Makefile.i386 revision 55120 
1# Makefile.i386 -- with config changes.
2# Copyright 1990 W. Jolitz
3#	from: @(#)Makefile.i386	7.1 5/10/91
4# $FreeBSD: head/sys/conf/Makefile.i386 55120 1999-12-26 17:07:15Z bde $
5#
6# Makefile for FreeBSD
7#
8# This makefile is constructed from a machine description:
9#	config machineid
10# Most changes should be made in the machine description
11#	/sys/i386/conf/``machineid''
12# after which you should do
13#	 config machineid
14# Generic makefile changes should be made in
15#	/sys/i386/conf/Makefile.i386
16# after which config should be rerun for all machines.
17#
18
19# Which version of config(8) is required.
20%VERSREQ=	400016
21
22# Can be overridden by makeoptions or /etc/make.conf
23KERNEL?=	kernel
24KERNFORMAT?=	elf
25STD8X16FONT?=	iso
26
27.if !defined(S)
28.if exists(./@/.)
29S=	./@
30.else
31S=	../..
32.endif
33.endif
34I386=	${S}/i386
35
36SIZE?=	size
37
38COPTFLAGS?=-O
39INCLUDES= -nostdinc -I- -I. -I$S
40# This hack is to allow kernel compiles to succeed on machines w/out srcdist
41.if exists($S/../include)
42INCLUDES+= -I$S/../include
43.else
44INCLUDES+= -I/usr/include
45.endif
46COPTS=	${INCLUDES} ${IDENT} -DKERNEL -include opt_global.h
47# KAME mandatory flags
48COPTS+=	-D_KERNEL
49CFLAGS=	${COPTFLAGS} ${CWARNFLAGS} ${DEBUG} ${COPTS}
50
51# XXX LOCORE means "don't declare C stuff" not "for locore.s".
52ASM_CFLAGS= -x assembler-with-cpp -DLOCORE ${CFLAGS}
53
54# Use the default object format for genassym, etc.
55GEN_CFLAGS= ${COPTFLAGS} ${CWARNFLAGS} ${DEBUG} ${COPTS} -UKERNEL
56
57# Select the correct set of tools. Can't set OBJFORMAT here because it
58# doesn't get exported into the environment, and if it were exported
59# then it might break building of genassym, etc.
60.if ${KERNFORMAT} == "elf"
61FMT=		-elf
62.else
63FMT=		-aout
64.endif
65CFLAGS+=	${FMT}
66
67LOAD_ADDRESS?=	C0100000
68DEFINED_PROF=	${PROF}
69.if defined(PROF)
70CFLAGS+=	-malign-functions=4
71.if ${PROFLEVEL} >= 2
72IDENT+=	-DGPROF4 -DGUPROF
73PROF+=	-mprofiler-epilogue
74.endif
75.endif
76
77# Put configuration-specific C flags last (except for ${PROF}) so that they
78# can override the others.
79CFLAGS+=	${CONF_CFLAGS}
80
81NORMAL_C= ${CC} -c ${CFLAGS} ${PROF} $<
82NORMAL_C_C= ${CC} -c ${CFLAGS} ${PROF} $<
83NORMAL_S= ${CC} -c ${ASM_CFLAGS} $<
84PROFILE_C= ${CC} -c ${CFLAGS} $<
85
86GEN_CFILES= ${I386}/i386/genassym.c
87# setdef0.c and setdef1.c are intentionally
88# omitted from SYSTEM_CFILES.  They include setdefs.h, a header which
89# is generated from all of ${OBJS}.  We don't want to have to compile
90# everything just to do a make depend.
