build.sh revision 1.64
1 #! /bin/sh 2 # $NetBSD: build.sh,v 1.64 2002/09/03 22:03:48 bjh21 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 10 bomb () { 11 echo "" 12 echo "ERROR: $@" 13 echo "*** BUILD ABORTED ***" 14 exit 1 15 } 16 [ -d usr.bin/make ] || bomb "build.sh must be run from the top source level" 17 [ -f share/mk/bsd.own.mk ] || bomb "src/share/mk is missing; please re-fetch the source tree" 18 19 # If $PWD is a valid name of the current directory, POSIX mandates that pwd 20 # return it by default which causes problems in the presence of symlinks. 21 # Unsetting PWD is simpler than changing every occurrence of pwd to use -P. 22 unset PWD 23 TOP=`pwd` 24 25 getarch () { 26 # Translate a MACHINE into a default MACHINE_ARCH. 27 case $MACHINE in 28 acorn26|acorn32|cats|netwinder|shark|*arm) 29 MACHINE_ARCH=arm;; 30 31 sun2) 32 MACHINE_ARCH=m68000;; 33 34 amiga|atari|cesfic|hp300|sun3|*68k) 35 MACHINE_ARCH=m68k;; 36 37 mipsco|newsmips|sbmips|sgimips) 38 MACHINE_ARCH=mipseb;; 39 40 algor|arc|cobalt|evbmips|hpcmips|playstation2|pmax) 41 MACHINE_ARCH=mipsel;; 42 43 pc532) 44 MACHINE_ARCH=ns32k;; 45 46 bebox|prep|sandpoint|walnut|*ppc) 47 MACHINE_ARCH=powerpc;; 48 49 evbsh3|mmeye) 50 MACHINE_ARCH=sh3eb;; 51 52 dreamcast|hpcsh) 53 MACHINE_ARCH=sh3el;; 54 55 hp700) 56 MACHINE_ARCH=hppa;; 57 58 alpha|i386|sparc|sparc64|vax|x86_64) 59 MACHINE_ARCH=$MACHINE;; 60 61 *) bomb "unknown target MACHINE: $MACHINE";; 62 esac 63 } 64 65 validatearch () { 66 # Ensure that the MACHINE_ARCH exists (and is supported by build.sh). 67 case $MACHINE_ARCH in 68 alpha|arm|armeb|hppa|i386|m68000|m68k|mipse[bl]|ns32k|powerpc|sh3e[bl]|sparc|sparc64|vax|x86_64) 69 ;; 70 71 *) bomb "unknown target MACHINE_ARCH: $MACHINE_ARCH";; 72 esac 73 } 74 75 getmakevar () { 76 $make -m ${TOP}/share/mk -s -f- _x_ <<EOF 77 _x_: 78 echo \${$1} 79 .include <bsd.prog.mk> 80 EOF 81 } 82 83 resolvepath () { 84 case $OPTARG in 85 /*) ;; 86 *) OPTARG="$cwd/$OPTARG";; 87 esac 88 } 89 90 usage () { 91 echo "Usage:" 92 echo "$0 [-bdorUu] [-a arch] [-B buildid] [-j njob] [-m mach] " 93 echo " [-w wrapper] [-D dest] [-M obj] [-O obj] [-R release] [-T tools]" 94 echo "" 95 echo " -a: set MACHINE_ARCH to arch (otherwise deduced from MACHINE)" 96 echo " -B: set BUILDID to buildid" 97 echo " -b: build nbmake and nbmake wrapper script, if needed" 98 echo " -D: set DESTDIR to dest" 99 echo " -d: build a full distribution into DESTDIR (including etc files)" 100 echo " -j: Run up to njob jobs in parallel; see make(1)" 101 echo " -M: set obj root directory to obj (sets MAKEOBJDIRPREFIX)" 102 echo " -m: set MACHINE to mach (not required if NetBSD native)" 103 echo " -n: show commands that would be executed, but do not execute them" 104 echo " -O: set obj root directory to obj (sets a MAKEOBJDIR pattern)" 105 echo " -o: set MKOBJDIRS=no (do not create objdirs at start of build)" 106 echo " -R: build a release (and set RELEASEDIR to release)" 107 echo " -r: remove contents of TOOLDIR and DESTDIR before building" 108 echo " -T: set TOOLDIR to tools" 109 echo " -t: build and install tools only (implies -b)" 110 echo " -U: set UNPRIVED" 111 echo " -u: set UPDATE" 112 echo " -w: create nbmake script at wrapper (default TOOLDIR/bin/nbmake-MACHINE)" 113 echo "" 114 echo "Note: if -T is unset and TOOLDIR is not set in the environment," 115 echo " nbmake will be [re]built unconditionally." 