Makefile.i386 revision 51898 
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 51898 1999-10-03 07:09:31Z 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 exists(./@/.)
28S=	./@
29.else
30S=	../..
31.endif
32I386=	${S}/i386
33
34COPTFLAGS?=-O
35INCLUDES= -nostdinc -I- -I. -I$S
36# This hack is to allow kernel compiles to succeed on machines w/out srcdist
37.if exists($S/../include)
38INCLUDES+= -I$S/../include
39.else
40INCLUDES+= -I/usr/include
41.endif
42COPTS=	${INCLUDES} ${IDENT} -DKERNEL -include opt_global.h 
43CFLAGS=	${COPTFLAGS} ${CWARNFLAGS} ${DEBUG} ${COPTS}
44
45# XXX LOCORE means "don't declare C stuff" not "for locore.s".
46ASM_CFLAGS= -x assembler-with-cpp -DLOCORE ${CFLAGS}
47
48# Use the default object format for genassym, etc.
49GEN_CFLAGS= ${COPTFLAGS} ${CWARNFLAGS} ${DEBUG} ${COPTS} -UKERNEL
50
51# Select the correct set of tools. Can't set OBJFORMAT here because it
52# doesn't get exported into the environment, and if it were exported
53# then it might break building of genassym, etc.
54.if ${KERNFORMAT} == "elf"
55CFLAGS+=	-elf
56.else
57CFLAGS+=	-aout
58.endif
59
60LOAD_ADDRESS?=	C0100000
61DEFINED_PROF=	${PROF}
62.if defined(PROF)
63CFLAGS+=	-malign-functions=4
64.if ${PROFLEVEL} >= 2
65IDENT+=	-DGPROF4 -DGUPROF
66PROF+=	-mprofiler-epilogue
67.endif
68.endif
69
70# Put configuration-specific C flags last (except for ${PROF}) so that they
71# can override the others.
72CFLAGS+=	${CONF_CFLAGS}
73
74NORMAL_C= ${CC} -c ${CFLAGS} ${PROF} $<
75NORMAL_C_C= ${CC} -c ${CFLAGS} ${PROF} $<
76NORMAL_S= ${CC} -c ${ASM_CFLAGS} $<
77PROFILE_C= ${CC} -c ${CFLAGS} $<
78
79GEN_CFILES= ${I386}/i386/genassym.c
80# setdef0.c and setdef1.c are intentionally
81# omitted from SYSTEM_CFILES.  They include setdefs.h, a header which
82# is generated from all of ${OBJS}.  We don't want to have to compile
83# everything just to do a make depend.
84SYSTEM_CFILES= ioconf.c param.c vnode_if.c config.c
85SYSTEM_SFILES= ${I386}/i386/locore.s
86SYSTEM_DEP= Makefile symbols.exclude symbols.sort ${SYSTEM_OBJS}
87.if ${CFLAGS:M-g} == ""
88SYMORDER_EXCLUDE=-x symbols.exclude
89.endif
90
91.if ${KERNFORMAT} == aout || ${KERNFORMAT} == aoutkld
92SYSTEM_OBJS= locore.o vnode_if.o ${OBJS} ioconf.o param.o config.o
93SYSTEM_LD= @${LD} -aout -Bforcedynamic -Z -T ${LOAD_ADDRESS} -o ${.TARGET} -X ${SYSTEM_OBJS} vers.o
