1# From: @(#)bsd.prog.mk 5.26 (Berkeley) 6/25/91 2# $FreeBSD: src/sys/conf/kmod.mk,v 1.82.2.15 2003/02/10 13:11:50 nyan Exp $ 3# $DragonFly: src/sys/conf/kmod.mk,v 1.35 2008/08/27 16:35:19 hasso Exp $ 4# 5# The include file <bsd.kmod.mk> handles installing Kernel Loadable Device 6# drivers (KLD's). 7# 8# 9# +++ variables +++ 10# 11# CLEANFILES Additional files to remove for the clean and cleandir targets. 12# 13# KMOD The name of the kernel module to build. 14# 15# KMODDIR Base path for kernel modules (see kld(4)). 16# [${DESTKERNDIR}/${DESTMODULESNAME}] 17# 18# KMODOWN KLD owner. [${BINOWN}] 19# 20# KMODGRP KLD group. [${BINGRP}] 21# 22# KMODMODE KLD mode. [${BINMODE}] 23# 24# KMODLOAD Command to load a kernel module [/sbin/kldload] 25# 26# KMODUNLOAD Command to unload a kernel module [/sbin/kldunload] 27# 28# PROG The name of the kernel module to build. 29# If not supplied, ${KMOD}.o is used. 30# 31# SRCS List of source files 32# 33# DESTKERNDIR Change the tree where the kernel and the modules get 34# installed. [/boot] ${DESTDIR} changes the root of the tree 35# pointed to by ${DESTKERNDIR}. 36# 37# MFILES Optionally a list of interfaces used by the module. 38# This file contains a default list of interfaces. 39# 40# +++ targets +++ 41# 42# install: 43# install the kernel module and its manual pages; if the Makefile 44# does not itself define the target install, the targets 45# beforeinstall and afterinstall may also be used to cause 46# actions immediately before and after the install target 47# is executed. 48# 49# load: 50# Load KLD. 51# 52# unload: 53# Unload KLD. 54# 55# bsd.obj.mk: clean, cleandir and obj 56# bsd.dep.mk: cleandepend, depend and tags 57# 58 59OBJCOPY?= objcopy 60KMODLOAD?= /sbin/kldload 61KMODUNLOAD?= /sbin/kldunload 62 63KMODDIR?= ${DESTKERNDIR}/${DESTMODULESNAME} 64KMODOWN?= ${BINOWN} 65KMODGRP?= ${BINGRP} 66KMODMODE?= ${BINMODE} 67 68.include <bsd.init.mk> 69 70.SUFFIXES: .out .o .c .cc .cxx .C .y .l .s .S 71 72CFLAGS+= ${COPTS} -D_KERNEL ${CWARNFLAGS} 73CFLAGS+= -DKLD_MODULE 74 75# Don't use any standard include directories. 76# Since -nostdinc will annull any previous -I paths, we repeat all 77# such paths after -nostdinc. It doesn't seem to be possible to 78# add to the front of `make' variable. 79# 80# Don't use -I- anymore, source-relative includes are desireable. 81_ICFLAGS:= ${CFLAGS:M-I*} 82CFLAGS+= -nostdinc ${_ICFLAGS} 83 84# Add -I paths for system headers. Individual KLD makefiles don't 85# need any -I paths for this. Similar defaults for .PATH can't be 86# set because there are no standard paths for non-headers. 87# 88# NOTE! Traditional architecture paths such as <i386/i386/blah.h> 89# must run through the "machine_base" softlink using 90# <machine_base/i386/blah.h>. An explicit cross-architecture path must 91# operate relative to /usr/src/sys using e.g. <arch/i386/i386/blah.h> 92# 93CFLAGS+= -I. -I@ 94 95# Add -I paths for headers in the kernel build directory 96# 97.if defined(BUILDING_WITH_KERNEL) 98CFLAGS+= -I${BUILDING_WITH_KERNEL} 99_MACHINE_FWD= ${BUILDING_WITH_KERNEL} 100.else 101.if defined(MAKEOBJDIRPREFIX) 102_MACHINE_FWD= ${MAKEOBJDIRPREFIX}/${SYSDIR}/forwarder_${MACHINE_ARCH} 103.else 104_MACHINE_FWD= ${.OBJDIR}/forwarder_${MACHINE_ARCH} 