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= 300009
21
22 KERNFORMAT?= elf
23
24 STD8X16FONT?= iso
25
26 .if exists(./@/.)
27 S= ./@
28 .else
29 S= ../..
30 .endif
31 I386= ${S}/i386
32
33 COPTFLAGS?=-O
34 INCLUDES= -nostdinc -I- -I. -I$S
35 # This hack is to allow kernel compiles to succeed on machines w/out srcdist
36 .if exists($S/../include)
37 INCLUDES+= -I$S/../include
38 .else
39 INCLUDES+= -I/usr/include
40 .endif
41 COPTS= ${INCLUDES} ${IDENT} -DKERNEL -DVM_STACK -include opt_global.h
42 CFLAGS= ${COPTFLAGS} ${CWARNFLAGS} ${DEBUG} ${COPTS}
43
44 # XXX LOCORE means "don't declare C stuff" not "for locore.s".
45 ASM_CFLAGS= -x assembler-with-cpp -DLOCORE ${CFLAGS}
46
47 # Use the default object format for genassym, etc.
48 GEN_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"
54 CFLAGS+= -elf
55 .else
56 CFLAGS+= -aout
57 .endif
58
59 LOAD_ADDRESS?= C0100000
60 DEFINED_PROF= ${PROF}
61 .if defined(PROF)
62 CFLAGS+= -malign-functions=4
63 .if ${PROFLEVEL} >= 2
64 IDENT+= -DGPROF4 -DGUPROF
65 PROF+= -mprofiler-epilogue
66 .endif
67 .endif
68
69 NORMAL_C= ${CC} -c ${CFLAGS} ${PROF} $<
70 NORMAL_C_C= ${CC} -c ${CFLAGS} ${PROF} $<
71 NORMAL_S= ${CC} -c ${ASM_CFLAGS} $<
72 DRIVER_C= ${CC} -c ${CFLAGS} ${PROF} $<
73 DRIVER_C_C= ${CC} -c ${CFLAGS} ${PROF} $<
74 DRIVER_S= ${CC} -c -x ${ASM_CFLAGS} $<
75 PROFILE_C= ${CC} -c ${CFLAGS} $<
76
77 GEN_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.
82 SYSTEM_CFILES= ioconf.c param.c vnode_if.c config.c
83 SYSTEM_SFILES= ${I386}/i386/locore.s
84 SYSTEM_DEP= Makefile symbols.exclude symbols.sort ${SYSTEM_OBJS}
85 .if ${CFLAGS:M-g} == ""
86 SYMORDER_EXCLUDE=-x symbols.exclude
87 .endif
88 SYSTEM_LD_HEAD= @echo loading ${.TARGET}; rm -f ${.TARGET}
89 .if ${KERNFORMAT} == aout || ${KERNFORMAT} == aoutkld
90 SYSTEM_OBJS= locore.o vnode_if.o ${OBJS} ioconf.o param.o config.o
91 SYSTEM_LD= @${LD} -aout -Bforcedynamic -Z -T ${LOAD_ADDRESS} -o ${.TARGET} -X ${SYSTEM_OBJS} vers.o
92 SYSTEM_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
97 SYSTEM_OBJS= locore.o setdef0.o vnode_if.o ${OBJS} ioconf.o param.o config.o \
98 setdef1.o hack.So
99 SYSTEM_LD= @${LD} -elf -Bdynamic -T $S/i386/conf/kernel.script \
100 -export-dynamic -dynamic-linker /red/herring \
101 -o ${.TARGET} -X ${SYSTEM_OBJS} vers.o
102 SYSTEM_LD_TAIL= @size -elf ${.TARGET} ; chmod 755 ${.TARGET}
103 SYSTEM_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}: vnode_if.h ${BEFORE_DEPEND:M*.h}
122 .endif
123
124 clean:
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
136 symbols.exclude:
137 echo "gcc2_compiled." >symbols.exclude
138 echo "___gnu_compiled_c" >>symbols.exclude
139
140 symbols.sort: ${I386}/i386/symbols.raw
141 grep -v '^#' ${I386}/i386/symbols.raw \
142 | sed 's/^ //' | sort -u > symbols.sort
143
144 locore.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.
151 hack.So: Makefile
152 touch hack.c
153 ${CC} -elf -shared -nostdlib hack.c -o hack.So
154 rm -f hack.c
155 .endif
156
157 .ORDER: setdefs.h setdef0.c setdef1.c
158
159 setdef0.o: setdef0.c setdefs.h
160 ${NORMAL_C}
161
162 setdef1.o: setdef1.c setdefs.h
163 ${NORMAL_C}
164
165 setdef0.c setdef1.c setdefs.h: ${OBJS}
166 @gensetdefs ${OBJS}
167
168 # this rule stops ./assym.s in .depend from causing problems
169 ./assym.s: assym.s
170
171 assym.s: genassym
172 ./genassym >assym.s
173
174 genassym.o: ${I386}/i386/genassym.c
175 ${CC} -c ${GEN_CFLAGS} ${I386}/i386/genassym.c
176
177 genassym: genassym.o
178 ${CC} ${GEN_CFLAGS} genassym.o -o ${.TARGET}
179
180 ${SYSTEM_OBJS} genassym.o vers.o: opt_global.h
181
182 # XXX this assumes that the options for NORMAL_C* and DRIVER_C* are identical.
