build.sh revision 1.70
1 #! /usr/bin/env sh 2 # $NetBSD: build.sh,v 1.70 2002/10/20 15:48:01 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 $0 [-bdorUu] [-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 -j njob run up to njob jobs in parallel; see make(1) 116 -k kernel build a kernel using the named configuration file 117 -M obj set obj root directory to obj (sets MAKEOBJDIRPREFIX) 118 -m mach set MACHINE to mach (not required if NetBSD native) 119 -n show commands that would be executed, but do not execute them 120 -O obj set obj root directory to obj (sets a MAKEOBJDIR pattern) 121 -o set MKOBJDIRS=no (do not create objdirs at start of build) 122 -R release build a release (and set RELEASEDIR to release) 123 -r remove contents of TOOLDIR and DESTDIR before building 124 -T tools set TOOLDIR to tools 125 -t build and install tools only (implies -b) 126 -U set UNPRIVED 127 -u set UPDATE 128 -w wrapper create nbmake script at wrapper 129 (default TOOLDIR/bin/nbmake-MACHINE) 130 131 Note: if -T is unset and TOOLDIR is not set in the environment, 132 nbmake will be [re]built unconditionally. 133 _usage_ 134 exit 1 135 } 136 137 # Set defaults. 138 MAKEFLAGS= 139 buildtarget=build 140 do_buildsystem=true 141 do_buildonlykernel=false 142 do_buildonlytools=false 143 do_rebuildmake=false 144 do_removedirs=false 145 makeenv= 146 makewrapper= 147 opt_a=no 148 opts='a:B:bdhj:k:m:nortuw:D:M:O:R:T:U' 149 runcmd= 150 151 if type getopts >/dev/null 2>&1; then 152 # Use POSIX getopts. 153 getoptcmd='getopts $opts opt && opt=-$opt' 154 optargcmd=':' 155 else 156 type getopt >/dev/null 2>&1 || bomb "/bin/sh shell is too old; try ksh or bash" 157 158 # Use old-style getopt(1) (doesn't handle whitespace in args). 159 args="`getopt $opts $*`" 160 [ $? = 0 ] || usage 161 set -- $args 162 163 getoptcmd='[ $# -gt 0 ] && opt="$1" && shift' 164 optargcmd='OPTARG="$1"; shift' 165 fi 166 167 # Parse command line options. 168 while eval $getoptcmd; do case $opt in 169 -a) eval $optargcmd 170 MACHINE_ARCH=$OPTARG; opt_a=yes;; 171 172 -B) eval $optargcmd 173 BUILDID=$OPTARG;; 174 175 -b) do_buildsystem=false;; 176 177 -d) buildtarget=distribution;; 178 179 -j) eval $optargcmd 180 parallel="-j $OPTARG";; 181 182 -k) do_buildonlykernel=true; do_buildsystem=false 183 eval $optargcmd 184 KERNCONFNAME=$OPTARG;; 185 186 # -m overrides MACHINE_ARCH unless "-a" is specified 187 -m) eval $optargcmd 188 MACHINE=$OPTARG; [ "$opt_a" != "yes" ] && getarch;; 189 190 -n) runcmd=echo;; 191 192 -o) MKOBJDIRS=no;; 193 194 -r) do_removedirs=true; do_rebuildmake=true;; 195 196 -t) do_buildonlytools=true; do_buildsystem=false;; 197 198 -U) UNPRIVED=yes; export UNPRIVED 199 makeenv="$makeenv UNPRIVED";; 200 201 -u) UPDATE=yes; export UPDATE 202 makeenv="$makeenv UPDATE";; 203 204 -w) eval $optargcmd; resolvepath 205 makewrapper="$OPTARG";; 206 207 -D) eval $optargcmd; resolvepath 208 DESTDIR="$OPTARG"; export DESTDIR 209 makeenv="$makeenv DESTDIR";; 210 211 -M) eval $optargcmd; resolvepath 212 MAKEOBJDIRPREFIX="$OPTARG"; export MAKEOBJDIRPREFIX 213 makeobjdir=$OPTARG 214 makeenv="$makeenv MAKEOBJDIRPREFIX";; 215 216 -O) eval $optargcmd; resolvepath 217 MAKEOBJDIR="\${.CURDIR:C,^$TOP,$OPTARG,}"; export MAKEOBJDIR 218 makeobjdir=$OPTARG 219 makeenv="$makeenv MAKEOBJDIR";; 220 221 -R) eval $optargcmd; resolvepath 222 RELEASEDIR=$OPTARG; export RELEASEDIR 223 makeenv="$makeenv RELEASEDIR" 224 buildtarget=release;; 225 226 -T) eval $optargcmd; resolvepath 227 TOOLDIR="$OPTARG"; export TOOLDIR;; 228 229 --) break;; 230 -'?'|-h) usage;; 231 esac; done 232 233 # Set up MACHINE*. On a NetBSD host, these are allowed to be unset. 234 if [ -z "$MACHINE" ]; then 235 if [ "`uname -s 2>/dev/null`" != "NetBSD" ]; then 236 echo "MACHINE must be set, or -m must be used, for cross builds." 237 echo ""; usage 238 fi 239 MACHINE=`uname -m` 240 fi 241 [ -n "$MACHINE_ARCH" ] || getarch 242 validatearch 243 244 # Set up default make(1) environment. 245 makeenv="$makeenv TOOLDIR MACHINE MACHINE_ARCH MAKEFLAGS" 246 if [ ! -z "$BUILDID" ]; then 247 makeenv="$makeenv BUILDID" 248 fi 249 MAKEFLAGS="-m $TOP/share/mk $MAKEFLAGS MKOBJDIRS=${MKOBJDIRS-yes}" 250 export MAKEFLAGS MACHINE MACHINE_ARCH 251 252 # Test make source file timestamps against installed nbmake binary, 253 # if TOOLDIR is pre-set. 254 # 255 # Note that we do NOT try to grovel "mk.conf" here to find out if TOOLDIR 256 # is set there, because it can contain make variable expansions and other 257 # stuff only parseable *after* we have a working nbmake. So this logic 258 # can only work if the user has pre-set TOOLDIR in the environment or 259 # used the -T option to build.sh. 260 # 261 make="${TOOLDIR-nonexistent}/bin/nbmake" 262 if [ -x $make ]; then 263 for f in usr.bin/make/*.[ch] usr.bin/make/lst.lib/*.[ch]; do 264 if [ $f -nt $make ]; then 265 do_rebuildmake=true; break 266 fi 267 done 268 else 269 do_rebuildmake=true 270 fi 271 272 # Build bootstrap nbmake if needed. 273 if $do_rebuildmake; then 274 $runcmd echo "===> Bootstrapping nbmake" 275 tmpdir="${TMPDIR-/tmp}/nbbuild$$" 276 277 $runcmd mkdir "$tmpdir" || bomb "cannot mkdir: $tmpdir" 278 trap "cd /; rm -r -f \"$tmpdir\"" 0 279 trap "exit 1" 1 2 3 15 280 $runcmd cd "$tmpdir" 281 282 $runcmd env CC="${HOST_CC-cc}" CPPFLAGS="${HOST_CPPFLAGS}" CFLAGS="${HOST_CFLAGS--O}" LDFLAGS="${HOST_LDFLAGS}" \ 283 "$TOP/tools/make/configure" || bomb "configure of nbmake failed" 284 $runcmd sh buildmake.sh || bomb "build of nbmake failed" 285 286 make="$tmpdir/nbmake" 287 $runcmd cd "$TOP" 288 $runcmd rm -f usr.bin/make/*.o usr.bin/make/lst.lib/*.o 289 fi 290 291 