Makefile.i386 revision 53541 
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 53541 1999-11-22 02:45:11Z shin $
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
45# KAME mandatory flags
46COPTS+=	-D_KERNEL
47CFLAGS=	${COPTFLAGS} ${CWARNFLAGS} ${DEBUG} ${COPTS}
48
49# XXX LOCORE means "don't declare C stuff" not "for locore.s".
50ASM_CFLAGS= -x assembler-with-cpp -DLOCORE ${CFLAGS}
51
52# Use the default object format for genassym, etc.
53GEN_CFLAGS= ${COPTFLAGS} ${CWARNFLAGS} ${DEBUG} ${COPTS} -UKERNEL
54
55# Select the correct set of tools. Can't set OBJFORMAT here because it
56# doesn't get exported into the environment, and if it were exported
57# then it might break building of genassym, etc.
58.if ${KERNFORMAT} == "elf"
59CFLAGS+=	-elf
60.else
61CFLAGS+=	-aout
62.endif
63
64LOAD_ADDRESS?=	C0100000
65DEFINED_PROF=	${PROF}
66.if defined(PROF)
67CFLAGS+=	-malign-functions=4
68.if ${PROFLEVEL} >= 2
69IDENT+=	-DGPROF4 -DGUPROF
70PROF+=	-mprofiler-epilogue
71.endif
72.endif
73
74# Put configuration-specific C flags last (except for ${PROF}) so that they
75# can override the others.
76CFLAGS+=	${CONF_CFLAGS}
77
78NORMAL_C= ${CC} -c ${CFLAGS} ${PROF} $<
79NORMAL_C_C= ${CC} -c ${CFLAGS} ${PROF} $<
80NORMAL_S= ${CC} -c ${ASM_CFLAGS} $<
81PROFILE_C= ${CC} -c ${CFLAGS} $<
82
83GEN_CFILES= ${I386}/i386/genassym.c
84# setdef0.c and setdef1.c are intentionally
85# omitted from SYSTEM_CFILES.  They include setdefs.h, a header which
86# is generated from all of ${OBJS}.  We don't want to have to compile
87# everything just to do a make depend.
88SYSTEM_CFILES= ioconf.c param.c vnode_if.c config.c
89SYSTEM_SFILES= ${I386}/i386/locore.s
90SYSTEM_DEP= Makefile symbols.exclude symbols.sort ${SYSTEM_OBJS}
91.if ${CFLAGS:M-g} == ""
92SYMORDER_EXCLUDE=-x symbols.exclude
93.endif
94
95.if ${KERNFORMAT} == aout || ${KERNFORMAT} == aoutkld
96SYSTEM_OBJS= locore.o vnode_if.o ${OBJS} ioconf.o param.o config.o
97SYSTEM_LD= @${LD} -aout -Bforcedynamic -Z -T ${LOAD_ADDRESS} -o ${.TARGET} -X ${SYSTEM_OBJS} vers.o
98SYSTEM_LD_TAIL= @echo rearranging symbols; \
99	symorder -m ${SYMORDER_EXCLUDE} symbols.sort ${.TARGET}; \
100	size -aout ${.TARGET} ; chmod 755 ${.TARGET}
101.endif
102
103.if ${KERNFORMAT} == elf
104SYSTEM_OBJS= locore.o setdef0.o vnode_if.o ${OBJS} ioconf.o param.o config.o \
105	setdef1.o hack.So
106SYSTEM_LD= @${LD} -elf -Bdynamic -T $S/i386/conf/kernel.script \
107	-export-dynamic -dynamic-linker /red/herring \
108	-o ${.TARGET} -X ${SYSTEM_OBJS} vers.o
109SYSTEM_LD_TAIL= @size -elf ${.TARGET} ; chmod 755 ${.TARGET}
110SYSTEM_DEP+= $S/i386/conf/kernel.script
111.endif
112
113%BEFORE_DEPEND
114
115%OBJS
116
117%CFILES
118
119%SFILES
120
121%MFILES
122
123%CLEAN
124
125all:	${KERNEL}
126
127.if !defined(DEBUG)
128FULLKERNEL=	${KERNEL}
129.else
130FULLKERNEL=	${KERNEL}.debug
131${KERNEL}:	${FULLKERNEL}
132.if ${KERNFORMAT} == "elf"
133	objcopy --strip-debug ${FULLKERNEL} ${KERNEL}
134.else
135	cp ${FULLKERNEL} ${KERNEL}
136	strip -d ${KERNEL}
137.endif
138.endif
139
140${FULLKERNEL}:	${BEFORE_DEPEND} ${SYSTEM_DEP} vers.o
141	@rm -f ${.TARGET}
142	@echo linking ${.TARGET}
143	${SYSTEM_LD}
144	${SYSTEM_LD_TAIL}
145
146.if !exists(.depend)
147${SYSTEM_OBJS}: vnode_if.h ${BEFORE_DEPEND:M*.h}
148.endif
149
150clean:
151	rm -f *.o *.so *.So *.ko *.s eddep errs genassym gensetdefs \
152	      ${KERNEL} ${FULLKERNEL} linterrs makelinks param.c \
153	      setdef[01].c setdefs.h symbols.exclude symbols.sort tags \
154	      vers.c vnode_if.c vnode_if.h ${CLEAN}
155
156#lint: /tmp param.c
157#	@lint -hbxn -DGENERIC -Dvolatile= ${COPTS} \
158#	  ${I386}/i386/Locore.c ${CFILES} ioconf.c param.c | \
159#	    grep -v 'struct/union .* never defined' | \
160#	    grep -v 'possible pointer alignment problem'
161
162symbols.exclude:
163	echo "gcc2_compiled." >symbols.exclude
164	echo "___gnu_compiled_c" >>symbols.exclude
165
166symbols.sort: ${I386}/i386/symbols.raw
167	grep -v '^#' ${I386}/i386/symbols.raw \
168	    | sed 's/^	//' | sort -u > symbols.sort
169
170locore.o: ${I386}/i386/locore.s assym.s
171	${NORMAL_S}
172
173.if ${KERNFORMAT} == elf
174# This is a hack.  BFD "optimizes" away dynamic mode if there are no
175# dynamic references.  We could probably do a '-Bforcedynamic' mode like
176# in the a.out ld.  For now, this works.
