1# Part of unified Makefile for building kernels. This includes all 2# the definitions that need to be included after all the % directives, 3# except %RULES and things that act like they are part of %RULES 4# 5# Most make variables should not be defined in this file. Instead, they 6# should be defined in the kern.pre.mk so that port makefiles can 7# override or augment them. 8# 9# $FreeBSD$ 10# 11 12# In case the config had a makeoptions DESTDIR... 13.if defined(DESTDIR) 14MKMODULESENV+= DESTDIR="${DESTDIR}" 15.endif 16 17.MAIN: all 18 19.for target in all clean cleandepend cleandir clobber depend install \ 20 obj reinstall tags 21${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.ORDER: kernel-install modules-install 31 32kernel-all: ${KERNEL_KO} 33 34kernel-cleandir: kernel-clean 35 36kernel-clobber: 37 find . -maxdepth 1 ! -type d ! -name version -delete 38 39kernel-obj: 40 41.if !defined(MODULES_WITH_WORLD) && !defined(NO_MODULES) && exists($S/modules) 42modules: modules-all 43 44.if !defined(NO_MODULES_OBJ) 45modules-all modules-depend: modules-obj 46.endif 47.endif 48 49.if !defined(DEBUG) 50FULLKERNEL= ${KERNEL_KO} 51.else 52FULLKERNEL= ${KERNEL_KO}.debug 53${KERNEL_KO}: ${FULLKERNEL} 54 ${OBJCOPY} --strip-debug ${FULLKERNEL} ${KERNEL_KO} 55install.debug reinstall.debug: gdbinit 56 cd ${.CURDIR}; ${MAKE} -DINSTALL_DEBUG ${.TARGET:R} 57 58gdbinit: 59 sed < ${S}/../tools/debugscripts/dot.gdbinit > .gdbinit \ 60 "s:MODPATH:modules${S}/modules:" 61 cp ${S}/../tools/debugscripts/gdbinit.kernel \ 62 ${S}/../tools/debugscripts/gdbinit.vinum ${.CURDIR} 63 cp ${S}/../tools/debugscripts/gdbinit.${MACHINE_ARCH} \ 64 ${.CURDIR}/gdbinit.machine 65.endif 66 67${FULLKERNEL}: ${SYSTEM_DEP} vers.o 68 @rm -f ${.TARGET} 69 @echo linking ${.TARGET} 70 ${SYSTEM_LD} 71 ${SYSTEM_LD_TAIL} 72 73.if !exists(.depend) 74${SYSTEM_OBJS}: assym.s miidevs.h vnode_if.h ${BEFORE_DEPEND:M*.h} ${MFILES:T:S/.m$/.h/} 75.endif 76 77LNFILES= ${CFILES:T:S/.c$/.ln/} 78 79.for mfile in ${MFILES} 80# XXX the low quality .m.o rules gnerated by config are normally used 81# instead of the .m.c rules here. 82${mfile:T:S/.m$/.c/}: ${mfile} 83 ${AWK} -f $S/tools/makeobjops.awk ${mfile} -c 84${mfile:T:S/.m$/.h/}: ${mfile} 85 ${AWK} -f $S/tools/makeobjops.awk ${mfile} -h 86.endfor 87 88kernel-clean: 89 rm -f *.o *.so *.So *.ko *.s eddep errs \ 90 ${FULLKERNEL} ${KERNEL_KO} linterrs makelinks tags \ 91 vers.c vnode_if.c vnode_if.h majors.c \ 92 ${MFILES:T:S/.m$/.c/} ${MFILES:T:S/.m$/.h/} \ 93 ${CLEAN} 94 95lint: ${LNFILES} 96 ${LINT} ${LINTKERNFLAGS} ${CFLAGS:M-[DILU]*} ${.ALLSRC} \ 97 2>&1 | tee -a linterrs 98 99# This is a hack. BFD "optimizes" away dynamic mode if there are no 100# dynamic references. We could probably do a '-Bforcedynamic' mode like 101# in the a.out ld. For now, this works. 102HACK_EXTRA_FLAGS?= -shared 103hack.So: Makefile 104 touch hack.c 105 ${CC} ${FMT} ${HACK_EXTRA_FLAGS} -nostdlib hack.c -o hack.So 106 rm -f hack.c 107 108# this rule stops ./assym.s in .depend from causing problems 109./assym.s: assym.s 110 111assym.s: $S/kern/genassym.sh genassym.o 112 NM=${NM} sh $S/kern/genassym.sh genassym.o > ${.TARGET} 113 114# XXX used to force -elf after CFLAGS to work around breakage of cc -aout 115# (genassym.sh makes some assumptions and cc stopped satisfying them). 116genassym.o: $S/$M/$M/genassym.c 117 ${CC} -c ${CFLAGS:N-fno-common} $S/$M/$M/genassym.c 118 119${SYSTEM_OBJS} genassym.o vers.o: opt_global.h 120 121kernel-depend: 122.if defined(EXTRA_KERNELDEP) 123 ${EXTRA_KERNELDEP} 124.endif 125 rm -f .olddep 126 if [ -f .depend ]; then mv .depend .olddep; fi 127 ${MAKE} _kernel-depend 128 129# XXX this belongs elsewhere (inside GEN_CFILES if possible). 130GEN_M_CFILES= ${MFILES:T:S/.m$/.c/} 131 132# The argument list can be very long, so use make -V and xargs to 133# pass it to mkdep. 