xref: /freebsd/sys/conf/Makefile.i386 (revision 7f3dea244c40159a41ab22da77a434d7c5b5e85a)
1# Makefile.i386 -- with config changes.
2# Copyright 1990 W. Jolitz
3#	from: @(#)Makefile.i386	7.1 5/10/91
4#	$Id: Makefile.i386,v 1.157 1999/07/02 04:00:01 jkh Exp $
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
70NORMAL_C= ${CC} -c ${CFLAGS} ${PROF} $<
71NORMAL_C_C= ${CC} -c ${CFLAGS} ${PROF} $<
72NORMAL_S= ${CC} -c ${ASM_CFLAGS} $<
73PROFILE_C= ${CC} -c ${CFLAGS} $<
74
75GEN_CFILES= ${I386}/i386/genassym.c
76# setdef0.c and setdef1.c are intentionally
77# omitted from SYSTEM_CFILES.  They include setdefs.h, a header which
78# is generated from all of ${OBJS}.  We don't want to have to compile
79# everything just to do a make depend.
80SYSTEM_CFILES= ioconf.c param.c vnode_if.c config.c
81SYSTEM_SFILES= ${I386}/i386/locore.s
82SYSTEM_DEP= Makefile symbols.exclude symbols.sort ${SYSTEM_OBJS}
83.if ${CFLAGS:M-g} == ""
84SYMORDER_EXCLUDE=-x symbols.exclude
85.endif
86
87.if ${KERNFORMAT} == aout || ${KERNFORMAT} == aoutkld
88SYSTEM_OBJS= locore.o vnode_if.o ${OBJS} ioconf.o param.o config.o
89SYSTEM_LD= @${LD} -aout -Bforcedynamic -Z -T ${LOAD_ADDRESS} -o ${.TARGET} -X ${SYSTEM_OBJS} vers.o
90SYSTEM_LD_TAIL= @echo rearranging symbols; \
91	symorder -m ${SYMORDER_EXCLUDE} symbols.sort ${.TARGET}; \
92	size -aout ${.TARGET} ; chmod 755 ${.TARGET}
93.endif
94
95.if ${KERNFORMAT} == elf
96SYSTEM_OBJS= locore.o setdef0.o vnode_if.o ${OBJS} ioconf.o param.o config.o \
97	setdef1.o hack.So
98SYSTEM_LD= @${LD} -elf -Bdynamic -T $S/i386/conf/kernel.script \
99	-export-dynamic -dynamic-linker /red/herring \
100	-o ${.TARGET} -X ${SYSTEM_OBJS} vers.o
101SYSTEM_LD_TAIL= @size -elf ${.TARGET} ; chmod 755 ${.TARGET}
102SYSTEM_DEP+= $S/i386/conf/kernel.script
103.endif
104
105%BEFORE_DEPEND
106
107%OBJS
108
109%CFILES
110
111%SFILES
112
113%MFILES
114
115%CLEAN
116
117all:	${KERNEL}
118
119.if !defined(DEBUG)
120FULLKERNEL=	${KERNEL}
121.else
122FULLKERNEL=	${KERNEL}.debug
123${KERNEL}:	${FULLKERNEL}
124.if ${KERNFORMAT} == "elf"
125	objcopy --strip-debug ${FULLKERNEL} ${KERNEL}
126.else
127	cp ${FULLKERNEL} ${KERNEL}
128	strip -d ${KERNEL}
129.endif
130.endif
131
132${FULLKERNEL}:	${BEFORE_DEPEND} ${SYSTEM_DEP} vers.o
133	@rm -f ${.TARGET}
134	@echo linking ${.TARGET}
135	${SYSTEM_LD}
136	${SYSTEM_LD_TAIL}
137
138.if !exists(.depend)
139${SYSTEM_OBJS}: vnode_if.h ${BEFORE_DEPEND:M*.h}
140.endif
141
142clean:
143	rm -f *.o *.so *.So *.ko *.s eddep errs genassym gensetdefs \
144	      ${KERNEL} ${FULLKERNEL} linterrs makelinks param.c \
145	      setdef[01].c setdefs.h symbols.exclude symbols.sort tags \
146	      vers.c vnode_if.c vnode_if.h ${CLEAN}
147
148#lint: /tmp param.c
149#	@lint -hbxn -DGENERIC -Dvolatile= ${COPTS} \
150#	  ${I386}/i386/Locore.c ${CFILES} ioconf.c param.c | \
151#	    grep -v 'struct/union .* never defined' | \
152#	    grep -v 'possible pointer alignment problem'
153
154symbols.exclude:
155	echo "gcc2_compiled." >symbols.exclude
156	echo "___gnu_compiled_c" >>symbols.exclude
157
158symbols.sort: ${I386}/i386/symbols.raw
159	grep -v '^#' ${I386}/i386/symbols.raw \
160	    | sed 's/^	//' | sort -u > symbols.sort
161
162locore.o: ${I386}/i386/locore.s assym.s
163	${NORMAL_S}
164
165.if ${KERNFORMAT} == elf
166# This is a hack.  BFD "optimizes" away dynamic mode if there are no
167# dynamic references.  We could probably do a '-Bforcedynamic' mode like
168# in the a.out ld.  For now, this works.
