Makefile.i386 revision 53368 
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 53368 1999-11-18 09:54:11Z peter $
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=	${S}/i386
35
36COPTFLAGS?=-O
37INCLUDES= -nostdinc -I- -I. -I$S
38# This hack is to allow kernel compiles to succeed on machines w/out srcdist
39.if exists($S/../include)
40INCLUDES+= -I$S/../include
41.else
42INCLUDES+= -I/usr/include
43.endif
44COPTS=	${INCLUDES} ${IDENT} -DKERNEL -include opt_global.h 
45CFLAGS=	${COPTFLAGS} ${CWARNFLAGS} ${DEBUG} ${COPTS}
46
47# XXX LOCORE means "don't declare C stuff" not "for locore.s".
48ASM_CFLAGS= -x assembler-with-cpp -DLOCORE ${CFLAGS}
49
50# Use the default object format for genassym, etc.
51GEN_CFLAGS= ${COPTFLAGS} ${CWARNFLAGS} ${DEBUG} ${COPTS} -UKERNEL
52
53# Select the correct set of tools. Can't set OBJFORMAT here because it
54# doesn't get exported into the environment, and if it were exported
55# then it might break building of genassym, etc.
56.if ${KERNFORMAT} == "elf"
57CFLAGS+=	-elf
58.else
59CFLAGS+=	-aout
60.endif
61
62LOAD_ADDRESS?=	C0100000
63DEFINED_PROF=	${PROF}
64.if defined(PROF)
65CFLAGS+=	-malign-functions=4
66.if ${PROFLEVEL} >= 2
67IDENT+=	-DGPROF4 -DGUPROF
68PROF+=	-mprofiler-epilogue
69.endif
70.endif
71
72# Put configuration-specific C flags last (except for ${PROF}) so that they
73# can override the others.
74CFLAGS+=	${CONF_CFLAGS}
75
76NORMAL_C= ${CC} -c ${CFLAGS} ${PROF} $<
77NORMAL_C_C= ${CC} -c ${CFLAGS} ${PROF} $<
78NORMAL_S= ${CC} -c ${ASM_CFLAGS} $<
79PROFILE_C= ${CC} -c ${CFLAGS} $<
80
81GEN_CFILES= ${I386}/i386/genassym.c
82# setdef0.c and setdef1.c are intentionally
83# omitted from SYSTEM_CFILES.  They include setdefs.h, a header which
84# is generated from all of ${OBJS}.  We don't want to have to compile
85# everything just to do a make depend.
86SYSTEM_CFILES= ioconf.c param.c vnode_if.c config.c
87SYSTEM_SFILES= ${I386}/i386/locore.s
88SYSTEM_DEP= Makefile symbols.exclude symbols.sort ${SYSTEM_OBJS}
89.if ${CFLAGS:M-g} == ""
90SYMORDER_EXCLUDE=-x symbols.exclude
91.endif
92
93.if ${KERNFORMAT} == aout || ${KERNFORMAT} == aoutkld
94SYSTEM_OBJS= locore.o vnode_if.o ${OBJS} ioconf.o param.o config.o
95SYSTEM_LD= @${LD} -aout -Bforcedynamic -Z -T ${LOAD_ADDRESS} -o ${.TARGET} -X ${SYSTEM_OBJS} vers.o
96SYSTEM_LD_TAIL= @echo rearranging symbols; \
97	symorder -m ${SYMORDER_EXCLUDE} symbols.sort ${.TARGET}; \
98	size -aout ${.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} -elf -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 -elf ${.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 -d ${KERNEL}
135.endif
136.endif
137
138${FULLKERNEL}:	${BEFORE_DEPEND} ${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
160symbols.exclude:
161	echo "gcc2_compiled." >symbols.exclude
162	echo "___gnu_compiled_c" >>symbols.exclude
163
164symbols.sort: ${I386}/i386/symbols.raw
165	grep -v '^#' ${I386}/i386/symbols.raw \
166	    | sed 's/^	//' | sort -u > symbols.sort
167
168locore.o: ${I386}/i386/locore.s assym.s
169	${NORMAL_S}
170
171.if ${KERNFORMAT} == elf
172# This is a hack.  BFD "optimizes" away dynamic mode if there are no
173# dynamic references.  We could probably do a '-Bforcedynamic' mode like
174# in the a.out ld.  For now, this works.
