12a14de08e
Make the process of embedding MDROOT images less perilous by makeing the target that links kernel and embedding the image depend on the image. This means, if the image doesn't exist you find out before you try to boot from it and that if you change the image you don't have to touch some random source file to cause a rebuild. Don't hide that we're embedding the image.
315 lines
9.9 KiB
Makefile
315 lines
9.9 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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SYSDIR?= ${S:C;^[^/];${.CURDIR}/&;}
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MKMODULESENV+= KERNBUILDDIR="${.CURDIR}" SYSDIR="${SYSDIR}"
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.if defined(CONF_CFLAGS)
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MKMODULESENV+= CONF_CFLAGS="${CONF_CFLAGS}"
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.endif
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.if defined(WITH_CTF)
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MKMODULESENV+= WITH_CTF="${WITH_CTF}"
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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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# Handle ports (as defined by the user) that build kernel modules
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.if !defined(NO_MODULES) && defined(PORTS_MODULES)
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#
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# The ports tree needs some environment variables defined to match the new kernel
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#
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# Ports search for some dependencies in PATH, so add the location of the installed files
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LOCALBASE?= /usr/local
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# SRC_BASE is how the ports tree refers to the location of the base source files
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.if !defined(SRC_BASE)
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SRC_BASE!= realpath "${SYSDIR:H}/"
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.endif
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# OSVERSION is used by some ports to determine build options
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.if !defined(OSRELDATE)
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# Definition copied from src/Makefile.inc1
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OSRELDATE!= awk '/^\#define[[:space:]]*__FreeBSD_version/ { print $$3 }' \
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${MAKEOBJDIRPREFIX}${SRC_BASE}/include/osreldate.h
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.endif
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# Keep the related ports builds in the obj directory so that they are only rebuilt once per kernel build
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WRKDIRPREFIX?= ${MAKEOBJDIRPREFIX}${SRC_BASE}/sys/${KERNCONF}
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PORTSMODULESENV=\
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PATH=${PATH}:${LOCALBASE}/bin:${LOCALBASE}/sbin \
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SRC_BASE=${SRC_BASE} \
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OSVERSION=${OSRELDATE} \
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WRKDIRPREFIX=${WRKDIRPREFIX}
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# The WRKDIR needs to be cleaned before building, and trying to change the target
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# with a :C pattern below results in install -> instclean
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all:
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.for __i in ${PORTS_MODULES}
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@${ECHO} "===> Ports module ${__i} (all)"
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cd $${PORTSDIR:-/usr/ports}/${__i}; ${PORTSMODULESENV} ${MAKE} -B clean all
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.endfor
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.for __target in install reinstall clean
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${__target}: ports-${__target}
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ports-${__target}:
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.for __i in ${PORTS_MODULES}
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@${ECHO} "===> Ports module ${__i} (${__target})"
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cd $${PORTSDIR:-/usr/ports}/${__i}; ${PORTSMODULESENV} ${MAKE} -B ${__target:C/install/deinstall reinstall/:C/reinstall/deinstall reinstall/}
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.endfor
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.endfor
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.endif
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.ORDER: kernel-install modules-install
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kernel-all: ${KERNEL_KO} ${KERNEL_EXTRA}
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kernel-cleandir: kernel-clean kernel-cleandepend
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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} ${KERNEL_KO}.symbols
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${OBJCOPY} --strip-debug --add-gnu-debuglink=${KERNEL_KO}.symbols\
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${FULLKERNEL} ${.TARGET}
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${KERNEL_KO}.symbols: ${FULLKERNEL}
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${OBJCOPY} --only-keep-debug ${FULLKERNEL} ${.TARGET}
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install.debug reinstall.debug: gdbinit
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cd ${.CURDIR}; ${MAKE} ${.TARGET:R}
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# Install gdbinit files for kernel debugging.
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gdbinit:
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grep -v '# XXX' ${S}/../tools/debugscripts/dot.gdbinit | \
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sed "s:MODPATH:${.OBJDIR}/modules:" > .gdbinit
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cp ${S}/../tools/debugscripts/gdbinit.kernel ${.CURDIR}
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.if exists(${S}/../tools/debugscripts/gdbinit.${MACHINE_CPUARCH})
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cp ${S}/../tools/debugscripts/gdbinit.${MACHINE_CPUARCH} \
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${.CURDIR}/gdbinit.machine
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.endif
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.endif
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${FULLKERNEL}: ${SYSTEM_DEP} vers.o ${MFS_IMAGE}
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@rm -f ${.TARGET}
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@echo linking ${.TARGET}
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${SYSTEM_LD}
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.if ${MK_CTF} != "no"
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${CTFMERGE} ${CTFFLAGS} -o ${.TARGET} ${SYSTEM_OBJS} vers.o
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.endif
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.if !defined(DEBUG)
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${OBJCOPY} --strip-debug ${.TARGET}
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.endif
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${SYSTEM_LD_TAIL}
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.if defined(MFS_IMAGE)
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sh ${S}/tools/embed_mfs.sh ${FULLKERNEL} ${MFS_IMAGE}
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.endif
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.if !exists(${.OBJDIR}/.depend)
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${SYSTEM_OBJS}: assym.s vnode_if.h ${BEFORE_DEPEND:M*.h} ${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} ${KERNEL_KO}.symbols \
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linterrs makelinks tags vers.c \
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vnode_if.c vnode_if.h vnode_if_newproto.h vnode_if_typedef.h \
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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} 2>&1 | \
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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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:> hack.c
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${CC} ${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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genassym.o: $S/$M/$M/genassym.c
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${CC} -c ${CFLAGS:N-fno-common} $S/$M/$M/genassym.c
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${SYSTEM_OBJS} genassym.o vers.o: opt_global.h
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# We have "special" -I include paths for opensolaris/zfs files in 'depend'.
