FreeBSD/Linux Kernel Cross Reference
sys/conf/kern.post.mk
1 # $FreeBSD: releng/5.2/sys/conf/kern.post.mk 122982 2003-11-25 04:12:43Z 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
16 .MAIN: all
17
18 .for target in all clean cleandepend cleandir clobber depend install \
19 obj reinstall tags
20 ${target}: kernel-${target}
21 .if !defined(MODULES_WITH_WORLD) && !defined(NO_MODULES) && exists($S/modules)
22 ${target}: modules-${target}
23 modules-${target}:
24 cd $S/modules; ${MKMODULESENV} ${MAKE} \
25 ${target:S/^reinstall$/install/:S/^clobber$/cleandir/}
26 .endif
27 .endfor
28
29 .ORDER: kernel-install modules-install
30
31 kernel-all: ${KERNEL_KO}
32
33 kernel-cleandir: kernel-clean
34
35 kernel-clobber:
36 find . -maxdepth 1 ! -type d ! -name version -delete
37
38 kernel-obj:
39
40 .if !defined(MODULES_WITH_WORLD) && !defined(NO_MODULES) && exists($S/modules)
41 modules: modules-all
42
43 .if !defined(NO_MODULES_OBJ)
44 modules-all modules-depend: modules-obj
45 .endif
46 .endif
47
48 .if !defined(DEBUG)
49 FULLKERNEL= ${KERNEL_KO}
50 .else
51 FULLKERNEL= ${KERNEL_KO}.debug
52 ${KERNEL_KO}: ${FULLKERNEL}
53 ${OBJCOPY} --strip-debug ${FULLKERNEL} ${KERNEL_KO}
54 install.debug reinstall.debug: gdbinit
55 cd ${.CURDIR}; ${MAKE} -DINSTALL_DEBUG ${.TARGET:R}
56
57 gdbinit:
58 sed < ${S}/../tools/debugscripts/dot.gdbinit > .gdbinit \
59 "s:MODPATH:${.OBJDIR}/modules:"
60 cp ${S}/../tools/debugscripts/gdbinit.kernel \
61 ${S}/../tools/debugscripts/gdbinit.vinum ${.CURDIR}
62 cp ${S}/../tools/debugscripts/gdbinit.${MACHINE_ARCH} \
63 ${.CURDIR}/gdbinit.machine
64 .endif
65
66 ${FULLKERNEL}: ${SYSTEM_DEP} vers.o
67 @rm -f ${.TARGET}
68 @echo linking ${.TARGET}
69 ${SYSTEM_LD}
70 ${SYSTEM_LD_TAIL}
71
72 .if !exists(${.OBJDIR}/.depend)
73 ${SYSTEM_OBJS}: assym.s miidevs.h vnode_if.h ${BEFORE_DEPEND:M*.h} \
74 ${MFILES:T:S/.m$/.h/}
75 .endif
76
77 LNFILES= ${CFILES:T:S/.c$/.ln/}
78
79 .for mfile in ${MFILES}
80 # XXX the low quality .m.o rules gnerated by config are normally used
81 # instead of the .m.c rules here.
82 ${mfile:T:S/.m$/.c/}: ${mfile}
83 ${AWK} -f $S/tools/makeobjops.awk ${mfile} -c
84 ${mfile:T:S/.m$/.h/}: ${mfile}
85 ${AWK} -f $S/tools/makeobjops.awk ${mfile} -h
86 .endfor
87
88 kernel-clean:
89 rm -f *.o *.so *.So *.ko *.s eddep errs \
90 ${FULLKERNEL} ${KERNEL_KO} linterrs makelinks tags \
91 vers.c vnode_if.c vnode_if.h majors.c \
92 ${MFILES:T:S/.m$/.c/} ${MFILES:T:S/.m$/.h/} \
93 ${CLEAN}
94
95 lint: ${LNFILES}
96 ${LINT} ${LINTKERNFLAGS} ${CFLAGS:M-[DILU]*} ${.ALLSRC} \
97 2>&1 | tee -a linterrs
98
99 # This is a hack. BFD "optimizes" away dynamic mode if there are no
100 # dynamic references. We could probably do a '-Bforcedynamic' mode like
101 # in the a.out ld. For now, this works.
102 HACK_EXTRA_FLAGS?= -shared
103 hack.So: Makefile
104 touch hack.c
105 ${CC} ${FMT} ${HACK_EXTRA_FLAGS} -nostdlib hack.c -o hack.So
106 rm -f hack.c
107
108 # this rule stops ./assym.s in .depend from causing problems
109 ./assym.s: assym.s
110
111 assym.s: $S/kern/genassym.sh genassym.o
112 NM=${NM} sh $S/kern/genassym.sh genassym.o > ${.TARGET}
113
114 # XXX used to force -elf after CFLAGS to work around breakage of cc -aout
115 # (genassym.sh makes some assumptions and cc stopped satisfying them).
116 genassym.o: $S/$M/$M/genassym.c
117 ${CC} -c ${CFLAGS:N-fno-common} -Wno-inline $S/$M/$M/genassym.c
118
119 ${SYSTEM_OBJS} genassym.o vers.o: opt_global.h
120
121 kernel-depend:
122 .if defined(EXTRA_KERNELDEP)
123 ${EXTRA_KERNELDEP}
124 .endif
125 rm -f .olddep
126 if [ -f .depend ]; then mv .depend .olddep; fi
127 ${MAKE} _kernel-depend
128
129 # XXX this belongs elsewhere (inside GEN_CFILES if possible).
