build.sh revision 1.58.2.7
1 #! /usr/bin/env sh 2 # $NetBSD: build.sh,v 1.58.2.7 2004/03/12 04:00:47 jmc 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 $MACHINE in 38 acorn26|acorn32|cats|netwinder|shark|*arm) 39 MACHINE_ARCH=arm;; 40 41 sun2) 42 MACHINE_ARCH=m68000;; 43 44 amiga|atari|cesfic|hp300|sun3|*68k) 45 MACHINE_ARCH=m68k;; 46 47 mipsco|newsmips|sbmips|sgimips) 48 MACHINE_ARCH=mipseb;; 49 50 algor|arc|cobalt|evbmips|hpcmips|playstation2|pmax) 51 MACHINE_ARCH=mipsel;; 52 53 pc532) 54 MACHINE_ARCH=ns32k;; 55 56 bebox|mvmeppc|prep|sandpoint|walnut|*ppc) 57 MACHINE_ARCH=powerpc;; 58 59 evbsh3|mmeye) 60 MACHINE_ARCH=sh3eb;; 61 62 dreamcast|hpcsh) 63 MACHINE_ARCH=sh3el;; 64 65 alpha|i386|sparc|sparc64|vax|x86_64) 66 MACHINE_ARCH=$MACHINE;; 67 68 *) bomb "unknown target MACHINE: $MACHINE";; 69 esac 70 } 71 72 validatearch () { 73 # Ensure that the MACHINE_ARCH exists (and is supported by build.sh). 74 case $MACHINE_ARCH in 75 alpha|arm|armeb|i386|m68000|m68k|mipse[bl]|powerpc|sh3e[bl]|sparc|sparc64|vax|x86_64) 76 ;; 77 78 *) bomb "unknown target MACHINE_ARCH: $MACHINE_ARCH";; 79 esac 80 } 81 82 getmakevar () { 83 $make -m ${TOP}/share/mk -s -f- _x_ <<EOF 84 _x_: 85 echo \${$1} 86 .include <bsd.prog.mk> 87 EOF 88 } 89 90 resolvepath () { 91 case $OPTARG in 92 /*) ;; 93 *) OPTARG="$TOP/$OPTARG";; 94 esac 95 } 96 97 usage () { 98 echo "Usage:" 99 echo "$0 [-bdorUu] [-a arch] [-B buildid] [-j njob] [-m mach] " 100 echo " [-w wrapper] [-D dest] [-M obj] [-O obj] [-R release] [-T tools]" 101 echo "" 102 echo " -a: set MACHINE_ARCH to arch (otherwise deduced from MACHINE)" 103 echo " -B: set BUILDID to buildid" 104 echo " -b: build nbmake and nbmake wrapper script, if needed" 105 echo " -D: set DESTDIR to dest" 106 echo " -d: build a full distribution into DESTDIR (including etc files)" 107 echo " -j: Run up to njob jobs in parallel; see make(1)" 108 echo " -M: set obj root directory to obj (sets MAKEOBJDIRPREFIX)" 109 echo " -m: set MACHINE to mach (not required if NetBSD native)" 110 echo " -n: show commands that would be executed, but do not execute them" 111 echo " -O: set obj root directory to obj (sets a MAKEOBJDIR pattern)" 112 echo " -o: set MKOBJDIRS=no (do not create objdirs at start of build)" 113 echo " -R: build a release (and set RELEASEDIR to release)" 114 echo " -r: remove contents of TOOLDIR and DESTDIR before building" 115 echo " -T: set TOOLDIR to tools" 116 echo " -t: build and install tools only (implies -b)" 117 echo " -U: set UNPRIVED" 118 echo " -u: set UPDATE" 119 echo " -w: create nbmake script at wrapper (default TOOLDIR/bin/nbmake-MACHINE)" 120 echo "" 121 echo "Note: if -T is unset and TOOLDIR is not set in the environment," 122 echo " nbmake will be [re]built unconditionally." 123 exit 1 124 } 125 126 # Set defaults. 