kmod.mk revision 89260
1117521Snjl# From: @(#)bsd.prog.mk 5.26 (Berkeley) 6/25/91 2138287Smarks# $FreeBSD: head/sys/conf/kmod.mk 89260 2002-01-11 15:49:02Z ru $ 3138287Smarks# 4138287Smarks# The include file <bsd.kmod.mk> handles installing Kernel Loadable Device 5138287Smarks# drivers (KLD's). 6138287Smarks# 7138287Smarks# 8138287Smarks# +++ variables +++ 9138287Smarks# 10138287Smarks# CLEANFILES Additional files to remove for the clean and cleandir targets. 11138287Smarks# 12138287Smarks# DISTRIBUTION Name of distribution. [bin] 13138287Smarks# 14138287Smarks# KMOD The name of the kernel module to build. 15138287Smarks# 16138287Smarks# KMODDIR Base path for kernel modules (see kld(4)). [/boot/kernel] 17138287Smarks# 18138287Smarks# KMODOWN KLD owner. [${BINOWN}] 19138287Smarks# 20138287Smarks# KMODGRP KLD group. [${BINGRP}] 21138287Smarks# 22138287Smarks# KMODMODE KLD mode. [${BINMODE}] 23138287Smarks# 24138287Smarks# LINKS The list of KLD links; should be full pathnames, the 25138287Smarks# linked-to file coming first, followed by the linked 26138287Smarks# file. The files are hard-linked. For example, to link 27138287Smarks# /modules/master and /modules/meister, use: 28138287Smarks# 29138287Smarks# LINKS= /modules/master /modules/meister 30138287Smarks# 31138287Smarks# KMODLOAD Command to load a kernel module [/sbin/kldload] 32138287Smarks# 33138287Smarks# KMODUNLOAD Command to unload a kernel module [/sbin/kldunload] 34138287Smarks# 35138287Smarks# PROG The name of the kernel module to build. 36138287Smarks# If not supplied, ${KMOD}.o is used. 37138287Smarks# 38138287Smarks# SRCS List of source files 39138287Smarks# 40138287Smarks# SUBDIR A list of subdirectories that should be built as well. 41138287Smarks# Each of the targets will execute the same target in the 42138287Smarks# subdirectories. 43138287Smarks# 44138287Smarks# SYMLINKS Same as LINKS, except it creates symlinks and the 45138287Smarks# linked-to pathname may be relative. 46138287Smarks# 47138287Smarks# DESTDIR, DISTDIR are set by other Makefiles (e.g. bsd.own.mk) 48138287Smarks# 49138287Smarks# MFILES Optionally a list of interfaces used by the module. 50138287Smarks# This file contains a default list of interfaces. 51138287Smarks# 52138287Smarks# EXPORT_SYMS A list of symbols that should be exported from the module, 53138287Smarks# or the name of a file containing a list of symbols, or YES 54138287Smarks# to export all symbols. If not defined, no symbols are 55138287Smarks# exported. 56138287Smarks# 57138287Smarks# +++ targets +++ 58138287Smarks# 59138287Smarks# distribute: 60138287Smarks# This is a variant of install, which will 61138287Smarks# put the stuff into the right "distribution". 62138287Smarks# 63138287Smarks# install: 64138287Smarks# install the kernel module; if the Makefile 65138287Smarks# does not itself define the target install, the targets 66138287Smarks# beforeinstall and afterinstall may also be used to cause 67138287Smarks# actions immediately before and after the install target 68138287Smarks# is executed. 69138287Smarks# 70138287Smarks# load: 71138287Smarks# Load KLD. 72138287Smarks# 73138287Smarks# unload: 74138287Smarks# Unload KLD. 75138287Smarks# 76138287Smarks# bsd.obj.mk: clean, cleandir and obj 77138287Smarks# bsd.dep.mk: cleandepend, depend and tags 78138287Smarks# 79138287Smarks 80138287SmarksKMODLOAD?= /sbin/kldload 81138287SmarksKMODUNLOAD?