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="${DESTDIR}" 14.endif 15MKMODULESENV+= KERNBUILDDIR="${.CURDIR}" 16 17.MAIN: all 18 19.for target in all clean cleandepend cleandir clobber depend install \ 20 obj reinstall tags 21${target}: kernel-${target} 22.if !defined(MODULES_WITH_WORLD) && !defined(NO_MODULES) && exists($S/modules) 23${target}: modules-${target} 24modules-${target}: 25 cd $S/modules; ${MKMODULESENV} ${MAKE} \ 26 ${target:S/^reinstall$/install/:S/^clobber$/cleandir/} 27.endif 28.endfor 29 30# Handle out of tree ports 31.if !defined(NO_MODULES) && defined(PORTS_MODULES) 32SYSDIR?= ${S:C;^[^/];${.CURDIR}/&;} 33PORTSMODULESENV=SYSDIR=${SYSDIR} 34.for __target in all install reinstall clean 35${__target}: ports-${__target} 36ports-${__target}: 37.for __i in ${PORTS_MODULES} 38 cd $${PORTSDIR:-/usr/ports}/${__i}; ${PORTSMODULESENV} ${MAKE} -B ${__target:C/install/deinstall reinstall/:C/reinstall/deinstall reinstall/} 39.endfor 40.endfor 41.endif 42 43.ORDER: kernel-install modules-install 44 45kernel-all: ${KERNEL_KO} ${KERNEL_EXTRA} 46 47kernel-cleandir: kernel-clean kernel-cleandepend 48 49kernel-clobber: 50 find . -maxdepth 1 ! -type d ! -name version -delete 51 52kernel-obj: 53 54.if !defined(MODULES_WITH_WORLD) && !defined(NO_MODULES) && exists($S/modules) 55modules: modules-all 56 57.if !defined(NO_MODULES_OBJ) 58modules-all modules-depend: modules-obj 59.endif 60.endif 61 62.if !defined(DEBUG) 63FULLKERNEL= ${KERNEL_KO} 64.else 65FULLKERNEL= ${KERNEL_KO}.debug 66${KERNEL_KO}: ${FULLKERNEL} ${KERNEL_KO}.symbols 67 ${OBJCOPY} --strip-debug --add-gnu-debuglink=${KERNEL_KO}.symbols\ 68 ${FULLKERNEL} ${.TARGET} 69${KERNEL_KO}.symbols: ${FULLKERNEL} 70 ${OBJCOPY} --only-keep-debug ${FULLKERNEL} ${.TARGET} 71install.debug reinstall.debug: gdbinit 72 cd ${.CURDIR}; ${MAKE} ${.TARGET:R} 73 74# Install gdbinit files for kernel debugging. 75gdbinit: 76 grep -v '# XXX' ${S}/../tools/debugscripts/dot.gdbinit | \ 77 sed "s:MODPATH:${.OBJDIR}/modules:" > .gdbinit 78 cp ${S}/../tools/debugscripts/gdbinit.kernel ${.CURDIR} 79.if exists(${S}/../tools/debugscripts/gdbinit.${MACHINE_ARCH}) 80 cp ${S}/../tools/debugscripts/gdbinit.${MACHINE_ARCH} \ 81 ${.CURDIR}/gdbinit.machine 82.endif 83.endif 84 85${FULLKERNEL}: ${SYSTEM_DEP} vers.o 86 @rm -f ${.TARGET} 87 @echo linking ${.TARGET} 88 ${SYSTEM_LD} 89.if !defined(DEBUG) 90 ${OBJCOPY} --strip-debug ${.TARGET} 91.endif 92 ${SYSTEM_LD_TAIL} 93.if defined(MFS_IMAGE) 94 @dd if="${MFS_IMAGE}" ibs=8192 of="${FULLKERNEL}" \ 95 obs=`strings -at d "${FULLKERNEL}" | \ 96 grep "MFS Filesystem goes here" | awk '{print $$1}'` \ 97 oseek=1 conv=notrunc 2>/dev/null && \ 98 strings ${FULLKERNEL} | \ 99 grep 'MFS Filesystem had better STOP here' > /dev/null || \ 100 (rm ${FULLKERNEL} && echo 