127 MAKEFLAGS= 128 buildtarget=build 129 do_buildsystem=true 130 do_buildonlytools=false 131 do_rebuildmake=false 132 do_removedirs=false 133 makeenv= 134 makewrapper= 135 opt_a=no 136 opts='a:B:bdhj:m:nortuw:D:M:O:R:T:U' 137 runcmd= 138 139 if type getopts >/dev/null 2>&1; then 140 # Use POSIX getopts. 141 getoptcmd='getopts $opts opt && opt=-$opt' 142 optargcmd=':' 143 else 144 type getopt >/dev/null 2>&1 || bomb "/bin/sh shell is too old; try ksh or bash" 145 146 # Use old-style getopt(1) (doesn't handle whitespace in args). 147 args="`getopt $opts $*`" 148 [ $? = 0 ] || usage 149 set -- $args 150 151 getoptcmd='[ $# -gt 0 ] && opt="$1" && shift' 152 optargcmd='OPTARG="$1"; shift' 153 fi 154 155 # Parse command line options. 156 while eval $getoptcmd; do case $opt in 157 -a) eval $optargcmd 158 MACHINE_ARCH=$OPTARG; opt_a=yes;; 159 160 -B) eval $optargcmd 161 BUILDID=$OPTARG;; 162 163 -b) do_buildsystem=false;; 164 165 -d) buildtarget=distribution;; 166 167 -j) eval $optargcmd 168 parallel="-j $OPTARG";; 169 170 # -m overrides MACHINE_ARCH unless "-a" is specified 171 -m) eval $optargcmd 172 MACHINE=$OPTARG; [ "$opt_a" != "yes" ] && getarch;; 173 174 -n) runcmd=echo;; 175 176 -o) MKOBJDIRS=no;; 177 178 -r) do_removedirs=true; do_rebuildmake=true;; 179 180 -t) do_buildonlytools=true; do_buildsystem=false;; 181 182 -U) UNPRIVED=yes; export UNPRIVED 183 makeenv="$makeenv UNPRIVED";; 184 185 -u) UPDATE=yes; export UPDATE 186 makeenv="$makeenv UPDATE";; 187 188 -w) eval $optargcmd; resolvepath 189 makewrapper="$OPTARG";; 190 191 -D) eval $optargcmd; resolvepath 192 DESTDIR="$OPTARG"; export DESTDIR 193 makeenv="$makeenv DESTDIR";; 194 195 -M) eval $optargcmd; resolvepath 196 MAKEOBJDIRPREFIX="$OPTARG"; export MAKEOBJDIRPREFIX 197 makeobjdir=$OPTARG 198 makeenv="$makeenv MAKEOBJDIRPREFIX";; 199 200 -O) eval $optargcmd; resolvepath 201 MAKEOBJDIR="\${.CURDIR:C,^$TOP,$OPTARG,}"; export MAKEOBJDIR 202 makeobjdir=$OPTARG 203 makeenv="$makeenv MAKEOBJDIR";; 204 205 -R) eval $optargcmd; resolvepath 206 RELEASEDIR=$OPTARG; export RELEASEDIR 207 makeenv="$makeenv RELEASEDIR" 208 buildtarget=release;; 209 210 -T) eval $optargcmd; resolvepath 211 TOOLDIR="$OPTARG"; export TOOLDIR;; 212 213 --) break;; 214 -'?'|-h) usage;; 215 esac; done 216 217 # Set up MACHINE*. On a NetBSD host, these are allowed to be unset. 218 if [ -z "$MACHINE" ]; then 219 if [ "`uname -s 2>/dev/null`" != "NetBSD" ]; then 220 echo "MACHINE must be set, or -m must be used, for cross builds." 221 echo ""; usage 222 fi 223 MACHINE=`uname -m` 224 fi 225 [ -n "$MACHINE_ARCH" ] || getarch 226 validatearch 227 228 # Set up default make(1) environment. 