build.sh revision 1.62
1 #! /bin/sh 2 # $NetBSD: build.sh,v 1.62 2002/06/10 14:08:05 fredette 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 TOP=`pwd` 20 21 getarch () { 22 # Translate a MACHINE into a default MACHINE_ARCH. 23 case $MACHINE in 24 acorn26|acorn32|cats|netwinder|shark|*arm) 25 MACHINE_ARCH=arm;; 26 27 sun2) 28 MACHINE_ARCH=m68000;; 29 30 amiga|atari|cesfic|hp300|sun3|*68k) 31 MACHINE_ARCH=m68k;; 32 33 mipsco|newsmips|sbmips|sgimips) 34 MACHINE_ARCH=mipseb;; 35 36 algor|arc|cobalt|evbmips|hpcmips|playstation2|pmax) 37 MACHINE_ARCH=mipsel;; 38 39 pc532) 40 MACHINE_ARCH=ns32k;; 41 42 bebox|prep|sandpoint|walnut|*ppc) 43 MACHINE_ARCH=powerpc;; 44 45 evbsh3|mmeye) 46 MACHINE_ARCH=sh3eb;; 47 48 dreamcast|hpcsh) 49 MACHINE_ARCH=sh3el;; 50 51 hp700) 52 MACHINE_ARCH=hppa;; 53 54 alpha|i386|sparc|sparc64|vax|x86_64) 55 MACHINE_ARCH=$MACHINE;; 56 57 *) bomb "unknown target MACHINE: $MACHINE";; 58 esac 59 } 60 61 validatearch () { 62 # Ensure that the MACHINE_ARCH exists (and is supported by build.sh). 63 case $MACHINE_ARCH in 64 alpha|arm|armeb|hppa|i386|m68000|m68k|mipse[bl]|ns32k|powerpc|sh3e[bl]|sparc|sparc64|vax|x86_64) 65 ;; 66 67 *) bomb "unknown target MACHINE_ARCH: $MACHINE_ARCH";; 68 esac 69 } 70 71 getmakevar () { 72 $make -m ${TOP}/share/mk -s -f- _x_ <<EOF 73 _x_: 74 echo \${$1} 75 .include <bsd.prog.mk> 76 EOF 77 } 78 79 resolvepath () { 80 case $OPTARG in 81 /*) ;; 82 *) OPTARG="$cwd/$OPTARG";; 83 esac 84 } 85 86 usage () { 87 echo "Usage:" 88 echo "$0 [-bdorUu] [-a arch] [-B buildid] [-j njob] [-m mach] " 89 echo " [-w wrapper] [-D dest] [-M obj] [-O obj] [-R release] [-T tools]" 90 echo "" 91 echo " -a: set MACHINE_ARCH to arch (otherwise deduced from MACHINE)" 92 echo " -B: set BUILDID to buildid" 93 echo " -b: build nbmake and nbmake wrapper script, if needed" 94 echo " -D: set DESTDIR to dest" 95 echo " -d: build a full distribution into DESTDIR (including etc files)" 96 echo " -j: Run up to njob jobs in parallel; see make(1)" 97 echo " -M: set obj root directory to obj (sets MAKEOBJDIRPREFIX)" 98 echo " -m: set MACHINE to mach (not required if NetBSD native)" 99 echo " -n: show commands that would be executed, but do not execute them" 100 echo " -O: set obj root directory to obj (sets a MAKEOBJDIR pattern)" 101 echo " -o: set MKOBJDIRS=no (do not create objdirs at start of build)" 102 echo " -R: build a release (and set RELEASEDIR to release)" 103 echo " -r: remove contents of TOOLDIR and DESTDIR before building" 104 echo " -T: set TOOLDIR to tools" 105 echo " -t: build and install tools only (implies -b)" 106 echo " -U: set UNPRIVED" 107 echo " -u: set UPDATE" 108 echo " -w: create nbmake script at wrapper (default TOOLDIR/bin/nbmake-MACHINE)" 109 echo "" 110 echo "Note: if -T is unset and TOOLDIR is not set in the environment," 111 echo " nbmake will be [re]built unconditionally." 