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.
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.
11 # In case the config had a makeoptions DESTDIR...
13 MKMODULESENV+= DESTDIR="${DESTDIR}"
15 SYSDIR?= ${S:C;^[^/];${.CURDIR}/&;}
16 MKMODULESENV+= KERNBUILDDIR="${.CURDIR}" SYSDIR="${SYSDIR}"
18 .if defined(CONF_CFLAGS)
19 MKMODULESENV+= CONF_CFLAGS="${CONF_CFLAGS}"
23 MKMODULESENV+= WITH_CTF="${WITH_CTF}"
28 .for target in all clean cleandepend cleandir clobber depend install \
30 ${target}: kernel-${target}
31 .if !defined(MODULES_WITH_WORLD) && !defined(NO_MODULES) && exists($S/modules)
32 ${target}: modules-${target}
34 cd $S/modules; ${MKMODULESENV} ${MAKE} \
35 ${target:S/^reinstall$/install/:S/^clobber$/cleandir/}
39 # Handle ports (as defined by the user) that build kernel modules
40 .if !defined(NO_MODULES) && defined(PORTS_MODULES)
42 # The ports tree needs some environment variables defined to match the new kernel
44 # Ports search for some dependencies in PATH, so add the location of the installed files
45 LOCALBASE?= /usr/local
46 # SRC_BASE is how the ports tree refers to the location of the base source files
47 .if !defined(SRC_BASE)
48 SRC_BASE!= realpath "${SYSDIR:H}/"
50 # OSVERSION is used by some ports to determine build options
51 .if !defined(OSRELDATE)
52 # Definition copied from src/Makefile.inc1
53 OSRELDATE!= awk '/^\#define[[:space:]]*__FreeBSD_version/ { print $$3 }' \
54 ${MAKEOBJDIRPREFIX}${SRC_BASE}/include/osreldate.h
56 # Keep the related ports builds in the obj directory so that they are only rebuilt once per kernel build
57 WRKDIRPREFIX?= ${MAKEOBJDIRPREFIX}${SRC_BASE}/sys/${KERNCONF}
59 PATH=${PATH}:${LOCALBASE}/bin:${LOCALBASE}/sbin \
60 SRC_BASE=${SRC_BASE} \
61 OSVERSION=${OSRELDATE} \
62 WRKDIRPREFIX=${WRKDIRPREFIX}
64 # The WRKDIR needs to be cleaned before building, and trying to change the target
65 # with a :C pattern below results in install -> instclean
67 .for __i in ${PORTS_MODULES}
68 @${ECHO} "===> Ports module ${__i} (all)"
69 cd $${PORTSDIR:-/usr/ports}/${__i}; ${PORTSMODULESENV} ${MAKE} -B clean build
72 .for __target in install reinstall clean
73 ${__target}: ports-${__target}
75 .for __i in ${PORTS_MODULES}
76 @${ECHO} "===> Ports module ${__i} (${__target})"
77 cd $${PORTSDIR:-/usr/ports}/${__i}; ${PORTSMODULESENV} ${MAKE} -B ${__target:C/install/deinstall reinstall/:C/reinstall/deinstall reinstall/}
82 .ORDER: kernel-install modules-install
84 kernel-all: ${KERNEL_KO} ${KERNEL_EXTRA}
86 kernel-cleandir: kernel-clean kernel-cleandepend
89 find . -maxdepth 1 ! -type d ! -name version -delete
93 .if !defined(MODULES_WITH_WORLD) && !defined(NO_MODULES) && exists($S/modules)
96 .if !defined(NO_MODULES_OBJ)
97 modules-all modules-depend: modules-obj
102 FULLKERNEL= ${KERNEL_KO}
104 FULLKERNEL= ${KERNEL_KO}.debug
105 ${KERNEL_KO}: ${FULLKERNEL} ${KERNEL_KO}.symbols
106 ${OBJCOPY} --strip-debug --add-gnu-debuglink=${KERNEL_KO}.symbols\
107 ${FULLKERNEL} ${.TARGET}
108 ${KERNEL_KO}.symbols: ${FULLKERNEL}
109 ${OBJCOPY} --only-keep-debug ${FULLKERNEL} ${.TARGET}
110 install.debug reinstall.debug: gdbinit
111 cd ${.CURDIR}; ${MAKE} ${.TARGET:R}
113 # Install gdbinit files for kernel debugging.