91SYSTEM_CFILES= ioconf.c param.c vnode_if.c config.c
92SYSTEM_SFILES= ${I386}/i386/locore.s
93SYSTEM_DEP= Makefile ${SYSTEM_OBJS}
94
95.if ${KERNFORMAT} == aout || ${KERNFORMAT} == aoutkld
96SYSTEM_OBJS= locore.o vnode_if.o ${OBJS} ioconf.o param.o config.o
97SYSTEM_LD= @${LD} ${FMT} -Bforcedynamic -Z -T ${LOAD_ADDRESS} -o ${.TARGET} -X ${SYSTEM_OBJS} vers.o
98SYSTEM_LD_TAIL= @${SIZE} ${FMT} ${.TARGET} ; chmod 755 ${.TARGET}
99.endif
100
101.if ${KERNFORMAT} == elf
102SYSTEM_OBJS= locore.o setdef0.o vnode_if.o ${OBJS} ioconf.o param.o config.o \
103	setdef1.o hack.So
104SYSTEM_LD= @${LD} ${FMT} -Bdynamic -T $S/i386/conf/kernel.script \
105	-export-dynamic -dynamic-linker /red/herring \
106	-o ${.TARGET} -X ${SYSTEM_OBJS} vers.o
107SYSTEM_LD_TAIL= @${SIZE} ${FMT} ${.TARGET} ; chmod 755 ${.TARGET}
108SYSTEM_DEP+= $S/i386/conf/kernel.script
109.endif
110
111%BEFORE_DEPEND
112
113%OBJS
114
115%CFILES
116
117%SFILES
118
119%MFILES
120
121%CLEAN
122
123all: ${KERNEL}
124
125.if !defined(DEBUG)
126FULLKERNEL=	${KERNEL}
127.else
128FULLKERNEL=	${KERNEL}.debug
129${KERNEL}: ${FULLKERNEL}
130.if ${KERNFORMAT} == "elf"
131	objcopy --strip-debug ${FULLKERNEL} ${KERNEL}
132.else
133	cp ${FULLKERNEL} ${KERNEL}
134	strip -aout -d ${KERNEL}
135.endif
136.endif
137
138${FULLKERNEL}: ${SYSTEM_DEP} vers.o
139	@rm -f ${.TARGET}
140	@echo linking ${.TARGET}
141	${SYSTEM_LD}
142	${SYSTEM_LD_TAIL}
143
144.if !exists(.depend)
145${SYSTEM_OBJS}: vnode_if.h ${BEFORE_DEPEND:M*.h}
146.endif
147
148clean:
149	rm -f *.o *.so *.So *.ko *.s eddep errs genassym gensetdefs \
150	      ${KERNEL} ${FULLKERNEL} linterrs makelinks param.c \
151	      setdef[01].c setdefs.h symbols.exclude symbols.sort tags \
152	      vers.c vnode_if.c vnode_if.h ${CLEAN}
153
154#lint: /tmp param.c
155#	@lint -hbxn -DGENERIC -Dvolatile= ${COPTS} \
156#	  ${I386}/i386/Locore.c ${CFILES} ioconf.c param.c | \
157#	    grep -v 'struct/union .* never defined' | \
158#	    grep -v 'possible pointer alignment problem'
159
160locore.o: ${I386}/i386/locore.s assym.s
161	${NORMAL_S}
162
163.if ${KERNFORMAT} == elf
164# This is a hack.  BFD "optimizes" away dynamic mode if there are no
165# dynamic references.  We could probably do a '-Bforcedynamic' mode like
166# in the a.out ld.  For now, this works.
