kmod.mk revision 111686
113901Salanb# From: @(#)bsd.prog.mk 5.26 (Berkeley) 6/25/91 214357Salanb# $FreeBSD: head/sys/conf/kmod.mk 111686 2003-02-28 22:12:17Z ru $ 313901Salanb# 413901Salanb# The include file <bsd.kmod.mk> handles installing Kernel Loadable Device 513901Salanb# drivers (KLD's). 613901Salanb# 713901Salanb# 813901Salanb# +++ variables +++ 913901Salanb# 1013901Salanb# CLEANFILES Additional files to remove for the clean and cleandir targets. 1113901Salanb# 1213901Salanb# KMOD The name of the kernel module to build. 1313901Salanb# 1413901Salanb# KMODDIR Base path for kernel modules (see kld(4)). [/boot/kernel] 1513901Salanb# 1613901Salanb# KMODOWN KLD owner. [${BINOWN}] 1713901Salanb# 1813901Salanb# KMODGRP KLD group. [${BINGRP}] 1913901Salanb# 2013901Salanb# KMODMODE KLD mode. [${BINMODE}] 2113901Salanb# 2213901Salanb# KMODLOAD Command to load a kernel module [/sbin/kldload] 2313901Salanb# 2413901Salanb# KMODUNLOAD Command to unload a kernel module [/sbin/kldunload] 2513901Salanb# 2613901Salanb# PROG The name of the kernel module to build. 2713901Salanb# If not supplied, ${KMOD}.o is used. 2813901Salanb# 2913901Salanb# SRCS List of source files 3013901Salanb# 3113901Salanb# DESTDIR Change the tree where the module gets installed. [not set] 3213901Salanb# 3313901Salanb# MFILES Optionally a list of interfaces used by the module. 3413901Salanb# This file contains a default list of interfaces. 3513901Salanb# 3613901Salanb# EXPORT_SYMS A list of symbols that should be exported from the module, 3713901Salanb# or the name of a file containing a list of symbols, or YES 3813901Salanb# to export all symbols. If not defined, no symbols are 3913901Salanb# exported. 4013901Salanb# 4113901Salanb# +++ targets +++ 4213901Salanb# 4313901Salanb# install: 4413901Salanb# install the kernel module; if the Makefile 4513901Salanb# does not itself define the target install, the targets 4613901Salanb# beforeinstall and afterinstall may also be used to cause 4713901Salanb# actions immediately before and after the install target 4813901Salanb# is executed. 4913901Salanb# 5013901Salanb# load: 5113901Salanb# Load KLD. 5213901Salanb# 5313901Salanb# unload: 5413901Salanb# Unload KLD. 5513901Salanb# 5616588Smchung# bsd.obj.mk: clean, cleandir and obj 5716177Salanb# bsd.dep.mk: cleandepend, depend and tags 5813901Salanb# 5916672Salanb 6013901SalanbAWK?= awk 6113901SalanbKMODLOAD?= /sbin/kldload 6216588SmchungKMODUNLOAD?= /sbin/kldunload 6313901SalanbOBJCOPY?= objcopy 6413901Salanb 6517089Salanb.if defined(KMODDEPS) 6617089Salanb.error "Do not use KMODDEPS on 5.0+, use MODULE_VERSION/MODULE_DEPEND" 6713901Salanb.endif 6816588Smchung 6914357Salanb.include <bsd.init.mk> 7013901Salanb 7116288Salanb.SUFFIXES: .out .o .c .cc .cxx .C .y .l .s .S 7216288Salanb 7316288SalanbCFLAGS+= ${COPTS} -D_KERNEL ${CWARNFLAGS} 7413901SalanbCFLAGS+= -DKLD_MODULE 7513901Salanb 7613901Salanb# Don't use any standard or source-relative include directories. 