kern.post.mk revision 86253 
1# kern.post.mk
2#
3# Unified Makefile for building kenrels.  This includes all the definitions
4# that need to be included after all the % directives, except %RULES and
5# things that act like they are part of %RULES
6#
7# $FreeBSD: head/sys/conf/kern.post.mk 86253 2001-11-11 06:16:53Z imp $
8#
9
10.PHONY:	all modules
11
12depend: kernel-depend
13clean:  kernel-clean
14cleandepend:  kernel-cleandepend
15clobber: kernel-clobber
16tags:  kernel-tags
17install: kernel-install
18install.debug: kernel-install.debug
19reinstall: kernel-reinstall
20reinstall.debug: kernel-reinstall.debug
21
22.if !defined(DEBUG)
23FULLKERNEL=	${KERNEL_KO}
24.else
25FULLKERNEL=	${KERNEL_KO}.debug
26${KERNEL_KO}: ${FULLKERNEL}
27	${OBJCOPY} --strip-debug ${FULLKERNEL} ${KERNEL_KO}
28.endif
29
30${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}: vnode_if.h ${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	perl5 $S/kern/makeobjops.pl -h ${mfile}
43.endfor
44
45kernel-clean:
46	rm -f *.o *.so *.So *.ko *.s eddep errs \
47	      ${FULLKERNEL} ${KERNEL_KO} linterrs makelinks \
48	      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
53kernel-clobber:
54	find . -type f ! -name version -delete
55
56locore.o: $S/$M/$M/locore.s assym.s
57	${NORMAL_S}
58
59# This is a hack.  BFD "optimizes" away dynamic mode if there are no
60# dynamic references.  We could probably do a '-Bforcedynamic' mode like
61# in the a.out ld.  For now, this works.
62HACK_EXTRA_FLAGS?= -shared
63hack.So: Makefile
64	touch hack.c
65	${CC} ${FMT} ${HACK_EXTRA_FLAGS} -nostdlib hack.c -o hack.So
66	rm -f hack.c
67
68# this rule stops ./assym.s in .depend from causing problems
69./assym.s: assym.s
70
71assym.s: $S/kern/genassym.sh genassym.o
72	NM=${NM} OBJFORMAT=elf sh $S/kern/genassym.sh genassym.o > ${.TARGET}
73
74genassym.o: $S/$M/$M/genassym.c
75	${CC} -c ${CFLAGS} $S/$M/$M/genassym.c
76
77${SYSTEM_OBJS} genassym.o vers.o: opt_global.h
78
79kernel-depend:
80.if defined(EXTRA_KERNELDEP)
81	${EXTRA_KERNELDEP}
82.endif
83	rm -f .olddep
84	if [ -f .depend ]; then mv .depend .olddep; fi
85	${MAKE} _kernel-depend
86
87_kernel-depend: assym.s vnode_if.h ${BEFORE_DEPEND} \
88	    ${CFILES} ${SYSTEM_CFILES} ${GEN_CFILES} ${SFILES} \
89	    ${SYSTEM_SFILES} ${MFILES:T:S/.m$/.h/}
90	if [ -f .olddep ]; then mv .olddep .depend; fi
91	rm -f .newdep
92	env MKDEP_CPP="${CC} -E" CC="${CC}" \
93	    mkdep -a -f .newdep ${CFLAGS} ${CFILES} ${SYSTEM_CFILES} ${GEN_CFILES}
94	env MKDEP_CPP="${CC} -E" \
95	    mkdep -a -f .newdep ${ASM_CFLAGS} ${SFILES} ${SYSTEM_SFILES}
96	rm -f .depend
97	mv .newdep .depend
98
99kernel-cleandepend:
100	rm -f .depend
101
102links:
103	egrep '#if' ${CFILES} | sed -f $S/conf/defines | \
104	  sed -e 's/:.*//' -e 's/\.c/.o/' | sort -u > dontlink
105	echo ${CFILES} | tr -s ' ' '\12' | sed 's/\.c/.o/' | \
106	  sort -u | comm -23 - dontlink | \
107	  sed 's,../.*/\(.*.o\),rm -f \1;ln -s ../GENERIC/\1 \1,' > makelinks
108	sh makelinks; rm -f dontlink
109
110kernel-tags:
111	@[ -f .depend ] || { echo "you must make depend first"; exit 1; }
112	sh $S/conf/systags.sh
113	rm -f tags1
114	sed -e 's,      ../,    ,' tags > tags1
115
116kernel-install kernel-install.debug:
117.if exists(${DESTDIR}/boot)
118	@if [ ! -f ${DESTDIR}/boot/device.hints ] ; then \
119		echo "You must set up a ${DESTDIR}/boot/device.hints file first." ; \
120		exit 1 ; \
121	fi
122	@if [ x"`grep device.hints ${DESTDIR}/boot/defaults/loader.conf ${DESTDIR}/boot/loader.conf`" = "x" ]; then \
123		echo "You must activate /boot/device.hints in loader.conf." ; \
