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="${DESTDIR}"
15 MKMODULESENV+= KERNBUILDDIR="${.CURDIR}"
19 .for target in all clean cleandepend cleandir clobber depend install \
21 ${target}: kernel-${target}
22 .if !defined(MODULES_WITH_WORLD) && !defined(NO_MODULES) && exists($S/modules)
23 ${target}: modules-${target}
25 cd $S/modules; ${MKMODULESENV} ${MAKE} \
26 ${target:S/^reinstall$/install/:S/^clobber$/cleandir/}
30 .ORDER: kernel-install modules-install
32 kernel-all: ${KERNEL_KO}
34 kernel-cleandir: kernel-clean
37 find . -maxdepth 1 ! -type d ! -name version -delete
41 .if !defined(MODULES_WITH_WORLD) && !defined(NO_MODULES) && exists($S/modules)
44 .if !defined(NO_MODULES_OBJ)
45 modules-all modules-depend: modules-obj
50 FULLKERNEL= ${KERNEL_KO}
52 FULLKERNEL= ${KERNEL_KO}.debug
53 ${KERNEL_KO}: ${FULLKERNEL}
54 ${OBJCOPY} --strip-debug ${FULLKERNEL} ${KERNEL_KO}
55 install.debug reinstall.debug: gdbinit
56 cd ${.CURDIR}; ${MAKE} -DINSTALL_DEBUG ${.TARGET:R}
58 # Install gdbinit files for kernel debugging.
60 grep -v '# XXX' ${S}/../tools/debugscripts/dot.gdbinit | \
61 sed "s:MODPATH:${.OBJDIR}/modules:" > .gdbinit
62 cp ${S}/../tools/debugscripts/gdbinit.kernel \
63 ${S}/../tools/debugscripts/gdbinit.vinum ${.CURDIR}
64 .if exists(${S}/../tools/debugscripts/gdbinit.${MACHINE_ARCH})
65 cp ${S}/../tools/debugscripts/gdbinit.${MACHINE_ARCH} \
66 ${.CURDIR}/gdbinit.machine
70 ${FULLKERNEL}: ${SYSTEM_DEP} vers.o
72 @echo linking ${.TARGET}
76 .if !exists(${.OBJDIR}/.depend)
77 ${SYSTEM_OBJS}: assym.s miidevs.h vnode_if.h ${BEFORE_DEPEND:M*.h} \
81 LNFILES= ${CFILES:T:S/.c$/.ln/}
83 .for mfile in ${MFILES}
84 # XXX the low quality .m.o rules gnerated by config are normally used
85 # instead of the .m.c rules here.
86 ${mfile:T:S/.m$/.c/}: ${mfile}
87 ${AWK} -f $S/tools/makeobjops.awk ${mfile} -c
88 ${mfile:T:S/.m$/.h/}: ${mfile}
89 ${AWK} -f $S/tools/makeobjops.awk ${mfile} -h
93 rm -f *.o *.so *.So *.ko *.s eddep errs \
94 ${FULLKERNEL} ${KERNEL_KO} linterrs makelinks tags \
95 vers.c vnode_if.c vnode_if.h majors.c \
96 ${MFILES:T:S/.m$/.c/} ${MFILES:T:S/.m$/.h/} \
100 ${LINT} ${LINTKERNFLAGS} ${CFLAGS:M-[DILU]*} ${.ALLSRC} 2>&1 | \
103 # This is a hack. BFD "optimizes" away dynamic mode if there are no
104 # dynamic references. We could probably do a '-Bforcedynamic' mode like
105 # in the a.out ld. For now, this works.
106 HACK_EXTRA_FLAGS?= -shared
109 ${CC} ${HACK_EXTRA_FLAGS} -nostdlib hack.c -o hack.So
112 # This rule stops ./assym.s in .depend from causing problems.
115 assym.s: $S/kern/genassym.sh genassym.o
116 NM=${NM} sh $S/kern/genassym.sh genassym.o > ${.TARGET}
118 genassym.o: $S/$M/$M/genassym.c
119 ${CC} -c ${CFLAGS:N-fno-common} $S/$M/$M/genassym.c
121 ${SYSTEM_OBJS} genassym.o vers.o: opt_global.h
124 .if defined(EXTRA_KERNELDEP)
128 if [ -f .depend ]; then mv .depend .olddep; fi
129 ${MAKE} _kernel-depend
131 # XXX this belongs elsewhere (inside GEN_CFILES if possible).