183 depend: assym.s param.c vnode_if.h ${BEFORE_DEPEND}
184 rm -f .newdep
185 mkdep -a -f .newdep ${CFLAGS} ${CFILES} ${SYSTEM_CFILES}
186 mkdep -a -f .newdep ${GEN_CFLAGS} ${GEN_CFILES}
187 env MKDEP_CPP="${CC} -E" \
188 mkdep -a -f .newdep ${ASM_CFLAGS} ${SFILES} ${SYSTEM_SFILES}
189 rm -f .depend
190 mv -f .newdep .depend
191
192 cleandepend:
193 rm -f .depend
194
195 links:
196 egrep '#if' ${CFILES} | sed -f $S/conf/defines | \
197 sed -e 's/:.*//' -e 's/\.c/.o/' | sort -u > dontlink
198 echo ${CFILES} | tr -s ' ' '\12' | sed 's/\.c/.o/' | \
199 sort -u | comm -23 - dontlink | \
200 sed 's,../.*/\(.*.o\),rm -f \1;ln -s ../GENERIC/\1 \1,' > makelinks
201 sh makelinks && rm -f dontlink
202
203 tags:
204 @[ -f .depend ] || { echo "you must make depend first"; exit 1; }
205 sh $S/conf/systags.sh
206 rm -f tags1
207 sed -e 's, ../, ,' tags > tags1
208
209 install:
210 @if [ ! -f kernel ] ; then \
211 echo "You must first build your kernel before trying to install." ; \
212 exit 1 ; \
213 fi
214 .if ${KERNFORMAT} == "elf" && !defined(FORCE)
215 @if [ -f /kernel -a "`file /kernel 2>/dev/null | grep ELF`" = "" ]; then \
216 echo "WARNING: You are about to install an ELF kernel for the first time!" ; \
217 echo "Please be sure you have upgraded your bootblocks and/or /boot/loader so" ; \
218 echo "that you can boot it. Old bootblocks WILL NOT WORK! Please read:" ; \
219 echo "http://www.freebsd.org/~peter/elfday.html for information." ; \
220 echo "If you are satisfied you can boot an ELF kernel, type: make -DFORCE install" ; \
221 exit 1 ; \
222 fi
223 .endif
224 .if exists(${DESTDIR}/kernel)
225 -chflags noschg ${DESTDIR}/kernel
226 mv ${DESTDIR}/kernel ${DESTDIR}/kernel.old
227 .endif
228 PATH=$${PATH}:/sbin:/usr/sbin; \
229 if [ `sysctl -n kern.bootfile` = ${DESTDIR}/kernel ] ; then \
230 sysctl -w kern.bootfile=${DESTDIR}/kernel.old ; \
231 if [ -f /var/db/kvm_kernel.db ] ; then \
232 mv -f /var/db/kvm_kernel.db /var/db/kvm_kernel.old.db ; \
233 fi \
234 fi
235 install -c -m 555 -o root -g wheel -fschg kernel ${DESTDIR}/
236
237 config.o:
238 ${NORMAL_C}
239
240 ioconf.o:
241 ${NORMAL_C}
242
243 param.c: $S/conf/param.c
244 -rm -f param.c
245 cp $S/conf/param.c .
246
247 param.o:
248 ${NORMAL_C}
249
250 vers.c: $S/conf/newvers.sh $S/sys/param.h ${SYSTEM_DEP}
251 sh $S/conf/newvers.sh ${KERN_IDENT} ${IDENT}
252
253 # XXX strictly, everything depends on Makefile because changes to ${PROF}
254 # only appear there, but we don't handle that.
255 vers.o:
256 ${NORMAL_C}
257
258 .ORDER: vnode_if.c vnode_if.h
259 vnode_if.c vnode_if.h: $S/kern/vnode_if.sh $S/kern/vnode_if.src
260 sh $S/kern/vnode_if.sh $S/kern/vnode_if.src
261
262 vnode_if.o:
263 ${NORMAL_C}
264
265 .if exists($S/../share/mk)
266 .include "$S/../share/mk/bsd.kern.mk"
267 .else
268 .include <bsd.kern.mk>
269 .endif
270
271 %RULES
272
273 # DO NOT DELETE THIS LINE -- make depend uses it
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