'MFS image too large' && false) 101.endif 102 103.if !exists(${.OBJDIR}/.depend) 104${SYSTEM_OBJS}: assym.s vnode_if.h ${BEFORE_DEPEND:M*.h} ${MFILES:T:S/.m$/.h/} 105.endif 106 107LNFILES= ${CFILES:T:S/.c$/.ln/} 108 109.for mfile in ${MFILES} 110# XXX the low quality .m.o rules gnerated by config are normally used 111# instead of the .m.c rules here. 112${mfile:T:S/.m$/.c/}: ${mfile} 113 ${AWK} -f $S/tools/makeobjops.awk ${mfile} -c 114${mfile:T:S/.m$/.h/}: ${mfile} 115 ${AWK} -f $S/tools/makeobjops.awk ${mfile} -h 116.endfor 117 118kernel-clean: 119 rm -f *.o *.so *.So *.ko *.s eddep errs \ 120 ${FULLKERNEL} ${KERNEL_KO} ${KERNEL_KO}.symbols \ 121 linterrs makelinks tags vers.c \ 122 vnode_if.c vnode_if.h vnode_if_newproto.h vnode_if_typedef.h \ 123 ${MFILES:T:S/.m$/.c/} ${MFILES:T:S/.m$/.h/} \ 124 ${CLEAN} 125 126lint: ${LNFILES} 127 ${LINT} ${LINTKERNFLAGS} ${CFLAGS:M-[DILU]*} ${.ALLSRC} 2>&1 | \ 128 tee -a linterrs 129 130# This is a hack. BFD "optimizes" away dynamic mode if there are no 131# dynamic references. We could probably do a '-Bforcedynamic' mode like 132# in the a.out ld. For now, this works. 133HACK_EXTRA_FLAGS?= -shared 134hack.So: Makefile 135 :> hack.c 136 ${CC} ${HACK_EXTRA_FLAGS} -nostdlib hack.c -o hack.So 137 rm -f hack.c 138 139# This rule stops ./assym.s in .depend from causing problems. 140./assym.s: assym.s 141 142assym.s: $S/kern/genassym.sh genassym.o 143 NM='${NM}' sh $S/kern/genassym.sh genassym.o > ${.TARGET} 144 145genassym.o: $S/$M/$M/genassym.c 146 ${CC} -c ${CFLAGS:N-fno-common} $S/$M/$M/genassym.c 147 148${SYSTEM_OBJS} genassym.o vers.o: opt_global.h 149 150kernel-depend: .depend 151# The argument list can be very long, so use make -V and xargs to 152# pass it to mkdep. 153SRCS= assym.s vnode_if.h ${BEFORE_DEPEND} ${CFILES} \ 154 ${SYSTEM_CFILES} ${GEN_CFILES} ${SFILES} \ 155 ${MFILES:T:S/.m$/.h/} 156.depend: .PRECIOUS ${SRCS} 157 rm -f .newdep 158 ${MAKE} -V CFILES -V SYSTEM_CFILES -V GEN_CFILES | \ 159 MKDEP_CPP="${CC} -E" CC="${CC}" xargs mkdep -a -f .newdep ${CFLAGS} 160 ${MAKE} -V SFILES | \ 161 MKDEP_CPP="${CC} -E" xargs mkdep -a -f .newdep ${ASM_CFLAGS} 162 rm -f .depend 163 mv .newdep .depend 164 165_ILINKS= machine 166.if ${MACHINE} != ${MACHINE_ARCH} 167_ILINKS+= ${MACHINE_ARCH} 168.endif 169 170# Ensure that the link exists without depending on it when it exists. 171.for _link in ${_ILINKS} 172.if !exists(${.OBJDIR}/${_link}) 173${SRCS}: ${_link} 174.endif 175.endfor 176 177${_ILINKS}: 178 @case ${.TARGET} in \ 179 machine) \ 180 path=${S}/${MACHINE}/include ;; \ 181 ${MACHINE_ARCH}) \ 182 path=${S}/${MACHINE_ARCH}/include ;; \ 183 esac ; \ 184 ${ECHO} ${.TARGET} "->" $$path ; \ 185 ln -s $$path ${.TARGET} 186 187# .depend needs include links so we remove them only together. 