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 1.17 2004/10/20 23:03:02 dillon 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 ${_ICFLAGS} 80 81# Add -I paths for system headers. Individual KLD makefiles don't 82# need any -I paths for this. Similar defaults for .PATH can't be 83# set because there are no standard paths for non-headers. 84CFLAGS+= -I. -I@ 85 86# Add a -I path to standard headers like <stddef.h>. Use a relative 87# path to src/include if possible. If the @ symlink hasn't been built 88# yet, then we can't tell if the relative path exists. Add both the 89# potential relative path and an absolute path in that case. 90.if exists(@) 91.if exists(@/../include) 92CFLAGS+= -I@/../include 93.else 94CFLAGS+= -I${DESTDIR}/usr/include 95.endif 96.else # !@ 97CFLAGS+= -I@/../include -I${DESTDIR}/usr/include 98.endif # @ 99 100CFLAGS+= ${DEBUG_FLAGS} 101 102OBJS+= ${SRCS:N*.h:N*.patch:R:S/$/.o/g} 103.for _PATCH in ${SRCS:T:N*.h.patch:M*.patch} 104.for _OBJ in ${_PATCH:R:R:S/$/.o/} 105OBJS:= ${OBJS:N${_OBJ}} ${_OBJ} 106.endfor 107.endfor 108 109.if !defined(PROG) 110PROG= ${KMOD}.ko 111.endif 112 113${PROG}: ${KMOD}.kld ${KMODDEPS} 114 ${LD} -Bshareable ${LDFLAGS} -o ${.TARGET} ${KMOD}.kld ${KMODDEPS} 115 116.if defined(KMODDEPS) 117.for dep in ${KMODDEPS} 118CLEANFILES+= ${dep} __${dep}_hack_dep.c 119 120${dep}: 121 touch __${dep}_hack_dep.c 122 ${CC} -shared ${CFLAGS} -o ${dep} __${dep}_hack_dep.c 123.endfor 124.endif 125 126${KMOD}.kld: ${OBJS} 127 ${LD} ${LDFLAGS} -r -o ${.TARGET} ${OBJS} 128 129.if !defined(NOMAN) 130.include <bsd.man.mk> 131.endif 132 133_ILINKS=@ machine 134.if defined(ARCH) 135_ILINKS+=${ARCH} 136.endif 137 138all: objwarn ${PROG} 139.if !defined(NOMAN) 140all: _manpages 141.endif 142 143beforedepend: ${_ILINKS} 144# Ensure that the links exist without depending on it when it exists which 145# causes all the modules to be rebuilt when the directory pointed to changes. 146.for _link in ${_ILINKS} 147.if !exists(${.OBJDIR}/${_link}) 148${OBJS}: ${_link} 149.endif 150.endfor 151 152# Search for kernel source tree in standard places. 153.for _dir in ${.CURDIR}/../.. ${.CURDIR}/../../.. ${.CURDIR}/../../../.. /sys /usr/src/sys 154.if !defined(SYSDIR) && exists(${_dir}/kern/) 155SYSDIR= ${_dir} 156.endif 157.endfor 158.if !defined(SYSDIR) || !exists(${SYSDIR}/kern) 159.error "can't find kernel source tree" 160.endif 161 162# path=`(cd $$path && /bin/pwd)` ; 163 164${_ILINKS}: 165 @case ${.TARGET} in \ 166 machine) \ 167 path=${SYSDIR}/${MACHINE_ARCH}/include ;; \ 168 @) \ 169 path=${SYSDIR} ;; \ 170 arch_*) \ 171 path=${.CURDIR}/${MACHINE_ARCH} ;; \ 172 esac ; \ 173 ${ECHO} ${.TARGET} "->" $$path ; \ 174 ln -s $$path ${.TARGET} 175 176CLEANFILES+= ${PROG} ${KMOD}.kld ${OBJS} ${_ILINKS} symb.tmp tmp.o 177 178.if !target(install) 179 180_INSTALLFLAGS:= ${INSTALLFLAGS} 181.for ie in ${INSTALLFLAGS_EDIT} 