build.sh revision 1.67
1 #! /usr/bin/env sh 2 # $NetBSD: build.sh,v 1.67 2002/09/13 23:27:13 thorpej 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 $MACHINE in 38 acorn26|acorn32|cats|netwinder|shark|*arm) 39 MACHINE_ARCH=arm;; 40 41 sun2) 42 MACHINE_ARCH=m68000;; 43 44 amiga|atari|cesfic|hp300|sun3|*68k) 45 MACHINE_ARCH=m68k;; 46 47 mipsco|newsmips|sbmips|sgimips) 48 MACHINE_ARCH=mipseb;; 49 50 algor|arc|cobalt|evbmips|hpcmips|playstation2|pmax) 51 MACHINE_ARCH=mipsel;; 52 53 pc532) 54 MACHINE_ARCH=ns32k;; 55 56 bebox|prep|sandpoint|walnut|*ppc) 57 MACHINE_ARCH=powerpc;; 58 59 evbsh3|mmeye) 60 MACHINE_ARCH=sh3eb;; 61 62 dreamcast|hpcsh) 63 MACHINE_ARCH=sh3el;; 64 65 hp700) 66 MACHINE_ARCH=hppa;; 67 68 alpha|i386|sparc|sparc64|vax|x86_64) 69 MACHINE_ARCH=$MACHINE;; 70 71 *) bomb "unknown target MACHINE: $MACHINE";; 72 esac 73 } 74 75 validatearch () { 76 # Ensure that the MACHINE_ARCH exists (and is supported by build.sh). 77 case $MACHINE_ARCH in 78 alpha|arm|armeb|hppa|i386|m68000|m68k|mipse[bl]|ns32k|powerpc|sh3e[bl]|sparc|sparc64|vax|x86_64) 79 ;; 80 81 *) bomb "unknown target MACHINE_ARCH: $MACHINE_ARCH";; 82 esac 83 } 84 85 getmakevar () { 86 $make -m ${TOP}/share/mk -s -f- _x_ <<EOF 87 _x_: 88 echo \${$1} 89 .include <bsd.prog.mk> 90 EOF 91 } 92 93 resolvepath () { 94 case $OPTARG in 95 /*) ;; 96 *) OPTARG="$TOP/$OPTARG";; 97 esac 98 } 99 100 usage () { 101 echo "Usage:" 102 echo "$0 [-bdorUu] [-a arch] [-B buildid] [-j njob] [-m mach] " 103 echo " [-w wrapper] [-D dest] [-M obj] [-O obj] [-R release] [-T tools]" 104 echo "" 105 echo " -a: set MACHINE_ARCH to arch (otherwise deduced from MACHINE)" 106 echo " -B: set BUILDID to buildid" 107 echo " -b: build nbmake and nbmake wrapper script, if needed" 108 echo " -D: set DESTDIR to dest" 109 echo " -d: build a full distribution into DESTDIR (including etc files)" 110 echo " -j: Run up to njob jobs in parallel; see make(1)" 111 echo " -M: set obj root directory to obj (sets MAKEOBJDIRPREFIX)" 112 echo " -m: set MACHINE to mach (not required if NetBSD native)" 113 echo " -n: show commands that would be executed, but do not execute them" 114 echo " -O: set obj root directory to obj (sets a MAKEOBJDIR pattern)" 115 echo " -o: set MKOBJDIRS=no (do not create objdirs at start of build)" 116 echo " -R: build a release (and set RELEASEDIR to release)" 117 echo " -r: remove contents of TOOLDIR and DESTDIR before building" 118 echo " -T: set TOOLDIR to tools" 119 echo " -t: build and install tools only (implies -b)" 120 echo " -U: set UNPRIVED" 121 echo " -u: set UPDATE" 122 echo " -w: create nbmake script at wrapper (default TOOLDIR/bin/nbmake-MACHINE)" 123 echo "" 124 echo "Note: if -T is unset and TOOLDIR is not set in the environment," 125 echo " nbmake will be [re]built unconditionally." 126 exit 1 127 } 128 129 # Set defaults. 