134_kernel-depend: assym.s miidevs.h vnode_if.h ${BEFORE_DEPEND} \ 135 ${CFILES} ${SYSTEM_CFILES} ${GEN_CFILES} ${GEN_M_CFILES} \ 136 ${SFILES} ${MFILES:T:S/.m$/.h/} 137 if [ -f .olddep ]; then mv .olddep .depend; fi 138 rm -f .newdep 139 ${MAKE} -V CFILES -V SYSTEM_CFILES -V GEN_CFILES -V GEN_M_CFILES | \ 140 MKDEP_CPP="${CC} -E" CC="${CC}" xargs mkdep -a -f .newdep ${CFLAGS} 141 ${MAKE} -V SFILES | \ 142 MKDEP_CPP="${CC} -E" xargs mkdep -a -f .newdep ${ASM_CFLAGS} 143 rm -f .depend 144 mv .newdep .depend 145 146kernel-cleandepend: 147 rm -f .depend 148 149links: 150 egrep '#if' ${CFILES} | sed -f $S/conf/defines | \ 151 sed -e 's/:.*//' -e 's/\.c/.o/' | sort -u > dontlink 152 ${MAKE} -V CFILES | tr -s ' ' '\12' | sed 's/\.c/.o/' | \ 153 sort -u | comm -23 - dontlink | \ 154 sed 's,../.*/\(.*.o\),rm -f \1;ln -s ../GENERIC/\1 \1,' > makelinks 155 sh makelinks; rm -f dontlink 156 157kernel-tags: 158 @[ -f .depend ] || { echo "you must make depend first"; exit 1; } 159 sh $S/conf/systags.sh 160 rm -f tags1 161 sed -e 's, ../, ,' tags > tags1 162 163kernel-install: 164.if exists(${DESTDIR}/boot) 165 @if [ ! -f ${DESTDIR}/boot/device.hints ] ; then \ 166 echo "You must set up a ${DESTDIR}/boot/device.hints file first." ; \ 167 exit 1 ; \ 168 fi 169 @if [ x"`grep device.hints ${DESTDIR}/boot/defaults/loader.conf ${DESTDIR}/boot/loader.conf`" = "x" ]; then \ 170 echo "You must activate /boot/device.hints in loader.conf." ; \ 171 exit 1 ; \ 172 fi 173.endif 174 @if [ ! -f ${FULLKERNEL} ] ; then \ 175 echo "You must build a kernel first." ; \ 176 exit 1 ; \ 177 fi 178.if exists(${DESTDIR}${KODIR}) 179 -thiskernel=`sysctl -n kern.bootfile` ; \ 180 if [ "$$thiskernel" = ${DESTDIR}${KODIR}.old/${KERNEL_KO} ] ; then \ 181 chflags -R noschg ${DESTDIR}${KODIR} ; \ 182 rm -rf ${DESTDIR}${KODIR} ; \ 183 else \ 184 if [ -d ${DESTDIR}${KODIR}.old ] ; then \ 185 chflags -R noschg ${DESTDIR}${KODIR}.old ; \ 186 rm -rf ${DESTDIR}${KODIR}.old ; \ 187 fi ; \ 188 mv ${DESTDIR}${KODIR} ${DESTDIR}${KODIR}.old ; \ 189 if [ "$$thiskernel" = ${DESTDIR}${KODIR}/${KERNEL_KO} ] ; then \ 190 sysctl kern.bootfile=${DESTDIR}${KODIR}.old/${KERNEL_KO} ; \ 191 fi; \ 192 fi 193.endif 194 mkdir -p ${DESTDIR}${KODIR} 195.if defined(DEBUG) && defined(INSTALL_DEBUG) 196 ${INSTALL} -p -m 555 -o root -g wheel ${FULLKERNEL} ${DESTDIR}${KODIR} 197.else 198 ${INSTALL} -p -m 555 -o root -g wheel ${KERNEL_KO} ${DESTDIR}${KODIR} 199.endif 200 201kernel-reinstall: 202 @-chflags -R noschg ${DESTDIR}${KODIR} 203.if defined(DEBUG) && defined(INSTALL_DEBUG) 204 ${INSTALL} -p -m 555 -o root -g wheel ${FULLKERNEL} ${DESTDIR}${KODIR} 205.else 206 ${INSTALL} -p -m 555 -o root -g wheel ${KERNEL_KO} ${DESTDIR}${KODIR} 207.endif 208 209config.o: 210 ${NORMAL_C} 211 212config.ln: 213 ${NORMAL_LINT} 214 215env.o: env.c 216 ${NORMAL_C} 217 218env.ln: env.c 219 ${NORMAL_LINT} 220 221hints.o: hints.c 222 ${NORMAL_C} 223 224hints.ln: hints.c 225 ${NORMAL_LINT} 226 227vers.c: $S/conf/newvers.sh $S/sys/param.h ${SYSTEM_DEP} 228 sh $S/conf/newvers.sh ${KERN_IDENT} 229 230# XXX strictly, everything depends on Makefile because changes to ${PROF} 231# only appear there, but we don't handle that. 232vers.o: 233 ${NORMAL_C} 234 235vers.ln: 236 ${NORMAL_LINT} 237 238vnode_if.c: $S/tools/vnode_if.awk $S/kern/vnode_if.src 239 ${AWK} -f $S/tools/vnode_if.awk $S/kern/vnode_if.src -c 240 241vnode_if.h: $S/tools/vnode_if.awk $S/kern/vnode_if.src 242 ${AWK} -f $S/tools/vnode_if.awk $S/kern/vnode_if.src -h 243 244vnode_if.o: 245 ${NORMAL_C} 246 247vnode_if.ln: 248 ${NORMAL_LINT} 249 250majors.c: $S/conf/majors $S/conf/majors.awk 251 ${AWK} -f $S/conf/majors.awk $S/conf/majors > majors.c 252 253majors.o: 254 ${NORMAL_C} 255 256majors.ln: 257 ${NORMAL_LINT} 258 259.include "kern.mk" 260