xref: /freebsd/sys/conf/Makefile.i386 (revision daf1cffce2e07931f27c6c6998652e90df6ba87e) 
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
57LOAD_ADDRESS?=	C0100000
58DEFINED_PROF=	${PROF}
59.if defined(PROF)
60CFLAGS+=	-malign-functions=4
61.if ${PROFLEVEL} >= 2
62IDENT+=	-DGPROF4 -DGUPROF
63PROF+=	-mprofiler-epilogue
64.endif
65.endif
66
67# Put configuration-specific C flags last (except for ${PROF}) so that they
68# can override the others.
69CFLAGS+=	${CONF_CFLAGS}
70
71NORMAL_C= ${CC} -c ${CFLAGS} ${PROF} ${.IMPSRC}
72NORMAL_C_C= ${CC} -c ${CFLAGS} ${PROF} ${.IMPSRC}
73NORMAL_S= ${CC} -c ${ASM_CFLAGS} ${.IMPSRC}
74PROFILE_C= ${CC} -c ${CFLAGS} ${.IMPSRC}
75
76GEN_CFILES= $S/$M/$M/genassym.c
77# setdef0.c and setdef1.c are intentionally
78# omitted from SYSTEM_CFILES.  They include setdefs.h, a header which
79# is generated from all of ${OBJS}.  We don't want to have to compile
80# everything just to do a make depend.
81SYSTEM_CFILES= ioconf.c param.c vnode_if.c config.c
82SYSTEM_SFILES= $S/$M/$M/locore.s
83SYSTEM_DEP= Makefile ${SYSTEM_OBJS}
84SYSTEM_OBJS= locore.o setdef0.o vnode_if.o ${OBJS} ioconf.o param.o config.o \
85	setdef1.o hack.So
86SYSTEM_LD= @${LD} ${FMT} -Bdynamic -T $S/conf/ldscript.$M \
87	-export-dynamic -dynamic-linker /red/herring \
88	-o ${.TARGET} -X ${SYSTEM_OBJS} vers.o
89SYSTEM_LD_TAIL= @${SIZE} ${FMT} ${.TARGET} ; chmod 755 ${.TARGET}
90SYSTEM_DEP+= $S/conf/ldscript.$M
91
92%BEFORE_DEPEND
93
94%OBJS
95
96%CFILES
97
98%SFILES
99
100%MFILES
101
102%CLEAN
103
104all: ${KERNEL}
105
106.if !defined(DEBUG)
107FULLKERNEL=	${KERNEL}
108.else
109FULLKERNEL=	${KERNEL}.debug
110${KERNEL}: ${FULLKERNEL}
111	objcopy --strip-debug ${FULLKERNEL} ${KERNEL}
112.endif
113
114${FULLKERNEL}: ${SYSTEM_DEP} vers.o
115	@rm -f ${.TARGET}
116	@echo linking ${.TARGET}
117	${SYSTEM_LD}
118	${SYSTEM_LD_TAIL}
119
120.if !exists(.depend)
121${SYSTEM_OBJS}: vnode_if.h ${BEFORE_DEPEND:M*.h}
122.endif
123
124clean:
125	rm -f *.o *.so *.So *.ko *.s eddep errs genassym \
126	      ${FULLKERNEL} ${KERNEL} linterrs makelinks param.c \
127	      setdef[01].c setdefs.h tags \
128	      vers.c vnode_if.c vnode_if.h ${CLEAN}
129
130#lint: /tmp param.c
131#	@lint -hbxn -DGENERIC -Dvolatile= ${COPTS} \
132#	  $S/$M/$M/Locore.c ${CFILES} ioconf.c param.c | \
133#	    grep -v 'struct/union .* never defined' | \
134#	    grep -v 'possible pointer alignment problem'
135
136locore.o: $S/$M/$M/locore.s assym.s
137	${NORMAL_S}
138
139# This is a hack.  BFD "optimizes" away dynamic mode if there are no
140# dynamic references.  We could probably do a '-Bforcedynamic' mode like
141# in the a.out ld.  For now, this works.
