}) 293${OBJS}: ${SRCS:M*.h} 294.endif 295 296.include <bsd.obj.mk> 297.include <bsd.kern.mk> 298