= /sbin/kldunload 82138287SmarksOBJCOPY?= objcopy 83138287Smarks 84138287SmarksTARGET_ARCH?= ${MACHINE_ARCH} 85138287Smarks 86138287Smarks.if !target(__initialized__) 87138287Smarks__initialized__: 88138287Smarks.if exists(${.CURDIR}/../Makefile.inc) 89138287Smarks.include "${.CURDIR}/../Makefile.inc" 90138287Smarks.endif 91138287Smarks.endif 92138287Smarks 93138287Smarks.SUFFIXES: .out .o .c .cc .cxx .C .y .l .s .S 94138287Smarks 95138287SmarksCFLAGS+= ${COPTS} -D_KERNEL ${CWARNFLAGS} 96138287SmarksCFLAGS+= -DKLD_MODULE 97138287Smarks 98138287Smarks# Don't use any standard or source-relative include directories. 99138287Smarks# Since -nostdinc will annull any previous -I paths, we repeat all 100138287Smarks# such paths after -nostdinc. It doesn't seem to be possible to 101138287Smarks# add to the front of `make' variable. 102138287Smarks_ICFLAGS:= ${CFLAGS:M-I*} 103138287SmarksCFLAGS+= -nostdinc -I- ${INCLMAGIC} ${_ICFLAGS} 104138287Smarks 105138287Smarks# Add -I paths for system headers. Individual KLD makefiles don't 106138287Smarks# need any -I paths for this. Similar defaults for .PATH can't be 107138287Smarks# set because there are no standard paths for non-headers. 108138287SmarksCFLAGS+= -I. -I@ -I@/dev 109138287Smarks 110138287Smarks# Add a -I path to standard headers like <stddef.h>. Use a relative 111138287Smarks# path to src/include if possible. If the @ symlink hasn't been built 112138287Smarks# yet, then we can't tell if the relative path exists. Add both the 113138287Smarks# potential relative path and an absolute path in that case. 114138287Smarks.if exists(@) 115138287Smarks.if exists(@/../include) 116138287SmarksCFLAGS+= -I@/../include 117138287Smarks.else 118138287SmarksCFLAGS+= -I${DESTDIR}/usr/include 119138287Smarks.endif 120138287Smarks.else # !@ 121138287SmarksCFLAGS+= -I@/../include -I${DESTDIR}/usr/include 122138287Smarks.endif # @ 123138287Smarks 124138287Smarks# Disallow common variables, and if we end up with commons from 125138287Smarks# somewhere unexpected, allocate storage for them in the module itself. 126138287SmarksCFLAGS+= -fno-common 127138287SmarksLDFLAGS+= -d -warn-common 128138287Smarks 129138287SmarksCFLAGS+= ${DEBUG_FLAGS} 130138287Smarks 131138287Smarks.if ${OBJFORMAT} == elf 132138287SmarksCLEANFILES+= setdef0.c setdef1.c setdefs.h 133138287SmarksCLEANFILES+= setdef0.o setdef1.o 134138287Smarks.endif 135138287Smarks 136138287SmarksOBJS+= ${SRCS:N*.h:R:S/$/.o/g} 137138287Smarks 138138287Smarks.if !defined(PROG) 139138287SmarksPROG= ${KMOD}.ko 140138287Smarks.endif 141138287Smarks 142138287Smarks.if !defined(DEBUG) 143138287SmarksFULLPROG= ${PROG} 144138287Smarks.else 145138287SmarksFULLPROG= ${PROG}.debug 146138287Smarks${PROG}: ${FULLPROG} 147138287Smarks ${OBJCOPY} --strip-debug ${FULLPROG} ${PROG} 148138287Smarks.endif 149138287Smarks 150138287Smarks${FULLPROG}: ${KMOD}.kld 151138287Smarks ${LD} -Bshareable ${LDFLAGS} -o ${.TARGET} ${KMOD}.kld 152138287Smarks 153138287SmarksEXPORT_SYMS?