build.sh revision 1.58.2.3 1 #! /bin/sh
2 # $NetBSD: build.sh,v 1.58.2.3 2002/11/03 14:36:36 he Exp $
3 #
4 # Top level build wrapper, for a system containing no tools.
5 #
6 # This script should run on any POSIX-compliant shell. For systems
7 # with a strange /bin/sh, "ksh" or "bash" may be an ample alternative.
8 #
9
10 bomb () {
11 echo ""
12 echo "ERROR: $@"
13 echo "*** BUILD ABORTED ***"
14 exit 1
15 }
16 [ -d usr.bin/make ] || bomb "build.sh must be run from the top source level"
17 [ -f share/mk/bsd.own.mk ] || bomb "src/share/mk is missing; please re-fetch the source tree"
18
19 TOP=`pwd`
20
21 getarch () {
22 # Translate a MACHINE into a default MACHINE_ARCH.
23 case $MACHINE in
24 acorn26|acorn32|cats|netwinder|shark|*arm)
25 MACHINE_ARCH=arm;;
26
27 sun2)
28 MACHINE_ARCH=m68000;;
29
30 amiga|atari|cesfic|hp300|sun3|*68k)
31 MACHINE_ARCH=m68k;;
32
33 mipsco|newsmips|sbmips|sgimips)
34 MACHINE_ARCH=mipseb;;
35
36 algor|arc|cobalt|evbmips|hpcmips|playstation2|pmax)
37 MACHINE_ARCH=mipsel;;
38
39 pc532)
40 MACHINE_ARCH=ns32k;;
41
42 bebox|mvmeppc|prep|sandpoint|walnut|*ppc)
43 MACHINE_ARCH=powerpc;;
44
45 evbsh3|mmeye)
46 MACHINE_ARCH=sh3eb;;
47
48 dreamcast|hpcsh)
49 MACHINE_ARCH=sh3el;;
50
51 alpha|i386|sparc|sparc64|vax|x86_64)
52 MACHINE_ARCH=$MACHINE;;
53
54 *) bomb "unknown target MACHINE: $MACHINE";;
55 esac
56 }
57
58 validatearch () {
59 # Ensure that the MACHINE_ARCH exists (and is supported by build.sh).
60 case $MACHINE_ARCH in
61 alpha|arm|armeb|i386|m68000|m68k|mipse[bl]|powerpc|sh3e[bl]|sparc|sparc64|vax|x86_64)
62 ;;
63
64 *) bomb "unknown target MACHINE_ARCH: $MACHINE_ARCH";;
65 esac
66 }
67
68 getmakevar () {
69 $make -m ${TOP}/share/mk -s -f- _x_ <<EOF
70 _x_:
71 echo \${$1}
72 .include <bsd.prog.mk>
73 EOF
74 }
75
76 resolvepath () {
77 case $OPTARG in
78 /*) ;;
79 *) OPTARG="$cwd/$OPTARG";;
80 esac
81 }
82
83 usage () {
84 echo "Usage:"
85 echo "$0 [-bdorUu] [-a arch] [-B buildid] [-j njob] [-m mach] "
86 echo " [-w wrapper] [-D dest] [-M obj] [-O obj] [-R release] [-T tools]"
87 echo ""
88 echo " -a: set MACHINE_ARCH to arch (otherwise deduced from MACHINE)"
89 echo " -B: set BUILDID to buildid"
90 echo " -b: build nbmake and nbmake wrapper script, if needed"
91 echo " -D: set DESTDIR to dest"
92 echo " -d: build a full distribution into DESTDIR (including etc files)"
93 echo " -j: Run up to njob jobs in parallel; see make(1)"
94 echo " -M: set obj root directory to obj (sets MAKEOBJDIRPREFIX)"
95 echo " -m: set MACHINE to mach (not required if NetBSD native)"
96 echo " -n: show commands that would be executed, but do not execute them"
97 echo " -O: set obj root directory to obj (sets a MAKEOBJDIR pattern)"
98 echo " -o: set MKOBJDIRS=no (do not create objdirs at start of build)"
99 echo " -R: build a release (and set RELEASEDIR to release)"
100 echo " -r: remove contents of TOOLDIR and DESTDIR before building"
101 echo " -T: set TOOLDIR to tools"
102 echo " -t: build and install tools only (implies -b)"
103 echo " -U: set UNPRIVED"
104 echo " -u: set UPDATE"
105 echo " -w: create nbmake script at wrapper (default TOOLDIR/bin/nbmake-MACHINE)"
106 echo ""
107 echo "Note: if -T is unset and TOOLDIR is not set in the environment,"
108 echo " nbmake will be [re]built unconditionally."
