Makefile.i386 revision 42839 
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 1.135 1999/01/17 21:17:27 peter 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=	300009
21
22KERNFORMAT?=	elf
23
24STD8X16FONT?=	iso
25
26.if exists(./@/.)
27S=	./@
28.else
29S=	../..
30.endif
31I386=	${S}/i386
32
33COPTFLAGS?=-O
34INCLUDES= -nostdinc -I- -I. -I$S
35# This hack is to allow kernel compiles to succeed on machines w/out srcdist
36.if exists($S/../include)
37INCLUDES+= -I$S/../include
38.else
39INCLUDES+= -I/usr/include
40.endif
41COPTS=	${INCLUDES} ${IDENT} -DKERNEL -include opt_global.h
42CFLAGS=	${COPTFLAGS} ${CWARNFLAGS} ${DEBUG} ${COPTS}
43
44# XXX LOCORE means "don't declare C stuff" not "for locore.s".
45ASM_CFLAGS= -x assembler-with-cpp -DLOCORE ${CFLAGS}
46
47# Use the default object format for genassym, etc.
48GEN_CFLAGS= ${COPTFLAGS} ${CWARNFLAGS} ${DEBUG} ${COPTS}
49
50# Select the correct set of tools. Can't set OBJFORMAT here because it
51# doesn't get exported into the environment, and if it were exported
52# then it might break building of genassym, etc.
53.if ${KERNFORMAT} == "elf"
54CFLAGS+=	-elf
55.else
56CFLAGS+=	-aout
57.endif
58
59LOAD_ADDRESS?=	F0100000
60DEFINED_PROF=	${PROF}
61.if defined(PROF)
62CFLAGS+=	-malign-functions=4
63.if ${PROFLEVEL} >= 2
64IDENT+=	-DGPROF4 -DGUPROF
65PROF+=	-mprofiler-epilogue
66.endif
67.endif
68
69NORMAL_C= ${CC} -c ${CFLAGS} ${PROF} $<
70NORMAL_C_C= ${CC} -c ${CFLAGS} ${PROF} $<
71NORMAL_S= ${CC} -c ${ASM_CFLAGS} $<
72DRIVER_C= ${CC} -c ${CFLAGS} ${PROF} $<
73DRIVER_C_C= ${CC} -c ${CFLAGS} ${PROF} $<
74DRIVER_S= ${CC} -c -x ${ASM_CFLAGS} $<
75PROFILE_C= ${CC} -c ${CFLAGS} $<
76
77GEN_CFILES= ${I386}/i386/genassym.c
78# setdef0.c and setdef1.c are intentionally
79# omitted from SYSTEM_CFILES.  They include setdefs.h, a header which
80# is generated from all of ${OBJS}.  We don't want to have to compile
81# everything just to do a make depend.
82SYSTEM_CFILES= ioconf.c param.c vnode_if.c config.c
83SYSTEM_SFILES= ${I386}/i386/locore.s
84SYSTEM_DEP= Makefile symbols.exclude symbols.sort ${SYSTEM_OBJS}
85.if ${CFLAGS:M-g} == ""
86SYMORDER_EXCLUDE=-x symbols.exclude
87.endif
88SYSTEM_LD_HEAD= @echo loading ${.TARGET}; rm -f ${.TARGET}
89.if ${KERNFORMAT} == aout || ${KERNFORMAT} == aoutkld
90SYSTEM_OBJS= locore.o vnode_if.o ${OBJS} ioconf.o param.o config.o
91SYSTEM_LD= @${LD} -aout -Bforcedynamic -Z -T ${LOAD_ADDRESS} -o ${.TARGET} -X ${SYSTEM_OBJS} vers.o
92SYSTEM_LD_TAIL= @echo rearranging symbols; \
93	symorder -m ${SYMORDER_EXCLUDE} symbols.sort ${.TARGET}; \
94	size -aout ${.TARGET} ; chmod 755 ${.TARGET}
95.endif
96.if ${KERNFORMAT} == elf
97SYSTEM_OBJS= locore.o setdef0.o vnode_if.o ${OBJS} ioconf.o param.o config.o \
98	setdef1.o hack.So
99SYSTEM_LD= @${LD} -elf -Bdynamic -T $S/i386/conf/kernel.script \
100	-export-dynamic -dynamic-linker /red/herring \
101	-o ${.TARGET} -X ${SYSTEM_OBJS} vers.o
102SYSTEM_LD_TAIL= @size -elf ${.TARGET} ; chmod 755 ${.TARGET}
103SYSTEM_DEP+= $S/i386/conf/kernel.script
104.endif
105
106%BEFORE_DEPEND
107
108%OBJS
109
110%CFILES
111
112%SFILES
113
114%MFILES
115
116%LOAD
117
118%CLEAN
119
120.if !exists(.depend)
121${SYSTEM_OBJS}: ${BEFORE_DEPEND:M*.h}
122.endif
123
124clean:
125	rm -f *.o *.so *.So *.ko *.s eddep errs genassym gensetdefs \
126	      kernel linterrs makelinks param.c setdef[01].c setdefs.h \
127	      symbols.exclude symbols.sort tags \
128	      vers.c vnode_if.c vnode_if.h ${CLEAN}
129
130#lint: /tmp param.c
131#	@lint -hbxn -DGENERIC -Dvolatile= ${COPTS} \
132#	  ${I386}/i386/Locore.c ${CFILES} ioconf.c param.c | \
133#	    grep -v 'struct/union .* never defined' | \
134#	    grep -v 'possible pointer alignment problem'
135
136symbols.exclude:
137	echo "gcc2_compiled." >symbols.exclude
138	echo "___gnu_compiled_c" >>symbols.exclude
139
140symbols.sort: ${I386}/i386/symbols.raw
141	grep -v '^#' ${I386}/i386/symbols.raw \
142	    | sed 's/^	//' | sort -u > symbols.sort
143
144locore.o: ${I386}/i386/locore.s assym.s
145	${NORMAL_S}
146
147.if ${KERNFORMAT} == elf
148# This is a hack.  BFD "optimizes" away dynamic mode if there are no
149# dynamic references.  We could probably do a '-Bforcedynamic' mode like
150# in the a.out ld.  For now, this works.