= NO 154138287Smarks.if ${EXPORT_SYMS} != YES 155138287SmarksCLEANFILES+= ${.OBJDIR}/export_syms 156138287Smarks.endif 157138287Smarks 158138287Smarks${KMOD}.kld: ${OBJS} 159138287Smarks ${LD} ${LDFLAGS} -r -d -o ${.TARGET} ${OBJS} 160138287Smarks.if defined(EXPORT_SYMS) 161138287Smarks.if ${EXPORT_SYMS} != YES 162138287Smarks.if ${EXPORT_SYMS} == NO 163138287Smarks touch ${.OBJDIR}/export_syms 164138287Smarks.elif !exists(${.CURDIR}/${EXPORT_SYMS}) 165138287Smarks echo ${EXPORT_SYMS} > ${.OBJDIR}/export_syms 166138287Smarks.else 167138287Smarks grep -v '^#' < ${EXPORT_SYMS} > ${.OBJDIR}/export_syms 168138287Smarks.endif 169138287Smarks awk -f ${SYSDIR}/conf/kmod_syms.awk ${.TARGET} \ 170138287Smarks ${.OBJDIR}/export_syms | \ 171138287Smarks xargs -J% ${OBJCOPY} % ${.TARGET} 172138287Smarks.endif 173138287Smarks.endif 174138287Smarks 175138287Smarks 176138287Smarks.if !target(all-man) 177138287Smarksall-man: _SUBDIR 178138287Smarks.endif 179138287Smarks.if !target(maninstall) 180138287Smarksmaninstall: _SUBDIR 181138287Smarks.endif 182138287Smarks 183138287Smarks_ILINKS=@ machine 184138287Smarks 185138287Smarks.MAIN: all 186138287Smarksall: objwarn ${PROG} _SUBDIR 187138287Smarks 188138287Smarksbeforedepend: ${_ILINKS} 189138287Smarks @rm -f .depend 190138287Smarks 191138287Smarks# Ensure that the links exist without depending on it when it exists which 192138287Smarks# causes all the modules to be rebuilt when the directory pointed to changes. 193138287Smarks.for _link in ${_ILINKS} 194138287Smarks.if !exists(${.OBJDIR}/${_link}) 195138287Smarks${OBJS}: ${_link} 196138287Smarks.endif 197138287Smarks.endfor 198138287Smarks 199138287Smarks# Search for kernel source tree in standard places. 200138287Smarks.for _dir in ${.CURDIR}/../.. ${.CURDIR}/../../.. /sys /usr/src/sys 201138287Smarks.if !defined(SYSDIR) && exists(${_dir}/kern/) 202138287SmarksSYSDIR= ${_dir} 203138287Smarks.endif 204138287Smarks.endfor 205138287Smarks.if !defined(SYSDIR) || !exists(${SYSDIR}/kern) 206138287Smarks.error "can't find kernel source tree" 207138287Smarks.endif 208138287Smarks 209138287Smarks${_ILINKS}: 210138287Smarks @case ${.TARGET} in \ 211138287Smarks machine) \ 212138287Smarks path=${SYSDIR}/${MACHINE_ARCH}/include ;; \ 213138287Smarks @) \ 214138287Smarks path=${SYSDIR} ;; \ 215138287Smarks esac ; \ 216138287Smarks path=`(cd $$path && /bin/pwd)` ; \ 217138287Smarks ${ECHO} ${.TARGET} "->" $$path ; \ 218138287Smarks ln -s $$path ${.TARGET} 219138287Smarks 220138287SmarksCLEANFILES+= ${PROG} ${FULLPROG} ${KMOD}.kld ${OBJS} ${_ILINKS} symb.tmp tmp.o 221138287Smarks 222138287Smarks.if !target(install) 223138287Smarks.if !target(beforeinstall) 224138287Smarksbeforeinstall: 225138287Smarks.endif 226138287Smarks.if !target(afterinstall) 227138287Smarksafterinstall: 228138287Smarks.endif 229138287Smarks 230138287Smarks_INSTALLFLAGS:= ${INSTALLFLAGS} 231138287Smarks.for ie in ${INSTALLFLAGS_EDIT} 232138287Smarks_INSTALLFLAGS:= ${_INSTALLFLAGS${ie}} 233138287Smarks.endfor 234138287Smarks 235138287Smarksinstall.debug: _SUBDIR 236138287Smarks ${INSTALL} ${COPY} -o ${KMODOWN} -g ${KMODGRP} -m ${KMODMODE} \ 237138287Smarks ${_INSTALLFLAGS} ${FULLPROG} ${DESTDIR}${KMODDIR}/ 238138287Smarks 239138287Smarksrealinstall: _SUBDIR 240138287Smarks ${INSTALL} ${COPY} -o ${KMODOWN} -g ${KMODGRP} -m ${KMODMODE} \ 241138287Smarks ${_INSTALLFLAGS} ${PROG} ${DESTDIR}${KMODDIR}/ 242138287Smarks.if defined(LINKS) && !empty(LINKS) 243138287Smarks @set ${LINKS}; \ 244138287Smarks while test $$# -ge 2; do \ 245138287Smarks l=${DESTDIR}$$1; \ 246138287Smarks shift; \ 247138287Smarks t=${DESTDIR}$$1; \ 248138287Smarks shift; \ 249138287Smarks ${ECHO} $$t -\> $$l; \ 250138287Smarks ln -f $$l $$t; \ 251138287Smarks done; true 252138287Smarks.endif 253138287Smarks.if