FreeBSD/Linux Kernel Cross Reference
sys/conf/kern.post.mk
1 # $FreeBSD: releng/6.0/sys/conf/kern.post.mk 147155 2005-06-09 05:38:18Z imp $
2
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.
6 #
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.
10
11 # In case the config had a makeoptions DESTDIR...
12 .if defined(DESTDIR)
13 MKMODULESENV+= DESTDIR="${DESTDIR}"
14 .endif
15 MKMODULESENV+= KERNBUILDDIR="${.CURDIR}"
16
17 .MAIN: all
18
19 .for target in all clean cleandepend cleandir clobber depend install \
20 obj reinstall tags
21 ${target}: kernel-${target}
22 .if !defined(MODULES_WITH_WORLD) && !defined(NO_MODULES) && exists($S/modules)
23 ${target}: modules-${target}
24 modules-${target}:
25 cd $S/modules; ${MKMODULESENV} ${MAKE} \
26 ${target:S/^reinstall$/install/:S/^clobber$/cleandir/}
27 .endif
28 .endfor
29
30 # Handle out of tree ports
31 .if !defined(NO_MODULES) && defined(PORTS_MODULES)
32 .for _dir in ${.CURDIR}/../../..
33 .if !defined(SYSDIR) && exists(${_dir}/kern/)
34 SYSDIR= ${_dir}
35 .endif
36 .endfor
37 PORTSMODULESENV=SYSDIR=${SYSDIR}
38 .for __target in all install reinstall clean
39 ${__target}: ports-${__target}
40 ports-${__target}:
41 .for __i in ${PORTS_MODULES}
42 cd $${PORTSDIR:-/usr/ports}/${__i}; ${PORTSMODULESENV} ${MAKE} -B ${__target:C/install/deinstall reinstall/:C/reinstall/deinstall reinstall/}
43 .endfor
44 .endfor
45 .endif
46
47 .ORDER: kernel-install modules-install
48
49 kernel-all: ${KERNEL_KO}
50
51 kernel-cleandir: kernel-clean
52
53 kernel-clobber:
54 find . -maxdepth 1 ! -type d ! -name version -delete
55
56 kernel-obj:
57
58 .if !defined(MODULES_WITH_WORLD) && !defined(NO_MODULES) && exists($S/modules)
59 modules: modules-all
60
61 .if !defined(NO_MODULES_OBJ)
62 modules-all modules-depend: modules-obj
63 .endif
64 .endif
65
66 .if !defined(DEBUG)
67 FULLKERNEL= ${KERNEL_KO}
68 .else
69 FULLKERNEL= ${KERNEL_KO}.debug
70 ${KERNEL_KO}: ${FULLKERNEL}
71 ${OBJCOPY} --strip-debug ${FULLKERNEL} ${KERNEL_KO}
72 install.debug reinstall.debug: gdbinit
73 cd ${.CURDIR}; ${MAKE} -DINSTALL_DEBUG ${.TARGET:R}
74
75 # Install gdbinit files for kernel debugging.
76 gdbinit:
77 grep -v '# XXX' ${S}/../tools/debugscripts/dot.gdbinit | \
78 sed "s:MODPATH:${.OBJDIR}/modules:" > .gdbinit
79 cp ${S}/../tools/debugscripts/gdbinit.kernel ${.CURDIR}
80 .if exists(${S}/../tools/debugscripts/gdbinit.${MACHINE_ARCH})
81 cp ${S}/../tools/debugscripts/gdbinit.${MACHINE_ARCH} \
82 ${.CURDIR}/gdbinit.machine
83 .endif
84 .endif
85
86 ${FULLKERNEL}: ${SYSTEM_DEP} vers.o
87 @rm -f ${.TARGET}
88 @echo linking ${.TARGET}
89 ${SYSTEM_LD}
90 .if !defined(DEBUG)
91 ${OBJCOPY} --strip-debug ${.TARGET}
92 .endif
93 ${SYSTEM_LD_TAIL}
94
95 .if !exists(${.OBJDIR}/.depend)
96 ${SYSTEM_OBJS}: assym.s vnode_if.h ${BEFORE_DEPEND:M*.h} ${MFILES:T:S/.m$/.h/}
97 .endif
98
99 LNFILES= ${CFILES:T:S/.c$/.ln/}
100
101 .for mfile in ${MFILES}
102 # XXX the low quality .m.o rules gnerated by config are normally used
103 # instead of the .m.c rules here.
