1# $FreeBSD$ 2 3# Part of a unified Makefile for building kernels. This part includes all 4# the definitions that need to be after all the % directives except %RULES 5# and ones that act like they are part of %RULES. 6# 7# Most make variables should not be defined in this file. Instead, they 8# should be defined in the kern.pre.mk so that port makefiles can 9# override or augment them. 10 11# In case the config had a makeoptions DESTDIR... 12.if defined(DESTDIR) 13MKMODULESENV+= DESTDIR="${DESTDIR}" 14.endif 15SYSDIR?= ${S:C;^[^/];${.CURDIR}/&;} 16MKMODULESENV+= KERNBUILDDIR="${.CURDIR}" SYSDIR="${SYSDIR}" 17 18.if defined(CONF_CFLAGS) 19MKMODULESENV+= CONF_CFLAGS="${CONF_CFLAGS}" 20.endif 21 22.if defined(WITH_CTF) 23MKMODULESENV+= WITH_CTF="${WITH_CTF}" 24.endif 25 26.MAIN: all 27 28.for target in all clean cleandepend cleandir clobber depend install \ 29 obj reinstall tags 30${target}: kernel-${target} 31.if !defined(MODULES_WITH_WORLD) && !defined(NO_MODULES) && exists($S/modules) 32${target}: modules-${target} 33modules-${target}: 34 cd $S/modules; ${MKMODULESENV} ${MAKE} \ 35 ${target:S/^reinstall$/install/:S/^clobber$/cleandir/} 36.endif 37.endfor 38 39# Handle ports (as defined by the user) that build kernel modules 40.if !defined(NO_MODULES) && defined(PORTS_MODULES) 41# 42# The ports tree needs some environment variables defined to match the new kernel 43# 44# Ports search for some dependencies in PATH, so add the location of the installed files 45LOCALBASE?= /usr/local 46# SRC_BASE is how the ports tree refers to the location of the base source files 47.if !defined(SRC_BASE) 48SRC_BASE!= realpath "${SYSDIR:H}/" 49.endif 50# OSVERSION is used by some ports to determine build options 51.if !defined(OSRELDATE) 52# Definition copied from src/Makefile.inc1 53OSRELDATE!= awk '/^\#define[[:space:]]*__FreeBSD_version/ { print $$3 }' \ 54 ${MAKEOBJDIRPREFIX}${SRC_BASE}/include/osreldate.h 55.endif 56# Keep the related ports builds in the obj directory so that they are only rebuilt once per kernel build 57WRKDIRPREFIX?= ${MAKEOBJDIRPREFIX}${SRC_BASE}/sys/${KERNCONF} 58PORTSMODULESENV=\ 59 PATH=${PATH}:${LOCALBASE}/bin:${LOCALBASE}/sbin \ 60 SRC_BASE=${SRC_BASE} \ 61 OSVERSION=${OSRELDATE} \ 62 WRKDIRPREFIX=${WRKDIRPREFIX} 63 64# The WRKDIR needs to be cleaned before building, and trying to change the target 65# with a :C pattern below results in install -> instclean 66all: 67.for __i in ${PORTS_MODULES} 68 @${ECHO} "===> Ports module ${__i} (all)" 69 cd $${PORTSDIR:-/usr/ports}/${__i}; ${PORTSMODULESENV} ${MAKE} -B clean all 70.endfor 71 72.for __target in install reinstall