EXTERNAL_TOOLCHAIN=`getmakevar EXTERNAL_TOOLCHAIN` 292 if [ "$runcmd" = "echo" ]; then 293 TOOLCHAIN_MISSING=no 294 else 295 TOOLCHAIN_MISSING=`getmakevar TOOLCHAIN_MISSING` 296 fi 297 if [ "${TOOLCHAIN_MISSING}" = "yes" -a \ 298 "${EXTERNAL_TOOLCHAIN}" = "" ]; then 299 echo "ERROR: build.sh (in-tree cross-toolchain) is not yet available for" 300 echo 301 echo "MACHINE: ${MACHINE}" 302 echo "MACHINE_ARCH: ${MACHINE_ARCH}" 303 echo 304 echo "All builds for this platform should be done via a traditional make" 305 echo 306 echo "If you wish to use an external cross-toolchain, set" 307 echo 308 echo "EXTERNAL_TOOLCHAIN=<path to toolchain root>" 309 echo 310 echo "in either the environment or mk.conf and rerun" 311 echo 312 echo "$0 $*" 313 exit 1 314 fi 315 316 # If TOOLDIR isn't already set, make objdirs in "tools" in case the 317 # default setting from <bsd.own.mk> is used. 318 if [ -z "$TOOLDIR" ] && [ "$MKOBJDIRS" != "no" ]; then 319 $runcmd cd tools 320 $runcmd $make -m ${TOP}/share/mk obj NOSUBDIR= || exit 1 321 $runcmd cd "$TOP" 322 fi 323 324 # 325 # If setting -M or -O to root an obj dir make sure the base directory is made 326 # before continuing as bsd.own.mk will need this to pick up _SRC_TOP_OBJ_ 327 # 328 if [ "$MKOBJDIRS" != "no" ] && [ ! -z "$makeobjdir" ]; then 329 $runcmd mkdir -p "$makeobjdir" 330 fi 331 332 # Find DESTDIR and TOOLDIR. 333 if [ "$runcmd" = "echo" ]; then 334 # shown symbolically with -n because these may come from mk.conf 335 DESTDIR='$DESTDIR' 336 TOOLDIR='$TOOLDIR' 337 else 338 DESTDIR=`getmakevar DESTDIR`; 339 [ $? = 0 ] || bomb "getmakevar DESTDIR failed"; 340 echo "===> DESTDIR path: $DESTDIR" 341 342 TOOLDIR=`getmakevar TOOLDIR`; 343 [ $? = 0 ] || bomb "getmakevar TOOLDIR failed"; 344 echo "===> TOOLDIR path: $TOOLDIR" 345 346 export DESTDIR TOOLDIR 347 fi 348 349 # Check validity of TOOLDIR and DESTDIR. 350 if [ -z "$TOOLDIR" ] || [ "$TOOLDIR" = "/" ]; then 351 bomb "TOOLDIR '$TOOLDIR' invalid" 352 fi 353 removedirs="$TOOLDIR" 354 355 if [ -z "$DESTDIR" ] || [ "$DESTDIR" = "/" ]; then 356 if $do_buildsystem && \ 357 ([ "$buildtarget" != "build" ] || \ 358 [ "`uname -s 2>/dev/null`" != "NetBSD" ] || \ 359 [ "`uname -m`" != "$MACHINE" ]); then 360 bomb "DESTDIR must be set to a non-root path for cross builds or -d or -R." 361 elif $do_buildsystem; then 362 echo "===> WARNING: Building to /." 363 echo "===> If your kernel is not up to date, this may cause the system to break!" 364 fi 365 else 366 removedirs="$removedirs $DESTDIR" 367 fi 368 369 # Remove the target directories. 370 if $do_removedirs; then 371 for f in $removedirs; do 372 echo "===> Removing $f" 373 $runcmd rm -r -f $f 374 done 375 fi 376 377 # Recreate $TOOLDIR. 378 $runcmd mkdir -p "$TOOLDIR/bin" || bomb "mkdir of '$TOOLDIR/bin' failed" 379 380 # Install nbmake if it was built. 