130 MAKEFLAGS= 131 buildtarget=build 132 do_buildsystem=true 133 do_buildonlytools=false 134 do_rebuildmake=false 135 do_removedirs=false 136 makeenv= 137 makewrapper= 138 opt_a=no 139 opts='a:B:bdhj:m:nortuw:D:M:O:R:T:U' 140 runcmd= 141 142 if type getopts >/dev/null 2>&1; then 143 # Use POSIX getopts. 144 getoptcmd='getopts $opts opt && opt=-$opt' 145 optargcmd=':' 146 else 147 type getopt >/dev/null 2>&1 || bomb "/bin/sh shell is too old; try ksh or bash" 148 149 # Use old-style getopt(1) (doesn't handle whitespace in args). 150 args="`getopt $opts $*`" 151 [ $? = 0 ] || usage 152 set -- $args 153 154 getoptcmd='[ $# -gt 0 ] && opt="$1" && shift' 155 optargcmd='OPTARG="$1"; shift' 156 fi 157 158 # Parse command line options. 159 while eval $getoptcmd; do case $opt in 160 -a) eval $optargcmd 161 MACHINE_ARCH=$OPTARG; opt_a=yes;; 162 163 -B) eval $optargcmd 164 BUILDID=$OPTARG;; 165 166 -b) do_buildsystem=false;; 167 168 -d) buildtarget=distribution;; 169 170 -j) eval $optargcmd 171 parallel="-j $OPTARG";; 172 173 # -m overrides MACHINE_ARCH unless "-a" is specified 174 -m) eval $optargcmd 175 MACHINE=$OPTARG; [ "$opt_a" != "yes" ] && getarch;; 176 177 -n) runcmd=echo;; 178 179 -o) MKOBJDIRS=no;; 180 181 -r) do_removedirs=true; do_rebuildmake=true;; 182 183 -t) do_buildonlytools=true; do_buildsystem=false;; 184 185 -U) UNPRIVED=yes; export UNPRIVED 186 makeenv="$makeenv UNPRIVED";; 187 188 -u) UPDATE=yes; export UPDATE 189 makeenv="$makeenv UPDATE";; 190 191 -w) eval $optargcmd; resolvepath 192 makewrapper="$OPTARG";; 193 194 -D) eval $optargcmd; resolvepath 195 DESTDIR="$OPTARG"; export DESTDIR 196 makeenv="$makeenv DESTDIR";; 197 198 -M) eval $optargcmd; resolvepath 199 MAKEOBJDIRPREFIX="$OPTARG"; export MAKEOBJDIRPREFIX 200 makeobjdir=$OPTARG 201 makeenv="$makeenv MAKEOBJDIRPREFIX";; 202 203 -O) eval $optargcmd; resolvepath 204 MAKEOBJDIR="\${.CURDIR:C,^$TOP,$OPTARG,}"; export MAKEOBJDIR 205 makeobjdir=$OPTARG 206 makeenv="$makeenv MAKEOBJDIR";; 207 208 -R) eval $optargcmd; resolvepath 209 RELEASEDIR=$OPTARG; export RELEASEDIR 210 makeenv="$makeenv RELEASEDIR" 211 buildtarget=release;; 212 213 -T) eval $optargcmd; resolvepath 214 TOOLDIR="$OPTARG"; export TOOLDIR;; 215 216 --) break;; 217 -'?'|-h) usage;; 218 esac; done 219 220 # Set up MACHINE*. On a NetBSD host, these are allowed to be unset. 221 if [ -z "$MACHINE" ]; then 222 if [ "`uname -s 2>/dev/null`" != "NetBSD" ]; then 223 echo "MACHINE must be set, or -m must be used, for cross builds." 224 echo ""; usage 225 fi 226 MACHINE=`uname -m` 227 fi 228 [ -n "$MACHINE_ARCH" ] || getarch 229 validatearch 230 231 # Set up default make(1) environment. 