112 exit 1 113 } 114 115 # Set defaults. 116 MAKEFLAGS= 117 buildtarget=build 118 cwd=`pwd` 119 do_buildsystem=true 120 do_buildonlytools=false 121 do_rebuildmake=false 122 do_removedirs=false 123 makeenv= 124 makewrapper= 125 opt_a=no 126 opts='a:B:bdhj:m:nortuw:D:M:O:R:T:U' 127 runcmd= 128 129 if type getopts >/dev/null 2>&1; then 130 # Use POSIX getopts. 131 getoptcmd='getopts $opts opt && opt=-$opt' 132 optargcmd=':' 133 else 134 type getopt >/dev/null 2>&1 || bomb "/bin/sh shell is too old; try ksh or bash" 135 136 # Use old-style getopt(1) (doesn't handle whitespace in args). 137 args="`getopt $opts $*`" 138 [ $? = 0 ] || usage 139 set -- $args 140 141 getoptcmd='[ $# -gt 0 ] && opt="$1" && shift' 142 optargcmd='OPTARG="$1"; shift' 143 fi 144 145 # Parse command line options. 146 while eval $getoptcmd; do case $opt in 147 -a) eval $optargcmd 148 MACHINE_ARCH=$OPTARG; opt_a=yes;; 149 150 -B) eval $optargcmd 151 BUILDID=$OPTARG;; 152 153 -b) do_buildsystem=false;; 154 155 -d) buildtarget=distribution;; 156 157 -j) eval $optargcmd 158 parallel="-j $OPTARG";; 159 160 # -m overrides MACHINE_ARCH unless "-a" is specified 161 -m) eval $optargcmd 162 MACHINE=$OPTARG; [ "$opt_a" != "yes" ] && getarch;; 163 164 -n) runcmd=echo;; 165 166 -o) MKOBJDIRS=no;; 167 168 -r) do_removedirs=true; do_rebuildmake=true;; 169 170 -t) do_buildonlytools=true; do_buildsystem=false;; 171 172 -U) UNPRIVED=yes; export UNPRIVED 173 makeenv="$makeenv UNPRIVED";; 174 175 -u) UPDATE=yes; export UPDATE 176 makeenv="$makeenv UPDATE";; 177 178 -w) eval $optargcmd; resolvepath 179 makewrapper="$OPTARG";; 180 181 -D) eval $optargcmd; resolvepath 182 DESTDIR="$OPTARG"; export DESTDIR 183 makeenv="$makeenv DESTDIR";; 184 185 -M) eval $optargcmd; resolvepath 186 MAKEOBJDIRPREFIX="$OPTARG"; export MAKEOBJDIRPREFIX 187 makeobjdir=$OPTARG 188 makeenv="$makeenv MAKEOBJDIRPREFIX";; 189 190 -O) eval $optargcmd; resolvepath 191 MAKEOBJDIR="\${.CURDIR:C,^$cwd,$OPTARG,}"; export MAKEOBJDIR 192 makeobjdir=$OPTARG 193 makeenv="$makeenv MAKEOBJDIR";; 194 195 -R) eval $optargcmd; resolvepath 196 RELEASEDIR=$OPTARG; export RELEASEDIR 197 makeenv="$makeenv RELEASEDIR" 198 buildtarget=release;; 199 200 -T) eval $optargcmd; resolvepath 201 TOOLDIR="$OPTARG"; export TOOLDIR;; 202 203 --) break;; 204 -'?'|-h) usage;; 205 esac; done 206 207 # Set up MACHINE*. On a NetBSD host, these are allowed to be unset. 208 if [ -z "$MACHINE" ]; then 209 if [ "`uname -s 2>/dev/null`" != "NetBSD" ]; then 210 echo "MACHINE must be set, or -m must be used, for cross builds." 