build.sh revision 1.78
1 #! /usr/bin/env sh 2 # $NetBSD: build.sh,v 1.78 2003/01/02 05:11:12 lukem 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 # Note, however, that due to the way the interpreter is invoked above, 10 # if a POSIX-compliant shell is the first in the PATH, you won't have 11 # to take any further action. 12 # 13 14 bomb () { 15 echo "" 16 echo "ERROR: $@" 17 echo "*** BUILD ABORTED ***" 18 exit 1 19 } 20 21 cd `dirname $0` 22 [ -d usr.bin/make ] || bomb "build.sh must be run from the top source level" 23 [ -f share/mk/bsd.own.mk ] || bomb "src/share/mk is missing; please re-fetch the source tree" 24 25 uname_s=$(uname -s 2>/dev/null) 26 uname_m=$(uname -m 2>/dev/null) 27 28 # If $PWD is a valid name of the current directory, POSIX mandates that pwd 29 # return it by default which causes problems in the presence of symlinks. 30 # Unsetting PWD is simpler than changing every occurrence of pwd to use -P. 31 # 32 # XXX Except that doesn't work on Solaris. 33 unset PWD 34 if [ "${uname_s}" = "SunOS" ]; then 35 TOP=`pwd -P` 36 else 37 TOP=`pwd` 38 fi 39 40 getarch () { 41 # Translate a MACHINE into a default MACHINE_ARCH. 42 case $MACHINE in 43 acorn26|acorn32|cats|netwinder|shark|*arm) 44 MACHINE_ARCH=arm;; 45 46 sun2) 47 MACHINE_ARCH=m68000;; 48 49 amiga|atari|cesfic|hp300|sun3|*68k) 50 MACHINE_ARCH=m68k;; 51 52 mipsco|newsmips|sbmips|sgimips) 53 MACHINE_ARCH=mipseb;; 54 55 algor|arc|cobalt|evbmips|hpcmips|playstation2|pmax) 56 MACHINE_ARCH=mipsel;; 57 58 pc532) 59 MACHINE_ARCH=ns32k;; 60 61 bebox|prep|sandpoint|*ppc) 62 MACHINE_ARCH=powerpc;; 63 64 evbsh3|mmeye) 65 MACHINE_ARCH=sh3eb;; 66 67 dreamcast|hpcsh) 68 MACHINE_ARCH=sh3el;; 69 70 hp700) 71 MACHINE_ARCH=hppa;; 72 73 evbsh5) 74 MACHINE_ARCH=sh5el;; 75 76 alpha|i386|sparc|sparc64|vax|x86_64) 77 MACHINE_ARCH=$MACHINE;; 78 79 *) bomb "unknown target MACHINE: $MACHINE";; 80 esac 81 } 82 83 validatearch () { 84 # Ensure that the MACHINE_ARCH exists (and is supported by build.sh). 85 case $MACHINE_ARCH in 86 alpha|arm|armeb|hppa|i386|m68000|m68k|mipse[bl]|ns32k|powerpc|sh[35]e[bl]|sparc|sparc64|vax|x86_64) 87 ;; 88 89 *) bomb "unknown target MACHINE_ARCH: $MACHINE_ARCH";; 90 esac 91 } 92 93 getmakevar () { 94 $make -m ${TOP}/share/mk -s -f- _x_ <<EOF 95 _x_: 96 echo \${$1} 97 .include <bsd.prog.mk> 98 .include <bsd.kernobj.mk> 99 EOF 100 } 101 102 resolvepath () { 103 case $OPTARG in 104 /*) ;; 105 *) OPTARG="$TOP/$OPTARG";; 106 esac 107 } 108 109 usage () { 110 cat <<_usage_ 111 Usage: 112 `basename $0` [-bdEnortUu] [-a arch] [-B buildid] [-D dest] [-i idir] [-j njob] 113 [-k kernel] [-M obj] [-m mach] [-O obj] [-R release] [-T tools] [-w wrapper] 114 115 -a arch set MACHINE_ARCH to arch (otherwise deduced from MACHINE) 116 -B buildid set BUILDID to buildid 117 -b build nbmake and nbmake wrapper script, if needed 118 -D dest set DESTDIR to dest 119 -d build a full distribution into DESTDIR (including etc files) 120 -E set "expert" mode; disables some DESTDIR checks 121 -i idir installworld from DESTDIR to idir 122 -j njob run up to njob jobs in parallel; see make(1) 123 -k kernel build a kernel using the named configuration file 124 -M obj set obj root directory to obj (sets MAKEOBJDIRPREFIX) 125 -m mach set MACHINE to mach (not required