116 exit 1 117 } 118 119 # Set defaults. 120 MAKEFLAGS= 121 buildtarget=build 122 cwd=`pwd` 123 do_buildsystem=true 124 do_buildonlytools=false 125 do_rebuildmake=false 126 do_removedirs=false 127 makeenv= 128 makewrapper= 129 opt_a=no 130 opts='a:B:bdhj:m:nortuw:D:M:O:R:T:U' 131 runcmd= 132 133 if type getopts >/dev/null 2>&1; then 134 # Use POSIX getopts. 135 getoptcmd='getopts $opts opt && opt=-$opt' 136 optargcmd=':' 137 else 138 type getopt >/dev/null 2>&1 || bomb "/bin/sh shell is too old; try ksh or bash" 139 140 # Use old-style getopt(1) (doesn't handle whitespace in args). 141 args="`getopt $opts $*`" 142 [ $? = 0 ] || usage 143 set -- $args 144 145 getoptcmd='[ $# -gt 0 ] && opt="$1" && shift' 146 optargcmd='OPTARG="$1"; shift' 147 fi 148 149 # Parse command line options. 150 while eval $getoptcmd; do case $opt in 151 -a) eval $optargcmd 152 MACHINE_ARCH=$OPTARG; opt_a=yes;; 153 154 -B) eval $optargcmd 155 BUILDID=$OPTARG;; 156 157 -b) do_buildsystem=false;; 158 159 -d) buildtarget=distribution;; 160 161 -j) eval $optargcmd 162 parallel="-j $OPTARG";; 163 164 # -m overrides MACHINE_ARCH unless "-a" is specified 165 -m) eval $optargcmd 166 MACHINE=$OPTARG; [ "$opt_a" != "yes" ] && getarch;; 167 168 -n) runcmd=echo;; 169 170 -o) MKOBJDIRS=no;; 171 172 -r) do_removedirs=true; do_rebuildmake=true;; 173 174 -t) do_buildonlytools=true; do_buildsystem=false;; 175 176 -U) UNPRIVED=yes; export UNPRIVED 177 makeenv="$makeenv UNPRIVED";; 178 179 -u) UPDATE=yes; export UPDATE 180 makeenv="$makeenv UPDATE";; 181 182 -w) eval $optargcmd; resolvepath 183 makewrapper="$OPTARG";; 184 185 -D) eval $optargcmd; resolvepath 186 DESTDIR="$OPTARG"; export DESTDIR 187 makeenv="$makeenv DESTDIR";; 188 189 -M) eval $optargcmd; resolvepath 190 MAKEOBJDIRPREFIX="$OPTARG"; export MAKEOBJDIRPREFIX 191 makeobjdir=$OPTARG 192 makeenv="$makeenv MAKEOBJDIRPREFIX";; 193 194 -O) eval $optargcmd; resolvepath 195 MAKEOBJDIR="\${.CURDIR:C,^$cwd,$OPTARG,}"; export MAKEOBJDIR 196 makeobjdir=$OPTARG 197 makeenv="$makeenv MAKEOBJDIR";; 198 199 -R) eval $optargcmd; resolvepath 200 RELEASEDIR=$OPTARG; export RELEASEDIR 201 makeenv="$makeenv RELEASEDIR" 202 buildtarget=release;; 203 204 -T) eval $optargcmd; resolvepath 205 TOOLDIR="$OPTARG"; export TOOLDIR;; 206 207 --) break;; 208 -'?'|-h) usage;; 209 esac; done 210 211 # Set up MACHINE*. On a NetBSD host, these are allowed to be unset. 212 if [ -z "$MACHINE" ]; then 213 if [ "`uname -s 2>/dev/null`" != "NetBSD" ]; then 214 echo "MACHINE must be set, or -m must be used, for cross builds." 215 echo ""; usage 216 fi 217 MACHINE=`uname -m` 218 fi 219 [ -n "$MACHINE_ARCH" ] || getarch 220 validatearch 221 222 # Set up default make(1) environment. 