kern.post.mk revision 237090
1198090Srdivacky# $FreeBSD: head/sys/conf/kern.post.mk 237090 2012-06-14 19:30:31Z dougb $
2198090Srdivacky
3198090Srdivacky# Part of a unified Makefile for building kernels.  This part includes all
4198090Srdivacky# the definitions that need to be after all the % directives except %RULES
5198090Srdivacky# and ones that act like they are part of %RULES.
6198090Srdivacky#
7198090Srdivacky# Most make variables should not be defined in this file.  Instead, they
8198090Srdivacky# should be defined in the kern.pre.mk so that port makefiles can
9198090Srdivacky# override or augment them.
10198090Srdivacky
11198090Srdivacky# In case the config had a makeoptions DESTDIR...
12198090Srdivacky.if defined(DESTDIR)
13198090SrdivackyMKMODULESENV+=	DESTDIR="${DESTDIR}"
14202375Srdivacky.endif
15198090SrdivackySYSDIR?= ${S:C;^[^/];${.CURDIR}/&;}
16218893SdimMKMODULESENV+=	KERNBUILDDIR="${.CURDIR}" SYSDIR="${SYSDIR}"
17198090Srdivacky
18198090Srdivacky.if defined(CONF_CFLAGS)
19198090SrdivackyMKMODULESENV+=	CONF_CFLAGS="${CONF_CFLAGS}"
20198090Srdivacky.endif
21198090Srdivacky
22198090Srdivacky.if defined(WITH_CTF)
23198090SrdivackyMKMODULESENV+=	WITH_CTF="${WITH_CTF}"
24198090Srdivacky.endif
25198090Srdivacky
26198090Srdivacky.MAIN: all
27198090Srdivacky
28198090Srdivacky.for target in all clean cleandepend cleandir clobber depend install \
29198090Srdivacky    obj reinstall tags
30198090Srdivacky${target}: kernel-${target}
31198090Srdivacky.if !defined(MODULES_WITH_WORLD) && !defined(NO_MODULES) && exists($S/modules)
32198090Srdivacky${target}: modules-${target}
33198090Srdivackymodules-${target}:
34198090Srdivacky	cd $S/modules; ${MKMODULESENV} ${MAKE} \
35198090Srdivacky	    ${target:S/^reinstall$/install/:S/^clobber$/cleandir/}
36198090Srdivacky.endif
37198090Srdivacky.endfor
38198090Srdivacky
39198090Srdivacky# Handle ports (as defined by the user) that build kernel modules
40198090Srdivacky.if !defined(NO_MODULES) && defined(PORTS_MODULES)
41198090Srdivacky#
42198090Srdivacky# The ports tree needs some environment variables defined to match the new kernel
43198090Srdivacky#
44198090Srdivacky# Ports search for some dependencies in PATH, so add the location of the installed files
45198090SrdivackyLOCALBASE?=	/usr/local
46198090Srdivacky# SRC_BASE is how the ports tree refers to the location of the base source files
47198090Srdivacky.if !defined(SRC_BASE)
48198090SrdivackySRC_BASE!=	realpath "${SYSDIR:H}/"
49198090Srdivacky.endif
50198090Srdivacky# OSVERSION is used by some ports to determine build options
51198090Srdivacky.if !defined(OSRELDATE)
52198090Srdivacky# Definition copied from src/Makefile.inc1
53198090SrdivackyOSRELDATE!=	awk '/^\#define[[:space:]]*__FreeBSD_version/ { print $$3 }' \
54198090Srdivacky		    ${MAKEOBJDIRPREFIX}${SRC_BASE}/include/osreldate.h
55198090Srdivacky.endif
56198090Srdivacky# Keep the related ports builds in the obj directory so that they are only rebuilt once per kernel build
57198090SrdivackyWRKDIRPREFIX?=	${MAKEOBJDIRPREFIX}${SRC_BASE}/sys/${KERNCONF}
58198090SrdivackyPORTSMODULESENV=\
