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$/cleandir/}
39 # Handle out of tree ports
40 .if !defined(NO_MODULES) && defined(PORTS_MODULES)
41 PORTSMODULESENV=SYSDIR=${SYSDIR}
42 .for __target in all install reinstall clean
43 ${__target}: ports-${__target}
45 .for __i in ${PORTS_MODULES}
46 cd $${PORTSDIR:-/usr/ports}/${__i}; ${PORTSMODULESENV} ${MAKE} -B ${__target:C/install/deinstall reinstall/:C/reinstall/deinstall reinstall/}
51 .ORDER: kernel-install modules-install
53 kernel-all: ${KERNEL_KO} ${KERNEL_EXTRA}
55 kernel-cleandir: kernel-clean kernel-cleandepend
58 find . -maxdepth 1 ! -type d ! -name version -delete
62 .if !defined(MODULES_WITH_WORLD) && !defined(NO_MODULES) && exists($S/modules)
65 .if !defined(NO_MODULES_OBJ)
66 modules-all modules-depend: modules-obj
71 FULLKERNEL= ${KERNEL_KO}
73 FULLKERNEL= ${KERNEL_KO}.debug
74 ${KERNEL_KO}: ${FULLKERNEL} ${KERNEL_KO}.symbols
75 ${OBJCOPY} --strip-debug --add-gnu-debuglink=${KERNEL_KO}.symbols\
76 ${FULLKERNEL} ${.TARGET}
77 ${KERNEL_KO}.symbols: ${FULLKERNEL}
78 ${OBJCOPY} --only-keep-debug ${FULLKERNEL} ${.TARGET}
79 install.debug reinstall.debug: gdbinit
80 cd ${.CURDIR}; ${MAKE} ${.TARGET:R}
82 # Install gdbinit files for kernel debugging.
84 grep -v '# XXX' ${S}/../tools/debugscripts/dot.gdbinit | \
85 sed "s:MODPATH:${.OBJDIR}/modules:" > .gdbinit
86 cp ${S}/../tools/debugscripts/gdbinit.kernel ${.CURDIR}
87 .if exists(${S}/../tools/debugscripts/gdbinit.${MACHINE_CPUARCH})
88 cp ${S}/../tools/debugscripts/gdbinit.${MACHINE_CPUARCH} \
89 ${.CURDIR}/gdbinit.machine
93 ${FULLKERNEL}: ${SYSTEM_DEP} vers.o
95 @echo linking ${.TARGET}
99 ${OBJCOPY} --strip-debug ${.TARGET}
102 .if defined(MFS_IMAGE)
103 @sh ${S}/tools/embed_mfs.sh ${FULLKERNEL} ${MFS_IMAGE}
106 .if !exists(${.OBJDIR}/.depend)
107 ${SYSTEM_OBJS}: assym.s vnode_if.h ${BEFORE_DEPEND:M*.h} ${MFILES:T:S/.m$/.h/}
110 LNFILES= ${CFILES:T:S/.c$/.ln/}
112 .for mfile in ${MFILES}
113 # XXX the low quality .m.o rules gnerated by config are normally used
114 # instead of the .m.c rules here.
115 ${mfile:T:S/.m$/.c/}: ${mfile}
116 ${AWK} -f $S/tools/makeobjops.awk ${mfile} -c
117 ${mfile:T:S/.m$/.h/}: ${mfile}
118 ${AWK} -f $S/tools/makeobjops.awk ${mfile} -h
122 rm -f *.o *.so *.So *.ko *.s eddep errs \
123 ${FULLKERNEL} ${KERNEL_KO} ${KERNEL_KO}.symbols \
124 linterrs makelinks tags vers.c \
125 vnode_if.c vnode_if.h vnode_if_newproto.h vnode_if_typedef.h \
126 ${MFILES:T:S/.m$/.c/} ${MFILES:T:S/.m$/.h/} \
130 ${LINT} ${LINTKERNFLAGS} ${CFLAGS:M-[DILU]*} ${.ALLSRC} 2>&1 | \
133 # This is a hack. BFD "optimizes" away dynamic mode if there are no
134 # dynamic references. We could probably do a '-Bforcedynamic' mode like
135 # in the a.out ld. For now, this works.
136 HACK_EXTRA_FLAGS?= -shared
139 ${CC} ${HACK_EXTRA_FLAGS} -nostdlib hack.c -o hack.So
142 # This rule stops ./assym.s in .depend from causing problems.
145 assym.s: $S/kern/genassym.sh genassym.o
146 NM='${NM}' sh $S/kern/genassym.sh genassym.o > ${.TARGET}
148 genassym.o: $S/$M/$M/genassym.c
149 ${CC} -c ${CFLAGS:N-fno-common} $S/$M/$M/genassym.c
151 ${SYSTEM_OBJS} genassym.o vers.o: opt_global.h
153 kernel-depend: .depend
154 # The argument list can be very long, so use make -V and xargs to
156 SRCS= assym.s vnode_if.h ${BEFORE_DEPEND} ${CFILES} \
157 ${SYSTEM_CFILES} ${GEN_CFILES} ${SFILES} \
158 ${MFILES:T:S/.m$/.h/}
159 .depend: .PRECIOUS ${SRCS}
161 ${MAKE} -V CFILES -V SYSTEM_CFILES -V GEN_CFILES | \
162 MKDEP_CPP="${CC} -E" CC="${CC}" xargs mkdep -a -f .newdep ${CFLAGS}
163 ${MAKE} -V SFILES | \
164 MKDEP_CPP="${CC} -E" xargs mkdep -a -f .newdep ${ASM_CFLAGS}
169 .if ${MACHINE} != ${MACHINE_CPUARCH}
170 _ILINKS+= ${MACHINE_CPUARCH}
172 .if ${MACHINE_CPUARCH} == "i386" || ${MACHINE_CPUARCH} == "amd64"
176 # Ensure that the link exists without depending on it when it exists.
