build.sh revision 1.75
1 #! /usr/bin/env sh 2 # $NetBSD: build.sh,v 1.75 2002/12/09 03:13:41 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 # If $PWD is a valid name of the current directory, POSIX mandates that pwd 24 # return it by default which causes problems in the presence of symlinks. 25 # Unsetting PWD is simpler than changing every occurrence of pwd to use -P. 26 # 27 # XXX Except that doesn't work on Solaris. 28 unset PWD 29 if [ "x`uname -s`" = "xSunOS" ]; then 30 TOP=`pwd -P` 31 else 32 TOP=`pwd` 33 fi 34 35 getarch () { 36 # Translate a MACHINE into a default MACHINE_ARCH. 37 case $MACHINE in 38 acorn26|acorn32|cats|netwinder|shark|*arm) 39 MACHINE_ARCH=arm;; 40 41 sun2) 42 MACHINE_ARCH=m68000;; 43 44 amiga|atari|cesfic|hp300|sun3|*68k) 45 MACHINE_ARCH=m68k;; 46 47 mipsco|newsmips|sbmips|sgimips) 48 MACHINE_ARCH=mipseb;; 49 50 algor|arc|cobalt|evbmips|hpcmips|playstation2|pmax) 51 MACHINE_ARCH=mipsel;; 52 53 pc532) 54 MACHINE_ARCH=ns32k;; 55 56 bebox|prep|sandpoint|walnut|*ppc) 57 MACHINE_ARCH=powerpc;; 58 59 evbsh3|mmeye) 60 MACHINE_ARCH=sh3eb;; 61 62 dreamcast|hpcsh) 63 MACHINE_ARCH=sh3el;; 64 65 hp700) 66 MACHINE_ARCH=hppa;; 67 68 evbsh5) 69 MACHINE_ARCH=sh5el;; 70 71 alpha|i386|sparc|sparc64|vax|x86_64) 72 MACHINE_ARCH=$MACHINE;; 73 74 *) bomb "unknown target MACHINE: $MACHINE";; 75 esac 76 } 77 78 validatearch () { 79 # Ensure that the MACHINE_ARCH exists (and is supported by build.sh). 80 case $MACHINE_ARCH in 81 alpha|arm|armeb|hppa|i386|m68000|m68k|mipse[bl]|ns32k|powerpc|sh[35]e[bl]|sparc|sparc64|vax|x86_64) 82 ;; 83 84 *) bomb "unknown target MACHINE_ARCH: $MACHINE_ARCH";; 85 esac 86 } 87 88 getmakevar () { 89 $make -m ${TOP}/share/mk -s -f- _x_ <<EOF 90 _x_: 91 echo \${$1} 92 .include <bsd.prog.mk> 93 .include <bsd.kernobj.mk> 94 EOF 95 } 96 97 resolvepath () { 98 case $OPTARG in 99 /*) ;; 100 *) OPTARG="$TOP/$OPTARG";; 101 esac 102 } 103 104 usage () { 105 cat <<_usage_ 106 Usage: 107 `basename $0` [-bdEnortUu] [-a arch] [-B buildid] [-D dest] [-j njob] [-k kernel] 108 [-M obj] [-m mach] [-O obj] [-R release] [-T tools] [-w wrapper] 109 110 -a arch set MACHINE_ARCH to arch (otherwise deduced from MACHINE) 111 -B buildid set BUILDID to buildid 112 -b build nbmake and nbmake wrapper script, if needed 113 -D dest set DESTDIR to dest 114 -d build a full distribution into DESTDIR (including etc files) 115 -E set "expert" mode; disables some DESTDIR checks 116 -j njob run up to njob jobs in parallel; see make(1) 117 -k kernel build a kernel using the named configuration file 118 -M obj set obj root directory to obj (sets MAKEOBJDIRPREFIX) 119 -m mach set MACHINE to mach (not required if NetBSD native) 120 -n show commands that would be executed, but do not execute them 121 -O obj set obj root directory to obj (sets a MAKEOBJDIR pattern) 122 -o set MKOBJDIRS=no (do not create objdirs at start of build) 123 -R release build a release (and set RELEASEDIR to release) 124 -r remove contents of TOOLDIR and DESTDIR before building 125 -T tools set TOOLDIR to tools 126 -t build and install tools only (implies -b) 127 -U set UNPRIVED 128 -u set UPDATE 129 -w wrapper create nbmake script at wrapper 130 (default TOOLDIR/bin/nbmake-MACHINE) 131 132 Note: if -T is unset and TOOLDIR is not set in the environment, 133 nbmake will be [re]built unconditionally. 