167hack.So: Makefile
168	touch hack.c
169	${CC} ${FMT} -shared -nostdlib hack.c -o hack.So
170	rm -f hack.c
171.endif
172
173.ORDER: setdefs.h setdef0.c setdef1.c
174
175setdef0.o: setdef0.c setdefs.h
176	${NORMAL_C}
177
178setdef1.o: setdef1.c setdefs.h
179	${NORMAL_C}
180
181setdef0.c setdef1.c setdefs.h: ${OBJS}
182	@gensetdefs ${OBJS}
183
184# this rule stops ./assym.s in .depend from causing problems
185./assym.s: assym.s
186
187assym.s: genassym
188	./genassym >assym.s
189
190genassym.o: ${I386}/i386/genassym.c
191	${CC} -c ${GEN_CFLAGS} ${I386}/i386/genassym.c
192
193genassym: genassym.o
194	${CC} ${GEN_CFLAGS} genassym.o -o ${.TARGET}
195
196${SYSTEM_OBJS} genassym.o vers.o: opt_global.h
197
198depend: assym.s param.c vnode_if.h ${BEFORE_DEPEND} \
199	    ${CFILES} ${SYSTEM_CFILES} ${GEN_CFILES} ${SFILES} ${SYSTEM_SFILES}
200	rm -f .newdep
201	mkdep -a -f .newdep ${CFLAGS} ${CFILES} ${SYSTEM_CFILES}
202	mkdep -a -f .newdep ${GEN_CFLAGS} ${GEN_CFILES}
203	env MKDEP_CPP="${CC} -E" \
204	    mkdep -a -f .newdep ${ASM_CFLAGS} ${SFILES} ${SYSTEM_SFILES}
205	rm -f .depend
206	mv -f .newdep .depend
207
208cleandepend:
209	rm -f .depend
210
211links:
212	egrep '#if' ${CFILES} | sed -f $S/conf/defines | \
213	  sed -e 's/:.*//' -e 's/\.c/.o/' | sort -u > dontlink
214	echo ${CFILES} | tr -s ' ' '\12' | sed 's/\.c/.o/' | \
215	  sort -u | comm -23 - dontlink | \
216	  sed 's,../.*/\(.*.o\),rm -f \1;ln -s ../GENERIC/\1 \1,' > makelinks
217	sh makelinks && rm -f dontlink
218
219tags:
220	@[ -f .depend ] || { echo "you must make depend first"; exit 1; }
221	sh $S/conf/systags.sh
222	rm -f tags1
223	sed -e 's,      ../,    ,' tags > tags1
224
225install install.debug:
226	@if [ ! -f ${KERNEL}${.TARGET:S/install//} ] ; then \
227		echo "You must build a kernel first." ; \
228		exit 1 ; \
229	fi
230.if exists(${DESTDIR}/${KERNEL})
231	-chflags noschg ${DESTDIR}/${KERNEL}
232	mv ${DESTDIR}/${KERNEL} ${DESTDIR}/${KERNEL}.old
233.endif
234	PATH=$${PATH}:/sbin:/usr/sbin; \
235	if [ `sysctl -n kern.bootfile` = ${DESTDIR}/${KERNEL} ] ; then \
236		sysctl -w kern.bootfile=${DESTDIR}/${KERNEL}.old ; \
237		if [ -f /var/db/kvm_${KERNEL}.db ] ; then \
238			mv -f /var/db/kvm_${KERNEL}.db /var/db/kvm_${KERNEL}.old.db ; \
239		fi \
240	fi
241	install -c -m 555 -o root -g wheel -fschg \
242		${KERNEL}${.TARGET:S/install//} ${DESTDIR}/${KERNEL}
243
244reinstall reinstall.debug:
245	install -c -m 555 -o root -g wheel -fschg \
246		${KERNEL}${.TARGET:S/reinstall//} ${DESTDIR}/${KERNEL}
247
248config.o:
249	${NORMAL_C}
250
251ioconf.o:
252	${NORMAL_C}
253
254param.c: $S/conf/param.c
255	-rm -f param.c
256	cp $S/conf/param.c .
257
258param.o:
259	${NORMAL_C}
260
261vers.c: $S/conf/newvers.sh $S/sys/param.h ${SYSTEM_DEP}
262	sh $S/conf/newvers.sh ${KERN_IDENT} ${IDENT}
263
264# XXX strictly, everything depends on Makefile because changes to ${PROF}
265# only appear there, but we don't handle that.
266vers.o:
267	${NORMAL_C}
268
269vnode_if.c: $S/kern/vnode_if.pl $S/kern/vnode_if.src
270	perl5 $S/kern/vnode_if.pl -c $S/kern/vnode_if.src
271
272vnode_if.h: $S/kern/vnode_if.pl $S/kern/vnode_if.src
273	perl5 $S/kern/vnode_if.pl -h $S/kern/vnode_if.src
274
275vnode_if.o:
276	${NORMAL_C}
277
278# Commented out for now pending a better solution.
279# How do we pick up compiler version specific flags??
280#.if exists($S/../share/mk)
281#.include "$S/../share/mk/bsd.kern.mk"
282#.else
283.include <bsd.kern.mk>
284#.endif
285
286%RULES
287
288# DO NOT DELETE THIS LINE -- make depend uses it
289