if NetBSD native) 126 -n show commands that would be executed, but do not execute them 127 -O obj set obj root directory to obj (sets a MAKEOBJDIR pattern) 128 -o set MKOBJDIRS=no (do not create objdirs at start of build) 129 -R release build a release (and set RELEASEDIR to release) 130 -r remove contents of TOOLDIR and DESTDIR before building 131 -T tools set TOOLDIR to tools 132 -t build and install tools only (implies -b) 133 -U set UNPRIVED 134 -u set UPDATE 135 -w wrapper create nbmake script at wrapper 136 (default TOOLDIR/bin/nbmake-MACHINE) 137 138 Note: if -T is unset and TOOLDIR is not set in the environment, 139 nbmake will be [re]built unconditionally. 140 _usage_ 141 exit 1 142 } 143 144 # Set defaults. 145 MAKEFLAGS= 146 buildtarget=build 147 do_buildsystem=true 148 do_buildkernel=false 149 do_buildtools=false 150 do_rebuildmake=false 151 do_removedirs=false 152 expert_mode=false 153 makeenv= 154 makewrapper= 155 installworlddir= 156 opt_a=no 157 opts='a:B:bD:dEhi:j:k:M:m:nO:oR:rT:tUuw:' 158 runcmd= 159 160 if type getopts >/dev/null 2>&1; then 161 # Use POSIX getopts. 162 getoptcmd='getopts $opts opt && opt=-$opt' 163 optargcmd=':' 164 else 165 type getopt >/dev/null 2>&1 || bomb "/bin/sh shell is too old; try ksh or bash" 166 167 # Use old-style getopt(1) (doesn't handle whitespace in args). 168 args="`getopt $opts $*`" 169 [ $? = 0 ] || usage 170 set -- $args 171 172 getoptcmd='[ $# -gt 0 ] && opt="$1" && shift' 173 optargcmd='OPTARG="$1"; shift' 174 fi 175 176 # Parse command line options. 177 while eval $getoptcmd; do case $opt in 178 -a) eval $optargcmd 179 MACHINE_ARCH=$OPTARG; opt_a=yes;; 180 181 -B) eval $optargcmd 182 BUILDID=$OPTARG;; 183 184 -b) do_buildsystem=false;; 185 186 -D) eval $optargcmd; resolvepath 187 DESTDIR="$OPTARG"; export DESTDIR 188 makeenv="$makeenv DESTDIR";; 189 190 -d) buildtarget=distribution;; 191 192 -E) expert_mode=true;; 193 194 -i) eval $optargcmd 195 installworlddir=$OPTARG;; 196 197 -j) eval $optargcmd 198 parallel="-j $OPTARG";; 199 200 -k) do_buildkernel=true; do_buildsystem=false 201 eval $optargcmd 202 kernconfname=$OPTARG;; 203 204 -M) eval $optargcmd; resolvepath 205 MAKEOBJDIRPREFIX="$OPTARG"; export MAKEOBJDIRPREFIX 206 makeobjdir=$OPTARG 207 makeenv="$makeenv MAKEOBJDIRPREFIX";; 208 209 # -m overrides MACHINE_ARCH unless "-a" is specified 210 -m) eval $optargcmd 211 MACHINE=$OPTARG; [ "$opt_a" != "yes" ] && getarch;; 212 213 -n) runcmd=echo;; 214 215 -O) eval $optargcmd; resolvepath 216 MAKEOBJDIR="\${.CURDIR:C,^$TOP,$OPTARG,}"; export MAKEOBJDIR 217 makeobjdir=$OPTARG 218 makeenv="$makeenv MAKEOBJDIR";; 219 220 -o) MKOBJDIRS=no;; 221 222 -R) eval $optargcmd; resolvepath 223 RELEASEDIR=$OPTARG; export RELEASEDIR 224 makeenv="$makeenv RELEASEDIR" 225 buildtarget=release;; 226 227 -r) do_removedirs=true; do_rebuildmake=true;; 228 229 -T) eval $optargcmd; resolvepath 230 TOOLDIR="$OPTARG"; export TOOLDIR;; 231 232 -t) do_buildtools=true; do_buildsystem=false;; 233 234 -U) UNPRIVED=yes; export UNPRIVED 235 makeenv="$makeenv UNPRIVED";; 236 237 -u) UPDATE=yes; export UPDATE 238 makeenv="$makeenv UPDATE";; 239 240 -w) eval $optargcmd; resolvepath 241 makewrapper="$OPTARG";; 242 243 --) break;; 244 -'?'