build.sh revision 1.77
1 #! /usr/bin/env sh 2 # $NetBSD: build.sh,v 1.77 2002/12/25 00:42:50 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: $@" 17 echo "*** BUILD ABORTED ***" 18 exit 1 19 } 20 [ -d usr.bin/make ] || bomb "build.sh must be run from the top source level" 21 [ -f share/mk/bsd.own.mk ] || bomb "src/share/mk is missing; please re-fetch the source tree" 22 23 uname_s=$(uname -s 2>/dev/null) 24 uname_m=$(uname -m 2>/dev/null) 25 26 # If $PWD is a valid name of the current directory, POSIX mandates that pwd 27 # return it by default which causes problems in the presence of symlinks. 28 # Unsetting PWD is simpler than changing every occurrence of pwd to use -P. 29 # 30 # XXX Except that doesn't work on Solaris. 31 unset PWD 32 if [ "${uname_s}" = "SunOS" ]; then 33 TOP=`pwd -P` 34 else 35 TOP=`pwd` 36 fi 37 38 getarch () { 39 # Translate a MACHINE into a default MACHINE_ARCH. 40 case $MACHINE in 41 acorn26|acorn32|cats|netwinder|shark|*arm) 42 MACHINE_ARCH=arm;; 43 44 sun2) 45 MACHINE_ARCH=m68000;; 46 47 amiga|atari|cesfic|hp300|sun3|*68k) 48 MACHINE_ARCH=m68k;; 49 50 mipsco|newsmips|sbmips|sgimips) 51 MACHINE_ARCH=mipseb;; 52 53 algor|arc|cobalt|evbmips|hpcmips|playstation2|pmax) 54 MACHINE_ARCH=mipsel;; 55 56 pc532) 57 MACHINE_ARCH=ns32k;; 58 59 bebox|prep|sandpoint|*ppc) 60 MACHINE_ARCH=powerpc;; 61 62 evbsh3|mmeye) 63 MACHINE_ARCH=sh3eb;; 64 65 dreamcast|hpcsh) 66 MACHINE_ARCH=sh3el;; 67 68 hp700) 69 MACHINE_ARCH=hppa;; 70 71 evbsh5) 72 MACHINE_ARCH=sh5el;; 73 74 alpha|i386|sparc|sparc64|vax|x86_64) 75 MACHINE_ARCH=$MACHINE;; 76 77 *) bomb "unknown target MACHINE: $MACHINE";; 78 esac 79 } 80 81 validatearch () { 82 # Ensure that the MACHINE_ARCH exists (and is supported by build.sh). 83 case $MACHINE_ARCH in 84 alpha|arm|armeb|hppa|i386|m68000|m68k|mipse[bl]|ns32k|powerpc|sh[35]e[bl]|sparc|sparc64|vax|x86_64) 85 ;; 86 87 *) bomb "unknown target MACHINE_ARCH: $MACHINE_ARCH";; 88 esac 89 } 90 91 getmakevar () { 92 $make -m ${TOP}/share/mk -s -f- _x_ <<EOF 93 _x_: 94 echo \${$1} 95 .include <bsd.prog.mk> 96 .include <bsd.kernobj.mk> 97 EOF 98 } 99 100 resolvepath () { 101 case $OPTARG in 102 /*) ;; 103 *) OPTARG="$TOP/$OPTARG";; 104 esac 105 } 106 107 usage () { 108 cat <<_usage_ 109 Usage: 110 `basename $0` [-bdEnortUu] [-a arch] [-B buildid] [-D dest] [-i idir] [-j njob] 111 [-k kernel] [-M obj] [-m mach] [-O obj] [-R release] [-T tools] [-w wrapper] 112 113 -a arch set MACHINE_ARCH to arch (otherwise deduced from MACHINE) 114 -B buildid set BUILDID to buildid 115 -b build nbmake and nbmake wrapper script, if needed 116 -D dest set DESTDIR to dest 117 -d build a full distribution into DESTDIR (including etc files) 118 -E set "expert" mode; disables some DESTDIR checks 119 -i idir installworld from DESTDIR to idir 120 -j njob run up to njob jobs in parallel; see make(1) 121 -k kernel build a kernel using the named configuration file 122 -M obj set obj root directory to obj (sets MAKEOBJDIRPREFIX) 123 -m mach set MACHINE to mach (not required if NetBSD native) 124 -n show commands that would be executed, but do not execute them 125 -O obj set obj root directory to obj (sets a MAKEOBJDIR pattern) 126 -o set MKOBJDIRS=no (do not create objdirs at start of build) 127 -R release build a release (and set RELEASEDIR to release) 128 -r remove contents of TOOLDIR and DESTDIR before building 129 -T tools set TOOLDIR to tools 130 -t build and install tools only (implies -b) 131 -U set UNPRIVED 132 -u set UPDATE 133 -w wrapper create nbmake script at wrapper 134 (default TOOLDIR/bin/nbmake-MACHINE) 135 136 Note: if -T is unset and TOOLDIR is not set in the environment, 137 nbmake will be [re]built unconditionally. 