xref: /freebsd/sys/conf/Makefile.i386 (revision 23f282aa31e9b6fceacd449020e936e98d6f2298) 
1# Makefile.i386 -- with config changes.
2# Copyright 1990 W. Jolitz
3#	from: @(#)Makefile.i386	7.1 5/10/91
4# $FreeBSD$
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
106all: ${KERNEL}
107
108.if !defined(DEBUG)
109FULLKERNEL=	${KERNEL}
110.else
111FULLKERNEL=	${KERNEL}.debug
112${KERNEL}: ${FULLKERNEL}
113	objcopy --strip-debug ${FULLKERNEL} ${KERNEL}
114.endif
115
116${FULLKERNEL}: ${SYSTEM_DEP} vers.o
117	@rm -f ${.TARGET}
118	@echo linking ${.TARGET}
119	${SYSTEM_LD}
120	${SYSTEM_LD_TAIL}
121
122.if !exists(.depend)
123${SYSTEM_OBJS}: vnode_if.h ${BEFORE_DEPEND:M*.h} ${MFILES:T:S/.m$/.h/}
124.endif
125
126.for mfile in ${MFILES}
127${mfile:T:S/.m$/.h/}: ${mfile}
128	perl5 $S/kern/makeobjops.pl -h ${mfile}
129.endfor
130
131clean:
132	rm -f *.o *.so *.So *.ko *.s eddep errs genassym \
133	      ${FULLKERNEL} ${KERNEL} linterrs makelinks param.c \
134	      setdef[01].c setdefs.h tags \
135	      vers.c vnode_if.c vnode_if.h \
136	      ${MFILES:T:S/.m$/.c/} ${MFILES:T:S/.m$/.h/} \
137	      ${CLEAN}
138
139#lint: /tmp param.c
140#	@lint -hbxn -DGENERIC -Dvolatile= ${COPTS} \
141#	  $S/$M/$M/Locore.c ${CFILES} ioconf.c param.c | \
142#	    grep -v 'struct/union .* never defined' | \
143#	    grep -v 'possible pointer alignment problem'
144
145locore.o: $S/$M/$M/locore.s assym.s
146	${NORMAL_S}
147
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} ${FMT} -shared -nostdlib hack.c -o hack.So
154	rm -f hack.c
155
156.ORDER: setdefs.h setdef0.c setdef1.c
157
158setdef0.o: setdef0.c setdefs.h
159	${NORMAL_C}
160
161setdef1.o: setdef1.c setdefs.h
162	${NORMAL_C}
163
164setdef0.c setdef1.c setdefs.h: ${OBJS} param.o
165	@gensetdefs ${OBJS} param.o
166
167# this rule stops ./assym.s in .depend from causing problems
168./assym.s: assym.s
169
170assym.s: genassym.o
171	genassym genassym.o >assym.s
172
173genassym.o: $S/$M/$M/genassym.c
174	${CC} -c ${CFLAGS} $S/$M/$M/genassym.c
175
176${SYSTEM_OBJS} genassym.o vers.o: opt_global.h
177
178depend: assym.s param.c vnode_if.h ${BEFORE_DEPEND} \
179	    ${CFILES} ${SYSTEM_CFILES} ${GEN_CFILES} ${SFILES} \
180	    ${SYSTEM_SFILES} ${MFILES:T:S/.m$/.h/}
181	rm -f .newdep
182	mkdep -a -f .newdep ${CFLAGS} ${CFILES} ${SYSTEM_CFILES} ${GEN_CFILES}
183	env MKDEP_CPP="${CC} -E" \
184	    mkdep -a -f .newdep ${ASM_CFLAGS} ${SFILES} ${SYSTEM_SFILES}
185	rm -f .depend
186	mv -f .newdep .depend
187
188cleandepend:
189	rm -f .depend
190
191links:
192	egrep '#if' ${CFILES} | sed -f $S/conf/defines | \
193	  sed -e 's/:.*//' -e 's/\.c/.o/' | sort -u > dontlink
194	echo ${CFILES} | tr -s ' ' '\12' | sed 's/\.c/.o/' | \
195	  sort -u | comm -23 - dontlink | \
196	  sed 's,../.*/\(.*.o\),rm -f \1;ln -s ../GENERIC/\1 \1,' > makelinks
197	sh makelinks && rm -f dontlink
198
199tags:
200	@[ -f .depend ] || { echo "you must make depend first"; exit 1; }
201	sh $S/conf/systags.sh
202	rm -f tags1
203	sed -e 's,      ../,    ,' tags > tags1
204
205install install.debug:
206	@if [ ! -f ${KERNEL}${.TARGET:S/install//} ] ; then \
207		echo "You must build a kernel first." ; \
208		exit 1 ; \
209	fi
210.if exists(${DESTDIR}/${KERNEL})
211	-chflags noschg ${DESTDIR}/${KERNEL}
212	mv ${DESTDIR}/${KERNEL} ${DESTDIR}/${KERNEL}.old
213.endif
214	install -c -m 555 -o root -g wheel -fschg \
215		${KERNEL}${.TARGET:S/install//} ${DESTDIR}/${KERNEL}
216
217reinstall reinstall.debug:
218	install -c -m 555 -o root -g wheel -fschg \
219		${KERNEL}${.TARGET:S/reinstall//} ${DESTDIR}/${KERNEL}
220
221config.o:
222	${NORMAL_C}
223
224ioconf.o:
225	${NORMAL_C}
226
227param.c: $S/conf/param.c
228	-rm -f param.c
229	cp $S/conf/param.c .
230
231param.o:
232	${NORMAL_C}
233
234vers.c: $S/conf/newvers.sh $S/sys/param.h ${SYSTEM_DEP}
235	sh $S/conf/newvers.sh ${KERN_IDENT} ${IDENT}
236
237# XXX strictly, everything depends on Makefile because changes to ${PROF}
238# only appear there, but we don't handle that.
239vers.o:
240	${NORMAL_C}
241
242vnode_if.c: $S/kern/vnode_if.pl $S/kern/vnode_if.src
243	perl5 $S/kern/vnode_if.pl -c $S/kern/vnode_if.src
244
245vnode_if.h: $S/kern/vnode_if.pl $S/kern/vnode_if.src
246	perl5 $S/kern/vnode_if.pl -h $S/kern/vnode_if.src
247
248vnode_if.o:
249	${NORMAL_C}
250
251# Commented out for now pending a better solution.
252# How do we pick up compiler version specific flags??
253#.if exists($S/../share/mk)
254#.include "$S/../share/mk/bsd.kern.mk"
255#.else
256.include <bsd.kern.mk>
257#.endif
258
259%RULES
260
261# DO NOT DELETE THIS LINE -- make depend uses it
262