134 _usage_ 135 exit 1 136 } 137 138 # Set defaults. 139 MAKEFLAGS= 140 buildtarget=build 141 do_buildsystem=true 142 do_buildkernel=false 143 do_buildtools=false 144 do_rebuildmake=false 145 do_removedirs=false 146 expert_mode=false 147 makeenv= 148 makewrapper= 149 opt_a=no 150 opts='a:B:bD:dEhj:k:M:m:nO:oR:rT:tUuw:' 151 runcmd= 152 153 if type getopts >/dev/null 2>&1; then 154 # Use POSIX getopts. 155 getoptcmd='getopts $opts opt && opt=-$opt' 156 optargcmd=':' 157 else 158 type getopt >/dev/null 2>&1 || bomb "/bin/sh shell is too old; try ksh or bash" 159 160 # Use old-style getopt(1) (doesn't handle whitespace in args). 161 args="`getopt $opts $*`" 162 [ $? = 0 ] || usage 163 set -- $args 164 165 getoptcmd='[ $# -gt 0 ] && opt="$1" && shift' 166 optargcmd='OPTARG="$1"; shift' 167 fi 168 169 # Parse command line options. 170 while eval $getoptcmd; do case $opt in 171 -a) eval $optargcmd 172 MACHINE_ARCH=$OPTARG; opt_a=yes;; 173 174 -B) eval $optargcmd 175 BUILDID=$OPTARG;; 176 177 -b) do_buildsystem=false;; 178 179 -D) eval $optargcmd; resolvepath 180 DESTDIR="$OPTARG"; export DESTDIR 181 makeenv="$makeenv DESTDIR";; 182 183 -d) buildtarget=distribution;; 184 185 -E) expert_mode=true;; 186 187 -j) eval $optargcmd 188 parallel="-j $OPTARG";; 189 190 -k) do_buildkernel=true; do_buildsystem=false 191 eval $optargcmd 192 kernconfname=$OPTARG;; 193 194 -M) eval $optargcmd; resolvepath 195 MAKEOBJDIRPREFIX="$OPTARG"; export MAKEOBJDIRPREFIX 196 makeobjdir=$OPTARG 197 makeenv="$makeenv MAKEOBJDIRPREFIX";; 198 199 # -m overrides MACHINE_ARCH unless "-a" is specified 200 -m) eval $optargcmd 201 MACHINE=$OPTARG; [ "$opt_a" != "yes" ] && getarch;; 202 203 -n) runcmd=echo;; 204 205 -O) eval $optargcmd; resolvepath 206 MAKEOBJDIR="\${.CURDIR:C,^$TOP,$OPTARG,}"; export MAKEOBJDIR 207 makeobjdir=$OPTARG 208 makeenv="$makeenv MAKEOBJDIR";; 209 210 -o) MKOBJDIRS=no;; 211 212 -R) eval $optargcmd; resolvepath 213 RELEASEDIR=$OPTARG; export RELEASEDIR 214 makeenv="$makeenv RELEASEDIR" 215 buildtarget=release;; 216 217 -r) do_removedirs=true; do_rebuildmake=true;; 218 219 -T) eval $optargcmd; resolvepath 220 TOOLDIR="$OPTARG"; export TOOLDIR;; 221 222 -t) do_buildtools=true; do_buildsystem=false;; 223 224 -U) UNPRIVED=yes; export UNPRIVED 225 makeenv="$makeenv UNPRIVED";; 226 227 -u) UPDATE=yes; export UPDATE 228 makeenv="$makeenv UPDATE";; 229 230 -w) eval $optargcmd; resolvepath 231 makewrapper="$OPTARG";; 232 233 --) break;; 234 -'?'|-h) usage;; 235 esac; done 236 237 # Set up MACHINE*. On a NetBSD host, these are allowed to be unset. 238 if [ -z "$MACHINE" ]; then 239 if [ "`uname -s 2>/dev/null`" != "NetBSD" ]; then 240 echo "MACHINE must be set, or -m must be used, for cross builds." 