115 grep -v '# XXX' ${S}/../tools/debugscripts/dot.gdbinit | \
116 sed "s:MODPATH:${.OBJDIR}/modules:" > .gdbinit
117 cp ${S}/../tools/debugscripts/gdbinit.kernel ${.CURDIR}
118 .if exists(${S}/../tools/debugscripts/gdbinit.${MACHINE_CPUARCH})
119 cp ${S}/../tools/debugscripts/gdbinit.${MACHINE_CPUARCH} \
120 ${.CURDIR}/gdbinit.machine
124 ${FULLKERNEL}: ${SYSTEM_DEP} vers.o ${MFS_IMAGE}
126 @echo linking ${.TARGET}
128 .if ${MK_CTF} != "no"
129 ${CTFMERGE} ${CTFFLAGS} -o ${.TARGET} ${SYSTEM_OBJS} vers.o
132 ${OBJCOPY} --strip-debug ${.TARGET}
135 .if defined(MFS_IMAGE)
136 sh ${S}/tools/embed_mfs.sh ${FULLKERNEL} ${MFS_IMAGE}
139 .if !exists(${.OBJDIR}/.depend)
140 ${SYSTEM_OBJS}: assym.s vnode_if.h ${BEFORE_DEPEND:M*.h} ${MFILES:T:S/.m$/.h/}
143 LNFILES= ${CFILES:T:S/.c$/.ln/}
145 .for mfile in ${MFILES}
146 # XXX the low quality .m.o rules gnerated by config are normally used
147 # instead of the .m.c rules here.
148 ${mfile:T:S/.m$/.c/}: ${mfile}
149 ${AWK} -f $S/tools/makeobjops.awk ${mfile} -c
150 ${mfile:T:S/.m$/.h/}: ${mfile}
151 ${AWK} -f $S/tools/makeobjops.awk ${mfile} -h
155 rm -f *.o *.so *.So *.ko *.s eddep errs \
156 ${FULLKERNEL} ${KERNEL_KO} ${KERNEL_KO}.symbols \
157 linterrs tags vers.c \
158 vnode_if.c vnode_if.h vnode_if_newproto.h vnode_if_typedef.h \
159 ${MFILES:T:S/.m$/.c/} ${MFILES:T:S/.m$/.h/} \
163 ${LINT} ${LINTKERNFLAGS} ${CFLAGS:M-[DILU]*} ${.ALLSRC} 2>&1 | \
166 # This is a hack. BFD "optimizes" away dynamic mode if there are no
167 # dynamic references. We could probably do a '-Bforcedynamic' mode like
168 # in the a.out ld. For now, this works.
169 HACK_EXTRA_FLAGS?= -shared
172 ${CC} ${HACK_EXTRA_FLAGS} -nostdlib hack.c -o hack.So
175 # This rule stops ./assym.s in .depend from causing problems.
178 assym.s: $S/kern/genassym.sh genassym.o
179 NM='${NM}' sh $S/kern/genassym.sh genassym.o > ${.TARGET}
181 genassym.o: $S/$M/$M/genassym.c
182 ${CC} -c ${CFLAGS:N-fno-common} $S/$M/$M/genassym.c
184 ${SYSTEM_OBJS} genassym.o vers.o: opt_global.h
187 CFILES_NORMAL= ${CFILES:N*/opensolaris/*:N*/ofed/*:N*/dev/mlx5/*}
188 SFILES_NORMAL= ${SFILES:N*/opensolaris/*}
190 # We have "special" -I include paths for zfs/dtrace files in 'depend'.
191 CFILES_ZFS= ${CFILES:M*/opensolaris/*}
192 SFILES_ZFS= ${SFILES:M*/opensolaris/*}
194 # We have "special" -I include paths for OFED.
195 CFILES_OFED=${CFILES:M*/ofed/*}
197 # We have "special" -I include paths for MLX5.
198 CFILES_MLX5=${CFILES:M*/dev/mlx5/*}
200 kernel-depend: .depend
201 # The argument list can be very long, so use make -V and xargs to
203 SRCS= assym.s vnode_if.h ${BEFORE_DEPEND} ${CFILES} \
204 ${SYSTEM_CFILES} ${GEN_CFILES} ${SFILES} \
205 ${MFILES:T:S/.m$/.h/}
206 .depend: .PRECIOUS ${SRCS}
209 ${MAKE} -V CFILES_NORMAL -V SYSTEM_CFILES -V GEN_CFILES | \
210 MKDEP_CPP="${CC} -E" CC="${CC}" xargs mkdep -a -f ${.TARGET}.tmp ${CFLAGS}
211 ${MAKE} -V CFILES_ZFS | \
212 MKDEP_CPP="${CC} -E" CC="${CC}" xargs mkdep -a -f ${.TARGET}.tmp ${ZFS_CFLAGS}
213 ${MAKE} -V CFILES_OFED -V CFILES_MLX5 | \
214 MKDEP_CPP="${CC} -E" CC="${CC}" xargs mkdep -a -f ${.TARGET}.tmp \
215 ${CFLAGS} ${OFEDINCLUDES}
217 ${MAKE} -V SFILES_NORMAL | \
218 MKDEP_CPP="${CC} -E" CC="${CC}" xargs mkdep -a -f ${.TARGET}.tmp ${ASM_CFLAGS}
219 ${MAKE} -V SFILES_ZFS | \
220 MKDEP_CPP="${CC} -E" CC="${CC}" xargs mkdep -a -f ${.TARGET}.tmp ${ZFS_ASM_CFLAGS}
221 mv ${.TARGET}.tmp ${.TARGET}
224 .if ${MACHINE} != ${MACHINE_CPUARCH}
225 _ILINKS+= ${MACHINE_CPUARCH}
227 .if ${MACHINE_CPUARCH} == "i386" || ${MACHINE_CPUARCH} == "amd64"
231 # Ensure that the link exists without depending on it when it exists.
