kern.post.mk revision 205640 
1# $FreeBSD: head/sys/conf/kern.post.mk 205640 2010-03-25 13:47:21Z netchild $
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)
13MKMODULESENV+=	DESTDIR="${DESTDIR}"
14.endif
15SYSDIR?= ${S:C;^[^/];${.CURDIR}/&;}
16MKMODULESENV+=	KERNBUILDDIR="${.CURDIR}" SYSDIR="${SYSDIR}"
17
18.if defined(CONF_CFLAGS)
19MKMODULESENV+=	CONF_CFLAGS="${CONF_CFLAGS}"
20.endif
21
22.MAIN: all
23
24.for target in all clean cleandepend cleandir clobber depend install \
25    obj reinstall tags
26${target}: kernel-${target}
27.if !defined(MODULES_WITH_WORLD) && !defined(NO_MODULES) && exists($S/modules)
28${target}: modules-${target}
29modules-${target}:
30	cd $S/modules; ${MKMODULESENV} ${MAKE} \
31	    ${target:S/^reinstall$/install/:S/^clobber$/cleandir/}
32.endif
33.endfor
34
35# Handle out of tree ports 
36.if !defined(NO_MODULES) && defined(PORTS_MODULES)
37PORTSMODULESENV=SYSDIR=${SYSDIR}
38.for __target in all install reinstall clean
39${__target}: ports-${__target}
40ports-${__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
49kernel-all: ${KERNEL_KO} ${KERNEL_EXTRA}
50
51kernel-cleandir: kernel-clean kernel-cleandepend
52
53kernel-clobber:
54	find . -maxdepth 1 ! -type d ! -name version -delete
55
56kernel-obj:
57
58.if !defined(MODULES_WITH_WORLD) && !defined(NO_MODULES) && exists($S/modules)
59modules: modules-all
60
61.if !defined(NO_MODULES_OBJ)
62modules-all modules-depend: modules-obj
63.endif
64.endif
65
66.if !defined(DEBUG)
67FULLKERNEL=	${KERNEL_KO}
68.else
69FULLKERNEL=	${KERNEL_KO}.debug
70${KERNEL_KO}: ${FULLKERNEL} ${KERNEL_KO}.symbols
71	${OBJCOPY} --strip-debug --add-gnu-debuglink=${KERNEL_KO}.symbols\
72	    ${FULLKERNEL} ${.TARGET}
73${KERNEL_KO}.symbols: ${FULLKERNEL}
74	${OBJCOPY} --only-keep-debug ${FULLKERNEL} ${.TARGET}
75install.debug reinstall.debug: gdbinit
76	cd ${.CURDIR}; ${MAKE} ${.TARGET:R}
77
78# Install gdbinit files for kernel debugging.
79gdbinit:
80	grep -v '# XXX' ${S}/../tools/debugscripts/dot.gdbinit | \
81	    sed "s:MODPATH:${.OBJDIR}/modules:" > .gdbinit
82	cp ${S}/../tools/debugscripts/gdbinit.kernel ${.CURDIR}
83.if exists(${S}/../tools/debugscripts/gdbinit.${MACHINE_ARCH})
84	cp ${S}/../tools/debugscripts/gdbinit.${MACHINE_ARCH} \
85	    ${.CURDIR}/gdbinit.machine
86.endif
87.endif
88
89${FULLKERNEL}: ${SYSTEM_DEP} vers.o
90	@rm -f ${.TARGET}
91	@echo linking ${.TARGET}
92	${SYSTEM_LD}
93.if defined(CTFMERGE)
94	${SYSTEM_CTFMERGE}
95.endif
96.if !defined(DEBUG)
97	${OBJCOPY} --strip-debug ${.TARGET}
98.endif
99	${SYSTEM_LD_TAIL}
100.if defined(MFS_IMAGE)
101	@sh ${S}/tools/embed_mfs.sh ${FULLKERNEL} ${MFS_IMAGE}
102.endif
103
104.if !exists(${.OBJDIR}/.depend)
105${SYSTEM_OBJS}: assym.s vnode_if.h ${BEFORE_DEPEND:M*.h} ${MFILES:T:S/.m$/.h/}
106.endif
107
108LNFILES=	${CFILES:T:S/.c$/.ln/}
109
110.for mfile in ${MFILES}
111# XXX the low quality .m.o rules gnerated by config are normally used
112# instead of the .m.c rules here.