223 makeenv="$makeenv TOOLDIR MACHINE MACHINE_ARCH MAKEFLAGS" 224 if [ ! -z "$BUILDID" ]; then 225 makeenv="$makeenv BUILDID" 226 fi 227 MAKEFLAGS="-m $cwd/share/mk $MAKEFLAGS MKOBJDIRS=${MKOBJDIRS-yes}" 228 export MAKEFLAGS MACHINE MACHINE_ARCH 229 230 # Test make source file timestamps against installed nbmake binary, 231 # if TOOLDIR is pre-set. 232 # 233 # Note that we do NOT try to grovel "mk.conf" here to find out if TOOLDIR 234 # is set there, because it can contain make variable expansions and other 235 # stuff only parseable *after* we have a working nbmake. So this logic 236 # can only work if the user has pre-set TOOLDIR in the environment or 237 # used the -T option to build.sh. 238 # 239 make="${TOOLDIR-nonexistent}/bin/nbmake" 240 if [ -x $make ]; then 241 for f in usr.bin/make/*.[ch] usr.bin/make/lst.lib/*.[ch]; do 242 if [ $f -nt $make ]; then 243 do_rebuildmake=true; break 244 fi 245 done 246 else 247 do_rebuildmake=true 248 fi 249 250 # Build bootstrap nbmake if needed. 251 if $do_rebuildmake; then 252 $runcmd echo "===> Bootstrapping nbmake" 253 tmpdir="${TMPDIR-/tmp}/nbbuild$$" 254 255 $runcmd mkdir "$tmpdir" || bomb "cannot mkdir: $tmpdir" 256 trap "cd /; rm -r -f \"$tmpdir\"" 0 257 trap "exit 1" 1 2 3 15 258 $runcmd cd "$tmpdir" 259 260 $runcmd env CC="${HOST_CC-cc}" CPPFLAGS="${HOST_CPPFLAGS}" CFLAGS="${HOST_CFLAGS--O}" LDFLAGS="${HOST_LDFLAGS}" \ 261 "$cwd/tools/make/configure" || bomb "configure of nbmake failed" 262 $runcmd sh buildmake.sh || bomb "build of nbmake failed" 263 264 make="$tmpdir/nbmake" 265 $runcmd cd "$cwd" 266 $runcmd rm -f usr.bin/make/*.o usr.bin/make/lst.lib/*.o 267 fi 268 269 if [ "$runcmd" = "echo" ]; then 270 USE_NEW_TOOLCHAIN=yes 271 else 272 USE_NEW_TOOLCHAIN=`getmakevar USE_NEW_TOOLCHAIN` 273 fi 274 if [ "${USE_NEW_TOOLCHAIN}" = "" ]; then 275 echo "ERROR: build.sh (new toolchain) is not yet enabled for" 276 echo 277 echo "MACHINE: ${MACHINE}" 278 echo "MACHINE_ARCH: ${MACHINE_ARCH}" 279 echo 280 echo "All builds for this platform should be done via a traditional make" 281 echo 282 echo "If you wish to test using the new toolchain set" 283 echo 284 echo "USE_NEW_TOOLCHAIN=yes" 285 echo 286 echo "in either the environment or mk.conf and rerun" 287 echo 288 echo "$0 $*" 289 exit 1 290 fi 291 292 # If TOOLDIR isn't already set, make objdirs in "tools" in case the 293 # default setting from <bsd.own.mk> is used. 294 if [ -z "$TOOLDIR" ] && [ "$MKOBJDIRS" != "no" ]; then 295 $runcmd cd tools 296 $runcmd $make -m ${TOP}/share/mk obj NOSUBDIR= || exit 1 297 $runcmd cd .. 298 fi 299 300 # 301 # If setting -M or -O to root an obj dir make sure the base directory is made 302 # before continuing as bsd.own.mk will need this to pick up _SRC_TOP_OBJ_ 303 # 304 if [ "$MKOBJDIRS" != "no" ] && [ ! -z "$makeobjdir" ]; then 305 $runcmd mkdir -p "$makeobjdir" 306 fi 307 308 # Find DESTDIR and TOOLDIR. 