Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)
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FreeBSD/Linux Kernel Cross Reference
sys/conf/kern.post.mk
Version:
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1 # $FreeBSD: releng/8.0/sys/conf/kern.post.mk 191794 2009-05-04 20:25:56Z jhb $ 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) 13 MKMODULESENV+= DESTDIR="${DESTDIR}" 14 .endif 15 SYSDIR?= ${S:C;^[^/];${.CURDIR}/&;} 16 MKMODULESENV+= KERNBUILDDIR="${.CURDIR}" SYSDIR="${SYSDIR}" 17 18 .MAIN: all 19 20 .for target in all clean cleandepend cleandir clobber depend install \ 21 obj reinstall tags 22 ${target}: kernel-${target} 23 .if !defined(MODULES_WITH_WORLD) && !defined(NO_MODULES) && exists($S/modules) 24 ${target}: modules-${target} 25 modules-${target}: 26 cd $S/modules; ${MKMODULESENV} ${MAKE} \ 27 ${target:S/^reinstall$/install/:S/^clobber$/cleandir/} 28 .endif 29 .endfor 30 31 # Handle out of tree ports 32 .if !defined(NO_MODULES) && defined(PORTS_MODULES) 33 PORTSMODULESENV=SYSDIR=${SYSDIR} 34 .for __target in all install reinstall clean 35 ${__target}: ports-${__target} 36 ports-${__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 45 kernel-all: ${KERNEL_KO} ${KERNEL_EXTRA} 46 47 kernel-cleandir: kernel-clean kernel-cleandepend 48 49 kernel-clobber: 50 find . -maxdepth 1 ! -type d ! -name version -delete 51 52 kernel-obj: 53 54 .if !defined(MODULES_WITH_WORLD) && !defined(NO_MODULES) && exists($S/modules) 55 modules: modules-all 56 57 .if !defined(NO_MODULES_OBJ) 58 modules-all modules-depend: modules-obj 59 .endif 60 .endif 61 62 .if !defined(DEBUG) 63 FULLKERNEL= ${KERNEL_KO} 64 .else 65 FULLKERNEL= ${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} 71 install.debug reinstall.debug: gdbinit 72 cd ${.CURDIR}; ${MAKE} ${.TARGET:R} 73 74 # Install gdbinit files for kernel debugging. 75 gdbinit: 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(CTFMERGE) 90 ${SYSTEM_CTFMERGE} 91 .endif 92 .if !defined(DEBUG) 93 ${OBJCOPY} --strip-debug ${.TARGET} 94 .endif 95 ${SYSTEM_LD_TAIL} 96 .if defined(MFS_IMAGE) 97 @sh ${S}/tools/embed_mfs.sh ${FULLKERNEL} ${MFS_IMAGE} 98 .endif 99 100 .if !exists(${.OBJDIR}/.depend) 101 ${SYSTEM_OBJS}: assym.s vnode_if.h ${BEFORE_DEPEND:M*.h} ${MFILES:T:S/.m$/.h/} 102 .endif 103 104 LNFILES= ${CFILES:T:S/.c$/.ln/} 105 106 .for mfile in ${MFILES} 107 # XXX the low quality .m.o rules gnerated by config are normally used 108 # instead of the .m.c rules here. 109 ${mfile:T:S/.m$/.c/}: ${mfile} 110 ${AWK} -f $S/tools/makeobjops.awk ${mfile} -c 111 ${mfile:T:S/.m$/.h/}: ${mfile} 112 ${AWK} -f $S/tools/makeobjops.awk ${mfile} -h 113 .endfor 114 115 kernel-clean: 116 rm -f *.o *.so *.So *.ko *.s eddep errs \ 117 ${FULLKERNEL} ${KERNEL_KO} ${KERNEL_KO}.symbols \ 118 linterrs makelinks tags vers.c \ 119 vnode_if.c vnode_if.h vnode_if_newproto.h vnode_if_typedef.h \ 120 ${MFILES:T:S/.m$/.c/} ${MFILES:T:S/.m$/.h/} \ 121 ${CLEAN} 122 123 lint: ${LNFILES} 124 ${LINT} ${LINTKERNFLAGS} ${CFLAGS:M-[DILU]*} ${.ALLSRC} 2>&1 | \ 125 tee -a linterrs 126 127 # This is a hack. BFD "optimizes" away dynamic mode if there are no 128 # dynamic references. We could probably do a '-Bforcedynamic' mode like 129 # in the a.out ld. For now, this works. 130 HACK_EXTRA_FLAGS?= -shared 131 hack.So: Makefile 132 :> hack.c 133 ${CC} ${HACK_EXTRA_FLAGS} -nostdlib hack.c -o hack.So 134 rm -f hack.c 135 136 # This rule stops ./assym.s in .depend from causing problems. 137 ./assym.s: assym.s 138 139 assym.s: $S/kern/genassym.sh genassym.o 140 NM='${NM}' sh $S/kern/genassym.sh genassym.o > ${.TARGET} 141 142 genassym.o: $S/$M/$M/genassym.c 143 ${CC} -c ${CFLAGS:N-fno-common} $S/$M/$M/genassym.c 144 145 ${SYSTEM_OBJS} genassym.o vers.o: opt_global.h 146 147 kernel-depend: .depend 148 # The argument list can be very long, so use make -V and xargs to 149 # pass it to mkdep. 