FreeBSD/Linux Kernel Cross Reference
sys/conf/kern.post.mk
1 #
2 # This Makefile covers the bottom part of the MI build instructions
3 #
4
5 .PHONY: all modules
6
7 all: ${KERNEL}.stripped
8
9 _MACHINE_FWD= ${.OBJDIR}
10 .include "$S/conf/kern.fwd.mk"
11 .include "$S/conf/kern.paths.mk"
12
13 depend kernel-depend modules-depend: ${FORWARD_HEADERS_COOKIE}
14
15 depend: kernel-depend
16 clean: kernel-clean
17 cleandepend: kernel-cleandepend
18 tags: kernel-tags
19 install: kernel-install
20 reinstall: kernel-reinstall
21
22 # Often developers just want the kernel, don't let
23 # -j builds leak into the modules until the kernel is done.
24 #
25 .ORDER: ${KERNEL}.stripped modules
26
27 ${KERNEL}.stripped: ${FULLKERNEL}
28 ${OBJCOPY} --strip-debug ${FULLKERNEL} ${KERNEL}.stripped
29
30 ${FULLKERNEL}: ${SYSTEM_DEP} vers.o
31 @rm -f ${.TARGET}
32 @echo linking ${.TARGET}
33 ${SYSTEM_LD}
34 ${SYSTEM_LD_TAIL}
35
36 .if !exists(.depend)
37 ${SYSTEM_OBJS}: ${BEFORE_DEPEND:M*.h} ${MFILES:T:S/.m$/.h/}
38 .endif
39
40 .for mfile in ${MFILES}
41 ${mfile:T:S/.m$/.h/}: ${mfile}
42 awk -f $S/tools/makeobjops.awk -- -h ${mfile}
43 .endfor
44
45 kernel-clean:
46 rm -f *.o *.so *.So *.ko *.s eddep errs \
47 ${KERNEL} ${KERNEL}.debug ${KERNEL}.nodebug ${KERNEL}.stripped \
48 linterrs makelinks setdef[01].c setdefs.h tags \
49 vers.c vnode_if.c vnode_if.h \
50 ${MFILES:T:S/.m$/.c/} ${MFILES:T:S/.m$/.h/} \
51 ${CLEAN}
52
53 #lint: /tmp
54 # @lint -hbxn -DGENERIC -Dvolatile= ${COPTS} \
55 # $S/platform/$P/$M/Locore.c ${CFILES} ioconf.c | \
56 # grep -v 'struct/union .* never defined' | \
57 # grep -v 'possible pointer alignment problem'
58
59 locore.o: $S/platform/$P/$M/locore.s assym.s
60 ${NORMAL_S}
61
62 # This is a hack. BFD "optimizes" away dynamic mode if there are no
63 # dynamic references. We could probably do a '-Bforcedynamic' mode like
64 # in the a.out ld. For now, this works.
65 hack.So: Makefile
66 touch hack.c
67 ${CC} -shared -nostdlib hack.c -o hack.So
68 rm -f hack.c
69
70 # this rule stops ./assym.s in .depend from causing problems
71 ./assym.s: assym.s
72
73 assym.s: $S/kern/genassym.sh genassym.o
74 sh $S/kern/genassym.sh genassym.o > ${.TARGET}
75
76 genassym.o: $S/platform/$P/$M/genassym.c ${FORWARD_HEADERS_COOKIE} \
77 ${MFILES:T:S/.m$/.h/}
78 ${CC} -c ${CFLAGS:N-fno-common:N-mcmodel=small} ${WERROR} \
79 $S/platform/$P/$M/genassym.c
80
81 ${SYSTEM_OBJS} genassym.o vers.o: opt_global.h
82
83 # The argument list can be very long, use make -V and xargs to
84 # pass it to mkdep.