138 _usage_ 139 exit 1 140 } 141 142 # Set defaults. 143 MAKEFLAGS= 144 buildtarget=build 145 do_buildsystem=true 146 do_buildkernel=false 147 do_buildtools=false 148 do_rebuildmake=false 149 do_removedirs=false 150 expert_mode=false 151 makeenv= 152 makewrapper= 153 installworlddir= 154 opt_a=no 155 opts='a:B:bD:dEhi:j:k:M:m:nO:oR:rT:tUuw:' 156 runcmd= 157 158 if type getopts >/dev/null 2>&1; then 159 # Use POSIX getopts. 160 getoptcmd='getopts $opts opt && opt=-$opt' 161 optargcmd=':' 162 else 163 type getopt >/dev/null 2>&1 || bomb "/bin/sh shell is too old; try ksh or bash" 164 165 # Use old-style getopt(1) (doesn't handle whitespace in args). 166 args="`getopt $opts $*`" 167 [ $? = 0 ] || usage 168 set -- $args 169 170 getoptcmd='[ $# -gt 0 ] && opt="$1" && shift' 171 optargcmd='OPTARG="$1"; shift' 172 fi 173 174 # Parse command line options. 175 while eval $getoptcmd; do case $opt in 176 -a) eval $optargcmd 177 MACHINE_ARCH=$OPTARG; opt_a=yes;; 178 179 -B) eval $optargcmd 180 BUILDID=$OPTARG;; 181 182 -b) do_buildsystem=false;; 183 184 -D) eval $optargcmd; resolvepath 185 DESTDIR="$OPTARG"; export DESTDIR 186 makeenv="$makeenv DESTDIR";; 187 188 -d) buildtarget=distribution;; 189 190 -E) expert_mode=true;; 191 192 -i) eval $optargcmd 193 installworlddir=$OPTARG;; 194 195 -j) eval $optargcmd 196 parallel="-j $OPTARG";; 197 198 -k) do_buildkernel=true; do_buildsystem=false 199 eval $optargcmd 200 kernconfname=$OPTARG;; 201 202 -M) eval $optargcmd; resolvepath 203 MAKEOBJDIRPREFIX="$OPTARG"; export MAKEOBJDIRPREFIX 204 makeobjdir=$OPTARG 205 makeenv="$makeenv MAKEOBJDIRPREFIX";; 206 207 # -m overrides MACHINE_ARCH unless "-a" is specified 208 -m) eval $optargcmd 209 MACHINE=$OPTARG; [ "$opt_a" != "yes" ] && getarch;; 210 211 -n) runcmd=echo;; 212 213 -O) eval $optargcmd; resolvepath 214 MAKEOBJDIR="\${.CURDIR:C,^$TOP,$OPTARG,}"; export MAKEOBJDIR 215 makeobjdir=$OPTARG 216 makeenv="$makeenv MAKEOBJDIR";; 217 218 -o) MKOBJDIRS=no;; 219 220 -R) eval $optargcmd; resolvepath 221 RELEASEDIR=$OPTARG; export RELEASEDIR 222 makeenv="$makeenv RELEASEDIR" 223 buildtarget=release;; 224 225 -r) do_removedirs=true; do_rebuildmake=true;; 226 227 -T) eval $optargcmd; resolvepath 228 TOOLDIR="$OPTARG"; export TOOLDIR;; 229 230 -t) do_buildtools=true; do_buildsystem=false;; 231 232 -U) UNPRIVED=yes; export UNPRIVED 233 makeenv="$makeenv UNPRIVED";; 234 235 -u) UPDATE=yes; export UPDATE 236 makeenv="$makeenv UPDATE";; 237 238 -w) eval $optargcmd; resolvepath 239 makewrapper="$OPTARG";; 240 241 --) break;; 242 -'?'|-h) usage;; 243 esac; done 244 245 # Set up MACHINE*. On a NetBSD host, these are allowed to be unset. 246 if [ -z "$MACHINE" ]; then 247 if [ "${uname_s}" != "NetBSD" ]; then 248 echo "MACHINE must be set, or -m must be used, for cross builds." 