54e1080557
uncovering some interesting problems. Be conservative and effecitvely disable this by default. Interested parties may still define KERNBUILDDIR by hand to achive the same effect. I plan on referting this change after 5.2 is released, or sooner if the issues with building releases are resolved and re@ approves. Approved by: re@ (scottl, marcel)
229 lines
6.9 KiB
Makefile
229 lines
6.9 KiB
Makefile
# $FreeBSD$
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# Part of a unified Makefile for building kernels. This part includes all
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# the definitions that need to be after all the % directives except %RULES
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# and ones that act like they are part of %RULES.
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#
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# Most make variables should not be defined in this file. Instead, they
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# should be defined in the kern.pre.mk so that port makefiles can
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# override or augment them.
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# In case the config had a makeoptions DESTDIR...
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.if defined(DESTDIR)
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MKMODULESENV+= DESTDIR="${DESTDIR}"
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.endif
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.MAIN: all
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.for target in all clean cleandepend cleandir clobber depend install \
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obj reinstall tags
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${target}: kernel-${target}
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.if !defined(MODULES_WITH_WORLD) && !defined(NO_MODULES) && exists($S/modules)
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${target}: modules-${target}
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modules-${target}:
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cd $S/modules; ${MKMODULESENV} ${MAKE} \
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${target:S/^reinstall$/install/:S/^clobber$/cleandir/}
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.endif
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.endfor
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.ORDER: kernel-install modules-install
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kernel-all: ${KERNEL_KO}
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kernel-cleandir: kernel-clean
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kernel-clobber:
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find . -maxdepth 1 ! -type d ! -name version -delete
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kernel-obj:
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.if !defined(MODULES_WITH_WORLD) && !defined(NO_MODULES) && exists($S/modules)
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modules: modules-all
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.if !defined(NO_MODULES_OBJ)
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modules-all modules-depend: modules-obj
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.endif
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.endif
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.if !defined(DEBUG)
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FULLKERNEL= ${KERNEL_KO}
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.else
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FULLKERNEL= ${KERNEL_KO}.debug
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${KERNEL_KO}: ${FULLKERNEL}
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${OBJCOPY} --strip-debug ${FULLKERNEL} ${KERNEL_KO}
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install.debug reinstall.debug: gdbinit
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cd ${.CURDIR}; ${MAKE} -DINSTALL_DEBUG ${.TARGET:R}
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gdbinit:
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sed < ${S}/../tools/debugscripts/dot.gdbinit > .gdbinit \
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"s:MODPATH:${.OBJDIR}/modules:"
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cp ${S}/../tools/debugscripts/gdbinit.kernel \
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${S}/../tools/debugscripts/gdbinit.vinum ${.CURDIR}
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cp ${S}/../tools/debugscripts/gdbinit.${MACHINE_ARCH} \
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${.CURDIR}/gdbinit.machine
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.endif
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${FULLKERNEL}: ${SYSTEM_DEP} vers.o
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@rm -f ${.TARGET}
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@echo linking ${.TARGET}
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${SYSTEM_LD}
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${SYSTEM_LD_TAIL}
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.if !exists(${.OBJDIR}/.depend)
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${SYSTEM_OBJS}: assym.s miidevs.h vnode_if.h ${BEFORE_DEPEND:M*.h} \
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${MFILES:T:S/.m$/.h/}
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.endif
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LNFILES= ${CFILES:T:S/.c$/.ln/}
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.for mfile in ${MFILES}
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# XXX the low quality .m.o rules gnerated by config are normally used
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# instead of the .m.c rules here.
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${mfile:T:S/.m$/.c/}: ${mfile}
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${AWK} -f $S/tools/makeobjops.awk ${mfile} -c
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${mfile:T:S/.m$/.h/}: ${mfile}
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${AWK} -f $S/tools/makeobjops.awk ${mfile} -h
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.endfor
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kernel-clean:
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rm -f *.o *.so *.So *.ko *.s eddep errs \
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${FULLKERNEL} ${KERNEL_KO} linterrs makelinks tags \
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vers.c vnode_if.c vnode_if.h majors.c \
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${MFILES:T:S/.m$/.c/} ${MFILES:T:S/.m$/.h/} \
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${CLEAN}
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lint: ${LNFILES}
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${LINT} ${LINTKERNFLAGS} ${CFLAGS:M-[DILU]*} ${.ALLSRC} \
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2>&1 | tee -a linterrs
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# This is a hack. BFD "optimizes" away dynamic mode if there are no
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# dynamic references. We could probably do a '-Bforcedynamic' mode like
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# in the a.out ld. For now, this works.
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HACK_EXTRA_FLAGS?= -shared
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hack.So: Makefile
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touch hack.c
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${CC} ${FMT} ${HACK_EXTRA_FLAGS} -nostdlib hack.c -o hack.So
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rm -f hack.c
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# this rule stops ./assym.s in .depend from causing problems
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./assym.s: assym.s
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assym.s: $S/kern/genassym.sh genassym.o
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NM=${NM} sh $S/kern/genassym.sh genassym.o > ${.TARGET}
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# XXX used to force -elf after CFLAGS to work around breakage of cc -aout
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# (genassym.sh makes some assumptions and cc stopped satisfying them).
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genassym.o: $S/$M/$M/genassym.c
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${CC} -c ${CFLAGS:N-fno-common} -Wno-inline $S/$M/$M/genassym.c
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${SYSTEM_OBJS} genassym.o vers.o: opt_global.h
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kernel-depend:
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.if defined(EXTRA_KERNELDEP)
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${EXTRA_KERNELDEP}
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.endif
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rm -f .olddep
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if [ -f .depend ]; then mv .depend .olddep; fi
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${MAKE} _kernel-depend
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# XXX this belongs elsewhere (inside GEN_CFILES if possible).