105CLEANDIRS+= ${_MACHINE_FWD} 106.endif 107.endif 108CFLAGS+= -I${_MACHINE_FWD}/include 109.include "kern.fwd.mk" 110 111# Add a -I path to standard headers like <stddef.h>. Use a relative 112# path to src/include if possible. If the @ symlink hasn't been built 113# yet, then we can't tell if the relative path exists. Add both the 114# potential relative path and an absolute path in that case. 115.if exists(@) 116.if exists(@/../include) 117CFLAGS+= -I@/../include 118.else 119CFLAGS+= -I${DESTDIR}/usr/include 120.endif 121.else # !@ 122CFLAGS+= -I@/../include -I${DESTDIR}/usr/include 123.endif # @ 124 125.if defined(BUILDING_WITH_KERNEL) && \ 126 exists(${BUILDING_WITH_KERNEL}/opt_global.h) 127CFLAGS+= -include ${BUILDING_WITH_KERNEL}/opt_global.h 128.endif 129 130CFLAGS+= ${DEBUG_FLAGS} 131.if ${MACHINE_ARCH} == x86_64 132CFLAGS+= -fno-omit-frame-pointer 133.endif 134 135.include <bsd.patch.mk> 136 137OBJS+= ${SRCS:N*.h:N*.patch:R:S/$/.o/g} 138 139.if !defined(PROG) 140PROG= ${KMOD}.ko 141.endif 142 143.if ${MACHINE_ARCH} != x86_64 144${PROG}: ${KMOD}.kld 145 ${LD} -Bshareable ${LDFLAGS} -o ${.TARGET} ${KMOD}.kld 146.endif 147 148.if ${MACHINE_ARCH} != x86_64 149${KMOD}.kld: ${OBJS} 150 ${LD} ${LDFLAGS} -r -o ${.TARGET} ${OBJS} 151.else 152${PROG}: ${OBJS} 153 ${LD} ${LDFLAGS} -r -d -o ${.TARGET} ${OBJS} 154.endif 155 156# links to platform and cpu architecture include files. If we are 157# building with a kernel these already exist in the kernel build dir. 158# '@' is a link to the system source. 159.if defined(BUILDING_WITH_KERNEL) 160_ILINKS=@ 161.else 162_ILINKS=@ machine_base machine cpu_base cpu 163.endif 164 165.if defined(ARCH) 166_ILINKS+=${ARCH} 167.endif 168 169all: objwarn fwheaders ${PROG} 170 171beforedepend: fwheaders 172fwheaders: ${_ILINKS} ${FORWARD_HEADERS_COOKIE} 173# Ensure that the links exist without depending on it when it exists which 174# causes all the modules to be rebuilt when the directory pointed to changes. 175.for _link in ${_ILINKS} 176.if !exists(${.OBJDIR}/${_link}) 177${OBJS}: ${_link} 178.endif 179.endfor 180 181# Search for kernel source tree in standard places. 182.for _dir in ${.CURDIR}/../.. ${.CURDIR}/../../.. ${.CURDIR}/../../../.. /sys /usr/src/sys 183.if !defined(SYSDIR) && exists(${_dir}/kern/) 184SYSDIR= ${_dir} 185.endif 186.endfor 187.if !defined(SYSDIR) || !exists(${SYSDIR}/kern) 188.error "can't find kernel source tree" 189.endif 190S= ${SYSDIR} 191 192# path=`(cd $$path && /bin/pwd)` ; 193 194${_ILINKS}: 195 @case ${.TARGET} in \ 196 machine) \ 197 path=${SYSDIR}/platform/${MACHINE_PLATFORM}/include ;; \ 198 machine_base) \ 199 path=${SYSDIR}/platform/${MACHINE_PLATFORM} ;; \ 200 cpu) \ 201 path=${SYSDIR}/cpu/${MACHINE_ARCH}/include ;; \ 202 cpu_base) \ 203 path=${SYSDIR}/cpu/${MACHINE_ARCH} ;; \ 204 @) \ 205 path=${SYSDIR} ;; \ 206 arch_*) \ 207 path=${.CURDIR}/${MACHINE_ARCH} ;; \ 208 esac ; \ 209 ${ECHO} ${.TARGET} "->" $$path ; \ 210 ${LN} -s $$path ${.TARGET} 211 212CLEANFILES+= ${PROG} ${KMOD}.kld ${OBJS} ${_ILINKS} symb.tmp tmp.o 213 214.if !target(install) 215 216_INSTALLFLAGS:= ${INSTALLFLAGS} 217.for ie in ${INSTALLFLAGS_EDIT} 218_INSTALLFLAGS:= ${_INSTALLFLAGS${ie}} 219.endfor 220 221.if !target(realinstall) 222realinstall: _kmodinstall 223.ORDER: beforeinstall _kmodinstall 224_kmodinstall: 225.if defined(INSTALLSTRIPPEDMODULES) 226 ${INSTALL} -o ${KMODOWN} -g ${KMODGRP} -m ${KMODMODE} \ 227 ${_INSTALLFLAGS} ${PROG} ${DESTDIR}${KMODDIR} 228 ${OBJCOPY} --strip-debug ${DESTDIR}${KMODDIR}/${PROG} 229.else 230 ${INSTALL} -o ${KMODOWN} -g ${KMODGRP} -m ${KMODMODE} \ 231 ${_INSTALLFLAGS} ${PROG} ${DESTDIR}${KMODDIR} 232.endif 233.endif # !target(realinstall) 234 235.include <bsd.links.mk> 236 237.endif # !target(install) 238 239.if !target(load) 240load: ${PROG} 241 ${KMODLOAD} -v ./${KMOD}.ko 242.endif 243 244.if !target(unload) 245unload: 246 ${KMODUNLOAD} -v ${KMOD} 247.endif 248 249.for _src in ${SRCS:Mopt_*.h} ${SRCS:Muse_*.h} 250CLEANFILES+= ${_src} 251.if !target(${_src}) 252.if defined(BUILDING_WITH_KERNEL) && exists(${BUILDING_WITH_KERNEL}/${_src}) 253${_src}: ${BUILDING_WITH_KERNEL}/${_src} 254# we do not have to copy these files any more, the kernel build 255# directory is included in the path now. 256# cp ${BUILDING_WITH_KERNEL}/${_src} ${.TARGET} 257.else 258${_src}: 259 touch ${.TARGET} 260.endif # BUILDING_WITH_KERNEL 261.endif 262.endfor 263 264MFILES?= kern/bus_if.m kern/device_if.m bus/iicbus/iicbb_if.m \ 265 bus/iicbus/iicbus_if.m bus/isa/isa_if.m dev/netif/mii_layer/miibus_if.m \ 266 bus/pccard/card_if.m bus/pccard/power_if.m bus/pci/pci_if.m \ 267 bus/pci/pcib_if.m \ 268 bus/ppbus/ppbus_if.m bus/smbus/smbus_if.m bus/usb/usb_if.m \ 269 dev/acpica5/acpi_if.m dev/disk/nata/ata_if.m \ 270 dev/sound/pcm/ac97_if.m dev/sound/pcm/channel_if.m \ 271 dev/sound/pcm/feeder_if.m dev/sound/pcm/mixer_if.m \ 272 libiconv/iconv_converter_if.m dev/agp/agp_if.m opencrypto/cryptodev_if.m 273 274.for _srcsrc in ${MFILES} 275.for _ext in c h 276.for _src in ${SRCS:M${_srcsrc:T:R}.${_ext}} 277CLEANFILES+= ${_src} 278.if !target(${_src}) 279${_src}: @ 280.if exists(@) 281${_src}: @/tools/makeobjops.awk @/${_srcsrc} 282.endif 283 284.if defined(BUILDING_WITH_KERNEL) && \ 285 exists(${BUILDING_WITH_KERNEL}/${_src}) 286.else 287 awk -f @/tools/makeobjops.awk -- -${_ext} @/${_srcsrc} 288.endif 289.endif 290.endfor # _src 291.endfor # _ext 292.endfor # _srcsrc 293 294#.for _ext in c h 295#.if ${SRCS:Mvnode_if.${_ext}} != "" 296#CLEANFILES+= vnode_if.${_ext} 297#vnode_if.${_ext}: @ 298#.if exists(@) 299#vnode_if.${_ext}: @/tools/vnode_if.awk @/kern/vnode_if.src 300#.endif 301# awk -f @/tools/vnode_if.awk -- -${_ext} @/kern/vnode_if.src 302#.endif 303#.endfor 304 305regress: 306 307.include <bsd.dep.mk> 308 309.if !exists(${DEPENDFILE}) 310${OBJS}: ${SRCS:M*.h} 311.endif 312 313.include <bsd.obj.mk> 314.include "bsd.kern.mk" 315 316# Behaves like MODULE_OVERRIDE 317.if defined(KLD_DEPS) 318all: _kdeps_all 319_kdeps_all: @ 320.for _mdep in ${KLD_DEPS} 321 cd ${SYSDIR}/${_mdep} && make all 322.endfor 323depend: _kdeps_depend 324_kdeps_depend: @ 325.for _mdep in ${KLD_DEPS} 326 cd ${SYSDIR}/${_mdep} && make depend 327.endfor 328install: _kdeps_install 329_kdeps_install: @ 330.for _mdep in ${KLD_DEPS} 331 cd ${SYSDIR}/${_mdep} && make install 332.endfor 333clean: _kdeps_clean 334_kdeps_clean: @ 335.for _mdep in ${KLD_DEPS} 336 cd ${SYSDIR}/${_mdep} && make clean 337.endfor 338.endif 339