249 echo ""; usage 250 fi 251 MACHINE=${uname_m} 252 fi 253 [ -n "$MACHINE_ARCH" ] || getarch 254 validatearch 255 256 # Set up default make(1) environment. 257 makeenv="$makeenv TOOLDIR MACHINE MACHINE_ARCH MAKEFLAGS" 258 if [ ! -z "$BUILDID" ]; then 259 makeenv="$makeenv BUILDID" 260 fi 261 MAKEFLAGS="-m $TOP/share/mk $MAKEFLAGS MKOBJDIRS=${MKOBJDIRS-yes}" 262 export MAKEFLAGS MACHINE MACHINE_ARCH 263 264 # Test make source file timestamps against installed nbmake binary, 265 # if TOOLDIR is pre-set. 266 # 267 # Note that we do NOT try to grovel "mk.conf" here to find out if TOOLDIR 268 # is set there, because it can contain make variable expansions and other 269 # stuff only parseable *after* we have a working nbmake. So this logic 270 # can only work if the user has pre-set TOOLDIR in the environment or 271 # used the -T option to build.sh. 272 # 273 make="${TOOLDIR-nonexistent}/bin/nbmake" 274 if [ -x $make ]; then 275 for f in usr.bin/make/*.[ch] usr.bin/make/lst.lib/*.[ch]; do 276 if [ $f -nt $make ]; then 277 do_rebuildmake=true; break 278 fi 279 done 280 else 281 do_rebuildmake=true 282 fi 283 284 # Build bootstrap nbmake if needed. 285 if $do_rebuildmake; then 286 $runcmd echo "===> Bootstrapping nbmake" 287 tmpdir="${TMPDIR-/tmp}/nbbuild$$" 288 289 $runcmd mkdir "$tmpdir" || bomb "cannot mkdir: $tmpdir" 290 trap "cd /; rm -r -f \"$tmpdir\"" 0 291 trap "exit 1" 1 2 3 15 292 $runcmd cd "$tmpdir" 293 294 $runcmd env CC="${HOST_CC-cc}" CPPFLAGS="${HOST_CPPFLAGS}" \ 295 CFLAGS="${HOST_CFLAGS--O}" LDFLAGS="${HOST_LDFLAGS}" \ 296 "$TOP/tools/make/configure" \ 297 || bomb "configure of nbmake failed" 298 $runcmd sh buildmake.sh || bomb "build of nbmake failed" 299 300 make="$tmpdir/nbmake" 301 $runcmd cd "$TOP" 302 $runcmd rm -f usr.bin/make/*.o usr.bin/make/lst.lib/*.o 303 fi 304 305 EXTERNAL_TOOLCHAIN=`getmakevar EXTERNAL_TOOLCHAIN` 306 if [ "$runcmd" = "echo" ]; then 307 TOOLCHAIN_MISSING=no 308 else 309 TOOLCHAIN_MISSING=`getmakevar TOOLCHAIN_MISSING` 310 fi 311 if [ "${TOOLCHAIN_MISSING}" = "yes" -a \ 312 "${EXTERNAL_TOOLCHAIN}" = "" ]; then 313 echo "ERROR: build.sh (in-tree cross-toolchain) is not yet available for" 314 echo 315 echo "MACHINE: ${MACHINE}" 316 echo "MACHINE_ARCH: ${MACHINE_ARCH}" 317 echo 318 echo "All builds for this platform should be done via a traditional make" 319 echo 320 echo "If you wish to use an external cross-toolchain, set" 321 echo 322 echo "EXTERNAL_TOOLCHAIN=<path to toolchain root>" 323 echo 324 echo "in either the environment or mk.conf and rerun" 325 echo 326 echo "$0 $*" 327 exit 1 328 fi 329 330 # If TOOLDIR isn't already set, make objdirs in "tools" in case the 331 # default setting from <bsd.own.mk> is used. 332 if [ -z "$TOOLDIR" ] && [ "$MKOBJDIRS" != "no" ]; then 333 $runcmd cd tools 334 $runcmd $make -m ${TOP}/share/mk obj NOSUBDIR= \ 335 || bomb "make obj failed in tools" 336 $runcmd cd "$TOP" 337 fi 338 339 # 340 # If setting -M or -O to root an obj dir make sure the base directory is made 341 # before continuing as bsd.own.mk will need this to pick up _SRC_TOP_OBJ_ 342 # 343 if [ "$MKOBJDIRS" != "no" ] && [ ! -z "$makeobjdir" ]; then 344 $runcmd mkdir -p "$makeobjdir" 345 fi 346 347 # Find DESTDIR and TOOLDIR. 