211 echo ""; usage 212 fi 213 MACHINE=`uname -m` 214 fi 215 [ -n "$MACHINE_ARCH" ] || getarch 216 validatearch 217 218 # Set up default make(1) environment. 219 makeenv="$makeenv TOOLDIR MACHINE MACHINE_ARCH MAKEFLAGS" 220 if [ ! -z "$BUILDID" ]; then 221 makeenv="$makeenv BUILDID" 222 fi 223 MAKEFLAGS="-m $cwd/share/mk $MAKEFLAGS MKOBJDIRS=${MKOBJDIRS-yes}" 224 export MAKEFLAGS MACHINE MACHINE_ARCH 225 226 # Test make source file timestamps against installed nbmake binary, 227 # if TOOLDIR is pre-set. 228 # 229 # Note that we do NOT try to grovel "mk.conf" here to find out if TOOLDIR 230 # is set there, because it can contain make variable expansions and other 231 # stuff only parseable *after* we have a working nbmake. So this logic 232 # can only work if the user has pre-set TOOLDIR in the environment or 233 # used the -T option to build.sh. 234 # 235 make="${TOOLDIR-nonexistent}/bin/nbmake" 236 if [ -x $make ]; then 237 for f in usr.bin/make/*.[ch] usr.bin/make/lst.lib/*.[ch]; do 238 if [ $f -nt $make ]; then 239 do_rebuildmake=true; break 240 fi 241 done 242 else 243 do_rebuildmake=true 244 fi 245 246 # Build bootstrap nbmake if needed. 247 if $do_rebuildmake; then 248 $runcmd echo "===> Bootstrapping nbmake" 249 tmpdir="${TMPDIR-/tmp}/nbbuild$$" 250 251 $runcmd mkdir "$tmpdir" || bomb "cannot mkdir: $tmpdir" 252 trap "cd /; rm -r -f \"$tmpdir\"" 0 253 trap "exit 1" 1 2 3 15 254 $runcmd cd "$tmpdir" 255 256 $runcmd env CC="${HOST_CC-cc}" CPPFLAGS="${HOST_CPPFLAGS}" CFLAGS="${HOST_CFLAGS--O}" LDFLAGS="${HOST_LDFLAGS}" \ 257 "$cwd/tools/make/configure" || bomb "configure of nbmake failed" 258 $runcmd sh buildmake.sh || bomb "build of nbmake failed" 259 260 make="$tmpdir/nbmake" 261 $runcmd cd "$cwd" 262 $runcmd rm -f usr.bin/make/*.o usr.bin/make/lst.lib/*.o 263 fi 264 265 if [ "$runcmd" = "echo" ]; then 266 USE_NEW_TOOLCHAIN=yes 267 else 268 USE_NEW_TOOLCHAIN=`getmakevar USE_NEW_TOOLCHAIN` 269 fi 270 if [ "${USE_NEW_TOOLCHAIN}" = "" ]; then 271 echo "ERROR: build.sh (new toolchain) is not yet enabled for" 272 echo 273 echo "MACHINE: ${MACHINE}" 274 echo "MACHINE_ARCH: ${MACHINE_ARCH}" 275 echo 276 echo "All builds for this platform should be done via a traditional make" 277 echo 278 echo "If you wish to test using the new toolchain set" 279 echo 280 echo "USE_NEW_TOOLCHAIN=yes" 281 echo 282 echo "in either the environment or mk.conf and rerun" 283 echo 284 echo "$0 $*" 285 exit 1 286 fi 287 288 # If TOOLDIR isn't already set, make objdirs in "tools" in case the 289 # default setting from <bsd.own.mk> is used. 290 if [ -z "$TOOLDIR" ] && [ "$MKOBJDIRS" != "no" ]; then 291 $runcmd cd tools 292 $runcmd $make -m ${TOP}/share/mk obj NOSUBDIR= || exit 1 293 $runcmd cd .. 