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 1.33 2007/08/26 07:53:25 corecode 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)). [/modules] 16# 17# KMODOWN KLD owner. [${BINOWN}] 18# 19# KMODGRP KLD group. [${BINGRP}] 20# 21# KMODMODE KLD mode. [${BINMODE}] 22# 23# KMODLOAD Command to load a kernel module [/sbin/kldload] 24# 25# KMODUNLOAD Command to unload a kernel module [/sbin/kldunload] 26# 27# NOMAN KLD does not have a manual page if set. 28# 29# PROG The name of the kernel module to build. 30# If not supplied, ${KMOD}.o is used. 31# 32# SRCS List of source files 33# 34# KMODDEPS List of modules which this one is dependant on 35# 36# DESTDIR Change the tree where the module gets installed. [not set] 37# 38# MFILES Optionally a list of interfaces used by the module. 39# This file contains a default list of interfaces. 40# 41# +++ targets +++ 42# 43# install: 44# install the kernel module and its manual pages; 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# bsd.man.mk: maninstall 59# 60 61OBJCOPY?= objcopy 62KMODLOAD?= /sbin/kldload 63KMODUNLOAD?= /sbin/kldunload 64 65.include <bsd.init.mk> 66 67.SUFFIXES: .out .o .c .cc .cxx .C .y .l .s .S 68 69CFLAGS+= ${COPTS} -D_KERNEL ${CWARNFLAGS} 70CFLAGS+= -DKLD_MODULE 71 72# Don't use any standard include directories. 73# Since -nostdinc will annull any previous -I paths, we repeat all 74# such paths after -nostdinc. It doesn't seem to be possible to 75# add to the front of `make' variable. 76# 77# Don't use -I- anymore, source-relative includes are desireable. 78_ICFLAGS:= ${CFLAGS:M-I*} 79CFLAGS+= -nostdinc ${_ICFLAGS} 80 81# Add -I paths for system headers. Individual KLD makefiles don't 82# need any -I paths for this. Similar defaults for .PATH can't be 83# set because there are no standard paths for non-headers. 84# 85# NOTE! Traditional architecture paths such as <i386/i386/blah.h> 86# must run through the "machine_base" softlink using 87# <machine_base/i386/blah.h>. An explicit cross-architecture path must 88# operate relative to /usr/src/sys using e.g. <arch/i386/i386/blah.h> 89# 90CFLAGS+= -I. -I@ 91 92# Add -I paths for headers in the kernel build directory 93# 94.if defined(BUILDING_WITH_KERNEL) 95CFLAGS+= -I${BUILDING_WITH_KERNEL} 96_MACHINE_FWD= ${BUILDING_WITH_KERNEL} 97.else 98.if defined(MAKEOBJDIRPREFIX) 99_MACHINE_FWD= ${MAKEOBJDIRPREFIX}/${SYSDIR}/forwarder_${MACHINE_ARCH} 100.else 101_MACHINE_FWD= ${.OBJDIR}/forwarder_${MACHINE_ARCH} 102CLEANDIRS+= ${_MACHINE_FWD} 103.endif 104.endif 105CFLAGS+= -I${_MACHINE_FWD}/include 106.include "kern.fwd.mk" 107 108# Add a -I path to standard headers like <stddef.h>. Use a relative 109# path to src/include if possible. If the @ symlink hasn't been built 110# yet, then we can't tell if the relative path exists. Add both the 111# potential relative path and an absolute path in that case. 112.if exists(@) 113.if exists(@/../include) 114CFLAGS+= -I@/../include 115.else 116CFLAGS+= -I${DESTDIR}/usr/include 117.endif 118.else # !