59198090Srdivacky	PATH=${PATH}:${LOCALBASE}/bin:${LOCALBASE}/sbin \
60198090Srdivacky	SRC_BASE=${SRC_BASE} \
61203954Srdivacky	OSVERSION=${OSRELDATE} \
62198090Srdivacky	WRKDIRPREFIX=${WRKDIRPREFIX}
63198090Srdivacky.for __target in all install reinstall clean
64198090Srdivacky${__target}: ports-${__target}
65198090Srdivackyports-${__target}:
66198090Srdivacky.for __i in ${PORTS_MODULES}
67203954Srdivacky	cd $${PORTSDIR:-/usr/ports}/${__i}; ${PORTSMODULESENV} ${MAKE} -B ${__target:C/install/deinstall reinstall/:C/reinstall/deinstall reinstall/}
68198090Srdivacky.endfor
69198090Srdivacky.endfor
70198090Srdivacky.endif
71198090Srdivacky
72198090Srdivacky.ORDER: kernel-install modules-install
73198090Srdivacky
74198090Srdivackykernel-all: ${KERNEL_KO} ${KERNEL_EXTRA}
75198090Srdivacky
76198090Srdivackykernel-cleandir: kernel-clean kernel-cleandepend
77198090Srdivacky
78198090Srdivackykernel-clobber:
79198090Srdivacky	find . -maxdepth 1 ! -type d ! -name version -delete
80198090Srdivacky
81198090Srdivackykernel-obj:
82198090Srdivacky
83198090Srdivacky.if !defined(MODULES_WITH_WORLD) && !defined(NO_MODULES) && exists($S/modules)
84198090Srdivackymodules: modules-all
85198090Srdivacky
86198090Srdivacky.if !defined(NO_MODULES_OBJ)
87198090Srdivackymodules-all modules-depend: modules-obj
88198090Srdivacky.endif
89198090Srdivacky.endif
90198090Srdivacky
91198090Srdivacky.if !defined(DEBUG)
92198090SrdivackyFULLKERNEL=	${KERNEL_KO}
93198090Srdivacky.else
94198090SrdivackyFULLKERNEL=	${KERNEL_KO}.debug
95202375Srdivacky${KERNEL_KO}: ${FULLKERNEL} ${KERNEL_KO}.symbols
96202375Srdivacky	${OBJCOPY} --strip-debug --add-gnu-debuglink=${KERNEL_KO}.symbols\
97202375Srdivacky	    ${FULLKERNEL} ${.TARGET}
98202375Srdivacky${KERNEL_KO}.symbols: ${FULLKERNEL}
99202375Srdivacky	${OBJCOPY} --only-keep-debug ${FULLKERNEL} ${.TARGET}
100202375Srdivackyinstall.debug reinstall.debug: gdbinit
101202375Srdivacky	cd ${.CURDIR}; ${MAKE} ${.TARGET:R}
102
103# Install gdbinit files for kernel debugging.
104gdbinit:
105	grep -v '# XXX' ${S}/../tools/debugscripts/dot.gdbinit | \
106	    sed "s:MODPATH:${.OBJDIR}/modules:" > .gdbinit
107	cp ${S}/../tools/debugscripts/gdbinit.kernel ${.CURDIR}
108.if exists(${S}/../tools/debugscripts/gdbinit.${MACHINE_CPUARCH})
109	cp ${S}/../tools/debugscripts/gdbinit.${MACHINE_CPUARCH} \
110	    ${.CURDIR}/gdbinit.machine
111.endif
112.endif
113
114${FULLKERNEL}: ${SYSTEM_DEP} vers.o
115	@rm -f ${.TARGET}
116	@echo linking ${.TARGET}
117	${SYSTEM_LD}
118.if ${MK_CTF} != "no"
119	${CTFMERGE} ${CTFFLAGS} -o ${.TARGET} ${SYSTEM_OBJS} vers.o
120.endif
121.if !defined(DEBUG)
122	${OBJCOPY} --strip-debug ${.TARGET}
123.endif
124	${SYSTEM_LD_TAIL}
125.if defined(MFS_IMAGE)
126	@sh ${S}/tools/embed_mfs.sh ${FULLKERNEL} ${MFS_IMAGE}
127.endif
128
129.if !exists(${.OBJDIR}/.depend)
130${SYSTEM_OBJS}: assym.s vnode_if.h ${BEFORE_DEPEND:M*.h} ${MFILES:T:S/.m$/.h/}
131.endif
132
133LNFILES=	${CFILES:T:S/.c$/.ln/}
134
135.for mfile in ${MFILES}
136# XXX the low quality .m.o rules gnerated by config are normally used
137# instead of the .m.c rules here.