150 SRCS= assym.s vnode_if.h ${BEFORE_DEPEND} ${CFILES} \ 151 ${SYSTEM_CFILES} ${GEN_CFILES} ${SFILES} \ 152 ${MFILES:T:S/.m$/.h/} 153 .depend: .PRECIOUS ${SRCS} 154 rm -f .newdep 155 ${MAKE} -V CFILES -V SYSTEM_CFILES -V GEN_CFILES | \ 156 MKDEP_CPP="${CC} -E" CC="${CC}" xargs mkdep -a -f .newdep ${CFLAGS} 157 ${MAKE} -V SFILES | \ 158 MKDEP_CPP="${CC} -E" xargs mkdep -a -f .newdep ${ASM_CFLAGS} 159 rm -f .depend 160 mv .newdep .depend 161 162 _ILINKS= machine 163 .if ${MACHINE} != ${MACHINE_ARCH} 164 _ILINKS+= ${MACHINE_ARCH} 165 .endif 166 167 # Ensure that the link exists without depending on it when it exists. 168 .for _link in ${_ILINKS} 169 .if !exists(${.OBJDIR}/${_link}) 170 ${SRCS}: ${_link} 171 .endif 172 .endfor 173 174 ${_ILINKS}: 175 @case ${.TARGET} in \ 176 machine) \ 177 path=${S}/${MACHINE}/include ;; \ 178 ${MACHINE_ARCH}) \ 179 path=${S}/${MACHINE_ARCH}/include ;; \ 180 esac ; \ 181 ${ECHO} ${.TARGET} "->" $$path ; \ 182 ln -s $$path ${.TARGET} 183 184 # .depend needs include links so we remove them only together. 185 kernel-cleandepend: 186 rm -f .depend ${_ILINKS} 187 188 links: 189 egrep '#if' ${CFILES} | sed -f $S/conf/defines | \ 190 sed -e 's/:.*//' -e 's/\.c/.o/' | sort -u > dontlink 191 ${MAKE} -V CFILES | tr -s ' ' '\12' | sed 's/\.c/.o/' | \ 192 sort -u | comm -23 - dontlink | \ 193 sed 's,../.*/\(.*.o\),rm -f \1;ln -s ../GENERIC/\1 \1,' > makelinks 194 sh makelinks; rm -f dontlink 195 196 kernel-tags: 197 @[ -f .depend ] || { echo "you must make depend first"; exit 1; } 198 sh $S/conf/systags.sh 199 200 kernel-install: 201 @if [ ! -f ${KERNEL_KO} ] ; then \ 202 echo "You must build a kernel first." ; \ 203 exit 1 ; \ 204 fi 205 .if exists(${DESTDIR}${KODIR}) 206 -thiskernel=`sysctl -n kern.bootfile` ; \ 207 if [ ! "`dirname "$$thiskernel"`" -ef ${DESTDIR}${KODIR} ] ; then \ 208 chflags -R noschg ${DESTDIR}${KODIR} ; \ 209 rm -rf ${DESTDIR}${KODIR} ; \ 210 else \ 211 if [ -d ${DESTDIR}${KODIR}.old ] ; then \ 212 chflags -R noschg ${DESTDIR}${KODIR}.old ; \ 213 rm -rf ${DESTDIR}${KODIR}.old ; \ 214 fi ; \ 215 mv ${DESTDIR}${KODIR} ${DESTDIR}${KODIR}.old ; \ 216 sysctl kern.bootfile=${DESTDIR}${KODIR}.old/"`basename "$$thiskernel"`" ; \ 217 fi 218 .endif 219 mkdir -p ${DESTDIR}${KODIR} 220 ${INSTALL} -p -m 555 -o ${KMODOWN} -g ${KMODGRP} ${KERNEL_KO} ${DESTDIR}${KODIR} 221 .if defined(DEBUG) && !defined(INSTALL_NODEBUG) 222 ${INSTALL} -p -m 555 -o ${KMODOWN} -g ${KMODGRP} ${KERNEL_KO}.symbols ${DESTDIR}${KODIR} 223 .endif 224 .if defined(KERNEL_EXTRA_INSTALL) 225 ${INSTALL} -p -m 555 -o ${KMODOWN} -g ${KMODGRP} ${KERNEL_EXTRA_INSTALL} ${DESTDIR}${KODIR} 226 .endif 227 228 229 230 kernel-reinstall: 231 @-chflags -R noschg ${DESTDIR}${KODIR} 232 ${INSTALL} -p -m 555 -o ${KMODOWN} -g ${KMODGRP} ${KERNEL_KO} ${DESTDIR}${KODIR} 233 .if defined(DEBUG) && !defined(INSTALL_NODEBUG) 234 ${INSTALL} -p -m 555 -o ${KMODOWN} -g ${KMODGRP} ${KERNEL_KO}.symbols ${DESTDIR}${KODIR} 235 .endif 236 237 config.o env.o hints.o vers.o vnode_if.o: 238 ${NORMAL_C} 239 .if defined(CTFCONVERT) 240 ${CTFCONVERT} ${CTFFLAGS} ${.TARGET} 241 .endif 242 243 config.ln env.ln hints.ln vers.ln vnode_if.ln: 244 ${NORMAL_LINT} 245 246 vers.c: $S/conf/newvers.sh $S/sys/param.h ${SYSTEM_DEP} 247 MAKE=${MAKE} sh $S/conf/newvers.sh ${KERN_IDENT} 248 249 vnode_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 251 252 vnode_if.h vnode_if_newproto.h vnode_if_typedef.h: $S/tools/vnode_if.awk \ 253 $S/kern/vnode_if.src 254 vnode_if.h: vnode_if_newproto.h vnode_if_typedef.h 255 ${AWK} -f $S/tools/vnode_if.awk $S/kern/vnode_if.src -h 256 vnode_if_newproto.h: 257 ${AWK} -f $S/tools/vnode_if.awk $S/kern/vnode_if.src -p 258 vnode_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"
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