clean 73${__target}: ports-${__target} 74ports-${__target}: 75.for __i in ${PORTS_MODULES} 76 @${ECHO} "===> Ports module ${__i} (${__target})" 77 cd $${PORTSDIR:-/usr/ports}/${__i}; ${PORTSMODULESENV} ${MAKE} -B ${__target:C/install/deinstall reinstall/:C/reinstall/deinstall reinstall/} 78.endfor 79.endfor 80.endif 81 82.ORDER: kernel-install modules-install 83 84kernel-all: ${KERNEL_KO} ${KERNEL_EXTRA} 85 86kernel-cleandir: kernel-clean kernel-cleandepend 87 88kernel-clobber: 89 find . -maxdepth 1 ! -type d ! -name version -delete 90 91kernel-obj: 92 93.if !defined(MODULES_WITH_WORLD) && !defined(NO_MODULES) && exists($S/modules) 94modules: modules-all 95 96.if !defined(NO_MODULES_OBJ) 97modules-all modules-depend: modules-obj 98.endif 99.endif 100 101.if !defined(DEBUG) 102FULLKERNEL= ${KERNEL_KO} 103.else 104FULLKERNEL= ${KERNEL_KO}.debug 105${KERNEL_KO}: ${FULLKERNEL} ${KERNEL_KO}.symbols 106 ${OBJCOPY} --strip-debug --add-gnu-debuglink=${KERNEL_KO}.symbols\ 107 ${FULLKERNEL} ${.TARGET} 108${KERNEL_KO}.symbols: ${FULLKERNEL} 109 ${OBJCOPY} --only-keep-debug ${FULLKERNEL} ${.TARGET} 110install.debug reinstall.debug: gdbinit 111 cd ${.CURDIR}; ${MAKE} ${.TARGET:R} 112 113# Install gdbinit files for kernel debugging. 114gdbinit: 115 grep -v '# XXX' ${S}/../tools/debugscripts/dot.gdbinit | \ 116 sed "s:MODPATH:${.OBJDIR}/modules:" > .gdbinit 117 cp ${S}/../tools/debugscripts/gdbinit.kernel ${.CURDIR} 118.if exists(${S}/../tools/debugscripts/gdbinit.${MACHINE_CPUARCH}) 119 cp ${S}/../tools/debugscripts/gdbinit.${MACHINE_CPUARCH} \ 120 ${.CURDIR}/gdbinit.machine 121.endif 122.endif 123 124${FULLKERNEL}: ${SYSTEM_DEP} vers.o ${MFS_IMAGE} 125 @rm -f ${.TARGET} 126 @echo linking ${.TARGET} 127 ${SYSTEM_LD} 128.if ${MK_CTF} != "no" 129 ${CTFMERGE} ${CTFFLAGS} -o ${.TARGET} ${SYSTEM_OBJS} vers.o 130.endif 131.if !defined(DEBUG) 132 ${OBJCOPY} --strip-debug ${.TARGET} 133.endif 134 ${SYSTEM_LD_TAIL} 135.if defined(MFS_IMAGE) 136 sh ${S}/tools/embed_mfs.sh ${FULLKERNEL} ${MFS_IMAGE} 137.endif 138 139.if !exists(${.OBJDIR}/.depend) 140${SYSTEM_OBJS}: assym.s vnode_if.h ${BEFORE_DEPEND:M*.h} ${MFILES:T:S/.m$/.h/} 141.endif 142 143LNFILES= ${CFILES:T:S/.c$/.ln/} 144 145.for mfile in ${MFILES} 146# XXX the low quality .m.o rules gnerated by config are normally used 147# instead of the .m.c rules here. 148${mfile:T:S/.m$/.c/}: ${mfile} 149 ${AWK} -f $S/tools/makeobjops.awk ${mfile} -c 150${mfile:T:S/.m$/.h/}: ${mfile} 151 ${AWK} -f $S/tools/makeobjops.awk ${mfile} -h 152.endfor 153 154kernel-clean: 155 rm -f *.o *.so *.So *.ko *.s eddep errs \ 156 ${FULLKERNEL} ${KERNEL_KO} ${KERNEL_KO}.symbols \ 157 linterrs tags vers.c \ 158 vnode_if.c vnode_if.h vnode_if_newproto.h vnode_if_typedef.h \ 159 ${MFILES:T:S/.m$/.c/} ${MFILES:T:S/.m$/.h/} \ 160 ${CLEAN} 161 162lint: ${LNFILES} 163 ${LINT} ${LINTKERNFLAGS} ${CFLAGS:M-[DILU]*} ${.ALLSRC} 2>&1 | \ 164 tee -a linterrs 165 166# This is a hack. BFD "optimizes" away dynamic mode if there are no 167# dynamic references. We could probably do a '-Bforcedynamic' mode like 168# in the a.out ld. For now, this works. 169HACK_EXTRA_FLAGS?= -shared 170hack.So: Makefile 171 :> hack.c 172 ${CC} ${HACK_EXTRA_FLAGS} -nostdlib hack.c -o hack.So 173 rm -f hack.c 174 175# This rule stops ./assym.s in .depend from causing problems. 176./assym.s: assym.s 177 178assym.s: $S/kern/genassym.sh genassym.o 179 NM='${NM}' sh $S/kern/genassym.sh genassym.o > ${.TARGET} 180 181genassym.o: $S/$M/$M/genassym.c 182 ${CC} -c ${CFLAGS:N-fno-common} $S/$M/$M/genassym.c 183 184${SYSTEM_OBJS} genassym.o vers.o: opt_global.h 185 186# We have "special" -I include paths for opensolaris/zfs files in 'depend'. 187CFILES_NOZFS= ${CFILES:N*/opensolaris/*} 188SFILES_NOZFS= ${SFILES:N*/opensolaris/*} 189CFILES_ZFS= ${CFILES:M*/opensolaris/*} 190SFILES_ZFS= ${SFILES:M*/opensolaris/*} 191 192kernel-depend: .depend 193# The argument list can be very long, so use make -V and xargs to 194# pass it to mkdep. 195SRCS= assym.s vnode_if.h ${BEFORE_DEPEND} ${CFILES} \ 196 ${SYSTEM_CFILES} ${GEN_CFILES} ${SFILES} \ 197 ${MFILES:T:S/.m$/.h/} 198.depend: .PRECIOUS ${SRCS} 199 rm -f .newdep 200 ${MAKE} -V CFILES_NOZFS -V SYSTEM_CFILES -V GEN_CFILES | \ 201 MKDEP_CPP="${CC} -E" CC="${CC}" xargs mkdep -a -f .newdep ${CFLAGS} 202 ${MAKE} -V CFILES_ZFS | \ 203 MKDEP_CPP="${CC} -E" CC="${CC}" xargs mkdep -a -f .newdep ${ZFS_CFLAGS} 204 ${MAKE} -V SFILES_NOZFS | \ 205 MKDEP_CPP="${CC} -E" xargs mkdep -a -f .newdep ${ASM_CFLAGS} 206 ${MAKE} -V SFILES_ZFS | \ 207 MKDEP_CPP="${CC} -E" xargs mkdep -a -f .newdep ${ZFS_ASM_CFLAGS} 208 rm -f .depend 209 mv .newdep .depend 210 211_ILINKS= machine 212.if ${MACHINE} != ${MACHINE_CPUARCH} 213_ILINKS+= ${MACHINE_CPUARCH} 214.endif 215.if ${MACHINE_CPUARCH} == "i386" || ${MACHINE_CPUARCH} == "amd64" 216_ILINKS+= x86 217.endif 218 219# Ensure that the link exists without depending on it when it exists. 220.for _link in ${_ILINKS} 221.if !exists(${.OBJDIR}/${_link}) 222${SRCS}: ${_link} 223.endif 224.endfor 225 226${_ILINKS}: 227 @case ${.TARGET} in \ 228 machine) \ 229 path=${S}/${MACHINE}/include ;; \ 230 *) \ 231 path=${S}/${.TARGET}/include ;; \ 232 esac ; \ 233 ${ECHO} ${.TARGET} "->" $$path ; \ 234 ln -s $$path ${.TARGET} 235 236# .depend needs include links so we remove them only together. 