182_INSTALLFLAGS:= ${_INSTALLFLAGS${ie}} 183.endfor 184 185.if !target(realinstall) 186realinstall: _kmodinstall 187.ORDER: beforeinstall _kmodinstall 188_kmodinstall: 189.if defined(INSTALLSTRIPPEDMODULES) 190 ${INSTALL} -o ${KMODOWN} -g ${KMODGRP} -m ${KMODMODE} \ 191 ${_INSTALLFLAGS} ${PROG} ${DESTDIR}${KMODDIR} 192 ${OBJCOPY} --strip-debug ${DESTDIR}${KMODDIR}/${PROG} 193.else 194 ${INSTALL} -o ${KMODOWN} -g ${KMODGRP} -m ${KMODMODE} \ 195 ${_INSTALLFLAGS} ${PROG} ${DESTDIR}${KMODDIR} 196.endif 197.endif !target(realinstall) 198 199.include <bsd.links.mk> 200 201.if !defined(NOMAN) 202realinstall: _maninstall 203.ORDER: beforeinstall _maninstall 204.endif 205 206.endif !target(install) 207 208.if !target(load) 209load: ${PROG} 210 ${KMODLOAD} -v ./${KMOD}.ko 211.endif 212 213.if !target(unload) 214unload: 215 ${KMODUNLOAD} -v ${KMOD} 216.endif 217 218.for _src in ${SRCS:Mopt_*.h} 219CLEANFILES+= ${_src} 220.if !target(${_src}) 221${_src}: 222 touch ${.TARGET} 223.endif 224.endfor 225 226MFILES?= kern/bus_if.m kern/device_if.m bus/iicbus/iicbb_if.m \ 227 bus/iicbus/iicbus_if.m bus/isa/isa_if.m dev/netif/mii_layer/miibus_if.m \ 228 bus/pccard/card_if.m bus/pccard/power_if.m bus/pci/pci_if.m \ 229 bus/pci/pcib_if.m \ 230 bus/ppbus/ppbus_if.m bus/smbus/smbus_if.m bus/usb/usb_if.m \ 231 dev/sound/pcm/ac97_if.m dev/sound/pcm/channel_if.m \ 232 dev/sound/pcm/feeder_if.m dev/sound/pcm/mixer_if.m \ 233 libiconv/iconv_converter_if.m dev/agp/agp_if.m opencrypto/crypto_if.m \ 234 bus/canbus/canbus_if.m 235 236.for _srcsrc in ${MFILES} 237.for _ext in c h 238.for _src in ${SRCS:M${_srcsrc:T:R}.${_ext}} 239CLEANFILES+= ${_src} 240.if !target(${_src}) 241${_src}: @ 242.if exists(@) 243${_src}: @/tools/makeobjops.awk @/${_srcsrc} 244.endif 245 awk -f @/tools/makeobjops.awk -- -${_ext} @/${_srcsrc} 246.endif 247.endfor # _src 248.endfor # _ext 249.endfor # _srcsrc 250 251#.for _ext in c h 252#.if ${SRCS:Mvnode_if.${_ext}} != "" 253#CLEANFILES+= vnode_if.${_ext} 254#vnode_if.${_ext}: @ 255#.if exists(@) 256#vnode_if.${_ext}: @/tools/vnode_if.awk @/kern/vnode_if.src 257#.endif 258# awk -f @/tools/vnode_if.awk -- -${_ext} @/kern/vnode_if.src 259#.endif 260#.endfor 261 262regress: 263 264.include <bsd.dep.mk> 265 266.if !exists(${DEPENDFILE}) 267${OBJS}: ${SRCS:M*.h} 268.endif 269 270.include <bsd.obj.mk> 271.include "bsd.kern.mk" 272 273# Behaves like MODULE_OVERRIDE 274.if defined(KLD_DEPS) 275all: _kdeps_all 276_kdeps_all: @ 277.for _mdep in ${KLD_DEPS} 278 cd ${SYSDIR}/${_mdep} && make all 279.endfor 280depend: _kdeps_depend 281_kdeps_depend: @ 282.for _mdep in ${KLD_DEPS} 283 cd ${SYSDIR}/${_mdep} && make depend 284.endfor 285install: _kdeps_install 286_kdeps_install: @ 287.for _mdep in ${KLD_DEPS} 288 cd ${SYSDIR}/${_mdep} && make install 289.endfor 290clean: _kdeps_clean 291_kdeps_clean: @ 292.for _mdep in ${KLD_DEPS} 293 cd ${SYSDIR}/${_mdep} && make clean 294.endfor 295.endif 296