124		exit 1 ; \
125	fi
126.endif
127	@if [ ! -f ${KERNEL_KO}${.TARGET:S/kernel-install//} ] ; then \
128		echo "You must build a kernel first." ; \
129		exit 1 ; \
130	fi
131.if exists(${DESTDIR}${KODIR})
132	-thiskernel=`sysctl -n kern.bootfile` ; \
133	if [ "$$thiskernel" = ${DESTDIR}${KODIR}.old/${KERNEL_KO} ] ; then \
134		chflags -R noschg ${DESTDIR}${KODIR} ; \
135		rm -rf ${DESTDIR}${KODIR} ; \
136	else \
137		if [ -d ${DESTDIR}${KODIR}.old ] ; then \
138			chflags -R noschg ${DESTDIR}${KODIR}.old ; \
139			rm -rf ${DESTDIR}${KODIR}.old ; \
140		fi ; \
141		mv ${DESTDIR}${KODIR} ${DESTDIR}${KODIR}.old ; \
142		if [ "$$thiskernel" = ${DESTDIR}${KODIR}/${KERNEL_KO} ] ; then \
143			sysctl -w kern.bootfile=${DESTDIR}${KODIR}.old/${KERNEL_KO} ; \
144		fi; \
145	fi
146.endif
147	mkdir -p ${DESTDIR}${KODIR}
148	install -c -m 555 -o root -g wheel \
149		${KERNEL_KO}${.TARGET:S/kernel-install//} ${DESTDIR}${KODIR}
150
151kernel-reinstall kernel-reinstall.debug:
152	@-chflags -R noschg ${DESTDIR}${KODIR}
153	install -c -m 555 -o root -g wheel \
154		${KERNEL_KO}${.TARGET:S/kernel-reinstall//} ${DESTDIR}${KODIR}
155
156.if !defined(MODULES_WITH_WORLD) && !defined(NO_MODULES) && exists($S/modules)
157all:	modules
158depend: modules-depend
159clean:  modules-clean
160cleandepend:  modules-cleandepend
161cleandir:  modules-cleandir
162clobber:  modules-clobber
163tags:  modules-tags
164install: modules-install
165install.debug: modules-install.debug
166reinstall: modules-reinstall
167reinstall.debug: modules-reinstall.debug
168.endif
169
170MKMODULESENV=	MAKEOBJDIRPREFIX=${.OBJDIR}/modules KMODDIR=${KODIR}
171.if defined(MODULES_OVERRIDE)
172MKMODULESENV+=	MODULES_OVERRIDE="${MODULES_OVERRIDE}"
173.endif
174.if defined(DEBUG)
175MKMODULESENV+=	DEBUG="${DEBUG}" DEBUG_FLAGS="${DEBUG}"
176.endif
177
178modules:
179	@mkdir -p ${.OBJDIR}/modules
180	cd $S/modules ; env ${MKMODULESENV} ${MAKE} obj ; \
181	    env ${MKMODULESENV} ${MAKE} all
182
183modules-depend:
184	@mkdir -p ${.OBJDIR}/modules
185	cd $S/modules ; env ${MKMODULESENV} ${MAKE} obj ; \
186	    env ${MKMODULESENV} ${MAKE} depend
187
188modules-clean:
189	cd $S/modules ; env ${MKMODULESENV} ${MAKE} clean
190
191modules-cleandepend:
192	cd $S/modules ; env ${MKMODULESENV} ${MAKE} cleandepend
193
194modules-clobber:	modules-clean
195	rm -rf ${MKMODULESENV}
196
197modules-cleandir:
198	cd $S/modules ; env ${MKMODULESENV} ${MAKE} cleandir
199
200modules-tags:
201	cd $S/modules ; env ${MKMODULESENV} ${MAKE} tags
202
203modules-install modules-reinstall:
204	cd $S/modules ; env ${MKMODULESENV} ${MAKE} install
205
206modules-install.debug modules-reinstall.debug:
207	cd $S/modules ; env ${MKMODULESENV} ${MAKE} install.debug
208
209config.o:
210	${NORMAL_C}
211
212vers.c: $S/conf/newvers.sh $S/sys/param.h ${SYSTEM_DEP}
213	sh $S/conf/newvers.sh ${KERN_IDENT} ${IDENT}
214
215# XXX strictly, everything depends on Makefile because changes to ${PROF}
216# only appear there, but we don't handle that.
217vers.o:
218	${NORMAL_C}
219
220hints.o:	hints.c
221	${NORMAL_C}
222
223env.o:	env.c
224	${NORMAL_C}
225
226vnode_if.c: $S/kern/vnode_if.pl $S/kern/vnode_if.src
227	perl5 $S/kern/vnode_if.pl -c $S/kern/vnode_if.src
228
229vnode_if.h: $S/kern/vnode_if.pl $S/kern/vnode_if.src
230	perl5 $S/kern/vnode_if.pl -h $S/kern/vnode_if.src
231
232vnode_if.o:
233	${NORMAL_C}
234
235# Commented out for now pending a better solution.
236# How do we pick up compiler version specific flags??
237#.if exists($S/../share/mk)
238#.include "$S/../share/mk/bsd.kern.mk"
239#.else
240.include <bsd.kern.mk>
241#.endif
242