237kernel-cleandepend: 238 rm -f .depend ${_ILINKS} 239 240kernel-tags: 241 @[ -f .depend ] || { echo "you must make depend first"; exit 1; } 242 sh $S/conf/systags.sh 243 244kernel-install: 245 @if [ ! -f ${KERNEL_KO} ] ; then \ 246 echo "You must build a kernel first." ; \ 247 exit 1 ; \ 248 fi 249.if exists(${DESTDIR}${KODIR}) 250 -thiskernel=`sysctl -n kern.bootfile` ; \ 251 if [ ! "`dirname "$$thiskernel"`" -ef ${DESTDIR}${KODIR} ] ; then \ 252 chflags -R noschg ${DESTDIR}${KODIR} ; \ 253 rm -rf ${DESTDIR}${KODIR} ; \ 254 else \ 255 if [ -d ${DESTDIR}${KODIR}.old ] ; then \ 256 chflags -R noschg ${DESTDIR}${KODIR}.old ; \ 257 rm -rf ${DESTDIR}${KODIR}.old ; \ 258 fi ; \ 259 mv ${DESTDIR}${KODIR} ${DESTDIR}${KODIR}.old ; \ 260 sysctl kern.bootfile=${DESTDIR}${KODIR}.old/"`basename "$$thiskernel"`" ; \ 261 fi 262.endif 263 mkdir -p ${DESTDIR}${KODIR} 264 ${INSTALL} -p -m 555 -o ${KMODOWN} -g ${KMODGRP} ${KERNEL_KO} ${DESTDIR}${KODIR} 265.if defined(DEBUG) && !defined(INSTALL_NODEBUG) && ${MK_KERNEL_SYMBOLS} != "no" 266 ${INSTALL} -p -m 555 -o ${KMODOWN} -g ${KMODGRP} ${KERNEL_KO}.symbols ${DESTDIR}${KODIR} 267.endif 268.if defined(KERNEL_EXTRA_INSTALL) 269 ${INSTALL} -p -m 555 -o ${KMODOWN} -g ${KMODGRP} ${KERNEL_EXTRA_INSTALL} ${DESTDIR}${KODIR} 270.endif 271 272 273 274kernel-reinstall: 275 @-chflags -R noschg ${DESTDIR}${KODIR} 276 ${INSTALL} -p -m 555 -o ${KMODOWN} -g ${KMODGRP} ${KERNEL_KO} ${DESTDIR}${KODIR} 277.if defined(DEBUG) && !defined(INSTALL_NODEBUG) && ${MK_KERNEL_SYMBOLS} != "no" 278 ${INSTALL} -p -m 555 -o ${KMODOWN} -g ${KMODGRP} ${KERNEL_KO}.symbols ${DESTDIR}${KODIR} 279.endif 280 281config.o env.o hints.o vers.o vnode_if.o: 282 ${NORMAL_C} 283 ${NORMAL_CTFCONVERT} 284 285config.ln env.ln hints.ln vers.ln vnode_if.ln: 286 ${NORMAL_LINT} 287 288vers.c: $S/conf/newvers.sh $S/sys/param.h ${SYSTEM_DEP} 289 MAKE=${MAKE} sh $S/conf/newvers.sh ${KERN_IDENT} 290 291vnode_if.c: $S/tools/vnode_if.awk $S/kern/vnode_if.src 292 ${AWK} -f $S/tools/vnode_if.awk $S/kern/vnode_if.src -c 293 294vnode_if.h vnode_if_newproto.h vnode_if_typedef.h: $S/tools/vnode_if.awk \ 295 $S/kern/vnode_if.src 296vnode_if.h: vnode_if_newproto.h vnode_if_typedef.h 297 ${AWK} -f $S/tools/vnode_if.awk $S/kern/vnode_if.src -h 298vnode_if_newproto.h: 299 ${AWK} -f $S/tools/vnode_if.awk $S/kern/vnode_if.src -p 300vnode_if_typedef.h: 301 ${AWK} -f $S/tools/vnode_if.awk $S/kern/vnode_if.src -q 302 303# XXX strictly, everything depends on Makefile because changes to ${PROF} 304# only appear there, but we don't handle that. 305 306.include "kern.mk" 307