130 GEN_M_CFILES= ${MFILES:T:S/.m$/.c/}
131
132 # The argument list can be very long, so use make -V and xargs to
133 # pass it to mkdep.
134 _kernel-depend: assym.s miidevs.h vnode_if.h ${BEFORE_DEPEND} \
135 ${CFILES} ${SYSTEM_CFILES} ${GEN_CFILES} ${GEN_M_CFILES} \
136 ${SFILES} ${MFILES:T:S/.m$/.h/}
137 if [ -f .olddep ]; then mv .olddep .depend; fi
138 rm -f .newdep
139 ${MAKE} -V CFILES -V SYSTEM_CFILES -V GEN_CFILES -V GEN_M_CFILES | \
140 MKDEP_CPP="${CC} -E" CC="${CC}" xargs mkdep -a -f .newdep ${CFLAGS}
141 ${MAKE} -V SFILES | \
142 MKDEP_CPP="${CC} -E" xargs mkdep -a -f .newdep ${ASM_CFLAGS}
143 rm -f .depend
144 mv .newdep .depend
145
146 kernel-cleandepend:
147 rm -f .depend
148
149 links:
150 egrep '#if' ${CFILES} | sed -f $S/conf/defines | \
151 sed -e 's/:.*//' -e 's/\.c/.o/' | sort -u > dontlink
152 ${MAKE} -V CFILES | tr -s ' ' '\12' | sed 's/\.c/.o/' | \
153 sort -u | comm -23 - dontlink | \
154 sed 's,../.*/\(.*.o\),rm -f \1;ln -s ../GENERIC/\1 \1,' > makelinks
155 sh makelinks; rm -f dontlink
156
157 kernel-tags:
158 @[ -f .depend ] || { echo "you must make depend first"; exit 1; }
159 sh $S/conf/systags.sh
160 rm -f tags1
161 sed -e 's, ../, ,' tags > tags1
162
163 kernel-install:
164 .if exists(${DESTDIR}/boot)
165 @if [ ! -f ${DESTDIR}/boot/device.hints ] ; then \
166 echo "You must set up a ${DESTDIR}/boot/device.hints file first." ; \
167 exit 1 ; \
168 fi
169 @if [ x"`grep device.hints ${DESTDIR}/boot/defaults/loader.conf ${DESTDIR}/boot/loader.conf`" = "x" ]; then \
170 echo "You must activate /boot/device.hints in loader.conf." ; \
171 exit 1 ; \
172 fi
173 .endif
174 @if [ ! -f ${FULLKERNEL} ] ; then \
175 echo "You must build a kernel first." ; \
176 exit 1 ; \
177 fi
178 .if exists(${DESTDIR}${KODIR})
179 -thiskernel=`sysctl -n kern.bootfile` ; \
180 if [ "`dirname "$$thiskernel"`" != ${DESTDIR}${KODIR} ] ; then \
181 chflags -R noschg ${DESTDIR}${KODIR} ; \
182 rm -rf ${DESTDIR}${KODIR} ; \
183 else \
184 if [ -d ${DESTDIR}${KODIR}.old ] ; then \
185 chflags -R noschg ${DESTDIR}${KODIR}.old ; \
186 rm -rf ${DESTDIR}${KODIR}.old ; \
187 fi ; \
188 mv ${DESTDIR}${KODIR} ${DESTDIR}${KODIR}.old ; \
189 sysctl kern.bootfile=${DESTDIR}${KODIR}.old/"`basename "$$thiskernel"`" ; \
190 fi
191 .endif
192 mkdir -p ${DESTDIR}${KODIR}
193 .if defined(DEBUG) && defined(INSTALL_DEBUG)
194 ${INSTALL} -p -m 555 -o root -g wheel ${FULLKERNEL} ${DESTDIR}${KODIR}
195 .else
196 ${INSTALL} -p -m 555 -o root -g wheel ${KERNEL_KO} ${DESTDIR}${KODIR}
197 .endif
198
199 kernel-reinstall:
200 @-chflags -R noschg ${DESTDIR}${KODIR}
201 .if defined(DEBUG) && defined(INSTALL_DEBUG)
202 ${INSTALL} -p -m 555 -o root -g wheel ${FULLKERNEL} ${DESTDIR}${KODIR}
203 .else
204 ${INSTALL} -p -m 555 -o root -g wheel ${KERNEL_KO} ${DESTDIR}${KODIR}
205 .endif
206
207 config.o env.o hints.o majors.o vers.o vnode_if.o:
208 ${NORMAL_C}
209
210 config.ln env.ln hints.ln majors.ln vers.ln vnode_if.ln:
211 ${NORMAL_LINT}
212
213 majors.c: $S/conf/majors $S/conf/majors.awk
214 ${AWK} -f $S/conf/majors.awk $S/conf/majors > ${.TARGET}
215
216 vers.c: $S/conf/newvers.sh $S/sys/param.h ${SYSTEM_DEP}
217 sh $S/conf/newvers.sh ${KERN_IDENT}
218
219 vnode_if.c: $S/tools/vnode_if.awk $S/kern/vnode_if.src
220 ${AWK} -f $S/tools/vnode_if.awk $S/kern/vnode_if.src -c
221
222 vnode_if.h: $S/tools/vnode_if.awk $S/kern/vnode_if.src
223 ${AWK} -f $S/tools/vnode_if.awk $S/kern/vnode_if.src -h
224
225 # XXX strictly, everything depends on Makefile because changes to ${PROF}
226 # only appear there, but we don't handle that.
227
228 .include "kern.mk"
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