241 echo ""; usage 242 fi 243 MACHINE=`uname -m` 244 fi 245 [ -n "$MACHINE_ARCH" ] || getarch 246 validatearch 247 248 # Set up default make(1) environment. 249 makeenv="$makeenv TOOLDIR MACHINE MACHINE_ARCH MAKEFLAGS" 250 if [ ! -z "$BUILDID" ]; then 251 makeenv="$makeenv BUILDID" 252 fi 253 MAKEFLAGS="-m $TOP/share/mk $MAKEFLAGS MKOBJDIRS=${MKOBJDIRS-yes}" 254 export MAKEFLAGS MACHINE MACHINE_ARCH 255 256 # Test make source file timestamps against installed nbmake binary, 257 # if TOOLDIR is pre-set. 258 # 259 # Note that we do NOT try to grovel "mk.conf" here to find out if TOOLDIR 260 # is set there, because it can contain make variable expansions and other 261 # stuff only parseable *after* we have a working nbmake. So this logic 262 # can only work if the user has pre-set TOOLDIR in the environment or 263 # used the -T option to build.sh. 264 # 265 make="${TOOLDIR-nonexistent}/bin/nbmake" 266 if [ -x $make ]; then 267 for f in usr.bin/make/*.[ch] usr.bin/make/lst.lib/*.[ch]; do 268 if [ $f -nt $make ]; then 269 do_rebuildmake=true; break 270 fi 271 done 272 else 273 do_rebuildmake=true 274 fi 275 276 # Build bootstrap nbmake if needed. 277 if $do_rebuildmake; then 278 $runcmd echo "===> Bootstrapping nbmake" 279 tmpdir="${TMPDIR-/tmp}/nbbuild$$" 280 281 $runcmd mkdir "$tmpdir" || bomb "cannot mkdir: $tmpdir" 282 trap "cd /; rm -r -f \"$tmpdir\"" 0 283 trap "exit 1" 1 2 3 15 284 $runcmd cd "$tmpdir" 285 286 $runcmd env CC="${HOST_CC-cc}" CPPFLAGS="${HOST_CPPFLAGS}" \ 287 CFLAGS="${HOST_CFLAGS--O}" LDFLAGS="${HOST_LDFLAGS}" \ 288 "$TOP/tools/make/configure" \ 289 || bomb "configure of nbmake failed" 290 $runcmd sh buildmake.sh || bomb "build of nbmake failed" 291 292 make="$tmpdir/nbmake" 293 $runcmd cd "$TOP" 294 $runcmd rm -f usr.bin/make/*.o usr.bin/make/lst.lib/*.o 295 fi 296 297 EXTERNAL_TOOLCHAIN=`getmakevar EXTERNAL_TOOLCHAIN` 298 if [ "$runcmd" = "echo" ]; then 299 TOOLCHAIN_MISSING=no 300 else 301 TOOLCHAIN_MISSING=`getmakevar TOOLCHAIN_MISSING` 302 fi 303 if [ "${TOOLCHAIN_MISSING}" = "yes" -a \ 304 "${EXTERNAL_TOOLCHAIN}" = "" ]; then 305 echo "ERROR: build.sh (in-tree cross-toolchain) is not yet available for" 306 echo 307 echo "MACHINE: ${MACHINE}" 308 echo "MACHINE_ARCH: ${MACHINE_ARCH}" 309 echo 310 echo "All builds for this platform should be done via a traditional make" 311 echo 312 echo "If you wish to use an external cross-toolchain, set" 313 echo 314 echo "EXTERNAL_TOOLCHAIN=<path to toolchain root>" 315 echo 316 echo "in either the environment or mk.conf and rerun" 317 echo 318 echo "$0 $*" 319 exit 1 320 fi 321 322 # If TOOLDIR isn't already set, make objdirs in "tools" in case the 323 # default setting from <bsd.own.mk> is used. 324 if [ -z "$TOOLDIR" ] && [ "$MKOBJDIRS" != "no" ]; then 325 $runcmd cd tools 326 $runcmd $make -m ${TOP}/share/mk obj NOSUBDIR= \ 327 || bomb "make obj failed in tools" 328 $runcmd cd "$TOP" 329 fi 330 331 # 332 # If setting -M or -O to root an obj dir make sure the base directory is made 333 # before continuing as bsd.own.mk will need this to pick up _SRC_TOP_OBJ_ 334 # 335 if [ "$MKOBJDIRS" != "no" ] && [ ! -z "$makeobjdir" ]; then 336 $runcmd mkdir -p "$makeobjdir" 337 fi 338 339 # Find DESTDIR and TOOLDIR. 