FreeBSD/Linux Kernel Cross Reference
sys/conf/kern.post.mk
1 # $FreeBSD: src/sys/conf/kern.post.mk,v 1.68.2.1 2004/09/20 17:39:02 ru Exp $
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 .ORDER: kernel-install modules-install
31
32 kernel-all: ${KERNEL_KO}
33
34 kernel-cleandir: kernel-clean
35
36 kernel-clobber:
37 find . -maxdepth 1 ! -type d ! -name version -delete
38
39 kernel-obj:
40
41 .if !defined(MODULES_WITH_WORLD) && !defined(NO_MODULES) && exists($S/modules)
42 modules: modules-all
43
44 .if !defined(NO_MODULES_OBJ)
45 modules-all modules-depend: modules-obj
46 .endif
47 .endif
48
49 .if !defined(DEBUG)
50 FULLKERNEL= ${KERNEL_KO}
51 .else
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}
57
58 # Install gdbinit files for kernel debugging.
59 gdbinit:
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
67 .endif
68 .endif
69
70 ${FULLKERNEL}: ${SYSTEM_DEP} vers.o
71 @rm -f ${.TARGET}
72 @echo linking ${.TARGET}
73 ${SYSTEM_LD}
74 .if !defined(DEBUG)
75 ${OBJCOPY} --strip-debug ${.TARGET}
76 .endif
77 ${SYSTEM_LD_TAIL}
78
79 .if !exists(${.OBJDIR}/.depend)
80 ${SYSTEM_OBJS}: assym.s vnode_if.h ${BEFORE_DEPEND:M*.h} ${MFILES:T:S/.m$/.h/}
81 .endif
82
83 LNFILES= ${CFILES:T:S/.c$/.ln/}
84
85 .for mfile in ${MFILES}
86 # XXX the low quality .m.o rules gnerated by config are normally used
87 # instead of the .m.c rules here.
88 ${mfile:T:S/.m$/.c/}: ${mfile}
89 ${AWK} -f $S/tools/makeobjops.awk ${mfile} -c
90 ${mfile:T:S/.m$/.h/}: ${mfile}
91 ${AWK} -f $S/tools/makeobjops.awk ${mfile} -h
92 .endfor
93
94 kernel-clean:
95 rm -f *.o *.so *.So *.ko *.s eddep errs \
96 ${FULLKERNEL} ${KERNEL_KO} linterrs makelinks tags \
97 vers.c vnode_if.c vnode_if.h majors.c \
98 ${MFILES:T:S/.m$/.c/} ${MFILES:T:S/.m$/.h/} \
99 ${CLEAN}
100
101 lint: ${LNFILES}
102 ${LINT} ${LINTKERNFLAGS} ${CFLAGS:M-[DILU]*} ${.ALLSRC} 2>&1 | \
103 tee -a linterrs
104
105 # This is a hack. BFD "optimizes" away dynamic mode if there are no
106 # dynamic references. We could probably do a '-Bforcedynamic' mode like
107 # in the a.out ld. For now, this works.
108 HACK_EXTRA_FLAGS?= -shared
109 hack.So: Makefile
110 touch hack.c
111 ${CC} ${HACK_EXTRA_FLAGS} -nostdlib hack.c -o hack.So
112 rm -f hack.c
113
114 # This rule stops ./assym.s in .depend from causing problems.
115 ./assym.s: assym.s
116
117 assym.s: $S/kern/genassym.sh genassym.o
118 NM='${NM}' sh $S/kern/genassym.sh genassym.o > ${.TARGET}
119
120 genassym.o: $S/$M/$M/genassym.c
121 ${CC} -c ${CFLAGS:N-fno-common} $S/$M/$M/genassym.c
122
123 ${SYSTEM_OBJS} genassym.o vers.o: opt_global.h
124
125 kernel-depend:
126 .if defined(EXTRA_KERNELDEP)
127 ${EXTRA_KERNELDEP}
128 .endif
129 rm -f .olddep
130 if [ -f .depend ]; then mv .depend .olddep; fi
131 ${MAKE} _kernel-depend
132
133 # The argument list can be very long, so use make -V and xargs to
134 # pass it to mkdep.