7713901Salanb# Since -nostdinc will annull any previous -I paths, we repeat all 7813901Salanb# such paths after -nostdinc. It doesn't seem to be possible to 7916672Salanb# add to the front of `make' variable. 8016672Salanb_ICFLAGS:= ${CFLAGS:M-I*} 8116672SalanbCFLAGS+= -nostdinc -I- ${INCLMAGIC} ${_ICFLAGS} 8216672Salanb 8316672Salanb# Add -I paths for system headers. Individual KLD makefiles don't 8413901Salanb# need any -I paths for this. Similar defaults for .PATH can't be 8516177Salanb# set because there are no standard paths for non-headers. 8616177SalanbCFLAGS+= -I. -I@ -I@/dev 8713901Salanb 8813901Salanb# Add a -I path to standard headers like <stddef.h>. Use a relative 8913901Salanb# path to src/include if possible. If the @ symlink hasn't been built 9013901Salanb# yet, then we can't tell if the relative path exists. Add both the 9116672Salanb# potential relative path and an absolute path in that case. 9213901Salanb.if exists(@) 9313901Salanb.if exists(@/../include) 9413901SalanbCFLAGS+= -I@/../include 9513901Salanb.else 9613901SalanbCFLAGS+= -I${DESTDIR}/usr/include 9713901Salanb.endif 9813901Salanb.else # !@ 9916588SmchungCFLAGS+= -I@/../include -I${DESTDIR}/usr/include 10016672Salanb.endif # @ 10116672Salanb 10216672Salanb# Disallow common variables, and if we end up with commons from 10313901Salanb# somewhere unexpected, allocate storage for them in the module itself. 10413901SalanbCFLAGS+= -fno-common 10513901SalanbLDFLAGS+= -d -warn-common 10613901Salanb 10713901SalanbCFLAGS+= ${DEBUG_FLAGS} 10813901Salanb 10913901SalanbOBJS+= ${SRCS:N*.h:R:S/$/.o/g} 11017089Salanb 11113901Salanb.if !defined(PROG) 11217089SalanbPROG= ${KMOD}.ko 11317089Salanb.endif 11413901Salanb 11513901Salanb.if !defined(DEBUG) 11613901SalanbFULLPROG= ${PROG} 11713901Salanb.else 11816588SmchungFULLPROG= ${PROG}.debug 11914357Salanb${PROG}: ${FULLPROG} 12013901Salanb ${OBJCOPY} --strip-debug ${FULLPROG} ${PROG} 12113901Salanb.endif 12214357Salanb 12313901Salanb${FULLPROG}: ${KMOD}.kld 12413901Salanb ${LD} -Bshareable ${LDFLAGS} -o ${.TARGET} ${KMOD}.kld 12513901Salanb 12613901SalanbEXPORT_SYMS?= NO 12713901Salanb.if ${EXPORT_SYMS} != YES 12816288SalanbCLEANFILES+= ${.OBJDIR}/export_syms 12916288Salanb.endif 13016288Salanb 13116288Salanb${KMOD}.kld: ${OBJS} 13216288Salanb ${LD} ${LDFLAGS} -r -d -o ${.TARGET} ${OBJS} 13316288Salanb.if defined(EXPORT_SYMS) 13416288Salanb.if ${EXPORT_SYMS} != YES 13516288Salanb.if ${EXPORT_SYMS} == NO 13613901Salanb touch ${.OBJDIR}/export_syms 13716672Salanb.elif !exists(${.CURDIR}/${EXPORT_SYMS}) 