169hack.So: Makefile
170	touch hack.c
171	${CC} -elf -shared -nostdlib hack.c -o hack.So
172	rm -f hack.c
173.endif
174
175.ORDER: setdefs.h setdef0.c setdef1.c
176
177setdef0.o: setdef0.c setdefs.h
178	${NORMAL_C}
179
180setdef1.o: setdef1.c setdefs.h
181	${NORMAL_C}
182
183setdef0.c setdef1.c setdefs.h: ${OBJS}
184	@gensetdefs ${OBJS}
185
186# this rule stops ./assym.s in .depend from causing problems
187./assym.s: assym.s
188
189assym.s: genassym
190	./genassym >assym.s
191
192genassym.o: ${I386}/i386/genassym.c
193	${CC} -c ${GEN_CFLAGS} ${I386}/i386/genassym.c
194
195genassym: genassym.o
196	${CC} ${GEN_CFLAGS} genassym.o -o ${.TARGET}
197
198${SYSTEM_OBJS} genassym.o vers.o: opt_global.h
199
200depend: assym.s param.c vnode_if.h ${BEFORE_DEPEND}
201	rm -f .newdep
202	mkdep -a -f .newdep ${CFLAGS} ${CFILES} ${SYSTEM_CFILES}
203	mkdep -a -f .newdep ${GEN_CFLAGS} ${GEN_CFILES}
204	env MKDEP_CPP="${CC} -E" \
205	    mkdep -a -f .newdep ${ASM_CFLAGS} ${SFILES} ${SYSTEM_SFILES}
206	rm -f .depend
207	mv -f .newdep .depend
208
209cleandepend:
210	rm -f .depend
211
212links:
213	egrep '#if' ${CFILES} | sed -f $S/conf/defines | \
214	  sed -e 's/:.*//' -e 's/\.c/.o/' | sort -u > dontlink
215	echo ${CFILES} | tr -s ' ' '\12' | sed 's/\.c/.o/' | \
216	  sort -u | comm -23 - dontlink | \
217	  sed 's,../.*/\(.*.o\),rm -f \1;ln -s ../GENERIC/\1 \1,' > makelinks
218	sh makelinks && rm -f dontlink
219
220tags:
221	@[ -f .depend ] || { echo "you must make depend first"; exit 1; }
222	sh $S/conf/systags.sh
223	rm -f tags1
224	sed -e 's,      ../,    ,' tags > tags1
225
226install install.debug:
227	@if [ ! -f ${KERNEL}${.TARGET:S/install//} ] ; then \
228		echo "You must first build a kernel first." ; \
229		exit 1 ; \
230	fi
231.if exists(${DESTDIR}/${KERNEL})
232	-chflags noschg ${DESTDIR}/${KERNEL}
233	mv ${DESTDIR}/${KERNEL} ${DESTDIR}/${KERNEL}.old
234.endif
235	PATH=$${PATH}:/sbin:/usr/sbin; \
236	if [ `sysctl -n kern.bootfile` = ${DESTDIR}/${KERNEL} ] ; then \
237		sysctl -w kern.bootfile=${DESTDIR}/${KERNEL}.old ; \
238		if [ -f /var/db/kvm_${KERNEL}.db ] ; then \
239			mv -f /var/db/kvm_${KERNEL}.db /var/db/kvm_${KERNEL}.old.db ; \
240		fi \
241	fi
242	install -c -m 555 -o root -g wheel -fschg \
243		${KERNEL}${.TARGET:S/install//} ${DESTDIR}/${KERNEL}
244
245reinstall reinstall.debug:
246	install -c -m 555 -o root -g wheel -fschg \
247		${KERNEL}${.TARGET:S/reinstall//} ${DESTDIR}/${KERNEL}
248
249config.o:
250	${NORMAL_C}
251
252ioconf.o:
253	${NORMAL_C}
254
255param.c: $S/conf/param.c
256	-rm -f param.c
257	cp $S/conf/param.c .
258
259param.o:
260	${NORMAL_C}
261
262vers.c: $S/conf/newvers.sh $S/sys/param.h ${SYSTEM_DEP}
263	sh $S/conf/newvers.sh ${KERN_IDENT} ${IDENT}
264
265# XXX strictly, everything depends on Makefile because changes to ${PROF}
266# only appear there, but we don't handle that.
267vers.o:
268	${NORMAL_C}
269
270.ORDER: vnode_if.c vnode_if.h
271vnode_if.c vnode_if.h: $S/kern/vnode_if.sh $S/kern/vnode_if.src
272	sh $S/kern/vnode_if.sh $S/kern/vnode_if.src
273
274vnode_if.o:
275	${NORMAL_C}
276
277.if exists($S/../share/mk)
278.include "$S/../share/mk/bsd.kern.mk"
279.else
280.include <bsd.kern.mk>
281.endif
282
283%RULES
284
285# DO NOT DELETE THIS LINE -- make depend uses it
286