94SYSTEM_LD_TAIL= @echo rearranging symbols; \
95	symorder -m ${SYMORDER_EXCLUDE} symbols.sort ${.TARGET}; \
96	size -aout ${.TARGET} ; chmod 755 ${.TARGET}
97.endif
98
99.if ${KERNFORMAT} == elf
100SYSTEM_OBJS= locore.o setdef0.o vnode_if.o ${OBJS} ioconf.o param.o config.o \
101	setdef1.o hack.So
102SYSTEM_LD= @${LD} -elf -Bdynamic -T $S/i386/conf/kernel.script \
103	-export-dynamic -dynamic-linker /red/herring \
104	-o ${.TARGET} -X ${SYSTEM_OBJS} vers.o
105SYSTEM_LD_TAIL= @size -elf ${.TARGET} ; chmod 755 ${.TARGET}
106SYSTEM_DEP+= $S/i386/conf/kernel.script
107.endif
108
109%BEFORE_DEPEND
110
111%OBJS
112
113%CFILES
114
115%SFILES
116
117%MFILES
118
119%CLEAN
120
121all:	${KERNEL}
122
123.if !defined(DEBUG)
124FULLKERNEL=	${KERNEL}
125.else
126FULLKERNEL=	${KERNEL}.debug
127${KERNEL}:	${FULLKERNEL}
128.if ${KERNFORMAT} == "elf"
129	objcopy --strip-debug ${FULLKERNEL} ${KERNEL}
130.else
131	cp ${FULLKERNEL} ${KERNEL}
132	strip -d ${KERNEL}
133.endif
134.endif
135
136${FULLKERNEL}:	${BEFORE_DEPEND} ${SYSTEM_DEP} vers.o
137	@rm -f ${.TARGET}
138	@echo linking ${.TARGET}
139	${SYSTEM_LD}
140	${SYSTEM_LD_TAIL}
141
142.if !exists(.depend)
143${SYSTEM_OBJS}: vnode_if.h ${BEFORE_DEPEND:M*.h}
144.endif
145
146clean:
147	rm -f *.o *.so *.So *.ko *.s eddep errs genassym gensetdefs \
148	      ${KERNEL} ${FULLKERNEL} linterrs makelinks param.c \
149	      setdef[01].c setdefs.h symbols.exclude symbols.sort tags \
150	      vers.c vnode_if.c vnode_if.h ${CLEAN}
151
152#lint: /tmp param.c
153#	@lint -hbxn -DGENERIC -Dvolatile= ${COPTS} \
154#	  ${I386}/i386/Locore.c ${CFILES} ioconf.c param.c | \
155#	    grep -v 'struct/union .* never defined' | \
156#	    grep -v 'possible pointer alignment problem'
157
158symbols.exclude:
159	echo "gcc2_compiled." >symbols.exclude
160	echo "___gnu_compiled_c" >>symbols.exclude
161
162symbols.sort: ${I386}/i386/symbols.raw
163	grep -v '^#' ${I386}/i386/symbols.raw \
164	    | sed 's/^	//' | sort -u > symbols.sort
165
166locore.o: ${I386}/i386/locore.s assym.s
167	${NORMAL_S}
168
169.if ${KERNFORMAT} == elf
170# This is a hack.  BFD "optimizes" away dynamic mode if there are no
171# dynamic references.  We could probably do a '-Bforcedynamic' mode like
172# in the a.out ld.  For now, this works.