232 makeenv="$makeenv TOOLDIR MACHINE MACHINE_ARCH MAKEFLAGS" 233 if [ ! -z "$BUILDID" ]; then 234 makeenv="$makeenv BUILDID" 235 fi 236 MAKEFLAGS="-m $TOP/share/mk $MAKEFLAGS MKOBJDIRS=${MKOBJDIRS-yes}" 237 export MAKEFLAGS MACHINE MACHINE_ARCH 238 239 # Test make source file timestamps against installed nbmake binary, 240 # if TOOLDIR is pre-set. 241 # 242 # Note that we do NOT try to grovel "mk.conf" here to find out if TOOLDIR 243 # is set there, because it can contain make variable expansions and other 244 # stuff only parseable *after* we have a working nbmake. So this logic 245 # can only work if the user has pre-set TOOLDIR in the environment or 246 # used the -T option to build.sh. 247 # 248 make="${TOOLDIR-nonexistent}/bin/nbmake" 249 if [ -x $make ]; then 250 for f in usr.bin/make/*.[ch] usr.bin/make/lst.lib/*.[ch]; do 251 if [ $f -nt $make ]; then 252 do_rebuildmake=true; break 253 fi 254 done 255 else 256 do_rebuildmake=true 257 fi 258 259 # Build bootstrap nbmake if needed. 260 if $do_rebuildmake; then 261 $runcmd echo "===> Bootstrapping nbmake" 262 tmpdir="${TMPDIR-/tmp}/nbbuild$$" 263 264 $runcmd mkdir "$tmpdir" || bomb "cannot mkdir: $tmpdir" 265 trap "cd /; rm -r -f \"$tmpdir\"" 0 266 trap "exit 1" 1 2 3 15 267 $runcmd cd "$tmpdir" 268 269 $runcmd env CC="${HOST_CC-cc}" CPPFLAGS="${HOST_CPPFLAGS}" CFLAGS="${HOST_CFLAGS--O}" LDFLAGS="${HOST_LDFLAGS}" \ 270 "$TOP/tools/make/configure" || bomb "configure of nbmake failed" 271 $runcmd sh buildmake.sh || bomb "build of nbmake failed" 272 273 make="$tmpdir/nbmake" 274 $runcmd cd "$TOP" 275 $runcmd rm -f usr.bin/make/*.o usr.bin/make/lst.lib/*.o 276 fi 277 278 if [ "$runcmd" = "echo" ]; then 279 USE_NEW_TOOLCHAIN=yes 280 else 281 USE_NEW_TOOLCHAIN=`getmakevar USE_NEW_TOOLCHAIN` 282 fi 283 if [ "${USE_NEW_TOOLCHAIN}" = "" ]; then 284 echo "ERROR: build.sh (new toolchain) is not yet enabled for" 285 echo 286 echo "MACHINE: ${MACHINE}" 287 echo "MACHINE_ARCH: ${MACHINE_ARCH}" 288 echo 289 echo "All builds for this platform should be done via a traditional make" 290 echo 291 echo "If you wish to test using the new toolchain set" 292 echo 293 echo "USE_NEW_TOOLCHAIN=yes" 294 echo 295 echo "in either the environment or mk.conf and rerun" 296 echo 297 echo "$0 $*" 298 exit 1 299 fi 300 301 # If TOOLDIR isn't already set, make objdirs in "tools" in case the 302 # default setting from <bsd.own.mk> is used. 303 if [ -z "$TOOLDIR" ] && [ "$MKOBJDIRS" != "no" ]; then 304 $runcmd cd tools 305 $runcmd $make -m ${TOP}/share/mk obj NOSUBDIR= || exit 1 306 $runcmd cd .. 307 fi 308 309 # 310 # If setting -M or -O to root an obj dir make sure the base directory is made 311 # before continuing as bsd.own.mk will need this to pick up _SRC_TOP_OBJ_ 312 # 313 if [ "$MKOBJDIRS" != "no" ] && [ ! -z "$makeobjdir" ]; then 314 $runcmd mkdir -p "$makeobjdir" 315 fi 316 317 # Find DESTDIR and TOOLDIR. 