85 kernel-depend: assym.s ${BEFORE_DEPEND} \
86 ${CFILES} ${SYSTEM_CFILES} ${GEN_CFILES} ${SFILES} \
87 ${SYSTEM_SFILES} ${MFILES:T:S/.m$/.h/}
88 rm -f .newdep
89 ${MAKE} -V CFILES -V SYSTEM_CFILES -V GEN_CFILES | xargs \
90 mkdep -a -f .newdep ${CFLAGS}
91 ${MAKE} -V SFILES -V SYSTEM_SFILES | xargs \
92 env MKDEP_CPP="${CC} -E" mkdep -a -f .newdep ${ASM_CFLAGS}
93 rm -f .depend
94 mv -f .newdep .depend
95
96 kernel-cleandepend:
97 rm -f .depend
98
99 links:
100 egrep '#if' ${CFILES} | sed -f $S/conf/defines | \
101 sed -e 's/:.*//' -e 's/\.c/.o/' | sort -u > dontlink
102 ${MAKE} -V CFILES | tr -s ' ' '\12' | sed 's/\.c/.o/' | \
103 sort -u | comm -23 - dontlink | \
104 sed 's,../.*/\(.*.o\),rm -f \1;ln -s ../GENERIC/\1 \1,' > makelinks
105 sh makelinks && rm -f dontlink
106
107 kernel-tags:
108 @[ -f .depend ] || { echo "you must make depend first"; /usr/bin/false; }
109 sh $S/conf/systags.sh
110 rm -f tags1
111 sed -e 's, ../, ,' tags > tags1
112
113 # Note: when moving the existing kernel to .old, it is by default stripped
114 # so we do not have two full debug environments sitting in / eating up space.
115 #
116 # Also note the .old might be a file and not a directory, so we have to
117 # remove it first.
118 #
119 kernel-install: kernel-installable
120 @if [ ! -f ${SELECTEDKERNEL} ]; then \
121 echo "You must build a kernel first."; \
122 /usr/bin/false; \
123 fi
124 @if [ -f ${DESTDIR}${DESTKERNDIR}.old ]; then \
125 rm -f ${DESTDIR}${DESTKERNDIR}.old; \
126 fi
127 mkdir -p ${DESTDIR}${DESTKERNDIR}.old
128 .if exists(${DESTDIR}${DESTKERNDIR}/${DESTKERNNAME})
129 .ifndef NOFSCHG
130 -chflags noschg ${DESTDIR}${DESTKERNDIR}/${DESTKERNNAME}
131 .endif
132 . ifdef NO_KERNEL_OLD_STRIP
133 cp -p ${DESTDIR}${DESTKERNDIR}/${DESTKERNNAME} ${DESTDIR}${DESTKERNDIR}.old/${DESTKERNNAME}
134 . else
135 ${OBJCOPY} --strip-debug ${DESTDIR}${DESTKERNDIR}/${DESTKERNNAME} ${DESTDIR}${DESTKERNDIR}.old/${DESTKERNNAME}
136 . endif
137 .endif
138 @if [ -f ${DESTDIR}${DESTKERNDIR} ]; then \
139 chflags noschg ${DESTDIR}${DESTKERNDIR}; \
140 rm -f ${DESTDIR}${DESTKERNDIR}; \
141 fi
142 mkdir -p ${DESTDIR}${DESTKERNDIR}
143 .ifdef NOFSCHG
144 ${INSTALL} -m 555 -o root -g wheel \
145 ${SELECTEDKERNEL} ${DESTDIR}${DESTKERNDIR}/${DESTKERNNAME}
146 .else
147 ${INSTALL} -m 555 -o root -g wheel -fschg \
148 ${SELECTEDKERNEL} ${DESTDIR}${DESTKERNDIR}/${DESTKERNNAME}
149 .endif
150
151 kernel-reinstall: kernel-installable
152 mkdir -p ${DESTDIR}${DESTKERNDIR}
153 .ifdef NOFSCHG
154 ${INSTALL} -m 555 -o root -g wheel \
155 ${SELECTEDKERNEL} ${DESTDIR}${DESTKERNDIR}/${DESTKERNNAME}
156 .else
157 ${INSTALL} -m 555 -o root -g wheel -fschg \
158 ${SELECTEDKERNEL} ${DESTDIR}${DESTKERNDIR}/${DESTKERNNAME}
159 .endif
160
161 kernel-installable:
162 @if [ -f ${DESTDIR}/${DESTKERNNAME} ]; then \
163 echo "You need to make buildworld, installworld, and upgrade"; \
164 echo "before you can install a new kernel, because the"; \
165 echo "kernel and modules have moved to /boot"; \
166 /usr/bin/false; \
167 fi
168 # Skip this step for vkernels
169 .if ${MACHINE_PLATFORM} != vkernel && ${MACHINE_PLATFORM} != vkernel64
170 @if [ ! -f ${DESTDIR}/boot/dloader.rc ]; then \
171 echo "You need to install a new ${DESTDIR}/boot before you"; \
172 echo "can install a new kernel, kernels are now installed"; \
173 echo "into a subdirectory along with their modules."; \
174 echo "You can do this with a buildworld / installworld"; \
175 echo "sequence."; \
176 /usr/bin/false; \
177 fi
178 .endif
179
180 .if !defined(MODULES_WITH_WORLD) && !defined(NO_MODULES)
181 all: modules
182 depend: modules-depend
183 clean: modules-clean
184 cleandepend: modules-cleandepend
185 cleandir: modules-cleandir
186 tags: modules-tags
187 install: modules-install
188 reinstall: modules-reinstall
189 .endif
190
191 modules:
192 @mkdir -p ${.OBJDIR}
193 cd $S ; env ${MKMODULESENV} ${MAKE} -f Makefile.modules obj ; \
194 env ${MKMODULESENV} ${MAKE} -f Makefile.modules all
195
196 modules-depend:
197 @mkdir -p ${.OBJDIR}
198 cd $S ; env ${MKMODULESENV} ${MAKE} -f Makefile.modules obj ; \
199 env ${MKMODULESENV} ${MAKE} -f Makefile.modules depend
200
201 modules-clean:
202 cd $S ; env ${MKMODULESENV} ${MAKE} -f Makefile.modules clean
203
204 modules-cleandepend:
205 cd $S ; env ${MKMODULESENV} ${MAKE} -f Makefile.modules cleandepend
206
207 # XXX huh?