109 exit 1
110 }
111
112 # Set defaults.
113 MAKEFLAGS=
114 buildtarget=build
115 cwd=`pwd`
116 do_buildsystem=true
117 do_buildonlytools=false
118 do_rebuildmake=false
119 do_removedirs=false
120 makeenv=
121 makewrapper=
122 opt_a=no
123 opts='a:B:bdhj:m:nortuw:D:M:O:R:T:U'
124 runcmd=
125
126 if type getopts >/dev/null 2>&1; then
127 # Use POSIX getopts.
128 getoptcmd='getopts $opts opt && opt=-$opt'
129 optargcmd=':'
130 else
131 type getopt >/dev/null 2>&1 || bomb "/bin/sh shell is too old; try ksh or bash"
132
133 # Use old-style getopt(1) (doesn't handle whitespace in args).
134 args="`getopt $opts $*`"
135 [ $? = 0 ] || usage
136 set -- $args
137
138 getoptcmd='[ $# -gt 0 ] && opt="$1" && shift'
139 optargcmd='OPTARG="$1"; shift'
140 fi
141
142 # Parse command line options.
143 while eval $getoptcmd; do case $opt in
144 -a) eval $optargcmd
145 MACHINE_ARCH=$OPTARG; opt_a=yes;;
146
147 -B) eval $optargcmd
148 BUILDID=$OPTARG;;
149
150 -b) do_buildsystem=false;;
151
152 -d) buildtarget=distribution;;
153
154 -j) eval $optargcmd
155 parallel="-j $OPTARG";;
156
157 # -m overrides MACHINE_ARCH unless "-a" is specified
158 -m) eval $optargcmd
159 MACHINE=$OPTARG; [ "$opt_a" != "yes" ] && getarch;;
160
161 -n) runcmd=echo;;
162
163 -o) MKOBJDIRS=no;;
164
165 -r) do_removedirs=true; do_rebuildmake=true;;
166
167 -t) do_buildonlytools=true; do_buildsystem=false;;
168
169 -U) UNPRIVED=yes; export UNPRIVED
170 makeenv="$makeenv UNPRIVED";;
171
172 -u) UPDATE=yes; export UPDATE
173 makeenv="$makeenv UPDATE";;
174
175 -w) eval $optargcmd; resolvepath
176 makewrapper="$OPTARG";;
177
178 -D) eval $optargcmd; resolvepath
179 DESTDIR="$OPTARG"; export DESTDIR
180 makeenv="$makeenv DESTDIR";;
181
182 -M) eval $optargcmd; resolvepath
183 MAKEOBJDIRPREFIX="$OPTARG"; export MAKEOBJDIRPREFIX
184 makeobjdir=$OPTARG
185 makeenv="$makeenv MAKEOBJDIRPREFIX";;
186
187 -O) eval $optargcmd; resolvepath
188 MAKEOBJDIR="\${.CURDIR:C,^$cwd,$OPTARG,}"; export MAKEOBJDIR
189 makeobjdir=$OPTARG
190 makeenv="$makeenv MAKEOBJDIR";;
191
192 -R) eval $optargcmd; resolvepath
193 RELEASEDIR=$OPTARG; export RELEASEDIR
194 makeenv="$makeenv RELEASEDIR"
195 buildtarget=release;;
196
197 -T) eval $optargcmd; resolvepath
198 TOOLDIR="$OPTARG"; export TOOLDIR;;
199
200 --) break;;
201 -'?'|-h) usage;;
202 esac; done
203
204 # Set up MACHINE*. On a NetBSD host, these are allowed to be unset.
205 if [ -z "$MACHINE" ]; then
206 if [ "`uname -s 2>/dev/null`" != "NetBSD" ]; then
207 echo "MACHINE must be set, or -m must be used, for cross builds."
208 echo ""; usage
209 fi
210 MACHINE=`uname -m`
211 fi
212 [ -n "$MACHINE_ARCH" ] || getarch
213 validatearch
214
215 # Set up default make(1) environment.