318 if [ "$runcmd" = "echo" ]; then 319 # shown symbolically with -n because these may come from mk.conf 320 DESTDIR='$DESTDIR' 321 TOOLDIR='$TOOLDIR' 322 else 323 DESTDIR=`getmakevar DESTDIR`; 324 [ $? = 0 ] || bomb "getmakevar DESTDIR failed"; 325 echo "===> DESTDIR path: $DESTDIR" 326 327 TOOLDIR=`getmakevar TOOLDIR`; 328 [ $? = 0 ] || bomb "getmakevar TOOLDIR failed"; 329 echo "===> TOOLDIR path: $TOOLDIR" 330 331 export DESTDIR TOOLDIR 332 fi 333 334 # Check validity of TOOLDIR and DESTDIR. 335 if [ -z "$TOOLDIR" ] || [ "$TOOLDIR" = "/" ]; then 336 bomb "TOOLDIR '$TOOLDIR' invalid" 337 fi 338 removedirs="$TOOLDIR" 339 340 if [ -z "$DESTDIR" ] || [ "$DESTDIR" = "/" ]; then 341 if $do_buildsystem && \ 342 ([ "$buildtarget" != "build" ] || \ 343 [ "`uname -s 2>/dev/null`" != "NetBSD" ] || \ 344 [ "`uname -m`" != "$MACHINE" ]); then 345 bomb "DESTDIR must be set to a non-root path for cross builds or -d or -R." 346 elif $do_buildsystem; then 347 echo "===> WARNING: Building to /." 348 echo "===> If your kernel is not up to date, this may cause the system to break!" 349 fi 350 else 351 removedirs="$removedirs $DESTDIR" 352 fi 353 354 # Remove the target directories. 355 if $do_removedirs; then 356 for f in $removedirs; do 357 echo "===> Removing $f" 358 $runcmd rm -r -f $f 359 done 360 fi 361 362 # Recreate $TOOLDIR. 363 $runcmd mkdir -p "$TOOLDIR/bin" || bomb "mkdir of '$TOOLDIR/bin' failed" 364 365 # Install nbmake if it was built. 366 if $do_rebuildmake; then 367 $runcmd rm -f "$TOOLDIR/bin/nbmake" 368 $runcmd cp $make "$TOOLDIR/bin/nbmake" 369 $runcmd rm -r -f "$tmpdir" 370 trap 0 1 2 3 15 371 fi 372 373 # Build a nbmake wrapper script, usable by hand as well as by build.sh. 374 if [ -z "$makewrapper" ]; then 375 makewrapper="$TOOLDIR/bin/nbmake-$MACHINE" 376 if [ ! -z "$BUILDID" ]; then 377 makewrapper="$makewrapper-$BUILDID" 378 fi 379 fi 380 381 $runcmd rm -f "$makewrapper" 382 if [ "$runcmd" = "echo" ]; then 383 echo 'cat <<EOF >'$makewrapper 384 makewrapout= 385 else 386 makewrapout=">>\$makewrapper" 387 fi 388 389 eval cat <<EOF $makewrapout 390 #! /bin/sh 391 # Set proper variables to allow easy "make" building of a NetBSD subtree. 392 # Generated from: \$NetBSD: build.sh,v 1.67 2002/09/13 23:27:13 thorpej Exp $ 393 # 394 395 EOF 396 for f in $makeenv; do 397 eval echo "$f=\'\$`echo $f`\'\;\ export\ $f" $makewrapout 398 done 399 eval echo "USETOOLS=yes\; export USETOOLS" $makewrapout 400 401 eval cat <<'EOF' $makewrapout 402 403 exec "$TOOLDIR/bin/nbmake" ${1+"$@"} 404 EOF 405 [ "$runcmd" = "echo" ] && echo EOF 406 $runcmd chmod +x "$makewrapper" 407 408 if $do_buildsystem; then 409 ${runcmd-exec} "$makewrapper" $parallel $buildtarget 410 elif $do_buildonlytools; then 411 if [ "$MKOBJDIRS" != "no" ]; then 412 $runcmd "$makewrapper" $parallel obj-tools || exit 1 413 fi 414 $runcmd cd tools 415 if [ "$UPDATE" = "" ]; then 416 ${runcmd-exec} "$makewrapper" cleandir dependall install 417 else 418 ${runcmd-exec} "$makewrapper" dependall install 419 fi 420 fi 421
Indexes created Wed Oct 01 13:09:50 GMT 2025