309 if [ "$runcmd" = "echo" ]; then 310 # shown symbolically with -n because these may come from mk.conf 311 DESTDIR='$DESTDIR' 312 TOOLDIR='$TOOLDIR' 313 else 314 DESTDIR=`getmakevar DESTDIR`; 315 [ $? = 0 ] || bomb "getmakevar DESTDIR failed"; 316 echo "===> DESTDIR path: $DESTDIR" 317 318 TOOLDIR=`getmakevar TOOLDIR`; 319 [ $? = 0 ] || bomb "getmakevar TOOLDIR failed"; 320 echo "===> TOOLDIR path: $TOOLDIR" 321 322 export DESTDIR TOOLDIR 323 fi 324 325 # Check validity of TOOLDIR and DESTDIR. 326 if [ -z "$TOOLDIR" ] || [ "$TOOLDIR" = "/" ]; then 327 bomb "TOOLDIR '$TOOLDIR' invalid" 328 fi 329 removedirs="$TOOLDIR" 330 331 if [ -z "$DESTDIR" ] || [ "$DESTDIR" = "/" ]; then 332 if $do_buildsystem && \ 333 ([ "$buildtarget" != "build" ] || \ 334 [ "`uname -s 2>/dev/null`" != "NetBSD" ] || \ 335 [ "`uname -m`" != "$MACHINE" ]); then 336 bomb "DESTDIR must be set to a non-root path for cross builds or -d or -R." 337 elif $do_buildsystem; then 338 echo "===> WARNING: Building to /." 339 echo "===> If your kernel is not up to date, this may cause the system to break!" 340 fi 341 else 342 removedirs="$removedirs $DESTDIR" 343 fi 344 345 # Remove the target directories. 346 if $do_removedirs; then 347 for f in $removedirs; do 348 echo "===> Removing $f" 349 $runcmd rm -r -f $f 350 done 351 fi 352 353 # Recreate $TOOLDIR. 354 $runcmd mkdir -p "$TOOLDIR/bin" || bomb "mkdir of '$TOOLDIR/bin' failed" 355 356 # Install nbmake if it was built. 357 if $do_rebuildmake; then 358 $runcmd rm -f "$TOOLDIR/bin/nbmake" 359 $runcmd cp $make "$TOOLDIR/bin/nbmake" 360 $runcmd rm -r -f "$tmpdir" 361 trap 0 1 2 3 15 362 fi 363 364 # Build a nbmake wrapper script, usable by hand as well as by build.sh. 365 if [ -z "$makewrapper" ]; then 366 makewrapper="$TOOLDIR/bin/nbmake-$MACHINE" 367 if [ ! -z "$BUILDID" ]; then 368 makewrapper="$makewrapper-$BUILDID" 369 fi 370 fi 371 372 $runcmd rm -f "$makewrapper" 373 if [ "$runcmd" = "echo" ]; then 374 echo 'cat <<EOF >'$makewrapper 375 makewrapout= 376 else 377 makewrapout=">>\$makewrapper" 378 fi 379 380 eval cat <<EOF $makewrapout 381 #! /bin/sh 382 # Set proper variables to allow easy "make" building of a NetBSD subtree. 383 # Generated from: \$NetBSD: build.sh,v 1.64 2002/09/03 22:03:48 bjh21 Exp $ 384 # 385 386 EOF 387 for f in $makeenv; do 388 eval echo "$f=\'\$`echo $f`\'\;\ export\ $f" $makewrapout 389 done 390 eval echo "USETOOLS=yes\; export USETOOLS" $makewrapout 391 392 eval cat <<'EOF' $makewrapout 393 394 exec "$TOOLDIR/bin/nbmake" ${1+"$@"} 395 EOF 396 [ "$runcmd" = "echo" ] && echo EOF 397 $runcmd chmod +x "$makewrapper" 398 399 if $do_buildsystem; then 400 ${runcmd-exec} "$makewrapper" $parallel $buildtarget 401 elif $do_buildonlytools; then 402 if [ "$MKOBJDIRS" != "no" ]; then 403 $runcmd "$makewrapper" $parallel obj-tools || exit 1 404 fi 405 $runcmd cd tools 406 if [ "$UPDATE" = "" ]; then 407 ${runcmd-exec} "$makewrapper" cleandir dependall install 408 else 409 ${runcmd-exec} "$makewrapper" dependall install 410 fi 411 fi 412
Indexes created Tue Sep 30 20:09:53 GMT 2025