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 @echo ${CTFMERGE} ${CTFFLAGS} -o ${.TARGET} ... 130 @${CTFMERGE} ${CTFFLAGS} -o ${.TARGET} ${SYSTEM_OBJS} vers.o 131.endif 132.if !defined(DEBUG) 133 ${OBJCOPY} --strip-debug ${.TARGET} 134.endif 135 ${SYSTEM_LD_TAIL} 136.if defined(MFS_IMAGE) 137 sh ${S}/tools/embed_mfs.sh ${FULLKERNEL} ${MFS_IMAGE} 138.endif 139 140.if !exists(${.OBJDIR}/.depend) 141${SYSTEM_OBJS}: assym.s vnode_if.h ${BEFORE_DEPEND:M*.h} ${MFILES:T:S/.m$/.h/} 142.endif 143 144LNFILES= ${CFILES:T:S/.c$/.ln/} 145 146.for mfile in ${MFILES} 147# XXX the low quality .m.o rules gnerated by config are normally used 148# instead of the .m.c rules here. 149${mfile:T:S/.m$/.c/}: ${mfile} 150 ${AWK} -f $S/tools/makeobjops.awk ${mfile} -c 151${mfile:T:S/.m$/.h/}: ${mfile} 152 ${AWK} -f $S/tools/makeobjops.awk ${mfile} -h 153.endfor 154 155kernel-clean: 156 rm -f *.o *.so *.So *.ko *.s eddep errs \ 157 ${FULLKERNEL} ${KERNEL_KO} ${KERNEL_KO}.symbols \ 158 linterrs tags vers.c \ 159 vnode_if.c vnode_if.h vnode_if_newproto.h vnode_if_typedef.h \ 160 ${MFILES:T:S/.m$/.c/} ${MFILES:T:S/.m$/.h/} \ 161 ${CLEAN} 162 163lint: ${LNFILES} 164 ${LINT} ${LINTKERNFLAGS} ${CFLAGS:M-[DILU]*} ${.ALLSRC} 2>&1 | \ 165 tee -a linterrs 166 167# This is a hack. BFD "optimizes" away dynamic mode if there are no 168# dynamic references. We could probably do a '-Bforcedynamic' mode like 169# in the a.out ld. For now, this works. 170HACK_EXTRA_FLAGS?= -shared 171hack.So: Makefile 172 :> hack.c 173 ${CC} ${HACK_EXTRA_FLAGS} -nostdlib hack.c -o hack.So 174 rm -f hack.c 175 176# This rule stops ./assym.s in .depend from causing problems. 177./assym.s: assym.s 178 179assym.s: $S/kern/genassym.sh genassym.o 180 NM='${NM}' sh $S/kern/genassym.sh genassym.o > ${.TARGET} 181 182genassym.o: $S/$M/$M/genassym.c 183 ${CC} -c ${CFLAGS:N-fno-common} $S/$M/$M/genassym.c 184 185${SYSTEM_OBJS} genassym.o vers.o: opt_global.h 186 187# We have "special" -I include paths for opensolaris/zfs files in 'depend'. 188CFILES_NOZFS= ${CFILES:N*/opensolaris/*} 189SFILES_NOZFS= ${SFILES:N*/opensolaris/*} 190CFILES_ZFS= ${CFILES:M*/opensolaris/*} 191SFILES_ZFS= ${SFILES:M*/opensolaris/*} 192 193kernel-depend: .depend 194# The argument list can be very long, so use make -V and xargs to 195# pass it to mkdep. 196SRCS= assym.s vnode_if.h ${BEFORE_DEPEND} ${CFILES} \ 197 ${SYSTEM_CFILES} ${GEN_CFILES} ${SFILES} \ 198 ${MFILES:T:S/.m$/.h/} 199.depend: .PRECIOUS ${SRCS} 200 rm -f .newdep 201 ${MAKE} -V CFILES_NOZFS -V SYSTEM_CFILES -V GEN_CFILES | \ 202 MKDEP_CPP="${CC} -E" CC="${CC}" xargs mkdep -a -f .newdep ${CFLAGS} 203 ${MAKE} -V CFILES_ZFS | \ 204 MKDEP_CPP="${CC} -E" CC="${CC}" xargs mkdep -a -f .newdep ${ZFS_CFLAGS} 205 ${MAKE} -V SFILES_NOZFS | \ 206 MKDEP_CPP="${CC} -E" xargs mkdep -a -f .newdep ${ASM_CFLAGS} 207 ${MAKE} -V SFILES_ZFS | \ 208 MKDEP_CPP="${CC} -E" xargs mkdep -a -f .newdep ${ZFS_ASM_CFLAGS} 209 rm -f .depend 210 mv .newdep .depend 211 212_ILINKS= machine 213.if ${MACHINE} != ${MACHINE_CPUARCH} 214_ILINKS+= ${MACHINE_CPUARCH} 215.endif 216.if ${MACHINE_CPUARCH} == "i386" || ${MACHINE_CPUARCH} == "amd64" 217_ILINKS+= x86 218.endif 219 220# Ensure that the link exists without depending on it when it exists. 