132 GEN_M_CFILES= ${MFILES:T:S/.m$/.c/}
134 # The argument list can be very long, so use make -V and xargs to
136 _kernel-depend: assym.s miidevs.h vnode_if.h ${BEFORE_DEPEND} \
137 ${CFILES} ${SYSTEM_CFILES} ${GEN_CFILES} ${GEN_M_CFILES} \
138 ${SFILES} ${MFILES:T:S/.m$/.h/}
139 if [ -f .olddep ]; then mv .olddep .depend; fi
141 ${MAKE} -V CFILES -V SYSTEM_CFILES -V GEN_CFILES -V GEN_M_CFILES | \
142 MKDEP_CPP="${CC} -E" CC="${CC}" xargs mkdep -a -f .newdep ${CFLAGS}
143 ${MAKE} -V SFILES | \
144 MKDEP_CPP="${CC} -E" xargs mkdep -a -f .newdep ${ASM_CFLAGS}
152 egrep '#if' ${CFILES} | sed -f $S/conf/defines | \
153 sed -e 's/:.*//' -e 's/\.c/.o/' | sort -u > dontlink
154 ${MAKE} -V CFILES | tr -s ' ' '\12' | sed 's/\.c/.o/' | \
155 sort -u | comm -23 - dontlink | \
156 sed 's,../.*/\(.*.o\),rm -f \1;ln -s ../GENERIC/\1 \1,' > makelinks
157 sh makelinks; rm -f dontlink
160 @[ -f .depend ] || { echo "you must make depend first"; exit 1; }
161 sh $S/conf/systags.sh
163 sed -e 's, ../, ,' tags > tags1
166 .if exists(${DESTDIR}/boot)
167 @if [ ! -f ${DESTDIR}/boot/device.hints ] ; then \
168 echo "You must set up a ${DESTDIR}/boot/device.hints file first." ; \
171 @if [ x"`grep device.hints ${DESTDIR}/boot/defaults/loader.conf ${DESTDIR}/boot/loader.conf`" = "x" ]; then \
172 echo "You must activate /boot/device.hints in loader.conf." ; \
176 @if [ ! -f ${FULLKERNEL} ] ; then \
177 echo "You must build a kernel first." ; \
180 .if exists(${DESTDIR}${KODIR})
181 -thiskernel=`sysctl -n kern.bootfile` ; \
182 if [ "`dirname "$$thiskernel"`" != ${DESTDIR}${KODIR} ] ; then \
183 chflags -R noschg ${DESTDIR}${KODIR} ; \
184 rm -rf ${DESTDIR}${KODIR} ; \
186 if [ -d ${DESTDIR}${KODIR}.old ] ; then \
187 chflags -R noschg ${DESTDIR}${KODIR}.old ; \
188 rm -rf ${DESTDIR}${KODIR}.old ; \
190 mv ${DESTDIR}${KODIR} ${DESTDIR}${KODIR}.old ; \
191 sysctl kern.bootfile=${DESTDIR}${KODIR}.old/"`basename "$$thiskernel"`" ; \
194 mkdir -p ${DESTDIR}${KODIR}
195 .if defined(DEBUG) && defined(INSTALL_DEBUG)
196 ${INSTALL} -p -m 555 -o root -g wheel ${FULLKERNEL} ${DESTDIR}${KODIR}
198 ${INSTALL} -p -m 555 -o root -g wheel ${KERNEL_KO} ${DESTDIR}${KODIR}
202 @-chflags -R noschg ${DESTDIR}${KODIR}
203 .if defined(DEBUG) && defined(INSTALL_DEBUG)
204 ${INSTALL} -p -m 555 -o root -g wheel ${FULLKERNEL} ${DESTDIR}${KODIR}
206 ${INSTALL} -p -m 555 -o root -g wheel ${KERNEL_KO} ${DESTDIR}${KODIR}
209 config.o env.o hints.o majors.o vers.o vnode_if.o:
212 config.ln env.ln hints.ln majors.ln vers.ln vnode_if.ln:
215 majors.c: $S/conf/majors $S/conf/majors.awk
216 ${AWK} -f $S/conf/majors.awk $S/conf/majors > ${.TARGET}
218 vers.c: $S/conf/newvers.sh $S/sys/param.h ${SYSTEM_DEP}
219 sh $S/conf/newvers.sh ${KERN_IDENT}
221 vnode_if.c: $S/tools/vnode_if.awk $S/kern/vnode_if.src
222 ${AWK} -f $S/tools/vnode_if.awk $S/kern/vnode_if.src -c
224 vnode_if.h: $S/tools/vnode_if.awk $S/kern/vnode_if.src
225 ${AWK} -f $S/tools/vnode_if.awk $S/kern/vnode_if.src -h
227 # XXX strictly, everything depends on Makefile because changes to ${PROF}
228 # only appear there, but we don't handle that.