216 makeenv="$makeenv TOOLDIR MACHINE MACHINE_ARCH MAKEFLAGS"
217 if [ ! -z "$BUILDID" ]; then
218 makeenv="$makeenv BUILDID"
219 fi
220 MAKEFLAGS="-m $cwd/share/mk $MAKEFLAGS MKOBJDIRS=${MKOBJDIRS-yes}"
221 export MAKEFLAGS MACHINE MACHINE_ARCH
222
223 # Test make source file timestamps against installed nbmake binary,
224 # if TOOLDIR is pre-set.
225 #
226 # Note that we do NOT try to grovel "mk.conf" here to find out if TOOLDIR
227 # is set there, because it can contain make variable expansions and other
228 # stuff only parseable *after* we have a working nbmake. So this logic
229 # can only work if the user has pre-set TOOLDIR in the environment or
230 # used the -T option to build.sh.
231 #
232 make="${TOOLDIR-nonexistent}/bin/nbmake"
233 if [ -x $make ]; then
234 for f in usr.bin/make/*.[ch] usr.bin/make/lst.lib/*.[ch]; do
235 # Explcitly use /bin/test here; makes this script
236 # work otherwise-unchanged with Solaris 8's /bin/sh.
237 if /bin/test $f -nt $make; then
238 do_rebuildmake=true; break
239 fi
240 done
241 else
242 do_rebuildmake=true
243 fi
244
245 # Build bootstrap nbmake if needed.
246 if $do_rebuildmake; then
247 $runcmd echo "===> Bootstrapping nbmake"
248 tmpdir="${TMPDIR-/tmp}/nbbuild$$"
249
250 $runcmd mkdir "$tmpdir" || bomb "cannot mkdir: $tmpdir"
251 trap "cd /; rm -r -f \"$tmpdir\"" 0
252 trap "exit 1" 1 2 3 15
253 $runcmd cd "$tmpdir"
254
255 $runcmd env CC="${HOST_CC-cc}" CPPFLAGS="${HOST_CPPFLAGS}" CFLAGS="${HOST_CFLAGS--O}" LDFLAGS="${HOST_LDFLAGS}" \
256 "$cwd/tools/make/configure" || bomb "configure of nbmake failed"
257 $runcmd sh buildmake.sh || bomb "build of nbmake failed"
258
259 make="$tmpdir/nbmake"
260 $runcmd cd "$cwd"
261 $runcmd rm -f usr.bin/make/*.o usr.bin/make/lst.lib/*.o
262 fi
263
264 if [ "$runcmd" = "echo" ]; then
265 USE_NEW_TOOLCHAIN=yes
266 else
267 USE_NEW_TOOLCHAIN=`getmakevar USE_NEW_TOOLCHAIN`
268 fi
269 if [ "${USE_NEW_TOOLCHAIN}" = "" ]; then
270 echo "ERROR: build.sh (new toolchain) is not yet enabled for"
271 echo
272 echo "MACHINE: ${MACHINE}"
273 echo "MACHINE_ARCH: ${MACHINE_ARCH}"
274 echo
275 echo "All builds for this platform should be done via a traditional make"
276 echo
277 echo "If you wish to test using the new toolchain set"
278 echo
279 echo "USE_NEW_TOOLCHAIN=yes"
280 echo
281 echo "in either the environment or mk.conf and rerun"
282 echo
283 echo "$0 $*"
284 exit 1
285 fi
286
287 # If TOOLDIR isn't already set, make objdirs in "tools" in case the
288 # default setting from <bsd.own.mk> is used.
289 if [ -z "$TOOLDIR" ] && [ "$MKOBJDIRS" != "no" ]; then
290 $runcmd cd tools
291 $runcmd $make -m ${TOP}/share/mk obj NOSUBDIR= || exit 1
292 $runcmd cd ..
293 fi
294
295 #
296 # If setting -M or -O to root an obj dir make sure the base directory is made
297 # before continuing as bsd.own.mk will need this to pick up _SRC_TOP_OBJ_
298 #
299 if [ "$MKOBJDIRS" != "no" ] && [ ! -z "$makeobjdir" ]; then
300 $runcmd mkdir -p "$makeobjdir"
301 fi
302
303 # Find DESTDIR and TOOLDIR.