177hack.So: Makefile
178	touch hack.c
179	${CC} -elf -shared -nostdlib hack.c -o hack.So
180	rm -f hack.c
181.endif
182
183.ORDER: setdefs.h setdef0.c setdef1.c
184
185setdef0.o: setdef0.c setdefs.h
186	${NORMAL_C}
187
188setdef1.o: setdef1.c setdefs.h
189	${NORMAL_C}
190
191setdef0.c setdef1.c setdefs.h: ${OBJS}
192	@gensetdefs ${OBJS}
193
194# this rule stops ./assym.s in .depend from causing problems
195./assym.s: assym.s
196
197assym.s: genassym
198	./genassym >assym.s
199
200genassym.o: ${I386}/i386/genassym.c
201	${CC} -c ${GEN_CFLAGS} ${I386}/i386/genassym.c
202
203genassym: genassym.o
204	${CC} ${GEN_CFLAGS} genassym.o -o ${.TARGET}
205
206${SYSTEM_OBJS} genassym.o vers.o: opt_global.h
207
208depend: assym.s param.c vnode_if.h ${BEFORE_DEPEND}
209	rm -f .newdep
210	mkdep -a -f .newdep ${CFLAGS} ${CFILES} ${SYSTEM_CFILES}
211	mkdep -a -f .newdep ${GEN_CFLAGS} ${GEN_CFILES}
212	env MKDEP_CPP="${CC} -E" \
213	    mkdep -a -f .newdep ${ASM_CFLAGS} ${SFILES} ${SYSTEM_SFILES}
214	rm -f .depend
215	mv -f .newdep .depend
216
217cleandepend:
218	rm -f .depend
219
220links:
221	egrep '#if' ${CFILES} | sed -f $S/conf/defines | \
222	  sed -e 's/:.*//' -e 's/\.c/.o/' | sort -u > dontlink
223	echo ${CFILES} | tr -s ' ' '\12' | sed 's/\.c/.o/' | \
224	  sort -u | comm -23 - dontlink | \
225	  sed 's,../.*/\(.*.o\),rm -f \1;ln -s ../GENERIC/\1 \1,' > makelinks
226	sh makelinks && rm -f dontlink
227
228tags:
229	@[ -f .depend ] || { echo "you must make depend first"; exit 1; }
230	sh $S/conf/systags.sh
231	rm -f tags1
232	sed -e 's,      ../,    ,' tags > tags1
233
234install install.debug:
235	@if [ ! -f ${KERNEL}${.TARGET:S/install//} ] ; then \
236		echo "You must build a kernel first." ; \
237		exit 1 ; \
238	fi
239.if exists(${DESTDIR}/${KERNEL})
240	-chflags noschg ${DESTDIR}/${KERNEL}
241	mv ${DESTDIR}/${KERNEL} ${DESTDIR}/${KERNEL}.old
242.endif
243	PATH=$${PATH}:/sbin:/usr/sbin; \
244	if [ `sysctl -n kern.bootfile` = ${DESTDIR}/${KERNEL} ] ; then \
245		sysctl -w kern.bootfile=${DESTDIR}/${KERNEL}.old ; \
246		if [ -f /var/db/kvm_${KERNEL}.db ] ; then \
247			mv -f /var/db/kvm_${KERNEL}.db /var/db/kvm_${KERNEL}.old.db ; \
248		fi \
249	fi
250	install -c -m 555 -o root -g wheel -fschg \
251		${KERNEL}${.TARGET:S/install//} ${DESTDIR}/${KERNEL}
252
253reinstall reinstall.debug:
254	install -c -m 555 -o root -g wheel -fschg \
255		${KERNEL}${.TARGET:S/reinstall//} ${DESTDIR}/${KERNEL}
256
257config.o:
258	${NORMAL_C}
259
260ioconf.o:
261	${NORMAL_C}
262
263param.c: $S/conf/param.c
264	-rm -f param.c
265	cp $S/conf/param.c .
266
267param.o:
268	${NORMAL_C}
269
270vers.c: $S/conf/newvers.sh $S/sys/param.h ${SYSTEM_DEP}
271	sh $S/conf/newvers.sh ${KERN_IDENT} ${IDENT}
272
273# XXX strictly, everything depends on Makefile because changes to ${PROF}
274# only appear there, but we don't handle that.
275vers.o:
276	${NORMAL_C}
277
278.ORDER: vnode_if.c vnode_if.h
279vnode_if.c vnode_if.h: $S/kern/vnode_if.sh $S/kern/vnode_if.src
280	sh $S/kern/vnode_if.sh $S/kern/vnode_if.src
281
282vnode_if.o:
283	${NORMAL_C}
284
285# Commented out for now pending a better solution.
286# How do we pick up compiler version specific flags??
287#.if exists($S/../share/mk)
288#.include "$S/../share/mk/bsd.kern.mk"
289#.else
290.include <bsd.kern.mk>
291#.endif
292
293%RULES
294
295# DO NOT DELETE THIS LINE -- make depend uses it
296