|-h) usage;; 245 esac; done 246 247 # Set up MACHINE*. On a NetBSD host, these are allowed to be unset. 248 if [ -z "$MACHINE" ]; then 249 if [ "${uname_s}" != "NetBSD" ]; then 250 echo "MACHINE must be set, or -m must be used, for cross builds." 251 echo ""; usage 252 fi 253 MACHINE=${uname_m} 254 fi 255 [ -n "$MACHINE_ARCH" ] || getarch 256 validatearch 257 258 # Set up default make(1) environment. 259 makeenv="$makeenv TOOLDIR MACHINE MACHINE_ARCH MAKEFLAGS" 260 if [ ! -z "$BUILDID" ]; then 261 makeenv="$makeenv BUILDID" 262 fi 263 MAKEFLAGS="-m $TOP/share/mk $MAKEFLAGS MKOBJDIRS=${MKOBJDIRS-yes}" 264 export MAKEFLAGS MACHINE MACHINE_ARCH 265 266 # Test make source file timestamps against installed nbmake binary, 267 # if TOOLDIR is pre-set. 268 # 269 # Note that we do NOT try to grovel "mk.conf" here to find out if TOOLDIR 270 # is set there, because it can contain make variable expansions and other 271 # stuff only parseable *after* we have a working nbmake. So this logic 272 # can only work if the user has pre-set TOOLDIR in the environment or 273 # used the -T option to build.sh. 274 # 275 make="${TOOLDIR-nonexistent}/bin/nbmake" 276 if [ -x $make ]; then 277 for f in usr.bin/make/*.[ch] usr.bin/make/lst.lib/*.[ch]; do 278 if [ $f -nt $make ]; then 279 do_rebuildmake=true; break 280 fi 281 done 282 else 283 do_rebuildmake=true 284 fi 285 286 # Build bootstrap nbmake if needed. 287 if $do_rebuildmake; then 288 $runcmd echo "===> Bootstrapping nbmake" 289 tmpdir="${TMPDIR-/tmp}/nbbuild$$" 290 291 $runcmd mkdir "$tmpdir" || bomb "cannot mkdir: $tmpdir" 292 trap "cd /; rm -r -f \"$tmpdir\"" 0 293 trap "exit 1" 1 2 3 15 294 $runcmd cd "$tmpdir" 295 296 $runcmd env CC="${HOST_CC-cc}" CPPFLAGS="${HOST_CPPFLAGS}" \ 297 CFLAGS="${HOST_CFLAGS--O}" LDFLAGS="${HOST_LDFLAGS}" \ 298 "$TOP/tools/make/configure" \ 299 || bomb "configure of nbmake failed" 300 $runcmd sh buildmake.sh || bomb "build of nbmake failed" 301 302 make="$tmpdir/nbmake" 303 $runcmd cd "$TOP" 304 $runcmd rm -f usr.bin/make/*.o usr.bin/make/lst.lib/*.o 305 fi 306 307 EXTERNAL_TOOLCHAIN=`getmakevar EXTERNAL_TOOLCHAIN` 308 if [ "$runcmd" = "echo" ]; then 309 TOOLCHAIN_MISSING=no 310 else 311 TOOLCHAIN_MISSING=`getmakevar TOOLCHAIN_MISSING` 312 fi 313 if [ "${TOOLCHAIN_MISSING}" = "yes" -a \ 314 "${EXTERNAL_TOOLCHAIN}" = "" ]; then 315 echo "ERROR: build.sh (in-tree cross-toolchain) is not yet available for" 316 echo 317 echo "MACHINE: ${MACHINE}" 318 echo "MACHINE_ARCH: ${MACHINE_ARCH}" 319 echo 320 echo "All builds for this platform should be done via a traditional make" 321 echo 322 echo "If you wish to use an external cross-toolchain, set" 323 echo 324 echo "EXTERNAL_TOOLCHAIN=<path to toolchain root>" 325 echo 326 echo "in either the environment or mk.conf and rerun" 327 echo 328 echo "$0 $*" 329 exit 1 330 fi 331 332 # If TOOLDIR isn't already set, make objdirs in "tools" in case the 333 # default setting from <bsd.own.mk> is used. 334 if [ -z "$TOOLDIR" ] && [ "$MKOBJDIRS" != "no" ]; then 335 $runcmd cd tools 336 $runcmd $make -m ${TOP}/share/mk obj NOSUBDIR= \ 337 || bomb "make obj failed in tools" 338 $runcmd cd "$TOP" 339 fi 340 341 # 342 # If setting -M or -O to root an obj dir make sure the base directory is made 343 # before continuing as bsd.own.mk will need this to pick up _SRC_TOP_OBJ_ 344 # 345 if [ "$MKOBJDIRS" != "no" ] && [ ! -z "$makeobjdir" ]; then 346 $runcmd mkdir -p "$makeobjdir" 347 fi 348 349 # Find DESTDIR and TOOLDIR. 