348 if [ "$runcmd" = "echo" ]; then 349 # shown symbolically with -n because these may come from mk.conf 350 DESTDIR='$DESTDIR' 351 TOOLDIR='$TOOLDIR' 352 else 353 DESTDIR=`getmakevar DESTDIR`; 354 [ $? = 0 ] || bomb "getmakevar DESTDIR failed"; 355 $runcmd echo "===> DESTDIR path: $DESTDIR" 356 357 TOOLDIR=`getmakevar TOOLDIR`; 358 [ $? = 0 ] || bomb "getmakevar TOOLDIR failed"; 359 $runcmd echo "===> TOOLDIR path: $TOOLDIR" 360 361 export DESTDIR TOOLDIR 362 fi 363 364 # Check validity of TOOLDIR and DESTDIR. 365 if [ -z "$TOOLDIR" ] || [ "$TOOLDIR" = "/" ]; then 366 bomb "TOOLDIR '$TOOLDIR' invalid" 367 fi 368 removedirs="$TOOLDIR" 369 370 if [ -z "$DESTDIR" ] || [ "$DESTDIR" = "/" ]; then 371 if $do_buildsystem; then 372 if [ "$buildtarget" != "build" ] || \ 373 [ "${uname_s}" != "NetBSD" ] || \ 374 [ "${uname_m}" != "$MACHINE" ]; then 375 bomb "DESTDIR must be set to a non-root path for cross builds or -d or -R." 376 fi 377 if ! $expert_mode; then 378 bomb "DESTDIR must be set to a non-root path for non -E (expert) builds" 379 fi 380 $runcmd echo "===> WARNING: Building to /, in expert mode." 381 $runcmd echo "===> This may cause your system to break! Reasons include:" 382 $runcmd echo "===> - your kernel is not up to date" 383 $runcmd echo "===> - the libraries or toolchain have changed" 384 $runcmd echo "===> YOU HAVE BEEN WARNED!" 385 fi 386 else 387 removedirs="$removedirs $DESTDIR" 388 fi 389 390 if [ "$installworlddir" = "/" ]; then 391 if [ "${uname_s}" != "NetBSD" ] || \ 392 [ "${uname_m}" != "$MACHINE" ]; then 393 bomb "-i installworlddir must be set to a non-root path for cross builds." 394 fi 395 fi 396 397 # Remove the target directories. 398 if $do_removedirs; then 399 for f in $removedirs; do 400 $runcmd echo "===> Removing $f" 401 $runcmd rm -r -f $f 402 done 403 fi 404 405 # Recreate $TOOLDIR. 406 $runcmd mkdir -p "$TOOLDIR/bin" || bomb "mkdir of '$TOOLDIR/bin' failed" 407 408 # Install nbmake if it was built. 409 if $do_rebuildmake; then 410 $runcmd rm -f "$TOOLDIR/bin/nbmake" 411 $runcmd cp $make "$TOOLDIR/bin/nbmake" \ 412 || bomb "failed to install \$TOOLDIR/bin/nbmake" 413 make="$TOOLDIR/bin/nbmake" 414 $runcmd rm -r -f "$tmpdir" 415 trap 0 1 2 3 15 416 fi 417 418 # Build a nbmake wrapper script, usable by hand as well as by build.sh. 419 if [ -z "$makewrapper" ]; then 420 makewrapper="$TOOLDIR/bin/nbmake-$MACHINE" 421 if [ ! -z "$BUILDID" ]; then 422 makewrapper="$makewrapper-$BUILDID" 423 fi 424 fi 425 426 $runcmd rm -f "$makewrapper" 427 if [ "$runcmd" = "echo" ]; then 428 echo 'cat <<EOF >'$makewrapper 429 makewrapout= 430 else 431 makewrapout=">>\$makewrapper" 432 fi 433 434 eval cat <<EOF $makewrapout 435 #! /bin/sh 436 # Set proper variables to allow easy "make" building of a NetBSD subtree. 437 # Generated from: \$NetBSD: build.sh,v 1.77 2002/12/25 00:42:50 lukem Exp $ 438 # 439 440 EOF 441 for f in $makeenv; do 442 eval echo "$f=\'\$`echo $f`\'\;\ export\ $f" $makewrapout 443 done 444 eval echo "USETOOLS=yes\; export USETOOLS" $makewrapout 445 446 eval cat <<'EOF' $makewrapout 447 448 exec "$TOOLDIR/bin/nbmake" ${1+"$@"} 449 EOF 450 [ "$runcmd" = "echo" ] && echo EOF 451 $runcmd chmod +x "$makewrapper" 452 453 if $do_buildsystem; then 454 # Build everything. 