173hack.So: Makefile
174	touch hack.c
175	${CC} -elf -shared -nostdlib hack.c -o hack.So
176	rm -f hack.c
177.endif
178
179.ORDER: setdefs.h setdef0.c setdef1.c
180
181setdef0.o: setdef0.c setdefs.h
182	${NORMAL_C}
183
184setdef1.o: setdef1.c setdefs.h
185	${NORMAL_C}
186
187setdef0.c setdef1.c setdefs.h: ${OBJS}
188	@gensetdefs ${OBJS}
189
190# this rule stops ./assym.s in .depend from causing problems
191./assym.s: assym.s
192
193assym.s: genassym
194	./genassym >assym.s
195
196genassym.o: ${I386}/i386/genassym.c
197	${CC} -c ${GEN_CFLAGS} ${I386}/i386/genassym.c
198
199genassym: genassym.o
200	${CC} ${GEN_CFLAGS} genassym.o -o ${.TARGET}
201
202${SYSTEM_OBJS} genassym.o vers.o: opt_global.h
203
204depend: assym.s param.c vnode_if.h ${BEFORE_DEPEND}
205	rm -f .newdep
206	mkdep -a -f .newdep ${CFLAGS} ${CFILES} ${SYSTEM_CFILES}
207	mkdep -a -f .newdep ${GEN_CFLAGS} ${GEN_CFILES}
208	env MKDEP_CPP="${CC} -E" \
209	    mkdep -a -f .newdep ${ASM_CFLAGS} ${SFILES} ${SYSTEM_SFILES}
210	rm -f .depend
211	mv -f .newdep .depend
212
213cleandepend:
214	rm -f .depend
215
216links:
217	egrep '#if' ${CFILES} | sed -f $S/conf/defines | \
218	  sed -e 's/:.*//' -e 's/\.c/.o/' | sort -u > dontlink
219	echo ${CFILES} | tr -s ' ' '\12' | sed 's/\.c/.o/' | \
220	  sort -u | comm -23 - dontlink | \
221	  sed 's,../.*/\(.*.o\),rm -f \1;ln -s ../GENERIC/\1 \1,' > makelinks
222	sh makelinks && rm -f dontlink
223
224tags:
225	@[ -f .depend ] || { echo "you must make depend first"; exit 1; }
226	sh $S/conf/systags.sh
227	rm -f tags1
228	sed -e 's,      ../,    ,' tags > tags1
229
230install install.debug:
231	@if [ ! -f ${KERNEL}${.TARGET:S/install//} ] ; then \
232		echo "You must first build a kernel first." ; \
233		exit 1 ; \
234	fi
235.if exists(${DESTDIR}/${KERNEL})
236	-chflags noschg ${DESTDIR}/${KERNEL}
237	mv ${DESTDIR}/${KERNEL} ${DESTDIR}/${KERNEL}.old
238.endif
239	PATH=$${PATH}:/sbin:/usr/sbin; \
240	if [ `sysctl -n kern.bootfile` = ${DESTDIR}/${KERNEL} ] ; then \
241		sysctl -w kern.bootfile=${DESTDIR}/${KERNEL}.old ; \
242		if [ -f /var/db/kvm_${KERNEL}.db ] ; then \
243			mv -f /var/db/kvm_${KERNEL}.db /var/db/kvm_${KERNEL}.old.db ; \
244		fi \
245	fi
246	install -c -m 555 -o root -g wheel -fschg \
247		${KERNEL}${.TARGET:S/install//} ${DESTDIR}/${KERNEL}
248
249reinstall reinstall.debug:
250	install -c -m 555 -o root -g wheel -fschg \
251		${KERNEL}${.TARGET:S/reinstall//} ${DESTDIR}/${KERNEL}
252
253config.o:
254	${NORMAL_C}
255
256ioconf.o:
257	${NORMAL_C}
258
259param.c: $S/conf/param.c
260	-rm -f param.c
261	cp $S/conf/param.c .
262
263param.o:
264	${NORMAL_C}
265
266vers.c: $S/conf/newvers.sh $S/sys/param.h ${SYSTEM_DEP}
267	sh $S/conf/newvers.sh ${KERN_IDENT} ${IDENT}
268
269# XXX strictly, everything depends on Makefile because changes to ${PROF}
270# only appear there, but we don't handle that.
271vers.o:
272	${NORMAL_C}
273
274.ORDER: vnode_if.c vnode_if.h
275vnode_if.c vnode_if.h: $S/kern/vnode_if.sh $S/kern/vnode_if.src
276	sh $S/kern/vnode_if.sh $S/kern/vnode_if.src
277
278vnode_if.o:
279	${NORMAL_C}
280
281.if exists($S/../share/mk)
282.include "$S/../share/mk/bsd.kern.mk"
283.else
284.include <bsd.kern.mk>
285.endif
286
287%RULES
288
289# DO NOT DELETE THIS LINE -- make depend uses it
290