113${mfile:T:S/.m$/.c/}: ${mfile}
114	${AWK} -f $S/tools/makeobjops.awk ${mfile} -c
115${mfile:T:S/.m$/.h/}: ${mfile}
116	${AWK} -f $S/tools/makeobjops.awk ${mfile} -h
117.endfor
118
119kernel-clean:
120	rm -f *.o *.so *.So *.ko *.s eddep errs \
121	    ${FULLKERNEL} ${KERNEL_KO} ${KERNEL_KO}.symbols \
122	    linterrs makelinks tags vers.c \
123	    vnode_if.c vnode_if.h vnode_if_newproto.h vnode_if_typedef.h \
124	    ${MFILES:T:S/.m$/.c/} ${MFILES:T:S/.m$/.h/} \
125	    ${CLEAN}
126
127lint: ${LNFILES}
128	${LINT} ${LINTKERNFLAGS} ${CFLAGS:M-[DILU]*} ${.ALLSRC} 2>&1 | \
129	    tee -a linterrs
130
131# This is a hack.  BFD "optimizes" away dynamic mode if there are no
132# dynamic references.  We could probably do a '-Bforcedynamic' mode like
133# in the a.out ld.  For now, this works.
134HACK_EXTRA_FLAGS?= -shared
135hack.So: Makefile
136	:> hack.c
137	${CC} ${HACK_EXTRA_FLAGS} -nostdlib hack.c -o hack.So
138	rm -f hack.c
139
140# This rule stops ./assym.s in .depend from causing problems.
141./assym.s: assym.s
142
143assym.s: $S/kern/genassym.sh genassym.o
144	NM='${NM}' sh $S/kern/genassym.sh genassym.o > ${.TARGET}
145
146genassym.o: $S/$M/$M/genassym.c
147	${CC} -c ${CFLAGS:N-fno-common} $S/$M/$M/genassym.c
148
149${SYSTEM_OBJS} genassym.o vers.o: opt_global.h
150
151kernel-depend: .depend
152# The argument list can be very long, so use make -V and xargs to
153# pass it to mkdep.
154SRCS=	assym.s vnode_if.h ${BEFORE_DEPEND} ${CFILES} \
155	${SYSTEM_CFILES} ${GEN_CFILES} ${SFILES} \
156	${MFILES:T:S/.m$/.h/}
157.depend: .PRECIOUS ${SRCS}
158	rm -f .newdep
159	${MAKE} -V CFILES -V SYSTEM_CFILES -V GEN_CFILES | \
160	    MKDEP_CPP="${CC} -E" CC="${CC}" xargs mkdep -a -f .newdep ${CFLAGS}
161	${MAKE} -V SFILES | \
162	    MKDEP_CPP="${CC} -E" xargs mkdep -a -f .newdep ${ASM_CFLAGS}
163	rm -f .depend
164	mv .newdep .depend
165
166_ILINKS= machine
167.if ${MACHINE} != ${MACHINE_ARCH}
168_ILINKS+= ${MACHINE_ARCH}
169.endif
170
171# Ensure that the link exists without depending on it when it exists.
172.for _link in ${_ILINKS}
173.if !exists(${.OBJDIR}/${_link})
174${SRCS}: ${_link}
175.endif
176.endfor
177
178${_ILINKS}:
179	@case ${.TARGET} in \
180	machine) \
181		path=${S}/${MACHINE}/include ;; \
182	${MACHINE_ARCH}) \
183		path=${S}/${MACHINE_ARCH}/include ;; \
184	esac ; \
185	${ECHO} ${.TARGET} "->" $$path ; \
186	ln -s $$path ${.TARGET}
187
188# .depend needs include links so we remove them only together.