221.for _link in ${_ILINKS} 222.if !exists(${.OBJDIR}/${_link}) 223${SRCS} ${CLEAN:M*.o}: ${_link} 224.endif 225.endfor 226 227${_ILINKS}: 228 @case ${.TARGET} in \ 229 machine) \ 230 path=${S}/${MACHINE}/include ;; \ 231 *) \ 232 path=${S}/${.TARGET}/include ;; \ 233 esac ; \ 234 ${ECHO} ${.TARGET} "->" $$path ; \ 235 ln -s $$path ${.TARGET} 236 237# .depend needs include links so we remove them only together. 238kernel-cleandepend: 239 rm -f .depend ${_ILINKS} 240 241kernel-tags: 242 @[ -f .depend ] || { echo "you must make depend first"; exit 1; } 243 sh $S/conf/systags.sh 244 245kernel-install: 246 @if [ ! -f ${KERNEL_KO} ] ; then \ 247 echo "You must build a kernel first." ; \ 248 exit 1 ; \ 249 fi 250.if exists(${DESTDIR}${KODIR}) 251 -thiskernel=`sysctl -n kern.bootfile` ; \ 252 if [ ! "`dirname "$$thiskernel"`" -ef ${DESTDIR}${KODIR} ] ; then \ 253 chflags -R noschg ${DESTDIR}${KODIR} ; \ 254 rm -rf ${DESTDIR}${KODIR} ; \ 255 else \ 256 if [ -d ${DESTDIR}${KODIR}.old ] ; then \ 257 chflags -R noschg ${DESTDIR}${KODIR}.old ; \ 258 rm -rf ${DESTDIR}${KODIR}.old ; \ 259 fi ; \ 260 mv ${DESTDIR}${KODIR} ${DESTDIR}${KODIR}.old ; \ 261 sysctl kern.bootfile=${DESTDIR}${KODIR}.old/"`basename "$$thiskernel"`" ; \ 262 fi 263.endif 264 mkdir -p ${DESTDIR}${KODIR} 265 ${INSTALL} -p -m 555 -o ${KMODOWN} -g ${KMODGRP} ${KERNEL_KO} ${DESTDIR}${KODIR} 266.if defined(DEBUG) && !defined(INSTALL_NODEBUG) && ${MK_KERNEL_SYMBOLS} != "no" 267 ${INSTALL} -p -m 555 -o ${KMODOWN} -g ${KMODGRP} ${KERNEL_KO}.symbols ${DESTDIR}${KODIR} 268.endif 269.if defined(KERNEL_EXTRA_INSTALL) 270 ${INSTALL} -p -m 555 -o ${KMODOWN} -g ${KMODGRP} ${KERNEL_EXTRA_INSTALL} ${DESTDIR}${KODIR} 271.endif 272 273 274 275kernel-reinstall: 276 @-chflags -R noschg ${DESTDIR}${KODIR} 277 ${INSTALL} -p -m 555 -o ${KMODOWN} -g ${KMODGRP} ${KERNEL_KO} ${DESTDIR}${KODIR} 278.if defined(DEBUG) && !defined(INSTALL_NODEBUG) && ${MK_KERNEL_SYMBOLS} != "no" 279 ${INSTALL} -p -m 555 -o ${KMODOWN} -g ${KMODGRP} ${KERNEL_KO}.symbols ${DESTDIR}${KODIR} 280.endif 281 282config.o env.o hints.o vers.o vnode_if.o: 283 ${NORMAL_C} 284 ${NORMAL_CTFCONVERT} 285 286config.ln env.ln hints.ln vers.ln vnode_if.ln: 287 ${NORMAL_LINT} 288 289vers.c: $S/conf/newvers.sh $S/sys/param.h ${SYSTEM_DEP} 290 MAKE=${MAKE} sh $S/conf/newvers.sh ${KERN_IDENT} 291 292vnode_if.c: $S/tools/vnode_if.awk $S/kern/vnode_if.src 293 ${AWK} -f $S/tools/vnode_if.awk $S/kern/vnode_if.src -c 294 295vnode_if.h vnode_if_newproto.h vnode_if_typedef.h: $S/tools/vnode_if.awk \ 296 $S/kern/vnode_if.src 297vnode_if.h: vnode_if_newproto.h vnode_if_typedef.h 298 ${AWK} -f $S/tools/vnode_if.awk $S/kern/vnode_if.src -h 299vnode_if_newproto.h: 300 ${AWK} -f $S/tools/vnode_if.awk $S/kern/vnode_if.src -p 301vnode_if_typedef.h: 302 ${AWK} -f $S/tools/vnode_if.awk $S/kern/vnode_if.src -q 303 304# XXX strictly, everything depends on Makefile because changes to ${PROF} 305# only appear there, but we don't handle that. 306 307.include "kern.mk" 308