175hack.So: Makefile
176	touch hack.c
177	${CC} -elf -shared -nostdlib hack.c -o hack.So
178	rm -f hack.c
179.endif
180
181.ORDER: setdefs.h setdef0.c setdef1.c
182
183setdef0.o: setdef0.c setdefs.h
184	${NORMAL_C}
185
186setdef1.o: setdef1.c setdefs.h
187	${NORMAL_C}
188
189setdef0.c setdef1.c setdefs.h: ${OBJS}
190	@gensetdefs ${OBJS}
191
192# this rule stops ./assym.s in .depend from causing problems
193./assym.s: assym.s
194
195assym.s: genassym
196	./genassym >assym.s
197
198genassym.o: ${I386}/i386/genassym.c
199	${CC} -c ${GEN_CFLAGS} ${I386}/i386/genassym.c
200
201genassym: genassym.o
202	${CC} ${GEN_CFLAGS} genassym.o -o ${.TARGET}
203
204${SYSTEM_OBJS} genassym.o vers.o: opt_global.h
205
206depend: assym.s param.c vnode_if.h ${BEFORE_DEPEND}
207	rm -f .newdep
208	mkdep -a -f .newdep ${CFLAGS} ${CFILES} ${SYSTEM_CFILES}
209	mkdep -a -f .newdep ${GEN_CFLAGS} ${GEN_CFILES}
210	env MKDEP_CPP="${CC} -E" \
211	    mkdep -a -f .newdep ${ASM_CFLAGS} ${SFILES} ${SYSTEM_SFILES}
212	rm -f .depend
213	mv -f .newdep .depend
214
215cleandepend:
216	rm -f .depend
217
218links:
219	egrep '#if' ${CFILES} | sed -f $S/conf/defines | \
220	  sed -e 's/:.*//' -e 's/\.c/.o/' | sort -u > dontlink
221	echo ${CFILES} | tr -s ' ' '\12' | sed 's/\.c/.o/' | \
222	  sort -u | comm -23 - dontlink | \
223	  sed 's,../.*/\(.*.o\),rm -f \1;ln -s ../GENERIC/\1 \1,' > makelinks
224	sh makelinks && rm -f dontlink
225
226tags:
227	@[ -f .depend ] || { echo "you must make depend first"; exit 1; }
228	sh $S/conf/systags.sh
229	rm -f tags1
230	sed -e 's,      ../,    ,' tags > tags1
231
232install install.debug:
233	@if [ ! -f ${KERNEL}${.TARGET:S/install//} ] ; then \
234		echo "You must build a kernel first." ; \
235		exit 1 ; \
236	fi
237.if exists(${DESTDIR}/${KERNEL})
238	-chflags noschg ${DESTDIR}/${KERNEL}
239	mv ${DESTDIR}/${KERNEL} ${DESTDIR}/${KERNEL}.old
240.endif
241	PATH=$${PATH}:/sbin:/usr/sbin; \
242	if [ `sysctl -n kern.bootfile` = ${DESTDIR}/${KERNEL} ] ; then \
243		sysctl -w kern.bootfile=${DESTDIR}/${KERNEL}.old ; \
244		if [ -f /var/db/kvm_${KERNEL}.db ] ; then \
245			mv -f /var/db/kvm_${KERNEL}.db /var/db/kvm_${KERNEL}.old.db ; \
246		fi \
247	fi
248	install -c -m 555 -o root -g wheel -fschg \
249		${KERNEL}${.TARGET:S/install//} ${DESTDIR}/${KERNEL}
250
251reinstall reinstall.debug:
252	install -c -m 555 -o root -g wheel -fschg \
253		${KERNEL}${.TARGET:S/reinstall//} ${DESTDIR}/${KERNEL}
254
255config.o:
256	${NORMAL_C}
257
258ioconf.o:
259	${NORMAL_C}
260
261param.c: $S/conf/param.c
262	-rm -f param.c
263	cp $S/conf/param.c .
264
265param.o:
266	${NORMAL_C}
267
268vers.c: $S/conf/newvers.sh $S/sys/param.h ${SYSTEM_DEP}
269	sh $S/conf/newvers.sh ${KERN_IDENT} ${IDENT}
270
271# XXX strictly, everything depends on Makefile because changes to ${PROF}
272# only appear there, but we don't handle that.
273vers.o:
274	${NORMAL_C}
275
276.ORDER: vnode_if.c vnode_if.h
277vnode_if.c vnode_if.h: $S/kern/vnode_if.sh $S/kern/vnode_if.src
278	sh $S/kern/vnode_if.sh $S/kern/vnode_if.src
279
280vnode_if.o:
281	${NORMAL_C}
282
283# Commented out for now pending a better solution.
284# How do we pick up compiler version specific flags??
285#.if exists($S/../share/mk)
286#.include "$S/../share/mk/bsd.kern.mk"
287#.else
288.include <bsd.kern.mk>
289#.endif
290
291%RULES
292
293# DO NOT DELETE THIS LINE -- make depend uses it
294