138${mfile:T:S/.m$/.c/}: ${mfile}
139	${AWK} -f $S/tools/makeobjops.awk ${mfile} -c
140${mfile:T:S/.m$/.h/}: ${mfile}
141	${AWK} -f $S/tools/makeobjops.awk ${mfile} -h
142.endfor
143
144kernel-clean:
145	rm -f *.o *.so *.So *.ko *.s eddep errs \
146	    ${FULLKERNEL} ${KERNEL_KO} ${KERNEL_KO}.symbols \
147	    linterrs makelinks tags vers.c \
148	    vnode_if.c vnode_if.h vnode_if_newproto.h vnode_if_typedef.h \
149	    ${MFILES:T:S/.m$/.c/} ${MFILES:T:S/.m$/.h/} \
150	    ${CLEAN}
151
152lint: ${LNFILES}
153	${LINT} ${LINTKERNFLAGS} ${CFLAGS:M-[DILU]*} ${.ALLSRC} 2>&1 | \
154	    tee -a linterrs
155
156# This is a hack.  BFD "optimizes" away dynamic mode if there are no
157# dynamic references.  We could probably do a '-Bforcedynamic' mode like
158# in the a.out ld.  For now, this works.
159HACK_EXTRA_FLAGS?= -shared
160hack.So: Makefile
161	:> hack.c
162	${CC} ${HACK_EXTRA_FLAGS} -nostdlib hack.c -o hack.So
163	rm -f hack.c
164
165# This rule stops ./assym.s in .depend from causing problems.
166./assym.s: assym.s
167
168assym.s: $S/kern/genassym.sh genassym.o
169	NM='${NM}' sh $S/kern/genassym.sh genassym.o > ${.TARGET}
170
171genassym.o: $S/$M/$M/genassym.c
172	${CC} -c ${CFLAGS:N-fno-common} $S/$M/$M/genassym.c
173
174${SYSTEM_OBJS} genassym.o vers.o: opt_global.h
175
176# We have "special" -I include paths for opensolaris/zfs files in 'depend'.
177CFILES_NOZFS=	${CFILES:N*/opensolaris/*}
178SFILES_NOZFS=	${SFILES:N*/opensolaris/*}
179CFILES_ZFS=	${CFILES:M*/opensolaris/*}
180SFILES_ZFS=	${SFILES:M*/opensolaris/*}
181
182kernel-depend: .depend
183# The argument list can be very long, so use make -V and xargs to
184# pass it to mkdep.
185SRCS=	assym.s vnode_if.h ${BEFORE_DEPEND} ${CFILES} \
186	${SYSTEM_CFILES} ${GEN_CFILES} ${SFILES} \
187	${MFILES:T:S/.m$/.h/}
188.depend: .PRECIOUS ${SRCS}
189	rm -f .newdep
190	${MAKE} -V CFILES_NOZFS -V SYSTEM_CFILES -V GEN_CFILES | \
191	    MKDEP_CPP="${CC} -E" CC="${CC}" xargs mkdep -a -f .newdep ${CFLAGS}
192	${MAKE} -V CFILES_ZFS | \
193	    MKDEP_CPP="${CC} -E" CC="${CC}" xargs mkdep -a -f .newdep ${ZFS_CFLAGS}
194	${MAKE} -V SFILES_NOZFS | \
195	    MKDEP_CPP="${CC} -E" xargs mkdep -a -f .newdep ${ASM_CFLAGS}
196	${MAKE} -V SFILES_ZFS | \
197	    MKDEP_CPP="${CC} -E" xargs mkdep -a -f .newdep ${ZFS_ASM_CFLAGS}
198	rm -f .depend
199	mv .newdep .depend
200
201_ILINKS= machine
202.if ${MACHINE} != ${MACHINE_CPUARCH}
203_ILINKS+= ${MACHINE_CPUARCH}
204.endif
205.if ${MACHINE_CPUARCH} == "i386" || ${MACHINE_CPUARCH} == "amd64"
206_ILINKS+= x86
207.endif
208
209# Ensure that the link exists without depending on it when it exists.
210.for _link in ${_ILINKS}
211.if !exists(${.OBJDIR}/${_link})
212${SRCS}: ${_link}
213.endif
214.endfor
215
216${_ILINKS}:
217	@case ${.TARGET} in \
218	machine) \
219		path=${S}/${MACHINE}/include ;; \
220	*) \
221		path=${S}/${.TARGET}/include ;; \
222	esac ; \
223	${ECHO} ${.TARGET} "->" $$path ; \
224	ln -s $$path ${.TARGET}
225
226# .depend needs include links so we remove them only together.