208 #modules-clobber: modules-clean
209 # rm -rf ${MKMODULESENV}
210
211 modules-cleandir:
212 cd $S ; env ${MKMODULESENV} ${MAKE} -f Makefile.modules cleandir
213
214 modules-tags:
215 cd $S ; env ${MKMODULESENV} ${MAKE} -f Makefile.modules tags
216
217 # Note: when moving the existing modules to .old, they are by default stripped
218 # so we do not have two full debug environments sitting in / eating up space.
219 #
220 # We may have to remove deprecated kernel.old files before we can create
221 # the kernel.old directory.
222 #
223 modules-install: kernel-installable
224 .if !defined(NO_MODULES_OLD)
225 . ifdef NO_KERNEL_OLD_STRIP
226 set -- ${DESTDIR}${DESTKERNDIR}/*.ko; \
227 if [ -f "$$1" ]; then \
228 if [ -f ${DESTDIR}${DESTKERNDIR}.old ]; then \
229 rm -f ${DESTDIR}${DESTKERNDIR}.old; \
230 fi; \
231 mkdir -p ${DESTDIR}${DESTKERNDIR}.old; \
232 for file; do \
233 cp -p $$file ${DESTDIR}${DESTKERNDIR}.old; \
234 done; \
235 fi
236 . else
237 set -- ${DESTDIR}${DESTKERNDIR}/*.ko; \
238 if [ -f "$$1" ]; then \
239 if [ -f ${DESTDIR}${DESTKERNDIR}.old ]; then \
240 rm -f ${DESTDIR}${DESTKERNDIR}.old; \
241 fi; \
242 mkdir -p ${DESTDIR}${DESTKERNDIR}.old; \
243 for file; do \
244 ${OBJCOPY} --strip-debug $$file ${DESTDIR}${DESTKERNDIR}.old/$${file##*/}; \
245 done; \
246 fi
247 . endif
248 if [ -f ${DESTDIR}${DESTKERNDIR}/initrd.img ]; then \
249 cp -p ${DESTDIR}${DESTKERNDIR}/initrd.img ${DESTDIR}${DESTKERNDIR}.old; \
250 fi
251 .endif
252 .if exists(${DESTDIR}/${OLDMODULESDIR})
253 rm -rf ${DESTDIR}/${OLDMODULESDIR} # remove deprecated
254 .endif
255 mkdir -p ${DESTDIR}${DESTKERNDIR} # Ensure that the modules directory exists!
256 cd $S ; env ${MKMODULESENV} ${MAKE} -f Makefile.modules install
257
258 modules-reinstall:
259 mkdir -p ${DESTDIR}/${DESTKERNDIR} # Ensure that the modules directory exists!
260 cd $S ; env ${MKMODULESENV} ${MAKE} -f Makefile.modules install
261
262 config.o:
263 ${NORMAL_C} ${WERROR}
264
265 ioconf.o:
266 ${NORMAL_C} ${WERROR}
267
268 vers.c: $S/conf/newvers.sh $S/sys/param.h ${SYSTEM_DEP}
269 sh $S/conf/newvers.sh $S/..
270
271 # XXX strictly, everything depends on Makefile because changes to ${PROF}
272 # only appear there, but we don't handle that.
273 vers.o:
274 ${NORMAL_C} ${WERROR}
275
276 .include "$S/conf/bsd.kern.mk"
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