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GEN_M_CFILES= ${MFILES:T:S/.m$/.c/}
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# The argument list can be very long, so use make -V and xargs to
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# pass it to mkdep.
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_kernel-depend: assym.s miidevs.h vnode_if.h ${BEFORE_DEPEND} \
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${CFILES} ${SYSTEM_CFILES} ${GEN_CFILES} ${GEN_M_CFILES} \
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${SFILES} ${MFILES:T:S/.m$/.h/}
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if [ -f .olddep ]; then mv .olddep .depend; fi
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rm -f .newdep
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${MAKE} -V CFILES -V SYSTEM_CFILES -V GEN_CFILES -V GEN_M_CFILES | \
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MKDEP_CPP="${CC} -E" CC="${CC}" xargs mkdep -a -f .newdep ${CFLAGS}
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${MAKE} -V SFILES | \
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MKDEP_CPP="${CC} -E" xargs mkdep -a -f .newdep ${ASM_CFLAGS}
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rm -f .depend
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mv .newdep .depend
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kernel-cleandepend:
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rm -f .depend
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links:
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egrep '#if' ${CFILES} | sed -f $S/conf/defines | \
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sed -e 's/:.*//' -e 's/\.c/.o/' | sort -u > dontlink
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${MAKE} -V CFILES | tr -s ' ' '\12' | sed 's/\.c/.o/' | \
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sort -u | comm -23 - dontlink | \
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sed 's,../.*/\(.*.o\),rm -f \1;ln -s ../GENERIC/\1 \1,' > makelinks
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sh makelinks; rm -f dontlink
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kernel-tags:
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@[ -f .depend ] || { echo "you must make depend first"; exit 1; }
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sh $S/conf/systags.sh
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rm -f tags1
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sed -e 's, ../, ,' tags > tags1
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kernel-install:
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.if exists(${DESTDIR}/boot)
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@if [ ! -f ${DESTDIR}/boot/device.hints ] ; then \
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echo "You must set up a ${DESTDIR}/boot/device.hints file first." ; \
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exit 1 ; \
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fi
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@if [ x"`grep device.hints ${DESTDIR}/boot/defaults/loader.conf ${DESTDIR}/boot/loader.conf`" = "x" ]; then \
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echo "You must activate /boot/device.hints in loader.conf." ; \
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exit 1 ; \
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fi
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.endif
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@if [ ! -f ${FULLKERNEL} ] ; then \
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echo "You must build a kernel first." ; \
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exit 1 ; \
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fi
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.if exists(${DESTDIR}${KODIR})
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-thiskernel=`sysctl -n kern.bootfile` ; \
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if [ "`dirname "$$thiskernel"`" != ${DESTDIR}${KODIR} ] ; then \
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chflags -R noschg ${DESTDIR}${KODIR} ; \
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rm -rf ${DESTDIR}${KODIR} ; \
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else \
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if [ -d ${DESTDIR}${KODIR}.old ] ; then \
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chflags -R noschg ${DESTDIR}${KODIR}.old ; \
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rm -rf ${DESTDIR}${KODIR}.old ; \
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fi ; \
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mv ${DESTDIR}${KODIR} ${DESTDIR}${KODIR}.old ; \
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sysctl kern.bootfile=${DESTDIR}${KODIR}.old/"`basename "$$thiskernel"`" ; \
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fi
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.endif
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mkdir -p ${DESTDIR}${KODIR}
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.if defined(DEBUG) && defined(INSTALL_DEBUG)
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${INSTALL} -p -m 555 -o root -g wheel ${FULLKERNEL} ${DESTDIR}${KODIR}
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.else
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${INSTALL} -p -m 555 -o root -g wheel ${KERNEL_KO} ${DESTDIR}${KODIR}
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.endif
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kernel-reinstall:
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@-chflags -R noschg ${DESTDIR}${KODIR}
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.if defined(DEBUG) && defined(INSTALL_DEBUG)
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${INSTALL} -p -m 555 -o root -g wheel ${FULLKERNEL} ${DESTDIR}${KODIR}
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.else
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${INSTALL} -p -m 555 -o root -g wheel ${KERNEL_KO} ${DESTDIR}${KODIR}
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.endif
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config.o env.o hints.o majors.o vers.o vnode_if.o:
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${NORMAL_C}
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config.ln env.ln hints.ln majors.ln vers.ln vnode_if.ln:
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${NORMAL_LINT}
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majors.c: $S/conf/majors $S/conf/majors.awk
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${AWK} -f $S/conf/majors.awk $S/conf/majors > ${.TARGET}
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vers.c: $S/conf/newvers.sh $S/sys/param.h ${SYSTEM_DEP}
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sh $S/conf/newvers.sh ${KERN_IDENT}
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vnode_if.c: $S/tools/vnode_if.awk $S/kern/vnode_if.src
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${AWK} -f $S/tools/vnode_if.awk $S/kern/vnode_if.src -c
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vnode_if.h: $S/tools/vnode_if.awk $S/kern/vnode_if.src
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${AWK} -f $S/tools/vnode_if.awk $S/kern/vnode_if.src -h
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# XXX strictly, everything depends on Makefile because changes to ${PROF}
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# only appear there, but we don't handle that.
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.include "kern.mk"
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