227kernel-cleandepend:
228	rm -f .depend ${_ILINKS}
229
230links:
231	egrep '#if' ${CFILES} | sed -f $S/conf/defines | \
232	    sed -e 's/:.*//' -e 's/\.c/.o/' | sort -u > dontlink
233	${MAKE} -V CFILES | tr -s ' ' '\12' | sed 's/\.c/.o/' | \
234	    sort -u | comm -23 - dontlink | \
235	    sed 's,../.*/\(.*.o\),rm -f \1;ln -s ../GENERIC/\1 \1,' > makelinks
236	sh makelinks; rm -f dontlink
237
238kernel-tags:
239	@[ -f .depend ] || { echo "you must make depend first"; exit 1; }
240	sh $S/conf/systags.sh
241
242kernel-install:
243	@if [ ! -f ${KERNEL_KO} ] ; then \
244		echo "You must build a kernel first." ; \
245		exit 1 ; \
246	fi
247.if exists(${DESTDIR}${KODIR})
248	-thiskernel=`sysctl -n kern.bootfile` ; \
249	if [ ! "`dirname "$$thiskernel"`" -ef ${DESTDIR}${KODIR} ] ; then \
250		chflags -R noschg ${DESTDIR}${KODIR} ; \
251		rm -rf ${DESTDIR}${KODIR} ; \
252	else \
253		if [ -d ${DESTDIR}${KODIR}.old ] ; then \
254			chflags -R noschg ${DESTDIR}${KODIR}.old ; \
255			rm -rf ${DESTDIR}${KODIR}.old ; \
256		fi ; \
257		mv ${DESTDIR}${KODIR} ${DESTDIR}${KODIR}.old ; \
258		sysctl kern.bootfile=${DESTDIR}${KODIR}.old/"`basename "$$thiskernel"`" ; \
259	fi
260.endif
261	mkdir -p ${DESTDIR}${KODIR}
262	${INSTALL} -p -m 555 -o ${KMODOWN} -g ${KMODGRP} ${KERNEL_KO} ${DESTDIR}${KODIR}
263.if defined(DEBUG) && !defined(INSTALL_NODEBUG) && \
264    (defined(MK_KERNEL_SYMBOLS) && ${MK_KERNEL_SYMBOLS} != "no")
265	${INSTALL} -p -m 555 -o ${KMODOWN} -g ${KMODGRP} ${KERNEL_KO}.symbols ${DESTDIR}${KODIR}
266.endif
267.if defined(KERNEL_EXTRA_INSTALL)
268	${INSTALL} -p -m 555 -o ${KMODOWN} -g ${KMODGRP} ${KERNEL_EXTRA_INSTALL} ${DESTDIR}${KODIR}
269.endif
270
271
272
273kernel-reinstall:
274	@-chflags -R noschg ${DESTDIR}${KODIR}
275	${INSTALL} -p -m 555 -o ${KMODOWN} -g ${KMODGRP} ${KERNEL_KO} ${DESTDIR}${KODIR}
276.if defined(DEBUG) && !defined(INSTALL_NODEBUG) && \
277    (defined(MK_KERNEL_SYMBOLS) && ${MK_KERNEL_SYMBOLS} != "no")
278	${INSTALL} -p -m 555 -o ${KMODOWN} -g ${KMODGRP} ${KERNEL_KO}.symbols ${DESTDIR}${KODIR}
279.endif
280
281config.o env.o hints.o vers.o vnode_if.o:
282	${NORMAL_C}
283	${NORMAL_CTFCONVERT}
284
285config.ln env.ln hints.ln vers.ln vnode_if.ln:
286	${NORMAL_LINT}
287
288vers.c: $S/conf/newvers.sh $S/sys/param.h ${SYSTEM_DEP}
289	MAKE=${MAKE} sh $S/conf/newvers.sh ${KERN_IDENT}
290
291vnode_if.c: $S/tools/vnode_if.awk $S/kern/vnode_if.src
292	${AWK} -f $S/tools/vnode_if.awk $S/kern/vnode_if.src -c
293
294vnode_if.h vnode_if_newproto.h vnode_if_typedef.h: $S/tools/vnode_if.awk \
295    $S/kern/vnode_if.src
296vnode_if.h: vnode_if_newproto.h vnode_if_typedef.h
297	${AWK} -f $S/tools/vnode_if.awk $S/kern/vnode_if.src -h
298vnode_if_newproto.h:
299	${AWK} -f $S/tools/vnode_if.awk $S/kern/vnode_if.src -p
300vnode_if_typedef.h:
301	${AWK} -f $S/tools/vnode_if.awk $S/kern/vnode_if.src -q
302
303# XXX strictly, everything depends on Makefile because changes to ${PROF}
304# only appear there, but we don't handle that.
305
306.include "kern.mk"
307