350 if [ "$runcmd" = "echo" ]; then 351 # shown symbolically with -n because these may come from mk.conf 352 DESTDIR='$DESTDIR' 353 TOOLDIR='$TOOLDIR' 354 else 355 DESTDIR=`getmakevar DESTDIR`; 356 [ $? = 0 ] || bomb "getmakevar DESTDIR failed"; 357 $runcmd echo "===> DESTDIR path: $DESTDIR" 358 359 TOOLDIR=`getmakevar TOOLDIR`; 360 [ $? = 0 ] || bomb "getmakevar TOOLDIR failed"; 361 $runcmd echo "===> TOOLDIR path: $TOOLDIR" 362 363 export DESTDIR TOOLDIR 364 fi 365 366 # Check validity of TOOLDIR and DESTDIR. 367 if [ -z "$TOOLDIR" ] || [ "$TOOLDIR" = "/" ]; then 368 bomb "TOOLDIR '$TOOLDIR' invalid" 369 fi 370 removedirs="$TOOLDIR" 371 372 if [ -z "$DESTDIR" ] || [ "$DESTDIR" = "/" ]; then 373 if $do_buildsystem; then 374 if [ "$buildtarget" != "build" ] || \ 375 [ "${uname_s}" != "NetBSD" ] || \ 376 [ "${uname_m}" != "$MACHINE" ]; then 377 bomb "DESTDIR must be set to a non-root path for cross builds or -d or -R." 378 fi 379 if ! $expert_mode; then 380 bomb "DESTDIR must be set to a non-root path for non -E (expert) builds" 381 fi 382 $runcmd echo "===> WARNING: Building to /, in expert mode." 383 $runcmd echo "===> This may cause your system to break! Reasons include:" 384 $runcmd echo "===> - your kernel is not up to date" 385 $runcmd echo "===> - the libraries or toolchain have changed" 386 $runcmd echo "===> YOU HAVE BEEN WARNED!" 387 fi 388 else 389 removedirs="$removedirs $DESTDIR" 390 fi 391 392 if [ "$installworlddir" = "/" ]; then 393 if [ "${uname_s}" != "NetBSD" ] || \ 394 [ "${uname_m}" != "$MACHINE" ]; then 395 bomb "-i installworlddir must be set to a non-root path for cross builds." 396 fi 397 fi 398 399 # Remove the target directories. 400 if $do_removedirs; then 401 for f in $removedirs; do 402 $runcmd echo "===> Removing $f" 403 $runcmd rm -r -f $f 404 done 405 fi 406 407 # Recreate $TOOLDIR. 408 $runcmd mkdir -p "$TOOLDIR/bin" || bomb "mkdir of '$TOOLDIR/bin' failed" 409 410 # Install nbmake if it was built. 411 if $do_rebuildmake; then 412 $runcmd rm -f "$TOOLDIR/bin/nbmake" 413 $runcmd cp $make "$TOOLDIR/bin/nbmake" \ 414 || bomb "failed to install \$TOOLDIR/bin/nbmake" 415 make="$TOOLDIR/bin/nbmake" 416 $runcmd rm -r -f "$tmpdir" 417 trap 0 1 2 3 15 418 fi 419 420 # Build a nbmake wrapper script, usable by hand as well as by build.sh. 421 if [ -z "$makewrapper" ]; then 422 makewrapper="$TOOLDIR/bin/nbmake-$MACHINE" 423 if [ ! -z "$BUILDID" ]; then 424 makewrapper="$makewrapper-$BUILDID" 425 fi 426 fi 427 428 $runcmd rm -f "$makewrapper" 429 if [ "$runcmd" = "echo" ]; then 430 echo 'cat <<EOF >'$makewrapper 431 makewrapout= 432 else 433 makewrapout=">>\$makewrapper" 434 fi 435 436 eval cat <<EOF $makewrapout 437 #! /bin/sh 438 # Set proper variables to allow easy "make" building of a NetBSD subtree. 439 # Generated from: \$NetBSD: build.sh,v 1.78 2003/01/02 05:11:12 lukem Exp $ 440 # 441 442 EOF 443 for f in $makeenv; do 444 eval echo "$f=\'\$`echo $f`\'\;\ export\ $f" $makewrapout 445 done 446 eval echo "USETOOLS=yes\; export USETOOLS" $makewrapout 447 448 eval cat <<'EOF' $makewrapout 449 450 exec "$TOOLDIR/bin/nbmake" ${1+"$@"} 451 EOF 452 [ "$runcmd" = "echo" ] && echo EOF 453 $runcmd chmod +x "$makewrapper" 454 455 if $do_buildsystem; then 456 # Build everything. 