142hack.So: Makefile
143	touch hack.c
144	${CC} ${FMT} -shared -nostdlib hack.c -o hack.So
145	rm -f hack.c
146
147.ORDER: setdefs.h setdef0.c setdef1.c
148
149setdef0.o: setdef0.c setdefs.h
150	${NORMAL_C}
151
152setdef1.o: setdef1.c setdefs.h
153	${NORMAL_C}
154
155setdef0.c setdef1.c setdefs.h: ${OBJS}
156	@gensetdefs ${OBJS}
157
158# this rule stops ./assym.s in .depend from causing problems
159./assym.s: assym.s
160
161assym.s: genassym.o
162	genassym genassym.o >assym.s
163
164genassym.o: $S/$M/$M/genassym.c
165	${CC} -c ${CFLAGS} $S/$M/$M/genassym.c
166
167${SYSTEM_OBJS} genassym.o vers.o: opt_global.h
168
169depend: assym.s param.c vnode_if.h ${BEFORE_DEPEND} \
170	    ${CFILES} ${SYSTEM_CFILES} ${GEN_CFILES} ${SFILES} ${SYSTEM_SFILES}
171	rm -f .newdep
172	mkdep -a -f .newdep ${CFLAGS} ${CFILES} ${SYSTEM_CFILES} ${GEN_CFILES}
173	env MKDEP_CPP="${CC} -E" \
174	    mkdep -a -f .newdep ${ASM_CFLAGS} ${SFILES} ${SYSTEM_SFILES}
175	rm -f .depend
176	mv -f .newdep .depend
177
178cleandepend:
179	rm -f .depend
180
181links:
182	egrep '#if' ${CFILES} | sed -f $S/conf/defines | \
183	  sed -e 's/:.*//' -e 's/\.c/.o/' | sort -u > dontlink
184	echo ${CFILES} | tr -s ' ' '\12' | sed 's/\.c/.o/' | \
185	  sort -u | comm -23 - dontlink | \
186	  sed 's,../.*/\(.*.o\),rm -f \1;ln -s ../GENERIC/\1 \1,' > makelinks
187	sh makelinks && rm -f dontlink
188
189tags:
190	@[ -f .depend ] || { echo "you must make depend first"; exit 1; }
191	sh $S/conf/systags.sh
192	rm -f tags1
193	sed -e 's,      ../,    ,' tags > tags1
194
195install install.debug:
196	@if [ ! -f ${KERNEL}${.TARGET:S/install//} ] ; then \
197		echo "You must build a kernel first." ; \
198		exit 1 ; \
199	fi
200.if exists(${DESTDIR}/${KERNEL})
201	-chflags noschg ${DESTDIR}/${KERNEL}
202	mv ${DESTDIR}/${KERNEL} ${DESTDIR}/${KERNEL}.old
203.endif
204	install -c -m 555 -o root -g wheel -fschg \
205		${KERNEL}${.TARGET:S/install//} ${DESTDIR}/${KERNEL}
206
207reinstall reinstall.debug:
208	install -c -m 555 -o root -g wheel -fschg \
209		${KERNEL}${.TARGET:S/reinstall//} ${DESTDIR}/${KERNEL}
210
211config.o:
212	${NORMAL_C}
213
214ioconf.o:
215	${NORMAL_C}
216
217param.c: $S/conf/param.c
218	-rm -f param.c
219	cp $S/conf/param.c .
220
221param.o:
222	${NORMAL_C}
223
224vers.c: $S/conf/newvers.sh $S/sys/param.h ${SYSTEM_DEP}
225	sh $S/conf/newvers.sh ${KERN_IDENT} ${IDENT}
226
227# XXX strictly, everything depends on Makefile because changes to ${PROF}
228# only appear there, but we don't handle that.
229vers.o:
230	${NORMAL_C}
231
232vnode_if.c: $S/kern/vnode_if.pl $S/kern/vnode_if.src
233	perl5 $S/kern/vnode_if.pl -c $S/kern/vnode_if.src
234
235vnode_if.h: $S/kern/vnode_if.pl $S/kern/vnode_if.src
236	perl5 $S/kern/vnode_if.pl -h $S/kern/vnode_if.src
237
238vnode_if.o:
239	${NORMAL_C}
240
241# Commented out for now pending a better solution.
242# How do we pick up compiler version specific flags??
243#.if exists($S/../share/mk)
244#.include "$S/../share/mk/bsd.kern.mk"
245#.else
246.include <bsd.kern.mk>
247#.endif
248
249%RULES
250
251# DO NOT DELETE THIS LINE -- make depend uses it
252