151hack.So: Makefile
152	touch hack.c
153	${CC} -elf -shared -nostdlib hack.c -o hack.So
154	rm -f hack.c
155.endif
156
157setdef0.o: setdef0.c setdefs.h
158	${NORMAL_C}
159
160setdef1.o: setdef1.c setdefs.h
161	${NORMAL_C}
162
163setdef0.c setdef1.c setdefs.h: ${OBJS}
164	@echo generating linker set emulation glue for ELF
165	@gensetdefs ${OBJS}
166
167# this rule stops ./assym.s in .depend from causing problems
168./assym.s: assym.s
169
170assym.s: genassym
171	./genassym >assym.s
172
173genassym.o: ${I386}/i386/genassym.c
174	${CC} -c ${GEN_CFLAGS} ${I386}/i386/genassym.c
175
176genassym: genassym.o
177	${CC} ${GEN_CFLAGS} genassym.o -o ${.TARGET}
178
179${SYSTEM_OBJS} genassym.o vers.o: opt_global.h
180
181# XXX this assumes that the options for NORMAL_C* and DRIVER_C* are identical.
182depend: assym.s param.c vnode_if.h ${BEFORE_DEPEND}
183	rm -f .newdep
184	mkdep -a -f .newdep ${CFLAGS} ${CFILES} ${SYSTEM_CFILES}
185	mkdep -a -f .newdep ${GEN_CFLAGS} ${GEN_CFILES}
186	env MKDEP_CPP="${CC} -E" \
187	    mkdep -a -f .newdep ${ASM_CFLAGS} ${SFILES} ${SYSTEM_SFILES}
188	rm -f .depend
189	mv -f .newdep .depend
190
191cleandepend:
192	rm -f .depend
193
194links:
195	egrep '#if' ${CFILES:Nswapkernel.c} | sed -f $S/conf/defines | \
196	  sed -e 's/:.*//' -e 's/\.c/.o/' | sort -u > dontlink
197	echo ${CFILES:Nswapkernel.c} | tr -s ' ' '\12' | sed 's/\.c/.o/' | \
198	  sort -u | comm -23 - dontlink | \
199	  sed 's,../.*/\(.*.o\),rm -f \1;ln -s ../GENERIC/\1 \1,' > makelinks
200	sh makelinks && rm -f dontlink
201
202tags:
203	@echo "see $S/kern/Makefile for tags"
204
205install:
206	@if [ ! -f kernel ] ; then \
207		echo "You must first build your kernel before trying to install." ; \
208		exit 1 ; \
209	fi
210.if ${KERNFORMAT} == "elf" && !defined(FORCE)
211	@if [ -f /kernel -a "`file /kernel 2>/dev/null | grep ELF`" = "" ]; then \
212		echo "WARNING: You are about to install an ELF kernel for the first time!" ; \
213		echo "Please be sure you have upgraded your bootblocks and/or /boot/loader so" ; \
214		echo "that you can boot it.  Old bootblocks WILL NOT WORK!  Please read:" ; \
215		echo "http://www.freebsd.org/~peter/elfday.html for information." ; \
216		echo "If you are satisfied you can boot an ELF kernel, type:  make -DFORCE install" ; \
217		exit 1 ; \
218	fi
219.endif
220.if exists(${DESTDIR}/kernel)
221	chflags noschg ${DESTDIR}/kernel
222	mv ${DESTDIR}/kernel ${DESTDIR}/kernel.old
223.endif
224	PATH=$${PATH}:/sbin:/usr/sbin; \
225	if [ `sysctl -n kern.bootfile` = ${DESTDIR}/kernel ] ; then \
226		sysctl -w kern.bootfile=${DESTDIR}/kernel.old ; \
227		if [ -f /var/db/kvm_kernel.db ] ; then \
228			mv -f /var/db/kvm_kernel.db /var/db/kvm_kernel.old.db ; \
229		fi \
230	fi
231	install -c -m 555 -o root -g wheel -fschg kernel ${DESTDIR}/
232
233config.o:
234	${NORMAL_C}
235
236ioconf.o:
237	${NORMAL_C}
238
239param.c: $S/conf/param.c
240	-rm -f param.c
241	cp $S/conf/param.c .
242
243param.o:
244	${NORMAL_C}
245
246vers.c: $S/conf/newvers.sh $S/sys/param.h ${SYSTEM_DEP}
247	sh $S/conf/newvers.sh ${KERN_IDENT} ${IDENT}
248
249# XXX strictly, everything depends on Makefile because changes to ${PROF}
250# only appear there, but we don't handle that.
251vers.o:
252	${NORMAL_C}
253
254.ORDER: vnode_if.c vnode_if.h
255vnode_if.c vnode_if.h: $S/kern/vnode_if.sh $S/kern/vnode_if.src
256	sh $S/kern/vnode_if.sh $S/kern/vnode_if.src
257
258vnode_if.o:
259	${NORMAL_C}
260
261.if exists($S/../share/mk)
262.include "$S/../share/mk/bsd.kern.mk"
263.else
264.include <bsd.kern.mk>
265.endif
266
267%RULES
268
269# DO NOT DELETE THIS LINE -- make depend uses it
270