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# $FreeBSD$
# Part of a unified Makefile for building kernels. This part includes all
# the definitions that need to be after all the % directives except %RULES
# and ones that act like they are part of %RULES.
#
# Most make variables should not be defined in this file. Instead, they
# should be defined in the kern.pre.mk so that port makefiles can
# override or augment them.
# In case the config had a makeoptions DESTDIR...
.if defined(DESTDIR)
MKMODULESENV+= DESTDIR="${DESTDIR}"
.endif
MKMODULESENV+= KERNBUILDDIR="${.CURDIR}"
.MAIN: all
.for target in all clean cleandepend cleandir clobber depend install \
obj reinstall tags
${target}: kernel-${target}
.if !defined(MODULES_WITH_WORLD) && !defined(NO_MODULES) && exists($S/modules)
${target}: modules-${target}
modules-${target}:
cd $S/modules; ${MKMODULESENV} ${MAKE} \
${target:S/^reinstall$/install/:S/^clobber$/cleandir/}
.endif
.endfor
.ORDER: kernel-install modules-install
kernel-all: ${KERNEL_KO}
kernel-cleandir: kernel-clean
kernel-clobber:
find . -maxdepth 1 ! -type d ! -name version -delete
kernel-obj:
.if !defined(MODULES_WITH_WORLD) && !defined(NO_MODULES) && exists($S/modules)
modules: modules-all
.if !defined(NO_MODULES_OBJ)
modules-all modules-depend: modules-obj
.endif
.endif
.if !defined(DEBUG)
FULLKERNEL= ${KERNEL_KO}
.else
FULLKERNEL= ${KERNEL_KO}.debug
${KERNEL_KO}: ${FULLKERNEL}
${OBJCOPY} --strip-debug ${FULLKERNEL} ${KERNEL_KO}
install.debug reinstall.debug: gdbinit
cd ${.CURDIR}; ${MAKE} -DINSTALL_DEBUG ${.TARGET:R}
# Install gdbinit files for kernel debugging.
gdbinit:
grep -v '# XXX' ${S}/../tools/debugscripts/dot.gdbinit | \
sed "s:MODPATH:${.OBJDIR}/modules:" > .gdbinit
cp ${S}/../tools/debugscripts/gdbinit.kernel \
${S}/../tools/debugscripts/gdbinit.vinum ${.CURDIR}
.if exists(${S}/../tools/debugscripts/gdbinit.${MACHINE_ARCH})
cp ${S}/../tools/debugscripts/gdbinit.${MACHINE_ARCH} \
${.CURDIR}/gdbinit.machine
.endif
.endif
${FULLKERNEL}: ${SYSTEM_DEP} vers.o
@rm -f ${.TARGET}
@echo linking ${.TARGET}
${SYSTEM_LD}
.if !defined(DEBUG)
${OBJCOPY} --strip-debug ${.TARGET}
.endif
${SYSTEM_LD_TAIL}
.if !exists(${.OBJDIR}/.depend)
${SYSTEM_OBJS}: assym.s miidevs.h vnode_if.h ${BEFORE_DEPEND:M*.h} \
${MFILES:T:S/.m$/.h/}
.endif
LNFILES= ${CFILES:T:S/.c$/.ln/}
.for mfile in ${MFILES}
# XXX the low quality .m.o rules gnerated by config are normally used
# instead of the .m.c rules here.
${mfile:T:S/.m$/.c/}: ${mfile}
${AWK} -f $S/tools/makeobjops.awk ${mfile} -c
${mfile:T:S/.m$/.h/}: ${mfile}
${AWK} -f $S/tools/makeobjops.awk ${mfile} -h
.endfor
kernel-clean:
rm -f *.o *.so *.So *.ko *.s eddep errs \
${FULLKERNEL} ${KERNEL_KO} linterrs makelinks tags \
vers.c vnode_if.c vnode_if.h majors.c \
${MFILES:T:S/.m$/.c/} ${MFILES:T:S/.m$/.h/} \
${CLEAN}
lint: ${LNFILES}
${LINT} ${LINTKERNFLAGS} ${CFLAGS:M-[DILU]*} ${.ALLSRC} 2>&1 | \
tee -a linterrs
# This is a hack. BFD "optimizes" away dynamic mode if there are no
# dynamic references. We could probably do a '-Bforcedynamic' mode like
# in the a.out ld. For now, this works.
HACK_EXTRA_FLAGS?= -shared
hack.So: Makefile
touch hack.c
${CC} ${HACK_EXTRA_FLAGS} -nostdlib hack.c -o hack.So
rm -f hack.c
# This rule stops ./assym.s in .depend from causing problems.
./assym.s: assym.s
assym.s: $S/kern/genassym.sh genassym.o
NM=${NM} sh $S/kern/genassym.sh genassym.o > ${.TARGET}
genassym.o: $S/$M/$M/genassym.c
${CC} -c ${CFLAGS:N-fno-common} $S/$M/$M/genassym.c
${SYSTEM_OBJS} genassym.o vers.o: opt_global.h
kernel-depend:
.if defined(EXTRA_KERNELDEP)