177 .for _link in ${_ILINKS}
178 .if !exists(${.OBJDIR}/${_link})
184 @case ${.TARGET} in \
186 path=${S}/${MACHINE}/include ;; \
188 path=${S}/${.TARGET}/include ;; \
190 ${ECHO} ${.TARGET} "->" $$path ; \
191 ln -s $$path ${.TARGET}
193 # .depend needs include links so we remove them only together.
195 rm -f .depend ${_ILINKS}
198 egrep '#if' ${CFILES} | sed -f $S/conf/defines | \
199 sed -e 's/:.*//' -e 's/\.c/.o/' | sort -u > dontlink
200 ${MAKE} -V CFILES | tr -s ' ' '\12' | sed 's/\.c/.o/' | \
201 sort -u | comm -23 - dontlink | \
202 sed 's,../.*/\(.*.o\),rm -f \1;ln -s ../GENERIC/\1 \1,' > makelinks
203 sh makelinks; rm -f dontlink
206 @[ -f .depend ] || { echo "you must make depend first"; exit 1; }
207 sh $S/conf/systags.sh
210 @if [ ! -f ${KERNEL_KO} ] ; then \
211 echo "You must build a kernel first." ; \
214 .if exists(${DESTDIR}${KODIR})
215 -thiskernel=`sysctl -n kern.bootfile` ; \
216 if [ ! "`dirname "$$thiskernel"`" -ef ${DESTDIR}${KODIR} ] ; then \
217 chflags -R noschg ${DESTDIR}${KODIR} ; \
218 rm -rf ${DESTDIR}${KODIR} ; \
220 if [ -d ${DESTDIR}${KODIR}.old ] ; then \
221 chflags -R noschg ${DESTDIR}${KODIR}.old ; \
222 rm -rf ${DESTDIR}${KODIR}.old ; \
224 mv ${DESTDIR}${KODIR} ${DESTDIR}${KODIR}.old ; \
225 sysctl kern.bootfile=${DESTDIR}${KODIR}.old/"`basename "$$thiskernel"`" ; \
228 mkdir -p ${DESTDIR}${KODIR}
229 ${INSTALL} -p -m 555 -o ${KMODOWN} -g ${KMODGRP} ${KERNEL_KO} ${DESTDIR}${KODIR}
230 .if defined(DEBUG) && !defined(INSTALL_NODEBUG) && \
231 (defined(MK_KERNEL_SYMBOLS) && ${MK_KERNEL_SYMBOLS} != "no")
232 ${INSTALL} -p -m 555 -o ${KMODOWN} -g ${KMODGRP} ${KERNEL_KO}.symbols ${DESTDIR}${KODIR}
234 .if defined(KERNEL_EXTRA_INSTALL)
235 ${INSTALL} -p -m 555 -o ${KMODOWN} -g ${KMODGRP} ${KERNEL_EXTRA_INSTALL} ${DESTDIR}${KODIR}
241 @-chflags -R noschg ${DESTDIR}${KODIR}
242 ${INSTALL} -p -m 555 -o ${KMODOWN} -g ${KMODGRP} ${KERNEL_KO} ${DESTDIR}${KODIR}
243 .if defined(DEBUG) && !defined(INSTALL_NODEBUG) && \
244 (defined(MK_KERNEL_SYMBOLS) && ${MK_KERNEL_SYMBOLS} != "no")
245 ${INSTALL} -p -m 555 -o ${KMODOWN} -g ${KMODGRP} ${KERNEL_KO}.symbols ${DESTDIR}${KODIR}
248 config.o env.o hints.o vers.o vnode_if.o:
250 @[ -z "${CTFCONVERT}" -o -n "${NO_CTF}" ] || ${CTFCONVERT} ${CTFFLAGS} ${.TARGET}
252 config.ln env.ln hints.ln vers.ln vnode_if.ln:
255 vers.c: $S/conf/newvers.sh $S/sys/param.h ${SYSTEM_DEP}
256 MAKE=${MAKE} sh $S/conf/newvers.sh ${KERN_IDENT}
258 vnode_if.c: $S/tools/vnode_if.awk $S/kern/vnode_if.src
259 ${AWK} -f $S/tools/vnode_if.awk $S/kern/vnode_if.src -c
261 vnode_if.h vnode_if_newproto.h vnode_if_typedef.h: $S/tools/vnode_if.awk \
263 vnode_if.h: vnode_if_newproto.h vnode_if_typedef.h
264 ${AWK} -f $S/tools/vnode_if.awk $S/kern/vnode_if.src -h
266 ${AWK} -f $S/tools/vnode_if.awk $S/kern/vnode_if.src -p
268 ${AWK} -f $S/tools/vnode_if.awk $S/kern/vnode_if.src -q
270 # XXX strictly, everything depends on Makefile because changes to ${PROF}
271 # only appear there, but we don't handle that.