455 ${runcmd-exec} "$makewrapper" $parallel $buildtarget \ 456 || bomb "failed to make $buildtarget" 457 else 458 # One or more of do_buildtools and do_buildkernel 459 # might be set. Do them in the appropriate order. 460 if $do_buildtools; then 461 if [ "$MKOBJDIRS" != "no" ]; then 462 $runcmd "$makewrapper" $parallel obj-tools \ 463 || bomb "failed to make obj-tools" 464 fi 465 $runcmd cd tools 466 if [ "$UPDATE" = "" ]; then 467 $runcmd "$makewrapper" cleandir dependall install \ 468 || bomb "failed to make tools" 469 else 470 $runcmd "$makewrapper" dependall install \ 471 || bomb "failed to make tools" 472 fi 473 fi 474 if $do_buildkernel; then 475 if ! $do_buildtools; then 476 # Building tools every time we build a kernel 477 # is clearly unnecessary. We could try to 478 # figure out whether rebuilding the tools is 479 # necessary this time, but it doesn't seem 480 # worth the trouble. Instead, we say it's the 481 # user's responsibility to rebuild the tools if 482 # necessary. 483 $runcmd echo "===> Building kernel" \ 484 "without building new tools" 485 fi 486 $runcmd echo "===> Building kernel ${kernconfname}" 487 # The correct value of KERNOBJDIR might depend on a 488 # prior "make obj" in TOP/etc. 489 if [ "$MKOBJDIRS" != "no" ] && [ ! -z "$makeobjdir" ]; then 490 $runcmd cd "$TOP/etc" 491 $runcmd "$makewrapper" obj \ 492 || bomb "failed to make obj in etc" 493 $runcmd cd "$TOP" 494 fi 495 if [ "$runcmd" = "echo" ]; then 496 # shown symbolically with -n 497 # because getmakevar might not work yet 498 KERNCONFDIR='$KERNCONFDIR' 499 KERNOBJDIR='$KERNOBJDIR' 500 else 501 KERNCONFDIR="$( getmakevar KERNCONFDIR )" 502 [ $? = 0 ] || bomb "getmakevar KERNCONFDIR failed"; 503 KERNOBJDIR="$( getmakevar KERNOBJDIR )" 504 [ $? = 0 ] || bomb "getmakevar KERNOBJDIR failed"; 505 fi 506 case "${kernconfname}" in 507 */*) 508 kernconfpath="${kernconfname}" 509 kernconfbase="$( basename "${kernconfname}" )" 510 ;; 511 *) 512 kernconfpath="${KERNCONFDIR}/${kernconfname}" 513 kernconfbase="${kernconfname}" 514 ;; 515 esac 516 kernbuilddir="${KERNOBJDIR}/${kernconfbase}" 517 $runcmd echo "===> Kernel build directory: ${kernbuilddir}" 518 $runcmd mkdir -p "${kernbuilddir}" \ 519 || bomb "cannot mkdir: ${kernbuilddir}" 520 if [ "$UPDATE" = "" ]; then 521 $runcmd cd "${kernbuilddir}" 522 $runcmd "$makewrapper" cleandir \ 523 || bomb "make cleandir failed in " \ 524 "${kernbuilddir}" 525 $runcmd cd "$TOP" 526 fi 527 $runcmd "${TOOLDIR}/bin/nbconfig" \ 528 -b "${kernbuilddir}" \ 529 -s "${TOP}/sys" "${kernconfpath}" \ 530 || bomb "nbconfig failed for ${kernconfname}" 531 $runcmd cd "${kernbuilddir}" 532 $runcmd "$makewrapper" depend \ 533 || bomb "make depend failed in ${kernbuilddir}" 534 $runcmd "$makewrapper" $parallel all \ 535 || bomb "make all failed in ${kernbuilddir}" 536 $runcmd echo "===> New kernel should be in ${kernbuilddir}" 537 fi 538 fi 539 540 if [ -n "$installworlddir" ]; then 541 ${runcmd-exec} "$makewrapper" INSTALLWORLDDIR=${installworlddir} \ 542 installworld || bomb "failed to make installworld" 543 fi 544
Indexes created Thu Oct 02 01:09:59 GMT 2025