229 NETBSDSRCDIR=${TOP} 230 makeenv="$makeenv TOOLDIR MACHINE MACHINE_ARCH MAKEFLAGS NETBSDSRCDIR" 231 if [ ! -z "$BUILDID" ]; then 232 makeenv="$makeenv BUILDID" 233 fi 234 MAKEFLAGS="-m $TOP/share/mk $MAKEFLAGS MKOBJDIRS=${MKOBJDIRS-yes}" 235 export MAKEFLAGS MACHINE MACHINE_ARCH 236 237 # Test make source file timestamps against installed nbmake binary, 238 # if TOOLDIR is pre-set. 239 # 240 # Note that we do NOT try to grovel "mk.conf" here to find out if TOOLDIR 241 # is set there, because it can contain make variable expansions and other 242 # stuff only parseable *after* we have a working nbmake. So this logic 243 # can only work if the user has pre-set TOOLDIR in the environment or 244 # used the -T option to build.sh. 245 # 246 make="${TOOLDIR-nonexistent}/bin/nbmake" 247 if [ -x $make ]; then 248 for f in usr.bin/make/*.[ch] usr.bin/make/lst.lib/*.[ch]; do 249 if [ $f -nt $make ]; then 250 do_rebuildmake=true; break 251 fi 252 done 253 else 254 do_rebuildmake=true 255 fi 256 257 # Build bootstrap nbmake if needed. 258 if $do_rebuildmake; then 259 $runcmd echo "===> Bootstrapping nbmake" 260 tmpdir="${TMPDIR-/tmp}/nbbuild$$" 261 262 $runcmd mkdir "$tmpdir" || bomb "cannot mkdir: $tmpdir" 263 trap "cd /; rm -r -f \"$tmpdir\"" 0 264 trap "exit 1" 1 2 3 15 265 $runcmd cd "$tmpdir" 266 267 $runcmd env CC="${HOST_CC-cc}" CPPFLAGS="${HOST_CPPFLAGS}" CFLAGS="${HOST_CFLAGS--O}" LDFLAGS="${HOST_LDFLAGS}" \ 268 sh "$TOP/tools/make/configure" || bomb "configure of nbmake failed" 269 $runcmd sh buildmake.sh || bomb "build of nbmake failed" 270 271 make="$tmpdir/nbmake" 272 $runcmd cd "$TOP" 273 $runcmd rm -f usr.bin/make/*.o usr.bin/make/lst.lib/*.o 274 fi 275 276 if [ "$runcmd" = "echo" ]; then 277 USE_NEW_TOOLCHAIN=yes 278 else 279 USE_NEW_TOOLCHAIN=`getmakevar USE_NEW_TOOLCHAIN` 280 fi 281 if [ "${USE_NEW_TOOLCHAIN}" = "" ]; then 282 echo "ERROR: build.sh (new toolchain) is not yet enabled for" 283 echo 284 echo "MACHINE: ${MACHINE}" 285 echo "MACHINE_ARCH: ${MACHINE_ARCH}" 286 echo 287 echo "All builds for this platform should be done via a traditional make" 288 echo 289 echo "If you wish to test using the new toolchain set" 290 echo 291 echo "USE_NEW_TOOLCHAIN=yes" 292 echo 293 echo "in either the environment or mk.conf and rerun" 294 echo 295 echo "$0 $*" 296 exit 1 297 fi 298 299 # If TOOLDIR isn't already set, make objdirs in "tools" in case the 300 # default setting from <bsd.own.mk> is used. 301 if [ -z "$TOOLDIR" ] && [ "$MKOBJDIRS" != "no" ]; then 302 $runcmd cd tools 303 $runcmd $make -m ${TOP}/share/mk obj NOSUBDIR= || exit 1 304 $runcmd cd .. 305 fi 306 307 # 308 # If setting -M or -O to root an obj dir make sure the base directory is made 309 # before continuing as bsd.own.mk will need this to pick up _SRC_TOP_OBJ_ 310 # 311 if [ "$MKOBJDIRS" != "no" ] && [ ! -z "$makeobjdir" ]; then 312 $runcmd mkdir -p "$makeobjdir" 313 fi 314 315 # Find DESTDIR and TOOLDIR. 