340 if [ "$runcmd" = "echo" ]; then 341 # shown symbolically with -n because these may come from mk.conf 342 DESTDIR='$DESTDIR' 343 TOOLDIR='$TOOLDIR' 344 else 345 DESTDIR=`getmakevar DESTDIR`; 346 [ $? = 0 ] || bomb "getmakevar DESTDIR failed"; 347 $runcmd echo "===> DESTDIR path: $DESTDIR" 348 349 TOOLDIR=`getmakevar TOOLDIR`; 350 [ $? = 0 ] || bomb "getmakevar TOOLDIR failed"; 351 $runcmd echo "===> TOOLDIR path: $TOOLDIR" 352 353 export DESTDIR TOOLDIR 354 fi 355 356 # Check validity of TOOLDIR and DESTDIR. 357 if [ -z "$TOOLDIR" ] || [ "$TOOLDIR" = "/" ]; then 358 bomb "TOOLDIR '$TOOLDIR' invalid" 359 fi 360 removedirs="$TOOLDIR" 361 362 if [ -z "$DESTDIR" ] || [ "$DESTDIR" = "/" ]; then 363 if $do_buildsystem; then 364 if [ "$buildtarget" != "build" ] || \ 365 [ "`uname -s 2>/dev/null`" != "NetBSD" ] || \ 366 [ "`uname -m`" != "$MACHINE" ]; then 367 bomb "DESTDIR must be set to a non-root path for cross builds or -d or -R." 368 fi 369 if ! $expert_mode; then 370 bomb "DESTDIR must be set to a non-root path for non -E (expert) builds" 371 fi 372 $runcmd echo "===> WARNING: Building to /, in expert mode." 373 $runcmd echo "===> This may cause your system to break! Reasons include:" 374 $runcmd echo "===> - your kernel is not up to date" 375 $runcmd echo "===> - the libraries or toolchain have changed" 376 $runcmd echo "===> YOU HAVE BEEN WARNED!" 377 fi 378 else 379 removedirs="$removedirs $DESTDIR" 380 fi 381 382 # Remove the target directories. 383 if $do_removedirs; then 384 for f in $removedirs; do 385 $runcmd echo "===> Removing $f" 386 $runcmd rm -r -f $f 387 done 388 fi 389 390 # Recreate $TOOLDIR. 391 $runcmd mkdir -p "$TOOLDIR/bin" || bomb "mkdir of '$TOOLDIR/bin' failed" 392 393 # Install nbmake if it was built. 394 if $do_rebuildmake; then 395 $runcmd rm -f "$TOOLDIR/bin/nbmake" 396 $runcmd cp $make "$TOOLDIR/bin/nbmake" \ 397 || bomb "failed to install \$TOOLDIR/bin/nbmake" 398 make="$TOOLDIR/bin/nbmake" 399 $runcmd rm -r -f "$tmpdir" 400 trap 0 1 2 3 15 401 fi 402 403 # Build a nbmake wrapper script, usable by hand as well as by build.sh. 404 if [ -z "$makewrapper" ]; then 405 makewrapper="$TOOLDIR/bin/nbmake-$MACHINE" 406 if [ ! -z "$BUILDID" ]; then 407 makewrapper="$makewrapper-$BUILDID" 408 fi 409 fi 410 411 $runcmd rm -f "$makewrapper" 412 if [ "$runcmd" = "echo" ]; then 413 echo 'cat <<EOF >'$makewrapper 414 makewrapout= 415 else 416 makewrapout=">>\$makewrapper" 417 fi 418 419 eval cat <<EOF $makewrapout 420 #! /bin/sh 421 # Set proper variables to allow easy "make" building of a NetBSD subtree. 422 # Generated from: \$NetBSD: build.sh,v 1.75 2002/12/09 03:13:41 lukem Exp $ 423 # 424 425 EOF 426 for f in $makeenv; do 427 eval echo "$f=\'\$`echo $f`\'\;\ export\ $f" $makewrapout 428 done 429 eval echo "USETOOLS=yes\; export USETOOLS" $makewrapout 430 431 eval cat <<'EOF' $makewrapout 432 433 exec "$TOOLDIR/bin/nbmake" ${1+"$@"} 434 EOF 435 [ "$runcmd" = "echo" ] && echo EOF 436 $runcmd chmod +x "$makewrapper" 437 438 if $do_buildsystem; then 439 # Build everything. 