104 ${mfile:T:S/.m$/.c/}: ${mfile}
105 ${AWK} -f $S/tools/makeobjops.awk ${mfile} -c
106 ${mfile:T:S/.m$/.h/}: ${mfile}
107 ${AWK} -f $S/tools/makeobjops.awk ${mfile} -h
108 .endfor
109
110 kernel-clean:
111 rm -f *.o *.so *.So *.ko *.s eddep errs \
112 ${FULLKERNEL} ${KERNEL_KO} linterrs makelinks tags vers.c \
113 vnode_if.c vnode_if.h vnode_if_newproto.h vnode_if_typedef.h \
114 ${MFILES:T:S/.m$/.c/} ${MFILES:T:S/.m$/.h/} \
115 ${CLEAN}
116
117 lint: ${LNFILES}
118 ${LINT} ${LINTKERNFLAGS} ${CFLAGS:M-[DILU]*} ${.ALLSRC} 2>&1 | \
119 tee -a linterrs
120
121 # This is a hack. BFD "optimizes" away dynamic mode if there are no
122 # dynamic references. We could probably do a '-Bforcedynamic' mode like
123 # in the a.out ld. For now, this works.
124 HACK_EXTRA_FLAGS?= -shared
125 hack.So: Makefile
126 touch hack.c
127 ${CC} ${HACK_EXTRA_FLAGS} -nostdlib hack.c -o hack.So
128 rm -f hack.c
129
130 # This rule stops ./assym.s in .depend from causing problems.
131 ./assym.s: assym.s
132
133 assym.s: $S/kern/genassym.sh genassym.o
134 NM='${NM}' sh $S/kern/genassym.sh genassym.o > ${.TARGET}
135
136 genassym.o: $S/$M/$M/genassym.c
137 ${CC} -c ${CFLAGS:N-fno-common} $S/$M/$M/genassym.c
138
139 ${SYSTEM_OBJS} genassym.o vers.o: opt_global.h
140
141 kernel-depend: .depend
142 # The argument list can be very long, so use make -V and xargs to
143 # pass it to mkdep.
144 .depend: assym.s vnode_if.h ${BEFORE_DEPEND} ${CFILES} \
145 ${SYSTEM_CFILES} ${GEN_CFILES} ${SFILES} \
146 ${MFILES:T:S/.m$/.h/}
147 rm -f .newdep
148 ${MAKE} -V CFILES -V SYSTEM_CFILES -V GEN_CFILES | \
149 MKDEP_CPP="${CC} -E" CC="${CC}" xargs mkdep -a -f .newdep ${CFLAGS}
150 ${MAKE} -V SFILES | \
151 MKDEP_CPP="${CC} -E" xargs mkdep -a -f .newdep ${ASM_CFLAGS}
152 rm -f .depend
153 mv .newdep .depend
154
155 kernel-cleandepend:
156 rm -f .depend
157
158 links:
159 egrep '#if' ${CFILES} | sed -f $S/conf/defines | \
160 sed -e 's/:.*//' -e 's/\.c/.o/' | sort -u > dontlink
161 ${MAKE} -V CFILES | tr -s ' ' '\12' | sed 's/\.c/.o/' | \
162 sort -u | comm -23 - dontlink | \
163 sed 's,../.*/\(.*.o\),rm -f \1;ln -s ../GENERIC/\1 \1,' > makelinks
164 sh makelinks; rm -f dontlink
165
166 kernel-tags:
167 @[ -f .depend ] || { echo "you must make depend first"; exit 1; }
168 sh $S/conf/systags.sh
169 rm -f tags1
170 sed -e 's, ../, ,' tags > tags1
171
172 .if ${MACHINE_ARCH} != "ia64"
173 .if exists(${DESTDIR}/boot)
174 kernel-install-check:
175 @if [ ! -f ${DESTDIR}/boot/device.hints ] ; then \
176 echo "You must set up a ${DESTDIR}/boot/device.hints file first." ; \
177 exit 1 ; \
178 fi
179 @if [ x"`grep device.hints ${DESTDIR}/boot/defaults/loader.conf ${DESTDIR}/boot/loader.conf`" = "x" ]; then \
180 echo "You must activate /boot/device.hints in loader.conf." ; \
181 exit 1 ; \
182 fi
183
184 kernel-install: kernel-install-check
185 .endif
186 .endif
187
188 kernel-install:
189 @if [ ! -f ${FULLKERNEL} ] ; then \
190 echo "You must build a kernel first." ; \
191 exit 1 ; \
192 fi
193 .if exists(${DESTDIR}${KODIR})
194 -thiskernel=`sysctl -n kern.bootfile` ; \
195 if [ ! "`dirname "$$thiskernel"`" -ef ${DESTDIR}${KODIR} ] ; then \
196 chflags -R noschg ${DESTDIR}${KODIR} ; \
197 rm -rf ${DESTDIR}${KODIR} ; \
198 else \
199 if [ -d ${DESTDIR}${KODIR}.old ] ; then \
200 chflags -R noschg ${DESTDIR}${KODIR}.old ; \
201 rm -rf ${DESTDIR}${KODIR}.old ; \
202 fi ; \
203 mv ${DESTDIR}${KODIR} ${DESTDIR}${KODIR}.old ; \
204 sysctl kern.bootfile=${DESTDIR}${KODIR}.old/"`basename "$$thiskernel"`" ; \
205 fi
206 .endif
207 mkdir -p ${DESTDIR}${KODIR}
208 .if defined(DEBUG) && defined(INSTALL_DEBUG)
209 ${INSTALL} -p -m 555 -o root -g wheel ${FULLKERNEL} ${DESTDIR}${KODIR}
210 .else
211 ${INSTALL} -p -m 555 -o root -g wheel ${KERNEL_KO} ${DESTDIR}${KODIR}
212 .endif
213
214 kernel-reinstall:
215 @-chflags -R noschg ${DESTDIR}${KODIR}
216 .if defined(DEBUG) && defined(INSTALL_DEBUG)
217 ${INSTALL} -p -m 555 -o root -g wheel ${FULLKERNEL} ${DESTDIR}${KODIR}
218 .else
219 ${INSTALL} -p -m 555 -o root -g wheel ${KERNEL_KO} ${DESTDIR}${KODIR}
220 .endif
221
222 config.o env.o hints.o vers.o vnode_if.o:
223 ${NORMAL_C}
224
225 config.ln env.ln hints.ln vers.ln vnode_if.ln:
226 ${NORMAL_LINT}
227
228 vers.c: $S/conf/newvers.sh $S/sys/param.h ${SYSTEM_DEP}
229 MAKE=${MAKE} sh $S/conf/newvers.sh ${KERN_IDENT}
230
231 vnode_if.c: $S/tools/vnode_if.awk $S/kern/vnode_if.src
232 ${AWK} -f $S/tools/vnode_if.awk $S/kern/vnode_if.src -c
233
234 vnode_if.h: $S/tools/vnode_if.awk $S/kern/vnode_if.src
235 ${AWK} -f $S/tools/vnode_if.awk $S/kern/vnode_if.src -h
236 ${AWK} -f $S/tools/vnode_if.awk $S/kern/vnode_if.src -p
237 ${AWK} -f $S/tools/vnode_if.awk $S/kern/vnode_if.src -q
238
239 # XXX strictly, everything depends on Makefile because changes to ${PROF}
240 # only appear there, but we don't handle that.
241
242 .include "kern.mk"
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