188kernel-cleandepend: 189 rm -f .depend ${_ILINKS} 190 191links: 192 egrep '#if' ${CFILES} | sed -f $S/conf/defines | \ 193 sed -e 's/:.*//' -e 's/\.c/.o/' | sort -u > dontlink 194 ${MAKE} -V CFILES | tr -s ' ' '\12' | sed 's/\.c/.o/' | \ 195 sort -u | comm -23 - dontlink | \ 196 sed 's,../.*/\(.*.o\),rm -f \1;ln -s ../GENERIC/\1 \1,' > makelinks 197 sh makelinks; rm -f dontlink 198 199kernel-tags: 200 @[ -f .depend ] || { echo "you must make depend first"; exit 1; } 201 sh $S/conf/systags.sh 202 203kernel-install: 204 @if [ ! -f ${KERNEL_KO} ] ; then \ 205 echo "You must build a kernel first." ; \ 206 exit 1 ; \ 207 fi 208.if exists(${DESTDIR}${KODIR}) 209 -thiskernel=`sysctl -n kern.bootfile` ; \ 210 if [ ! "`dirname "$$thiskernel"`" -ef ${DESTDIR}${KODIR} ] ; then \ 211 chflags -R noschg ${DESTDIR}${KODIR} ; \ 212 rm -rf ${DESTDIR}${KODIR} ; \ 213 else \ 214 if [ -d ${DESTDIR}${KODIR}.old ] ; then \ 215 chflags -R noschg ${DESTDIR}${KODIR}.old ; \ 216 rm -rf ${DESTDIR}${KODIR}.old ; \ 217 fi ; \ 218 mv ${DESTDIR}${KODIR} ${DESTDIR}${KODIR}.old ; \ 219 sysctl kern.bootfile=${DESTDIR}${KODIR}.old/"`basename "$$thiskernel"`" ; \ 220 fi 221.endif 222 mkdir -p ${DESTDIR}${KODIR} 223 ${INSTALL} -p -m 555 -o root -g wheel ${KERNEL_KO} ${DESTDIR}${KODIR} 224.if defined(DEBUG) && !defined(INSTALL_NODEBUG) 225 ${INSTALL} -p -m 555 -o root -g wheel ${KERNEL_KO}.symbols ${DESTDIR}${KODIR} 226.endif 227.if defined(KERNEL_EXTRA_INSTALL) 228 ${INSTALL} -p -m 555 -o root -g wheel ${KERNEL_EXTRA_INSTALL} ${DESTDIR}${KODIR} 229.endif 230 231 232 233kernel-reinstall: 234 @-chflags -R noschg ${DESTDIR}${KODIR} 235 ${INSTALL} -p -m 555 -o root -g wheel ${KERNEL_KO} ${DESTDIR}${KODIR} 236.if defined(DEBUG) && !defined(INSTALL_NODEBUG) 237 ${INSTALL} -p -m 555 -o root -g wheel ${KERNEL_KO}.symbols ${DESTDIR}${KODIR} 238.endif 239 240config.o env.o hints.o vers.o vnode_if.o: 241 ${NORMAL_C} 242 243config.ln env.ln hints.ln vers.ln vnode_if.ln: 244 ${NORMAL_LINT} 245 246vers.c: $S/conf/newvers.sh $S/sys/param.h ${SYSTEM_DEP} 247 MAKE=${MAKE} sh $S/conf/newvers.sh ${KERN_IDENT} 248 249vnode_if.c: $S/tools/vnode_if.awk $S/kern/vnode_if.src 250 ${AWK} -f $S/tools/vnode_if.awk $S/kern/vnode_if.src -c 251 252vnode_if.h vnode_if_newproto.h vnode_if_typedef.h: $S/tools/vnode_if.awk \ 253 $S/kern/vnode_if.src 254vnode_if.h: vnode_if_newproto.h vnode_if_typedef.h 255 ${AWK} -f $S/tools/vnode_if.awk $S/kern/vnode_if.src -h 256vnode_if_newproto.h: 257 ${AWK} -f $S/tools/vnode_if.awk $S/kern/vnode_if.src -p 258vnode_if_typedef.h: 259 ${AWK} -f $S/tools/vnode_if.awk $S/kern/vnode_if.src -q 260 261# XXX strictly, everything depends on Makefile because changes to ${PROF} 262# only appear there, but we don't handle that. 263 264.include "kern.mk" 265