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CFILES_NOZFS= ${CFILES:N*/opensolaris/*}
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SFILES_NOZFS= ${SFILES:N*/opensolaris/*}
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CFILES_ZFS= ${CFILES:M*/opensolaris/*}
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SFILES_ZFS= ${SFILES:M*/opensolaris/*}
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kernel-depend: .depend
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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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SRCS= assym.s vnode_if.h ${BEFORE_DEPEND} ${CFILES} \
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${SYSTEM_CFILES} ${GEN_CFILES} ${SFILES} \
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${MFILES:T:S/.m$/.h/}
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.depend: .PRECIOUS ${SRCS}
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rm -f .newdep
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${MAKE} -V CFILES_NOZFS -V SYSTEM_CFILES -V GEN_CFILES | \
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MKDEP_CPP="${CC} -E" CC="${CC}" xargs mkdep -a -f .newdep ${CFLAGS}
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${MAKE} -V CFILES_ZFS | \
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MKDEP_CPP="${CC} -E" CC="${CC}" xargs mkdep -a -f .newdep ${ZFS_CFLAGS}
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${MAKE} -V SFILES_NOZFS | \
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MKDEP_CPP="${CC} -E" xargs mkdep -a -f .newdep ${ASM_CFLAGS}
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${MAKE} -V SFILES_ZFS | \
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MKDEP_CPP="${CC} -E" xargs mkdep -a -f .newdep ${ZFS_ASM_CFLAGS}
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rm -f .depend
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mv .newdep .depend
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_ILINKS= machine
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.if ${MACHINE} != ${MACHINE_CPUARCH}
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_ILINKS+= ${MACHINE_CPUARCH}
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.endif
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.if ${MACHINE_CPUARCH} == "i386" || ${MACHINE_CPUARCH} == "amd64"
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_ILINKS+= x86
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.endif
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# Ensure that the link exists without depending on it when it exists.
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.for _link in ${_ILINKS}
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.if !exists(${.OBJDIR}/${_link})
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${SRCS}: ${_link}
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.endif
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.endfor
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${_ILINKS}:
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@case ${.TARGET} in \
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machine) \
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path=${S}/${MACHINE}/include ;; \
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*) \
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path=${S}/${.TARGET}/include ;; \
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esac ; \
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${ECHO} ${.TARGET} "->" $$path ; \
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ln -s $$path ${.TARGET}
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# .depend needs include links so we remove them only together.
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kernel-cleandepend:
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rm -f .depend ${_ILINKS}
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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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kernel-install:
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@if [ ! -f ${KERNEL_KO} ] ; then \
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echo "You must build a kernel first." ; \
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exit 1 ; \
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fi
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.if exists(${DESTDIR}${KODIR})
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-thiskernel=`sysctl -n kern.bootfile` ; \
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if [ ! "`dirname "$$thiskernel"`" -ef ${DESTDIR}${KODIR} ] ; then \
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chflags -R noschg ${DESTDIR}${KODIR} ; \
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rm -rf ${DESTDIR}${KODIR} ; \
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else \
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if [ -d ${DESTDIR}${KODIR}.old ] ; then \
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chflags -R noschg ${DESTDIR}${KODIR}.old ; \
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rm -rf ${DESTDIR}${KODIR}.old ; \
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fi ; \
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mv ${DESTDIR}${KODIR} ${DESTDIR}${KODIR}.old ; \
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sysctl kern.bootfile=${DESTDIR}${KODIR}.old/"`basename "$$thiskernel"`" ; \
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fi
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.endif
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mkdir -p ${DESTDIR}${KODIR}
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${INSTALL} -p -m 555 -o ${KMODOWN} -g ${KMODGRP} ${KERNEL_KO} ${DESTDIR}${KODIR}
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.if defined(DEBUG) && !defined(INSTALL_NODEBUG) && ${MK_KERNEL_SYMBOLS} != "no"
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${INSTALL} -p -m 555 -o ${KMODOWN} -g ${KMODGRP} ${KERNEL_KO}.symbols ${DESTDIR}${KODIR}
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.endif
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.if defined(KERNEL_EXTRA_INSTALL)
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${INSTALL} -p -m 555 -o ${KMODOWN} -g ${KMODGRP} ${KERNEL_EXTRA_INSTALL} ${DESTDIR}${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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${INSTALL} -p -m 555 -o ${KMODOWN} -g ${KMODGRP} ${KERNEL_KO} ${DESTDIR}${KODIR}
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.if defined(DEBUG) && !defined(INSTALL_NODEBUG) && ${MK_KERNEL_SYMBOLS} != "no"
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${INSTALL} -p -m 555 -o ${KMODOWN} -g ${KMODGRP} ${KERNEL_KO}.symbols ${DESTDIR}${KODIR}
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.endif
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config.o env.o hints.o vers.o vnode_if.o:
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${NORMAL_C}
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${NORMAL_CTFCONVERT}
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config.ln env.ln hints.ln vers.ln vnode_if.ln:
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${NORMAL_LINT}
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vers.c: $S/conf/newvers.sh $S/sys/param.h ${SYSTEM_DEP}
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MAKE=${MAKE} 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 vnode_if_newproto.h vnode_if_typedef.h: $S/tools/vnode_if.awk \
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$S/kern/vnode_if.src
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vnode_if.h: vnode_if_newproto.h vnode_if_typedef.h
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${AWK} -f $S/tools/vnode_if.awk $S/kern/vnode_if.src -h
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vnode_if_newproto.h:
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${AWK} -f $S/tools/vnode_if.awk $S/kern/vnode_if.src -p
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vnode_if_typedef.h:
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${AWK} -f $S/tools/vnode_if.awk $S/kern/vnode_if.src -q
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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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