${EXTRA_KERNELDEP}
.endif
rm -f .olddep
if [ -f .depend ]; then mv .depend .olddep; fi
${MAKE} _kernel-depend
# XXX this belongs elsewhere (inside GEN_CFILES if possible).
GEN_M_CFILES= ${MFILES:T:S/.m$/.c/}
# The argument list can be very long, so use make -V and xargs to
# pass it to mkdep.
_kernel-depend: assym.s miidevs.h vnode_if.h ${BEFORE_DEPEND} \
${CFILES} ${SYSTEM_CFILES} ${GEN_CFILES} ${GEN_M_CFILES} \
${SFILES} ${MFILES:T:S/.m$/.h/}
if [ -f .olddep ]; then mv .olddep .depend; fi
rm -f .newdep
${MAKE} -V CFILES -V SYSTEM_CFILES -V GEN_CFILES -V GEN_M_CFILES | \
MKDEP_CPP="${CC} -E" CC="${CC}" xargs mkdep -a -f .newdep ${CFLAGS}
${MAKE} -V SFILES | \
MKDEP_CPP="${CC} -E" xargs mkdep -a -f .newdep ${ASM_CFLAGS}
rm -f .depend
mv .newdep .depend
kernel-cleandepend:
rm -f .depend
links:
egrep '#if' ${CFILES} | sed -f $S/conf/defines | \
sed -e 's/:.*//' -e 's/\.c/.o/' | sort -u > dontlink
${MAKE} -V CFILES | tr -s ' ' '\12' | sed 's/\.c/.o/' | \
sort -u | comm -23 - dontlink | \
sed 's,../.*/\(.*.o\),rm -f \1;ln -s ../GENERIC/\1 \1,' > makelinks
sh makelinks; rm -f dontlink
kernel-tags:
@[ -f .depend ] || { echo "you must make depend first"; exit 1; }
sh $S/conf/systags.sh
rm -f tags1
sed -e 's, ../, ,' tags > tags1
kernel-install:
.if exists(${DESTDIR}/boot)
@if [ ! -f ${DESTDIR}/boot/device.hints ] ; then \
echo "You must set up a ${DESTDIR}/boot/device.hints file first." ; \
exit 1 ; \
fi
@if [ x"`grep device.hints ${DESTDIR}/boot/defaults/loader.conf ${DESTDIR}/boot/loader.conf`" = "x" ]; then \
echo "You must activate /boot/device.hints in loader.conf." ; \
exit 1 ; \
fi
.endif
@if [ ! -f ${FULLKERNEL} ] ; then \
echo "You must build a kernel first." ; \
exit 1 ; \
fi
.if exists(${DESTDIR}${KODIR})
-thiskernel=`sysctl -n kern.bootfile` ; \
if [ "`dirname "$$thiskernel"`" != ${DESTDIR}${KODIR} ] ; then \
chflags -R noschg ${DESTDIR}${KODIR} ; \
rm -rf ${DESTDIR}${KODIR} ; \
else \
if [ -d ${DESTDIR}${KODIR}.old ] ; then \
chflags -R noschg ${DESTDIR}${KODIR}.old ; \
rm -rf ${DESTDIR}${KODIR}.old ; \
fi ; \
mv ${DESTDIR}${KODIR} ${DESTDIR}${KODIR}.old ; \
sysctl kern.bootfile=${DESTDIR}${KODIR}.old/"`basename "$$thiskernel"`" ; \
fi
.endif
mkdir -p ${DESTDIR}${KODIR}
.if defined(DEBUG) && defined(INSTALL_DEBUG)
${INSTALL} -p -m 555 -o root -g wheel ${FULLKERNEL} ${DESTDIR}${KODIR}
.else
${INSTALL} -p -m 555 -o root -g wheel ${KERNEL_KO} ${DESTDIR}${KODIR}
.endif
kernel-reinstall:
@-chflags -R noschg ${DESTDIR}${KODIR}
.if defined(DEBUG) && defined(INSTALL_DEBUG)
${INSTALL} -p -m 555 -o root -g wheel ${FULLKERNEL} ${DESTDIR}${KODIR}
.else
${INSTALL} -p -m 555 -o root -g wheel ${KERNEL_KO} ${DESTDIR}${KODIR}
.endif
config.o env.o hints.o majors.o vers.o vnode_if.o:
${NORMAL_C}
config.ln env.ln hints.ln majors.ln vers.ln vnode_if.ln:
${NORMAL_LINT}
majors.c: $S/conf/majors $S/conf/majors.awk
${AWK} -f $S/conf/majors.awk $S/conf/majors > ${.TARGET}
vers.c: $S/conf/newvers.sh $S/sys/param.h ${SYSTEM_DEP}
sh $S/conf/newvers.sh ${KERN_IDENT}
vnode_if.c: $S/tools/vnode_if.awk $S/kern/vnode_if.src
${AWK} -f $S/tools/vnode_if.awk $S/kern/vnode_if.src -c
vnode_if.h: $S/tools/vnode_if.awk $S/kern/vnode_if.src
${AWK} -f $S/tools/vnode_if.awk $S/kern/vnode_if.src -h
# XXX strictly, everything depends on Makefile because changes to ${PROF}
# only appear there, but we don't handle that.
.include "kern.mk"
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