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 1.14 2004/04/12 12:46:42 eirikn 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 61KMODLOAD?= /sbin/kldload 62KMODUNLOAD?= /sbin/kldunload 63 64.include <bsd.init.mk> 65 66.SUFFIXES: .out .o .c .cc .cxx .C .y .l .s .S 67 68CFLAGS+= ${COPTS} -D_KERNEL ${CWARNFLAGS} 69CFLAGS+= -DKLD_MODULE 70 71# Don't use any standard include directories. 72# Since -nostdinc will annull any previous -I paths, we repeat all 73# such paths after -nostdinc. It doesn't seem to be possible to 74# add to the front of `make' variable. 75# 76# Don't use -I- anymore, source-relative includes are desireable. 77_ICFLAGS:= ${CFLAGS:M-I*} 78CFLAGS+= -nostdinc ${_ICFLAGS} 79 80# Add -I paths for system headers. Individual KLD makefiles don't 81# need any -I paths for this. Similar defaults for .PATH can't be 82# set because there are no standard paths for non-headers. 83CFLAGS+= -I. -I@ 84 85# Add a -I path to standard headers like <stddef.h>. Use a relative 86# path to src/include if possible. If the @ symlink hasn't been built 87# yet, then we can't tell if the relative path exists. Add both the 88# potential relative path and an absolute path in that case. 89.if exists(@) 90.if exists(@/../include) 91CFLAGS+= -I@/../include 92.else 93CFLAGS+= -I${DESTDIR}/usr/include 94.endif 95.else # !@ 96CFLAGS+= -I@/../include -I${DESTDIR}/usr/include 97.endif # @ 98 99CFLAGS+= ${DEBUG_FLAGS} 100 101OBJS+= ${SRCS:N*.h:R:S/$/.o/g} 102 103.if !defined(PROG) 104PROG= ${KMOD}.ko 105.endif 106 107${PROG}: ${KMOD}.kld ${KMODDEPS} 108 ${LD} -Bshareable ${LDFLAGS} -o ${.TARGET} ${KMOD}.kld ${KMODDEPS} 109 110.if defined(KMODDEPS) 111.for dep in ${KMODDEPS} 112CLEANFILES+= ${dep} __${dep}_hack_dep.c 113 114${dep}: 115 touch __${dep}_hack_dep.c 116 ${CC} -shared ${CFLAGS} -o ${dep} __${dep}_hack_dep.c 117.endfor 118.endif 119 120${KMOD}.kld: ${OBJS} 121 ${LD} ${LDFLAGS} -r -o ${.TARGET} ${OBJS} 122 123.if !defined(NOMAN) 124.include <bsd.man.mk> 125.endif 126 127_ILINKS=@ machine 128.if defined(ARCH) 129_ILINKS+=${ARCH} 130.endif 131 132all: objwarn ${PROG} 133.if !defined(NOMAN) 134all: _manpages 135.endif 136 137beforedepend: ${_ILINKS} 138# Ensure that the links exist without depending on it when it exists which 139# causes all the modules to be rebuilt when the directory pointed to changes. 140.for _link in ${_ILINKS} 141.if !exists(${.OBJDIR}/${_link}) 142${OBJS}: ${_link} 143.endif 144.endfor 145 146# Search for kernel source tree in standard places. 147.for _dir in ${.CURDIR}/../.. ${.CURDIR}/../../.. ${.CURDIR}/../../../.. /sys /usr/src/sys 148.if !defined(SYSDIR) && exists(${_dir}/kern/) 149SYSDIR= ${_dir} 150.endif 151.endfor 152.if !defined(SYSDIR) || !exists(${SYSDIR}/kern) 153.error "can't find kernel source tree" 154.endif 155 156# path=`(cd $$path && /bin/pwd)` ; 157 158${_ILINKS}: 159 @case ${.TARGET} in \ 160 machine) \ 161 path=${SYSDIR}/${MACHINE_ARCH}/include ;; \ 162 @) \ 163 path=${SYSDIR} ;; \ 164 arch_*) \ 