381 if $do_rebuildmake; then 382 $runcmd rm -f "$TOOLDIR/bin/nbmake" 383 $runcmd cp $make "$TOOLDIR/bin/nbmake" 384 $runcmd rm -r -f "$tmpdir" 385 trap 0 1 2 3 15 386 fi 387 388 # Build a nbmake wrapper script, usable by hand as well as by build.sh. 389 if [ -z "$makewrapper" ]; then 390 makewrapper="$TOOLDIR/bin/nbmake-$MACHINE" 391 if [ ! -z "$BUILDID" ]; then 392 makewrapper="$makewrapper-$BUILDID" 393 fi 394 fi 395 396 $runcmd rm -f "$makewrapper" 397 if [ "$runcmd" = "echo" ]; then 398 echo 'cat <<EOF >'$makewrapper 399 makewrapout= 400 else 401 makewrapout=">>\$makewrapper" 402 fi 403 404 eval cat <<EOF $makewrapout 405 #! /bin/sh 406 # Set proper variables to allow easy "make" building of a NetBSD subtree. 407 # Generated from: \$NetBSD: build.sh,v 1.70 2002/10/20 15:48:01 lukem Exp $ 408 # 409 410 EOF 411 for f in $makeenv; do 412 eval echo "$f=\'\$`echo $f`\'\;\ export\ $f" $makewrapout 413 done 414 eval echo "USETOOLS=yes\; export USETOOLS" $makewrapout 415 416 eval cat <<'EOF' $makewrapout 417 418 exec "$TOOLDIR/bin/nbmake" ${1+"$@"} 419 EOF 420 [ "$runcmd" = "echo" ] && echo EOF 421 $runcmd chmod +x "$makewrapper" 422 423 if $do_buildsystem; then 424 ${runcmd-exec} "$makewrapper" $parallel $buildtarget 425 else 426 # One or more of do_buildonlytools and do_buildonlykernel 427 # might be set. Do them in the appropriate order. 428 if $do_buildonlytools; then 429 if [ "$MKOBJDIRS" != "no" ]; then 430 $runcmd "$makewrapper" $parallel obj-tools || exit 1 431 fi 432 $runcmd cd tools 433 if [ "$UPDATE" = "" ]; then 434 $runcmd "$makewrapper" cleandir dependall install 435 else 436 $runcmd "$makewrapper" dependall install 437 fi 438 fi 439 if $do_buildonlykernel; then 440 $runcmd echo "===> Building kernel ${KERNCONFNAME}" 441 if [ "$runcmd" = "echo" ]; then 442 # shown symbolically with -n 443 # because getmakevar might not work yet 444 KERNCONFDIR='${KERNCONFDIR}' 445 KERNOBJDIR='${KERNOBJDIR}' 446 else 447 KERNCONFDIR="$( getmakevar KERNCONFDIR )" 448 KERNOBJDIR="$( getmakevar KERNOBJDIR )" 449 fi 450 case "${KERNCONFNAME}" in 451 */*) 452 kernconfpath=${KERNCONFNAME} 453 KERNCONFNAME=`basename ${KERNCONFNAME}` 454 ;; 455 *) 456 kernconfpath=${KERNCONFDIR}/${KERNCONFNAME} 457 ;; 458 esac 459 $runcmd mkdir -p "${KERNOBJDIR}/${KERNCONFNAME}" 460 if [ "$UPDATE" = "" ]; then 461 $runcmd cd "${KERNOBJDIR}/${KERNCONFNAME}" 462 $runcmd "$makewrapper" cleandir 463 $runcmd cd "$TOP" 464 fi 465 $runcmd "${TOOLDIR}/bin/nbconfig" \ 466 -b "${KERNOBJDIR}/${KERNCONFNAME}" \ 467 -s "${TOP}/sys" "${kernconfpath}" 468 $runcmd cd "${KERNOBJDIR}/${KERNCONFNAME}" 469 $runcmd "$makewrapper" depend 470 $runcmd "$makewrapper" $parallel all 471 echo "New kernel should be in ${KERNOBJDIR}/${KERNCONFNAME}" 472 fi 473 fi 474
Indexes created Tue Sep 30 20:09:53 GMT 2025