440 ${runcmd-exec} "$makewrapper" $parallel $buildtarget \ 441 || bomb "failed to make $buildtarget" 442 else 443 # One or more of do_buildtools and do_buildkernel 444 # might be set. Do them in the appropriate order. 445 if $do_buildtools; then 446 if [ "$MKOBJDIRS" != "no" ]; then 447 $runcmd "$makewrapper" $parallel obj-tools \ 448 || bomb "failed to make obj-tools" 449 fi 450 $runcmd cd tools 451 if [ "$UPDATE" = "" ]; then 452 $runcmd "$makewrapper" cleandir dependall install \ 453 || bomb "failed to make tools" 454 else 455 $runcmd "$makewrapper" dependall install \ 456 || bomb "failed to make tools" 457 fi 458 fi 459 if $do_buildkernel; then 460 if ! $do_buildtools; then 461 # Building tools every time we build a kernel 462 # is clearly unnecessary. We could try to 463 # figure out whether rebuilding the tools is 464 # necessary this time, but it doesn't seem 465 # worth the trouble. Instead, we say it's the 466 # user's responsibility to rebuild the tools if 467 # necessary. 468 $runcmd echo "===> Building kernel" \ 469 "without building new tools" 470 fi 471 $runcmd echo "===> Building kernel ${kernconfname}" 472 # The correct value of KERNOBJDIR might depend on a 473 # prior "make obj" in TOP/etc. 474 if [ "$MKOBJDIRS" != "no" ] && [ ! -z "$makeobjdir" ]; then 475 $runcmd cd "$TOP/etc" 476 $runcmd "$makewrapper" obj \ 477 || bomb "failed to make obj in etc" 478 $runcmd cd "$TOP" 479 fi 480 if [ "$runcmd" = "echo" ]; then 481 # shown symbolically with -n 482 # because getmakevar might not work yet 483 KERNCONFDIR='$KERNCONFDIR' 484 KERNOBJDIR='$KERNOBJDIR' 485 else 486 KERNCONFDIR="$( getmakevar KERNCONFDIR )" 487 [ $? = 0 ] || bomb "getmakevar KERNCONFDIR failed"; 488 KERNOBJDIR="$( getmakevar KERNOBJDIR )" 489 [ $? = 0 ] || bomb "getmakevar KERNOBJDIR failed"; 490 fi 491 case "${kernconfname}" in 492 */*) 493 kernconfpath="${kernconfname}" 494 kernconfbase="$( basename "${kernconfname}" )" 495 ;; 496 *) 497 kernconfpath="${KERNCONFDIR}/${kernconfname}" 498 kernconfbase="${kernconfname}" 499 ;; 500 esac 501 kernbuilddir="${KERNOBJDIR}/${kernconfbase}" 502 $runcmd echo "===> Kernel build directory: ${kernbuilddir}" 503 $runcmd mkdir -p "${kernbuilddir}" \ 504 || bomb "cannot mkdir: ${kernbuilddir}" 505 if [ "$UPDATE" = "" ]; then 506 $runcmd cd "${kernbuilddir}" 507 $runcmd "$makewrapper" cleandir \ 508 || bomb "make cleandir failed in " \ 509 "${kernbuilddir}" 510 $runcmd cd "$TOP" 511 fi 512 $runcmd "${TOOLDIR}/bin/nbconfig" \ 513 -b "${kernbuilddir}" \ 514 -s "${TOP}/sys" "${kernconfpath}" \ 515 || bomb "nbconfig failed for ${kernconfname}" 516 $runcmd cd "${kernbuilddir}" 517 $runcmd "$makewrapper" depend \ 518 || bomb "make depend failed in ${kernbuilddir}" 519 $runcmd "$makewrapper" $parallel all \ 520 || bomb "make all failed in ${kernbuilddir}" 521 $runcmd echo "===> New kernel should be in ${kernbuilddir}" 522 fi 523 fi 524
Indexes created Tue Sep 30 17:09:57 GMT 2025