189kernel-cleandepend:
190	rm -f .depend ${_ILINKS}
191
192links:
193	egrep '#if' ${CFILES} | sed -f $S/conf/defines | \
194	    sed -e 's/:.*//' -e 's/\.c/.o/' | sort -u > dontlink
195	${MAKE} -V CFILES | tr -s ' ' '\12' | sed 's/\.c/.o/' | \
196	    sort -u | comm -23 - dontlink | \
197	    sed 's,../.*/\(.*.o\),rm -f \1;ln -s ../GENERIC/\1 \1,' > makelinks
198	sh makelinks; rm -f dontlink
199
200kernel-tags:
201	@[ -f .depend ] || { echo "you must make depend first"; exit 1; }
202	sh $S/conf/systags.sh
203
204kernel-install:
205	@if [ ! -f ${KERNEL_KO} ] ; then \
206		echo "You must build a kernel first." ; \
207		exit 1 ; \
208	fi
209.if exists(${DESTDIR}${KODIR})
210	-thiskernel=`sysctl -n kern.bootfile` ; \
211	if [ ! "`dirname "$$thiskernel"`" -ef ${DESTDIR}${KODIR} ] ; then \
212		chflags -R noschg ${DESTDIR}${KODIR} ; \
213		rm -rf ${DESTDIR}${KODIR} ; \
214	else \
215		if [ -d ${DESTDIR}${KODIR}.old ] ; then \
216			chflags -R noschg ${DESTDIR}${KODIR}.old ; \
217			rm -rf ${DESTDIR}${KODIR}.old ; \
218		fi ; \
219		mv ${DESTDIR}${KODIR} ${DESTDIR}${KODIR}.old ; \
220		sysctl kern.bootfile=${DESTDIR}${KODIR}.old/"`basename "$$thiskernel"`" ; \
221	fi
222.endif
223	mkdir -p ${DESTDIR}${KODIR}
224	${INSTALL} -p -m 555 -o ${KMODOWN} -g ${KMODGRP} ${KERNEL_KO} ${DESTDIR}${KODIR}
225.if defined(DEBUG) && !defined(INSTALL_NODEBUG)
226	${INSTALL} -p -m 555 -o ${KMODOWN} -g ${KMODGRP} ${KERNEL_KO}.symbols ${DESTDIR}${KODIR}
227.endif
228.if defined(KERNEL_EXTRA_INSTALL)
229	${INSTALL} -p -m 555 -o ${KMODOWN} -g ${KMODGRP} ${KERNEL_EXTRA_INSTALL} ${DESTDIR}${KODIR}
230.endif
231
232
233
234kernel-reinstall:
235	@-chflags -R noschg ${DESTDIR}${KODIR}
236	${INSTALL} -p -m 555 -o ${KMODOWN} -g ${KMODGRP} ${KERNEL_KO} ${DESTDIR}${KODIR}
237.if defined(DEBUG) && !defined(INSTALL_NODEBUG)
238	${INSTALL} -p -m 555 -o ${KMODOWN} -g ${KMODGRP} ${KERNEL_KO}.symbols ${DESTDIR}${KODIR}
239.endif
240
241config.o env.o hints.o vers.o vnode_if.o:
242	${NORMAL_C}
243.if defined(CTFCONVERT)
244	${CTFCONVERT} ${CTFFLAGS} ${.TARGET}
245.endif
246
247config.ln env.ln hints.ln vers.ln vnode_if.ln:
248	${NORMAL_LINT}
249
250vers.c: $S/conf/newvers.sh $S/sys/param.h ${SYSTEM_DEP}
251	MAKE=${MAKE} sh $S/conf/newvers.sh ${KERN_IDENT}
252
253vnode_if.c: $S/tools/vnode_if.awk $S/kern/vnode_if.src
254	${AWK} -f $S/tools/vnode_if.awk $S/kern/vnode_if.src -c
255
256vnode_if.h vnode_if_newproto.h vnode_if_typedef.h: $S/tools/vnode_if.awk \
257    $S/kern/vnode_if.src
258vnode_if.h: vnode_if_newproto.h vnode_if_typedef.h
259	${AWK} -f $S/tools/vnode_if.awk $S/kern/vnode_if.src -h
260vnode_if_newproto.h:
261	${AWK} -f $S/tools/vnode_if.awk $S/kern/vnode_if.src -p
262vnode_if_typedef.h:
263	${AWK} -f $S/tools/vnode_if.awk $S/kern/vnode_if.src -q
264
265# XXX strictly, everything depends on Makefile because changes to ${PROF}
266# only appear there, but we don't handle that.
267
268.include "kern.mk"
269