165 path=${.CURDIR}/${MACHINE_ARCH} ;; \ 166 esac ; \ 167 ${ECHO} ${.TARGET} "->" $$path ; \ 168 ln -s $$path ${.TARGET} 169 170CLEANFILES+= ${PROG} ${KMOD}.kld ${OBJS} ${_ILINKS} symb.tmp tmp.o 171 172.if !target(install) 173 174_INSTALLFLAGS:= ${INSTALLFLAGS} 175.for ie in ${INSTALLFLAGS_EDIT} 176_INSTALLFLAGS:= ${_INSTALLFLAGS${ie}} 177.endfor 178 179.if !target(realinstall) 180realinstall: _kmodinstall 181.ORDER: beforeinstall _kmodinstall 182_kmodinstall: 183 ${INSTALL} -o ${KMODOWN} -g ${KMODGRP} -m ${KMODMODE} \ 184 ${_INSTALLFLAGS} ${PROG} ${DESTDIR}${KMODDIR} 185.endif !target(realinstall) 186 187.include <bsd.links.mk> 188 189.if !defined(NOMAN) 190realinstall: _maninstall 191.ORDER: beforeinstall _maninstall 192.endif 193 194.endif !target(install) 195 196.if !target(load) 197load: ${PROG} 198 ${KMODLOAD} -v ./${KMOD}.ko 199.endif 200 201.if !target(unload) 202unload: 203 ${KMODUNLOAD} -v ${KMOD} 204.endif 205 206.for _src in ${SRCS:Mopt_*.h} 207CLEANFILES+= ${_src} 208.if !target(${_src}) 209${_src}: 210 touch ${.TARGET} 211.endif 212.endfor 213 214MFILES?= kern/bus_if.m kern/device_if.m bus/iicbus/iicbb_if.m \ 215 bus/iicbus/iicbus_if.m bus/isa/isa_if.m dev/netif/mii_layer/miibus_if.m \ 216 bus/pccard/card_if.m bus/pccard/power_if.m bus/pci/pci_if.m \ 217 bus/pci/pcib_if.m \ 218 bus/ppbus/ppbus_if.m bus/smbus/smbus_if.m bus/usb/usb_if.m \ 219 dev/sound/pcm/ac97_if.m dev/sound/pcm/channel_if.m \ 220 dev/sound/pcm/feeder_if.m dev/sound/pcm/mixer_if.m \ 221 libiconv/iconv_converter_if.m dev/agp/agp_if.m opencrypto/crypto_if.m \ 222 bus/canbus/canbus_if.m 223 224.for _srcsrc in ${MFILES} 225.for _ext in c h 226.for _src in ${SRCS:M${_srcsrc:T:R}.${_ext}} 227CLEANFILES+= ${_src} 228.if !target(${_src}) 229${_src}: @ 230.if exists(@) 231${_src}: @/tools/makeobjops.awk @/${_srcsrc} 232.endif 233 awk -f @/tools/makeobjops.awk -- -${_ext} @/${_srcsrc} 234.endif 235.endfor # _src 236.endfor # _ext 237.endfor # _srcsrc 238 239.for _ext in c h 240.if ${SRCS:Mvnode_if.${_ext}} != "" 241CLEANFILES+= vnode_if.${_ext} 242vnode_if.${_ext}: @ 243.if exists(@) 244vnode_if.${_ext}: @/tools/vnode_if.awk @/kern/vnode_if.src 245.endif 246 awk -f @/tools/vnode_if.awk -- -${_ext} @/kern/vnode_if.src 247.endif 248.endfor 249 250regress: 251 252.include <bsd.dep.mk> 253 254.if !exists(${DEPENDFILE}) 255${OBJS}: ${SRCS:M*.h} 256.endif 257 258.include <bsd.obj.mk> 259.include "bsd.kern.mk" 260 261# Behaves like MODULE_OVERRIDE 262.if defined(KLD_DEPS) 263all: _kdeps_all 264_kdeps_all: @ 265.for _mdep in ${KLD_DEPS} 266 cd ${SYSDIR}/${_mdep} && make all 267.endfor 268depend: _kdeps_depend 269_kdeps_depend: @ 270.for _mdep in ${KLD_DEPS} 271 cd ${SYSDIR}/${_mdep} && make depend 272.endfor 273install: _kdeps_install 274_kdeps_install: @ 275.for _mdep in ${KLD_DEPS} 276 cd ${SYSDIR}/${_mdep} && make install 277.endfor 278clean: _kdeps_clean 279_kdeps_clean: @ 280.for _mdep in ${KLD_DEPS} 281 cd ${SYSDIR}/${_mdep} && make clean 282.endfor 283.endif 284