135 _kernel-depend: assym.s vnode_if.h ${BEFORE_DEPEND} ${CFILES} \
136 ${SYSTEM_CFILES} ${GEN_CFILES} ${SFILES} \
137 ${MFILES:T:S/.m$/.h/}
138 if [ -f .olddep ]; then mv .olddep .depend; fi
139 rm -f .newdep
140 ${MAKE} -V CFILES -V SYSTEM_CFILES -V GEN_CFILES | \
141 MKDEP_CPP="${CC} -E" CC="${CC}" xargs mkdep -a -f .newdep ${CFLAGS}
142 ${MAKE} -V SFILES | \
143 MKDEP_CPP="${CC} -E" xargs mkdep -a -f .newdep ${ASM_CFLAGS}
144 rm -f .depend
145 mv .newdep .depend
146
147 kernel-cleandepend:
148 rm -f .depend
149
150 links:
151 egrep '#if' ${CFILES} | sed -f $S/conf/defines | \
152 sed -e 's/:.*//' -e 's/\.c/.o/' | sort -u > dontlink
153 ${MAKE} -V CFILES | tr -s ' ' '\12' | sed 's/\.c/.o/' | \
154 sort -u | comm -23 - dontlink | \
155 sed 's,../.*/\(.*.o\),rm -f \1;ln -s ../GENERIC/\1 \1,' > makelinks
156 sh makelinks; rm -f dontlink
157
158 kernel-tags:
159 @[ -f .depend ] || { echo "you must make depend first"; exit 1; }
160 sh $S/conf/systags.sh
161 rm -f tags1
162 sed -e 's, ../, ,' tags > tags1
163
164 .if ${MACHINE_ARCH} != "ia64"
165 .if exists(${DESTDIR}/boot)
166 kernel-install-check:
167 @if [ ! -f ${DESTDIR}/boot/device.hints ] ; then \
168 echo "You must set up a ${DESTDIR}/boot/device.hints file first." ; \
169 exit 1 ; \
170 fi
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." ; \
173 exit 1 ; \
174 fi
175
176 kernel-install: kernel-install-check
177 .endif
178 .endif
179
180 kernel-install:
181 @if [ ! -f ${FULLKERNEL} ] ; then \
182 echo "You must build a kernel first." ; \
183 exit 1 ; \
184 fi
185 .if exists(${DESTDIR}${KODIR})
186 -thiskernel=`sysctl -n kern.bootfile` ; \
187 if [ "`dirname "$$thiskernel"`" != ${DESTDIR}${KODIR} ] ; then \
188 chflags -R noschg ${DESTDIR}${KODIR} ; \
189 rm -rf ${DESTDIR}${KODIR} ; \
190 else \
191 if [ -d ${DESTDIR}${KODIR}.old ] ; then \
192 chflags -R noschg ${DESTDIR}${KODIR}.old ; \
193 rm -rf ${DESTDIR}${KODIR}.old ; \
194 fi ; \
195 mv ${DESTDIR}${KODIR} ${DESTDIR}${KODIR}.old ; \
196 sysctl kern.bootfile=${DESTDIR}${KODIR}.old/"`basename "$$thiskernel"`" ; \
197 fi
198 .endif
199 mkdir -p ${DESTDIR}${KODIR}
200 .if defined(DEBUG) && defined(INSTALL_DEBUG)
201 ${INSTALL} -p -m 555 -o root -g wheel ${FULLKERNEL} ${DESTDIR}${KODIR}
202 .else
203 ${INSTALL} -p -m 555 -o root -g wheel ${KERNEL_KO} ${DESTDIR}${KODIR}
204 .endif
205
206 kernel-reinstall:
207 @-chflags -R noschg ${DESTDIR}${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 config.o env.o hints.o majors.o vers.o vnode_if.o:
215 ${NORMAL_C}
216
217 config.ln env.ln hints.ln majors.ln vers.ln vnode_if.ln:
218 ${NORMAL_LINT}
219
220 majors.c: $S/conf/majors $S/conf/majors.awk
221 ${AWK} -f $S/conf/majors.awk $S/conf/majors > ${.TARGET}
222
223 vers.c: $S/conf/newvers.sh $S/sys/param.h ${SYSTEM_DEP}
224 MAKE=${MAKE} sh $S/conf/newvers.sh ${KERN_IDENT}
225
226 vnode_if.c: $S/tools/vnode_if.awk $S/kern/vnode_if.src
227 ${AWK} -f $S/tools/vnode_if.awk $S/kern/vnode_if.src -c
228
229 vnode_if.h: $S/tools/vnode_if.awk $S/kern/vnode_if.src
230 ${AWK} -f $S/tools/vnode_if.awk $S/kern/vnode_if.src -h
231
232 # XXX strictly, everything depends on Makefile because changes to ${PROF}
233 # only appear there, but we don't handle that.
234
235 .include "kern.mk"
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