457 ${runcmd-exec} "$makewrapper" $parallel $buildtarget \ 458 || bomb "failed to make $buildtarget" 459 else 460 # One or more of do_buildtools and do_buildkernel 461 # might be set. Do them in the appropriate order. 462 if $do_buildtools; then 463 if [ "$MKOBJDIRS" != "no" ]; then 464 $runcmd "$makewrapper" $parallel obj-tools \ 465 || bomb "failed to make obj-tools" 466 fi 467 $runcmd cd tools 468 if [ "$UPDATE" = "" ]; then 469 $runcmd "$makewrapper" cleandir dependall install \ 470 || bomb "failed to make tools" 471 else 472 $runcmd "$makewrapper" dependall install \ 473 || bomb "failed to make tools" 474 fi 475 fi 476 if $do_buildkernel; then 477 if ! $do_buildtools; then 478 # Building tools every time we build a kernel 479 # is clearly unnecessary. We could try to 480 # figure out whether rebuilding the tools is 481 # necessary this time, but it doesn't seem 482 # worth the trouble. Instead, we say it's the 483 # user's responsibility to rebuild the tools if 484 # necessary. 485 $runcmd echo "===> Building kernel" \ 486 "without building new tools" 487 fi 488 $runcmd echo "===> Building kernel ${kernconfname}" 489 # The correct value of KERNOBJDIR might depend on a 490 # prior "make obj" in TOP/etc. 491 if [ "$MKOBJDIRS" != "no" ] && [ ! -z "$makeobjdir" ]; then 492 $runcmd cd "$TOP/etc" 493 $runcmd "$makewrapper" obj \ 494 || bomb "failed to make obj in etc" 495 $runcmd cd "$TOP" 496 fi 497 if [ "$runcmd" = "echo" ]; then 498 # shown symbolically with -n 499 # because getmakevar might not work yet 500 KERNCONFDIR='$KERNCONFDIR' 501 KERNOBJDIR='$KERNOBJDIR' 502 else 503 KERNCONFDIR="$( getmakevar KERNCONFDIR )" 504 [ $? = 0 ] || bomb "getmakevar KERNCONFDIR failed"; 505 KERNOBJDIR="$( getmakevar KERNOBJDIR )" 506 [ $? = 0 ] || bomb "getmakevar KERNOBJDIR failed"; 507 fi 508 case "${kernconfname}" in 509 */*) 510 kernconfpath="${kernconfname}" 511 kernconfbase="$( basename "${kernconfname}" )" 512 ;; 513 *) 514 kernconfpath="${KERNCONFDIR}/${kernconfname}" 515 kernconfbase="${kernconfname}" 516 ;; 517 esac 518 kernbuilddir="${KERNOBJDIR}/${kernconfbase}" 519 $runcmd echo "===> Kernel build directory: ${kernbuilddir}" 520 $runcmd mkdir -p "${kernbuilddir}" \ 521 || bomb "cannot mkdir: ${kernbuilddir}" 522 if [ "$UPDATE" = "" ]; then 523 $runcmd cd "${kernbuilddir}" 524 $runcmd "$makewrapper" cleandir \ 525 || bomb "make cleandir failed in " \ 526 "${kernbuilddir}" 527 $runcmd cd "$TOP" 528 fi 529 $runcmd "${TOOLDIR}/bin/nbconfig" \ 530 -b "${kernbuilddir}" \ 531 -s "${TOP}/sys" "${kernconfpath}" \ 532 || bomb "nbconfig failed for ${kernconfname}" 533 $runcmd cd "${kernbuilddir}" 534 $runcmd "$makewrapper" depend \ 535 || bomb "make depend failed in ${kernbuilddir}" 536 $runcmd "$makewrapper" $parallel all \ 537 || bomb "make all failed in ${kernbuilddir}" 538 $runcmd echo "===> New kernel should be in ${kernbuilddir}" 539 fi 540 fi 541 542 if [ -n "$installworlddir" ]; then 543 ${runcmd-exec} "$makewrapper" INSTALLWORLDDIR=${installworlddir} \ 544 installworld || bomb "failed to make installworld" 545 fi 546
Indexes created Tue Sep 30 17:09:57 GMT 2025