13813901Salanb echo ${EXPORT_SYMS} > ${.OBJDIR}/export_syms 13913901Salanb.else 14013901Salanb grep -v '^#' < ${EXPORT_SYMS} > ${.OBJDIR}/export_syms 14113901Salanb.endif 14213901Salanb awk -f ${SYSDIR}/conf/kmod_syms.awk ${.TARGET} \ 14313901Salanb ${.OBJDIR}/export_syms | \ 14413901Salanb xargs -J% ${OBJCOPY} % ${.TARGET} 14513901Salanb.endif 14613901Salanb.endif 14713901Salanb 14813901Salanb_ILINKS=@ machine 14913901Salanb 15013901Salanball: objwarn ${PROG} 15113901Salanb 15213901Salanbbeforedepend: ${_ILINKS} 15313901Salanb @rm -f .depend 15413901Salanb 15513901Salanb# Ensure that the links exist without depending on it when it exists which 15613901Salanb# causes all the modules to be rebuilt when the directory pointed to changes. 15713901Salanb.for _link in ${_ILINKS} 15813901Salanb.if !exists(${.OBJDIR}/${_link}) 15913901Salanb${OBJS}: ${_link} 16013901Salanb.endif 16113901Salanb.endfor 16213901Salanb 16313901Salanb# Search for kernel source tree in standard places. 16413901Salanb.for _dir in ${.CURDIR}/../.. ${.CURDIR}/../../.. /sys /usr/src/sys 16513901Salanb.if !defined(SYSDIR) && exists(${_dir}/kern/) 16613901SalanbSYSDIR= ${_dir} 16713901Salanb.endif 16813901Salanb.endfor 16913901Salanb.if !defined(SYSDIR) || !exists(${SYSDIR}/kern) 17013901Salanb.error "can't find kernel source tree" 17113901Salanb.endif 17213901Salanb 17313901Salanb${_ILINKS}: 17413901Salanb @case ${.TARGET} in \ 17513901Salanb machine) \ 17613901Salanb path=${SYSDIR}/${MACHINE_ARCH}/include ;; \ 17713901Salanb @) \ 17815746Smchung path=${SYSDIR} ;; \ 17915746Smchung esac ; \ 18015746Smchung path=`(cd $$path && /bin/pwd)` ; \ 18115746Smchung ${ECHO} ${.TARGET} "->" $$path ; \ 18215746Smchung ln -s $$path ${.TARGET} 18315746Smchung 18415746SmchungCLEANFILES+= ${PROG} ${KMOD}.kld ${OBJS} ${_ILINKS} symb.tmp tmp.o 18515746Smchung 18615746Smchung.if defined(DEBUG) 18715746SmchungCLEANFILES+= ${FULLPROG} 18813901Salanb.endif 18913901Salanb 19013901Salanb.if !target(install) 19113901Salanb 19213901Salanb_INSTALLFLAGS:= ${INSTALLFLAGS} 19313901Salanb.for ie in ${INSTALLFLAGS_EDIT} 19413901Salanb_INSTALLFLAGS:= ${_INSTALLFLAGS${ie}} 19513901Salanb.endfor 19616177Salanb 19716177Salanb.if defined(DEBUG) 19813901Salanbinstall.debug: 19916177Salanb cd ${.CURDIR}; ${MAKE} -DINSTALL_DEBUG install 20017089Salanb.endif 20117089Salanb 20213901Salanb.if !target(realinstall) 20316177Salanbrealinstall: _kmodinstall 20416288Salanb.ORDER: beforeinstall _kmodinstall 20516288Salanb.if defined(DEBUG) && defined(INSTALL_DEBUG) 20613901Salanb_kmodinstall: 20713901Salanb ${INSTALL} -o ${KMODOWN} -g ${KMODGRP} -m ${KMODMODE} \ 20813901Salanb ${_INSTALLFLAGS} ${FULLPROG} ${DESTDIR}${KMODDIR} 20913901Salanb.else 21016288Salanb_kmodinstall: 21116177Salanb ${INSTALL} -o ${KMODOWN} -g ${KMODGRP} -m ${KMODMODE} \ 21216177Salanb ${_INSTALLFLAGS} ${PROG} ${DESTDIR}${KMODDIR} 21316177Salanb 21416177Salanb.include <bsd.links.mk> 21513901Salanb 21613901Salanb.if !defined(NO_XREF) 21713901Salanbafterinstall: _kldxref 21813901Salanb.ORDER: realinstall _kldxref 21913901Salanb.ORDER: _installlinks _kldxref 22013901Salanb_kldxref: 22115746Smchung @if type kldxref >/dev/null 2>&1; then \ 22213901Salanb ${ECHO} kldxref ${DESTDIR}${KMODDIR}; \ 22313901Salanb kldxref ${DESTDIR}${KMODDIR}; \ 22413901Salanb fi 22513901Salanb.endif 22613901Salanb.endif 22713901Salanb.endif !target(realinstall) 22813901Salanb 22913901Salanb.endif !target(install) 23013901Salanb 23113901Salanb.if !target(load) 23213901Salanbload: ${PROG} 23313901Salanb ${KMODLOAD} -v ${.OBJDIR}/${KMOD}.ko 234.endif 235 236.if !target(unload) 237unload: 238 ${KMODUNLOAD} -v ${KMOD} 239.endif 240 241.for _src in ${SRCS:Mopt_*.h} 242CLEANFILES+= ${_src} 243.if !target(${_src}) 244${_src}: 245 touch ${.TARGET} 246.endif 247.endfor 248 249MFILES?= kern/bus_if.m kern/device_if.m dev/iicbus/iicbb_if.m \ 250 dev/iicbus/iicbus_if.m isa/isa_if.m \ 251 libkern/iconv_converter_if.m \ 252 dev/mii/miibus_if.m \ 253 dev/pccard/card_if.m dev/pccard/power_if.m dev/pci/pci_if.m \ 254 dev/pci/pcib_if.m dev/ppbus/ppbus_if.m dev/smbus/smbus_if.m \ 255 dev/usb/usb_if.m dev/sound/pcm/ac97_if.m dev/sound/pcm/channel_if.m \ 256 dev/sound/pcm/feeder_if.m dev/sound/pcm/mixer_if.m pci/agp_if.m \ 257 opencrypto/crypto_if.m pc98/pc98/canbus_if.m 258 259.for _srcsrc in ${MFILES} 260.for _ext in c h 261.for _src in ${SRCS:M${_srcsrc:T:R}.${_ext}} 262CLEANFILES+= ${_src} 263.if !target(${_src}) 264.if !exists(@) 265${_src}: @ 266.endif 267.if exists(@) 268${_src}: @/tools/makeobjops.awk @/${_srcsrc} 269.endif 270 ${AWK} -f @/tools/makeobjops.awk @/${_srcsrc} -${_ext} 271.endif 272.endfor # _src 273.endfor # _ext 274.endfor # _srcsrc 275 276.for _ext in c h 277.if ${SRCS:Mvnode_if.${_ext}} != "" 278CLEANFILES+= vnode_if.${_ext} 279.if !exists(@) 280vnode_if.${_ext}: @ 281.endif 282.if exists(@) 283vnode_if.${_ext}: @/tools/vnode_if.awk @/kern/vnode_if.src 284.endif 285 ${AWK} -f @/tools/vnode_if.awk @/kern/vnode_if.src -${_ext} 286.endif 287.endfor 288 289.if ${SRCS:Mmiidevs.h} != "" 290CLEANFILES+= miidevs.h 291.if !exists(@) 292miidevs.h: @ 293.endif 294.if exists(@) 295miidevs.h: @/tools/devlist2h.awk @/dev/mii/miidevs 296.endif 297 ${AWK} -f @/tools/devlist2h.awk @/dev/mii/miidevs 298.endif 299 300regress: 301 302lint: ${SRCS} 303 ${LINT} ${LINTKERNFLAGS} ${CFLAGS:M-[DILU]*} ${.ALLSRC:M*.c} 304 305.include <bsd.dep.mk> 306 307.if !exists(${DEPENDFILE}) 308${OBJS}: ${SRCS:M*.h} 309.endif 310 311.include <bsd.obj.mk> 312.include "kern.mk" 313