232 .for _link in ${_ILINKS}
233 .if !exists(${.OBJDIR}/${_link})
234 ${SRCS} ${CLEAN:M*.o}: ${_link}
239 @case ${.TARGET} in \
241 path=${S}/${MACHINE}/include ;; \
243 path=${S}/${.TARGET}/include ;; \
245 ${ECHO} ${.TARGET} "->" $$path ; \
246 ln -s $$path ${.TARGET}
248 # .depend needs include links so we remove them only together.
250 rm -f .depend ${_ILINKS}
253 @[ -f .depend ] || { echo "you must make depend first"; exit 1; }
254 sh $S/conf/systags.sh
257 @if [ ! -f ${KERNEL_KO} ] ; then \
258 echo "You must build a kernel first." ; \
261 .if exists(${DESTDIR}${KODIR})
262 -thiskernel=`sysctl -n kern.bootfile` ; \
263 if [ ! "`dirname "$$thiskernel"`" -ef ${DESTDIR}${KODIR} ] ; then \
264 chflags -R noschg ${DESTDIR}${KODIR} ; \
265 rm -rf ${DESTDIR}${KODIR} ; \
267 if [ -d ${DESTDIR}${KODIR}.old ] ; then \
268 chflags -R noschg ${DESTDIR}${KODIR}.old ; \
269 rm -rf ${DESTDIR}${KODIR}.old ; \
271 mv ${DESTDIR}${KODIR} ${DESTDIR}${KODIR}.old ; \
272 sysctl kern.bootfile=${DESTDIR}${KODIR}.old/"`basename "$$thiskernel"`" ; \
275 mkdir -p ${DESTDIR}${KODIR}
276 ${INSTALL} -p -m 555 -o ${KMODOWN} -g ${KMODGRP} ${KERNEL_KO} ${DESTDIR}${KODIR}
277 .if defined(DEBUG) && !defined(INSTALL_NODEBUG) && ${MK_KERNEL_SYMBOLS} != "no"
278 ${INSTALL} -p -m 555 -o ${KMODOWN} -g ${KMODGRP} ${KERNEL_KO}.symbols ${DESTDIR}${KODIR}
280 .if defined(KERNEL_EXTRA_INSTALL)
281 ${INSTALL} -p -m 555 -o ${KMODOWN} -g ${KMODGRP} ${KERNEL_EXTRA_INSTALL} ${DESTDIR}${KODIR}
287 @-chflags -R noschg ${DESTDIR}${KODIR}
288 ${INSTALL} -p -m 555 -o ${KMODOWN} -g ${KMODGRP} ${KERNEL_KO} ${DESTDIR}${KODIR}
289 .if defined(DEBUG) && !defined(INSTALL_NODEBUG) && ${MK_KERNEL_SYMBOLS} != "no"
290 ${INSTALL} -p -m 555 -o ${KMODOWN} -g ${KMODGRP} ${KERNEL_KO}.symbols ${DESTDIR}${KODIR}
293 config.o env.o hints.o vers.o vnode_if.o:
297 config.ln env.ln hints.ln vers.ln vnode_if.ln:
300 vers.c: $S/conf/newvers.sh $S/sys/param.h ${SYSTEM_DEP}
301 MAKE=${MAKE} sh $S/conf/newvers.sh ${KERN_IDENT}
303 vnode_if.c: $S/tools/vnode_if.awk $S/kern/vnode_if.src
304 ${AWK} -f $S/tools/vnode_if.awk $S/kern/vnode_if.src -c
306 vnode_if.h vnode_if_newproto.h vnode_if_typedef.h: $S/tools/vnode_if.awk \
308 vnode_if.h: vnode_if_newproto.h vnode_if_typedef.h
309 ${AWK} -f $S/tools/vnode_if.awk $S/kern/vnode_if.src -h
311 ${AWK} -f $S/tools/vnode_if.awk $S/kern/vnode_if.src -p
313 ${AWK} -f $S/tools/vnode_if.awk $S/kern/vnode_if.src -q
315 # XXX strictly, everything depends on Makefile because changes to ${PROF}
316 # only appear there, but we don't handle that.