Makefile.i386 revision 60251 
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 60251 2000-05-09 10:39:38Z n_hibma $
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=	400018
21
22# Can be overridden by makeoptions or /etc/make.conf
23KERNEL?=	kernel
24STD8X16FONT?=	iso
25
26.if !defined(S)
27.if exists(./@/.)
28S=	./@
29.else
30S=	../..
31.endif
32.endif
33M=	${MACHINE_ARCH}
34
35SIZE?=	size
36
37COPTFLAGS?=-O
38INCLUDES= -nostdinc -I- -I. -I$S
39# This hack is to allow kernel compiles to succeed on machines w/out srcdist
40.if exists($S/../include)
41INCLUDES+= -I$S/../include
42.else
43INCLUDES+= -I/usr/include
44.endif
45COPTS=	${INCLUDES} ${IDENT} -D_KERNEL -include opt_global.h
46CFLAGS=	${COPTFLAGS} ${CWARNFLAGS} ${DEBUG} ${COPTS}
47
48# XXX LOCORE means "don't declare C stuff" not "for locore.s".
49ASM_CFLAGS= -x assembler-with-cpp -DLOCORE ${CFLAGS}
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 utilities.
54FMT=		-elf
55CFLAGS+=	${FMT}
56
57DEFINED_PROF=	${PROF}
58.if defined(PROF)
59CFLAGS+=	-malign-functions=4
60.if ${PROFLEVEL} >= 2
61IDENT+=	-DGPROF4 -DGUPROF
62PROF+=	-mprofiler-epilogue
63.endif
64.endif
65
66# Put configuration-specific C flags last (except for ${PROF}) so that they
67# can override the others.
68CFLAGS+=	${CONF_CFLAGS}
69
70NORMAL_C= ${CC} -c ${CFLAGS} ${PROF} ${.IMPSRC}
71NORMAL_C_C= ${CC} -c ${CFLAGS} ${PROF} ${.IMPSRC}
72NORMAL_S= ${CC} -c ${ASM_CFLAGS} ${.IMPSRC}
73PROFILE_C= ${CC} -c ${CFLAGS} ${.IMPSRC}
74
75NORMAL_M= perl5 $S/kern/makeobjops.pl -c $<; \
76	  ${CC} -c ${CFLAGS} ${PROF} ${.PREFIX}.c
77
78GEN_CFILES= $S/$M/$M/genassym.c
79# setdef0.c and setdef1.c are intentionally
80# omitted from SYSTEM_CFILES.  They include setdefs.h, a header which
81# is generated from all of ${OBJS}.  We don't want to have to compile
82# everything just to do a make depend.
83SYSTEM_CFILES= ioconf.c param.c vnode_if.c config.c
84SYSTEM_SFILES= $S/$M/$M/locore.s
85SYSTEM_DEP= Makefile ${SYSTEM_OBJS}
86SYSTEM_OBJS= locore.o setdef0.o vnode_if.o ${OBJS} ioconf.o param.o config.o \
87	setdef1.o hack.So
88SYSTEM_LD= @${LD} ${FMT} -Bdynamic -T $S/conf/ldscript.$M \
89	-export-dynamic -dynamic-linker /red/herring \
90	-o ${.TARGET} -X ${SYSTEM_OBJS} vers.o
91SYSTEM_LD_TAIL= @${SIZE} ${FMT} ${.TARGET} ; chmod 755 ${.TARGET}
92SYSTEM_DEP+= $S/conf/ldscript.$M
93
94%BEFORE_DEPEND
95
96%OBJS
97
98%CFILES
99
100%SFILES
101
102%MFILES
103
104%CLEAN
105
106.PHONY:	all modules
107
108all: ${KERNEL}
109
110.if !defined(DEBUG)
111FULLKERNEL=	${KERNEL}
112.else
113FULLKERNEL=	${KERNEL}.debug
114${KERNEL}: ${FULLKERNEL}
115	objcopy --strip-debug ${FULLKERNEL} ${KERNEL}
116.endif
117
118${FULLKERNEL}: ${SYSTEM_DEP} vers.o
119	@rm -f ${.TARGET}
120	@echo linking ${.TARGET}
121	${SYSTEM_LD}
122	${SYSTEM_LD_TAIL}
123
124.if !defined(NO_MODULES) && exists(${.CURDIR}/../../modules)
125all:	modules
126
127modules:
128	@mkdir -p ${.CURDIR}/modules
129	cd ${.CURDIR}/../../modules && env MAKEOBJDIRPREFIX=${.CURDIR}/modules ${MAKE} obj
130	cd ${.CURDIR}/../../modules && env MAKEOBJDIRPREFIX=${.CURDIR}/modules ${MAKE} all
131.endif
132
133.if !exists(.depend)
134${SYSTEM_OBJS}: vnode_if.h ${BEFORE_DEPEND:M*.h} ${MFILES:T:S/.m$/.h/}
135.endif
136
137.for mfile in ${MFILES}
138${mfile:T:S/.m$/.h/}: ${mfile}
139	perl5 $S/kern/makeobjops.pl -h ${mfile}
140.endfor
141
142clean:
143	rm -f *.o *.so *.So *.ko *.s eddep errs genassym \
144	      ${FULLKERNEL} ${KERNEL} linterrs makelinks param.c \
145	      setdef[01].c setdefs.h tags \
146	      vers.c vnode_if.c vnode_if.h \
147	      ${MFILES:T:S/.m$/.c/} ${MFILES:T:S/.m$/.h/} \
148	      ${CLEAN}
149.if !defined(NO_MODULES) && exists(${.CURDIR}/../../modules)
150	cd ${.CURDIR}/../../modules && env MAKEOBJDIRPREFIX=${.CURDIR}/modules ${MAKE} clean
151.endif
152
153#lint: /tmp param.c
154#	@lint -hbxn -DGENERIC -Dvolatile= ${COPTS} \
155#	  $S/$M/$M/Locore.c ${CFILES} ioconf.c param.c | \
156#	    grep -v 'struct/union .* never defined' | \
157#	    grep -v 'possible pointer alignment problem'
158
159locore.o: $S/$M/$M/locore.s assym.s
160	${NORMAL_S}
161
162# This is a hack.  BFD "optimizes" away dynamic mode if there are no
163# dynamic references.  We could probably do a '-Bforcedynamic' mode like
164# in the a.out ld.  For now, this works.