304 if [ "$runcmd" = "echo" ]; then
305 # shown symbolically with -n because these may come from mk.conf
306 DESTDIR='$DESTDIR'
307 TOOLDIR='$TOOLDIR'
308 else
309 DESTDIR=`getmakevar DESTDIR`;
310 [ $? = 0 ] || bomb "getmakevar DESTDIR failed";
311 echo "===> DESTDIR path: $DESTDIR"
312
313 TOOLDIR=`getmakevar TOOLDIR`;
314 [ $? = 0 ] || bomb "getmakevar TOOLDIR failed";
315 echo "===> TOOLDIR path: $TOOLDIR"
316
317 export DESTDIR TOOLDIR
318 fi
319
320 # Check validity of TOOLDIR and DESTDIR.
321 if [ -z "$TOOLDIR" ] || [ "$TOOLDIR" = "/" ]; then
322 bomb "TOOLDIR '$TOOLDIR' invalid"
323 fi
324 removedirs="$TOOLDIR"
325
326 if [ -z "$DESTDIR" ] || [ "$DESTDIR" = "/" ]; then
327 if $do_buildsystem && \
328 ([ "$buildtarget" != "build" ] || \
329 [ "`uname -s 2>/dev/null`" != "NetBSD" ] || \
330 [ "`uname -m`" != "$MACHINE" ]); then
331 bomb "DESTDIR must be set to a non-root path for cross builds or -d or -R."
332 elif $do_buildsystem; then
333 echo "===> WARNING: Building to /."
334 echo "===> If your kernel is not up to date, this may cause the system to break!"
335 fi
336 else
337 removedirs="$removedirs $DESTDIR"
338 fi
339
340 # Remove the target directories.
341 if $do_removedirs; then
342 for f in $removedirs; do
343 echo "===> Removing $f"
344 $runcmd rm -r -f $f
345 done
346 fi
347
348 # Recreate $TOOLDIR.
349 $runcmd mkdir -p "$TOOLDIR/bin" || bomb "mkdir of '$TOOLDIR/bin' failed"
350
351 # Install nbmake if it was built.
352 if $do_rebuildmake; then
353 $runcmd rm -f "$TOOLDIR/bin/nbmake"
354 $runcmd cp $make "$TOOLDIR/bin/nbmake"
355 $runcmd rm -r -f "$tmpdir"
356 trap 0 1 2 3 15
357 fi
358
359 # Build a nbmake wrapper script, usable by hand as well as by build.sh.
360 if [ -z "$makewrapper" ]; then
361 makewrapper="$TOOLDIR/bin/nbmake-$MACHINE"
362 if [ ! -z "$BUILDID" ]; then
363 makewrapper="$makewrapper-$BUILDID"
364 fi
365 fi
366
367 $runcmd rm -f "$makewrapper"
368 if [ "$runcmd" = "echo" ]; then
369 echo 'cat <<EOF >'$makewrapper
370 makewrapout=
371 else
372 makewrapout=">>\$makewrapper"
373 fi
374
375 eval cat <<EOF $makewrapout
376 #! /bin/sh
377 # Set proper variables to allow easy "make" building of a NetBSD subtree.
378 # Generated from: \$NetBSD: build.sh,v 1.58.2.3 2002/11/03 14:36:36 he Exp $
379 #
380
381 EOF
382 for f in $makeenv; do
383 eval echo "$f=\'\$`echo $f`\'\;\ export\ $f" $makewrapout
384 done
385 eval echo "USETOOLS=yes\; export USETOOLS" $makewrapout
386
387 eval cat <<'EOF' $makewrapout
388
389 exec "$TOOLDIR/bin/nbmake" ${1+"$@"}
390 EOF
391 [ "$runcmd" = "echo" ] && echo EOF
392 $runcmd chmod +x "$makewrapper"
393
394 if $do_buildsystem; then
395 ${runcmd-exec} "$makewrapper" $parallel $buildtarget
396 elif $do_buildonlytools; then
397 if [ "$MKOBJDIRS" != "no" ]; then
398 $runcmd "$makewrapper" $parallel obj-tools || exit 1
399 fi
400 $runcmd cd tools
401 if [ "$UPDATE" = "" ]; then
402 ${runcmd-exec} "$makewrapper" cleandir dependall install
403 else
404 ${runcmd-exec} "$makewrapper" dependall install
405 fi
406 fi
407