defined(SYMLINKS) && !empty(SYMLINKS) 254138287Smarks @set ${SYMLINKS}; \ 255138287Smarks while test $$# -ge 2; do \ 256138287Smarks l=$$1; \ 257138287Smarks shift; \ 258138287Smarks t=${DESTDIR}$$1; \ 259138287Smarks shift; \ 260138287Smarks ${ECHO} $$t -\> $$l; \ 261138287Smarks ln -fs $$l $$t; \ 262138287Smarks done; true 263138287Smarks.endif 264138287Smarks.if !defined(NO_XREF) 265138287Smarks -kldxref ${DESTDIR}${KMODDIR} 266138287Smarks.endif 267138287Smarks 268138287Smarksinstall: afterinstall _SUBDIR 269138287Smarksafterinstall: realinstall 270138287Smarksrealinstall: beforeinstall 271138287Smarks.endif 272138287Smarks 273138287SmarksDISTRIBUTION?= bin 274138287Smarks.if !target(distribute) 275138287Smarksdistribute: _SUBDIR 276138287Smarks.for dist in ${DISTRIBUTION} 277138287Smarks cd ${.CURDIR} ; $(MAKE) install DESTDIR=${DISTDIR}/${dist} SHARED=copies 278138287Smarks.endfor 279138287Smarks.endif 280138287Smarks 281138287Smarks.if !target(load) 282138287Smarksload: ${PROG} 283138287Smarks ${KMODLOAD} -v ${.CURDIR}/${KMOD}.ko 284138287Smarks.endif 285138287Smarks 286138287Smarks.if !target(unload) 287138287Smarksunload: 288138287Smarks ${KMODUNLOAD} -v ${KMOD} 289138287Smarks.endif 290138287Smarks 291138287Smarks.for _src in ${SRCS:Mopt_*.h} 292138287SmarksCLEANFILES+= ${_src} 293138287Smarks.if !target(${_src}) 294138287Smarks${_src}: 295138287Smarks touch ${.TARGET} 296138287Smarks.endif 297138287Smarks.endfor 298138287Smarks 299138287SmarksMFILES?= kern/bus_if.m kern/device_if.m dev/iicbus/iicbb_if.m \ 300138287Smarks dev/iicbus/iicbus_if.m isa/isa_if.m \ 301138287Smarks libkern/iconv_converter_if.m \ 302138287Smarks dev/mii/miibus_if.m \ 303138287Smarks dev/pccard/card_if.m dev/pccard/power_if.m dev/pci/pci_if.m \ 304138287Smarks dev/pci/pcib_if.m dev/ppbus/ppbus_if.m dev/smbus/smbus_if.m \ 305138287Smarks dev/usb/usb_if.m dev/sound/pcm/ac97_if.m dev/sound/pcm/channel_if.m \ 306138287Smarks dev/sound/pcm/feeder_if.m dev/sound/pcm/mixer_if.m pci/agp_if.m 307138287Smarks 308138287Smarks.for _srcsrc in ${MFILES} 309138287Smarks.for _ext in c h 310138287Smarks.for _src in ${SRCS:M${_srcsrc:T:R}.${_ext}} 311138287SmarksCLEANFILES+= ${_src} 312138287Smarks.if !target(${_src}) 313138287Smarks.if !exists(@) 314138287Smarks${_src}: @ 315138287Smarks.endif 316138287Smarks.if exists(@) 317138287Smarks${_src}: @/kern/makeobjops.pl @/${_srcsrc} 318138287Smarks.endif 319138287Smarks perl @/kern/makeobjops.pl -${_ext} @/${_srcsrc} 320138287Smarks.endif 321138287Smarks.endfor # _src 322138287Smarks.endfor # _ext 323138287Smarks.endfor # _srcsrc 324138287Smarks 325138287Smarks.for _ext in c h 326138287Smarks.if ${SRCS:Mvnode_if.${_ext}} != "" 327138287SmarksCLEANFILES+= vnode_if.${_ext} 328138287Smarks.if !exists(@) 329138287Smarksvnode_if.${_ext}: @ 330138287Smarks.endif 331138287Smarks.if exists(@) 332138287Smarksvnode_if.${_ext}: @/kern/vnode_if.pl @/kern/vnode_if.src 333138287Smarks.endif 334138287Smarks perl @/kern/vnode_if.pl -${_ext} @/kern/vnode_if.src 335138287Smarks.endif 336138287Smarks.endfor 337138287Smarks 338138287Smarksregress: 339138287Smarks 340138287Smarks.include <bsd.dep.mk> 341138287Smarks 342138287Smarks.if !exists(${DEPENDFILE}) 343138287Smarks${OBJS}: ${SRCS:M*.h} 344138287Smarks.endif 345138287Smarks 346138287Smarks.include <bsd.obj.mk> 347138287Smarks 348138287Smarks.include <bsd.kern.mk> 349138287Smarks