316 if [ "$runcmd" = "echo" ]; then 317 # shown symbolically with -n because these may come from mk.conf 318 DESTDIR='$DESTDIR' 319 TOOLDIR='$TOOLDIR' 320 else 321 DESTDIR=`getmakevar DESTDIR`; 322 [ $? = 0 ] || bomb "getmakevar DESTDIR failed"; 323 echo "===> DESTDIR path: $DESTDIR" 324 325 TOOLDIR=`getmakevar TOOLDIR`; 326 [ $? = 0 ] || bomb "getmakevar TOOLDIR failed"; 327 echo "===> TOOLDIR path: $TOOLDIR" 328 329 export DESTDIR TOOLDIR 330 fi 331 332 # Check validity of TOOLDIR and DESTDIR. 333 if [ -z "$TOOLDIR" ] || [ "$TOOLDIR" = "/" ]; then 334 bomb "TOOLDIR '$TOOLDIR' invalid" 335 fi 336 removedirs="$TOOLDIR" 337 338 if [ -z "$DESTDIR" ] || [ "$DESTDIR" = "/" ]; then 339 if $do_buildsystem && \ 340 ([ "$buildtarget" != "build" ] || \ 341 [ "`uname -s 2>/dev/null`" != "NetBSD" ] || \ 342 [ "`uname -m`" != "$MACHINE" ]); then 343 bomb "DESTDIR must be set to a non-root path for cross builds or -d or -R." 344 elif $do_buildsystem; then 345 echo "===> WARNING: Building to /." 346 echo "===> If your kernel is not up to date, this may cause the system to break!" 347 fi 348 else 349 removedirs="$removedirs $DESTDIR" 350 fi 351 352 # Remove the target directories. 353 if $do_removedirs; then 354 for f in $removedirs; do 355 echo "===> Removing $f" 356 $runcmd rm -r -f $f 357 done 358 fi 359 360 # Recreate $TOOLDIR. 361 $runcmd mkdir -p "$TOOLDIR/bin" || bomb "mkdir of '$TOOLDIR/bin' failed" 362 363 # Install nbmake if it was built. 364 if $do_rebuildmake; then 365 $runcmd rm -f "$TOOLDIR/bin/nbmake" 366 $runcmd cp $make "$TOOLDIR/bin/nbmake" 367 $runcmd rm -r -f "$tmpdir" 368 trap 0 1 2 3 15 369 fi 370 371 # Build a nbmake wrapper script, usable by hand as well as by build.sh. 372 if [ -z "$makewrapper" ]; then 373 makewrapper="$TOOLDIR/bin/nbmake-$MACHINE" 374 if [ ! -z "$BUILDID" ]; then 375 makewrapper="$makewrapper-$BUILDID" 376 fi 377 fi 378 379 $runcmd rm -f "$makewrapper" 380 if [ "$runcmd" = "echo" ]; then 381 echo 'cat <<EOF >'$makewrapper 382 makewrapout= 383 else 384 makewrapout=">>\$makewrapper" 385 fi 386 387 eval cat <<EOF $makewrapout 388 #! /bin/sh 389 # Set proper variables to allow easy "make" building of a NetBSD subtree. 390 # Generated from: \$NetBSD: build.sh,v 1.58.2.7 2004/03/12 04:00:47 jmc Exp $ 391 # 392 393 EOF 394 for f in $makeenv; do 395 eval echo "$f=\'\$`echo $f`\'\;\ export\ $f" $makewrapout 396 done 397 eval echo "USETOOLS=yes\; export USETOOLS" $makewrapout 398 399 eval cat <<'EOF' $makewrapout 400 401 exec "$TOOLDIR/bin/nbmake" ${1+"$@"} 402 EOF 403 [ "$runcmd" = "echo" ] && echo EOF 404 $runcmd chmod +x "$makewrapper" 405 406 if $do_buildsystem; then 407 ${runcmd-exec} "$makewrapper" $parallel $buildtarget 408 elif $do_buildonlytools; then 409 if [ "$MKOBJDIRS" != "no" ]; then 410 $runcmd "$makewrapper" $parallel obj-tools || exit 1 411 fi 412 $runcmd cd tools 413 if [ "$UPDATE" = "" ]; then 414 ${runcmd-exec} "$makewrapper" cleandir dependall install 415 else 416 ${runcmd-exec} "$makewrapper" dependall install 417 fi 418 fi 419
Indexes created Mon Oct 27 20:09:55 GMT 2025