@ 119CFLAGS+= -I@/../include -I${DESTDIR}/usr/include 120.endif # @ 121 122.if defined(BUILDING_WITH_KERNEL) && \ 123 exists(${BUILDING_WITH_KERNEL}/opt_global.h) 124CFLAGS+= -include ${BUILDING_WITH_KERNEL}/opt_global.h 125.endif 126 127CFLAGS+= ${DEBUG_FLAGS} 128 129.include <bsd.patch.mk> 130 131OBJS+= ${SRCS:N*.h:N*.patch:R:S/$/.o/g} 132 133.if !defined(PROG) 134PROG= ${KMOD}.ko 135.endif 136 137${PROG}: ${KMOD}.kld ${KMODDEPS} 138 ${LD} -Bshareable ${LDFLAGS} -o ${.TARGET} ${KMOD}.kld ${KMODDEPS} 139 140.if defined(KMODDEPS) 141.for dep in ${KMODDEPS} 142CLEANFILES+= ${dep} __${dep}_hack_dep.c 143 144${dep}: 145 touch __${dep}_hack_dep.c 146 ${CC} -shared ${CFLAGS} -o ${dep} __${dep}_hack_dep.c 147.endfor 148.endif 149 150${KMOD}.kld: ${OBJS} 151 ${LD} ${LDFLAGS} -r -o ${.TARGET} ${OBJS} 152 153.if !defined(NOMAN) 154.include <bsd.man.mk> 155.endif 156 157# links to platform and cpu architecture include files. If we are 158# building with a kernel these already exist in the kernel build dir. 159# '@' is a link to the system source. 160.if defined(BUILDING_WITH_KERNEL) 161_ILINKS=@ 162.else 163_ILINKS=@ machine_base machine cpu_base cpu 164.endif 165 166.if defined(ARCH) 167_ILINKS+=${ARCH} 168.endif 169 170all: objwarn fwheaders ${PROG} 171.if !defined(NOMAN) 172all: _manpages 173.endif 174 175beforedepend: fwheaders 176fwheaders: ${_ILINKS} ${FORWARD_HEADERS_COOKIE} 177# Ensure that the links exist without depending on it when it exists which 178# causes all the modules to be rebuilt when the directory pointed to changes. 179.for _link in ${_ILINKS} 180.if !exists(${.OBJDIR}/${_link}) 181${OBJS}: ${_link} 182.endif 183.endfor 184 185# Search for kernel source tree in standard places. 186.for _dir in ${.CURDIR}/../.. ${.CURDIR}/../../.. ${.CURDIR}/../../../.. /sys /usr/src/sys 187.if !defined(SYSDIR) && exists(${_dir}/kern/) 188SYSDIR= ${_dir} 189.endif 190.endfor 191.if !defined(SYSDIR) || !exists(${SYSDIR}/kern) 192.error "can't find kernel source tree" 193.endif 194S= ${SYSDIR} 195 196# path=`(cd $$path && /bin/pwd)` ; 197 198${_ILINKS}: 199 @case ${.TARGET} in \ 200 machine) \ 201 path=${SYSDIR}/platform/${MACHINE_PLATFORM}/include ;; \ 202 machine_base) \ 203 path=${SYSDIR}/platform/${MACHINE_PLATFORM} ;; \ 204 cpu) \ 205 path=${SYSDIR}/cpu/${MACHINE_ARCH}/include ;; \ 206 cpu_base) \ 207 path=${SYSDIR}/cpu/${MACHINE_ARCH} ;; \ 208 @) \ 209 path=${SYSDIR} ;; \ 210 arch_*) \ 211 path=${.CURDIR}/${MACHINE_ARCH} ;; \ 212 esac ; \ 213 ${ECHO} ${.TARGET} "->" $$path ; \ 214 ${LN} -s $$path ${.TARGET} 215 216CLEANFILES+= ${PROG} ${KMOD}.kld ${OBJS} ${_ILINKS} symb.tmp tmp.o 217 218.if !target(install) 219 220_INSTALLFLAGS:= ${INSTALLFLAGS} 221.for ie in ${INSTALLFLAGS_EDIT} 222_INSTALLFLAGS:= ${_INSTALLFLAGS${ie}} 223.endfor 224 225.if !target(realinstall) 226realinstall: _kmodinstall 227.ORDER: beforeinstall _kmodinstall 228_kmodinstall: 229.if defined(INSTALLSTRIPPEDMODULES) 230 ${INSTALL} -o ${KMODOWN} -g ${KMODGRP} -m ${KMODMODE} \ 231 ${_INSTALLFLAGS} ${PROG} ${DESTDIR}${KMODDIR} 232 ${OBJCOPY} --strip-debug ${DESTDIR}${KMODDIR}/${PROG} 233.else 234 ${INSTALL} -o ${KMODOWN} -g ${KMODGRP} -m ${KMODMODE} \ 235 ${_INSTALLFLAGS} ${PROG} ${DESTDIR}${KMODDIR} 236.endif 237.endif # !target(realinstall) 238 239.include <bsd.links.mk> 240 241.if !defined(NOMAN) 242realinstall: _maninstall 243.ORDER: beforeinstall _maninstall 244.endif 245 246.endif # !target(install) 247 248.if !target(load) 249load: ${PROG} 250 ${KMODLOAD} -v ./${KMOD}.ko 251.endif 252 253.if !target(unload) 254unload: 255 ${KMODUNLOAD} -v ${KMOD} 256.endif 257 258.for _src in ${SRCS:Mopt_*.h} ${SRCS:Muse_*.h} 259CLEANFILES+= ${_src} 260.if !target(${_src}) 261.if defined(BUILDING_WITH_KERNEL) && exists(${BUILDING_WITH_KERNEL}/${_src}) 262${_src}: ${BUILDING_WITH_KERNEL}/${_src} 263# we do not have to copy these files any more, the kernel build 264# directory is included in the path now. 265# cp ${BUILDING_WITH_KERNEL}/${_src} ${.TARGET} 266.else 267${_src}: 268 touch ${.TARGET} 269.endif # BUILDING_WITH_KERNEL 270.endif 271.endfor 272 273MFILES?= kern/bus_if.m kern/device_if.m bus/iicbus/iicbb_if.m \ 274 bus/iicbus/iicbus_if.m bus/isa/isa_if.m dev/netif/mii_layer/miibus_if.m \ 275 bus/pccard/card_if.m bus/pccard/power_if.m bus/pci/pci_if.m \ 276 bus/pci/pcib_if.m \ 277 bus/ppbus/ppbus_if.m bus/smbus/smbus_if.m bus/usb/usb_if.m \ 278 dev/disk/nata/ata_if.m \ 279 dev/sound/pcm/ac97_if.m dev/sound/pcm/channel_if.m \ 280 dev/sound/pcm/feeder_if.m dev/sound/pcm/mixer_if.m \ 281 libiconv/iconv_converter_if.m dev/agp/agp_if.m opencrypto/crypto_if.m 282 283.for _srcsrc in ${MFILES} 284.for _ext in c h 285.for _src in ${SRCS:M${_srcsrc:T:R}.${_ext}} 286CLEANFILES+= ${_src} 287.if !target(${_src}) 288${_src}: @ 289.if exists(@) 290${_src}: @/tools/makeobjops.awk @/${_srcsrc} 291.endif 292 293.if defined(BUILDING_WITH_KERNEL) && \ 294 exists(${BUILDING_WITH_KERNEL}/${_src}) 295.else 296 awk -f @/tools/makeobjops.awk -- -${_ext} @/${_srcsrc} 297.endif 298.endif 299.endfor # _src 300.endfor # _ext 301.endfor # _srcsrc 302 303#.for _ext in c h 304#.if ${SRCS:Mvnode_if.${_ext}} != "" 305#CLEANFILES+= vnode_if.${_ext} 306#vnode_if.${_ext}: @ 307#.if exists(@) 308#vnode_if.${_ext}: @/tools/vnode_if.awk @/kern/vnode_if.src 309#.endif 310# awk -f @/tools/vnode_if.awk -- -${_ext} @/kern/vnode_if.src 311#.endif 312#.endfor 313 314regress: 315 316.include <bsd.dep.mk> 317 318.if !exists(${DEPENDFILE}) 319${OBJS}: ${SRCS:M*.h} 320.endif 321 322.include <bsd.obj.mk> 323.include "bsd.kern.mk" 324 325# Behaves like MODULE_OVERRIDE 326.if defined(KLD_DEPS) 327all: _kdeps_all 328_kdeps_all: @ 329.for _mdep in ${KLD_DEPS} 330 cd ${SYSDIR}/${_mdep} && make all 331.endfor 332depend: _kdeps_depend 333_kdeps_depend: @ 334.for _mdep in ${KLD_DEPS} 335 cd ${SYSDIR}/${_mdep} && make depend 336.endfor 337install: _kdeps_install 338_kdeps_install: @ 339.for _mdep in ${KLD_DEPS} 340 cd ${SYSDIR}/${_mdep} && make install 341.endfor 342clean: _kdeps_clean 343_kdeps_clean: @ 344.for _mdep in ${KLD_DEPS} 345 cd ${SYSDIR}/${_mdep} && make clean 346.endfor 347.endif 348