165hack.So: Makefile
166	touch hack.c
167	${CC} ${FMT} -shared -nostdlib hack.c -o hack.So
168	rm -f hack.c
169
170.ORDER: setdefs.h setdef0.c setdef1.c
171
172setdef0.o: setdef0.c setdefs.h
173	${NORMAL_C}
174
175setdef1.o: setdef1.c setdefs.h
176	${NORMAL_C}
177
178setdef0.c setdef1.c setdefs.h: ${OBJS} param.o
179	@gensetdefs ${OBJS} param.o
180
181# this rule stops ./assym.s in .depend from causing problems
182./assym.s: assym.s
183
184assym.s: genassym.o
185	genassym genassym.o >assym.s
186
187genassym.o: $S/$M/$M/genassym.c
188	${CC} -c ${CFLAGS} $S/$M/$M/genassym.c
189
190${SYSTEM_OBJS} genassym.o vers.o: opt_global.h
191
192depend: assym.s param.c vnode_if.h ${BEFORE_DEPEND} \
193	    ${CFILES} ${SYSTEM_CFILES} ${GEN_CFILES} ${SFILES} \
194	    ${SYSTEM_SFILES} ${MFILES:T:S/.m$/.h/}
195	rm -f .newdep
196	mkdep -a -f .newdep ${CFLAGS} ${CFILES} ${SYSTEM_CFILES} ${GEN_CFILES}
197	env MKDEP_CPP="${CC} -E" \
198	    mkdep -a -f .newdep ${ASM_CFLAGS} ${SFILES} ${SYSTEM_SFILES}
199	rm -f .depend
200	mv -f .newdep .depend
201.if !defined(NO_MODULES) && exists(${.CURDIR}/../../modules)
202	@mkdir -p ${.CURDIR}/modules
203	cd ${.CURDIR}/../../modules && env MAKEOBJDIRPREFIX=${.CURDIR}/modules ${MAKE} obj
204	cd ${.CURDIR}/../../modules && env MAKEOBJDIRPREFIX=${.CURDIR}/modules ${MAKE} depend
205.endif
206
207cleandepend:
208	rm -f .depend
209.if !defined(NO_MODULES) && exists(${.CURDIR}/../../modules)
210	cd ${.CURDIR}/../../modules && env MAKEOBJDIRPREFIX=${.CURDIR}/modules ${MAKE} cleandepend
211.endif
212
213links:
214	egrep '#if' ${CFILES} | sed -f $S/conf/defines | \
215	  sed -e 's/:.*//' -e 's/\.c/.o/' | sort -u > dontlink
216	echo ${CFILES} | tr -s ' ' '\12' | sed 's/\.c/.o/' | \
217	  sort -u | comm -23 - dontlink | \
218	  sed 's,../.*/\(.*.o\),rm -f \1;ln -s ../GENERIC/\1 \1,' > makelinks
219	sh makelinks && rm -f dontlink
220
221tags:
222	@[ -f .depend ] || { echo "you must make depend first"; exit 1; }
223	sh $S/conf/systags.sh
224	rm -f tags1
225	sed -e 's,      ../,    ,' tags > tags1
226
227install install.debug:
228	@if [ ! -f ${KERNEL}${.TARGET:S/install//} ] ; then \
229		echo "You must build a kernel first." ; \
230		exit 1 ; \
231	fi
232.if exists(${DESTDIR}/${KERNEL})
233	-chflags noschg ${DESTDIR}/${KERNEL}
234	mv ${DESTDIR}/${KERNEL} ${DESTDIR}/${KERNEL}.old
235.endif
236	install -c -m 555 -o root -g wheel -fschg \
237		${KERNEL}${.TARGET:S/install//} ${DESTDIR}/${KERNEL}
238.if !defined(NO_MODULES) && exists(${.CURDIR}/../../modules)
239	cd ${.CURDIR}/../../modules && env MAKEOBJDIRPREFIX=${.CURDIR}/modules ${MAKE} install
240.endif
241
242reinstall reinstall.debug:
243	install -c -m 555 -o root -g wheel -fschg \
244		${KERNEL}${.TARGET:S/reinstall//} ${DESTDIR}/${KERNEL}
245.if !defined(NO_MODULES) && exists(${.CURDIR}/../../modules)
246	cd ${.CURDIR}/../../modules && env MAKEOBJDIRPREFIX=${.CURDIR}/modules ${MAKE} install
247.endif
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
270vnode_if.c: $S/kern/vnode_if.pl $S/kern/vnode_if.src
271	perl5 $S/kern/vnode_if.pl -c $S/kern/vnode_if.src
272
273vnode_if.h: $S/kern/vnode_if.pl $S/kern/vnode_if.src
274	perl5 $S/kern/vnode_if.pl -h $S/kern/vnode_if.src
275
276vnode_if.o:
277	${NORMAL_C}
278
279# Commented out for now pending a better solution.
280# How do we pick up compiler version specific flags??
281#.if exists($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