294 fi 295 296 # 297 # If setting -M or -O to root an obj dir make sure the base directory is made 298 # before continuing as bsd.own.mk will need this to pick up _SRC_TOP_OBJ_ 299 # 300 if [ "$MKOBJDIRS" != "no" ] && [ ! -z "$makeobjdir" ]; then 301 $runcmd mkdir -p "$makeobjdir" 302 fi 303 304 # Find DESTDIR and TOOLDIR. 305 if [ "$runcmd" = "echo" ]; then 306 # shown symbolically with -n because these may come from mk.conf 307 DESTDIR='$DESTDIR' 308 TOOLDIR='$TOOLDIR' 309 else 310 DESTDIR=`getmakevar DESTDIR`; 311 [ $? = 0 ] || bomb "getmakevar DESTDIR failed"; 312 echo "===> DESTDIR path: $DESTDIR" 313 314 TOOLDIR=`getmakevar TOOLDIR`; 315 [ $? = 0 ] || bomb "getmakevar DESTDIR failed"; 316 echo "===> TOOLDIR path: $TOOLDIR" 317 318 export DESTDIR TOOLDIR 319 fi 320 321 # Check validity of TOOLDIR and DESTDIR. 322 if [ -z "$TOOLDIR" ] || [ "$TOOLDIR" = "/" ]; then 323 bomb "TOOLDIR '$TOOLDIR' invalid" 324 fi 325 removedirs="$TOOLDIR" 326 327 if [ -z "$DESTDIR" ] || [ "$DESTDIR" = "/" ]; then 328 if $do_buildsystem && \ 329 ([ "$buildtarget" != "build" ] || \ 330 [ "`uname -s 2>/dev/null`" != "NetBSD" ] || \ 331 [ "`uname -m`" != "$MACHINE" ]); then 332 bomb "DESTDIR must be set to a non-root path for cross builds or -d or -R." 333 elif $do_buildsystem; then 334 echo "===> WARNING: Building to /." 335 echo "===> If your kernel is not up to date, this may cause the system to break!" 336 fi 337 else 338 removedirs="$removedirs $DESTDIR" 339 fi 340 341 # Remove the target directories. 342 if $do_removedirs; then 343 for f in $removedirs; do 344 echo "===> Removing $f" 345 $runcmd rm -r -f $f 346 done 347 fi 348 349 # Recreate $TOOLDIR. 350 $runcmd mkdir -p "$TOOLDIR/bin" || bomb "mkdir of '$TOOLDIR/bin' failed" 351 352 # Install nbmake if it was built. 353 if $do_rebuildmake; then 354 $runcmd rm -f "$TOOLDIR/bin/nbmake" 355 $runcmd cp $make "$TOOLDIR/bin/nbmake" 356 $runcmd rm -r -f "$tmpdir" 357 trap 0 1 2 3 15 358 fi 359 360 # Build a nbmake wrapper script, usable by hand as well as by build.sh. 361 if [ -z "$makewrapper" ]; then 362 makewrapper="$TOOLDIR/bin/nbmake-$MACHINE" 363 if [ ! -z "$BUILDID" ]; then 364 makewrapper="$makewrapper-$BUILDID" 365 fi 366 fi 367 368 $runcmd rm -f "$makewrapper" 369 if [ "$runcmd" = "echo" ]; then 370 echo 'cat <<EOF >'$makewrapper 371 makewrapout= 372 else 373 makewrapout=">>\$makewrapper" 374 fi 375 376 eval cat <<EOF $makewrapout 377 #! /bin/sh 378 # Set proper variables to allow easy "make" building of a NetBSD subtree. 379 # Generated from: \$NetBSD: build.sh,v 1.62 2002/06/10 14:08:05 fredette Exp $ 380 # 381 382 EOF 383 for f in $makeenv; do 384 eval echo "$f=\'\$`echo $f`\'\;\ export\ $f" $makewrapout 385 done 386 eval echo "USETOOLS=yes\; export USETOOLS" $makewrapout 387 388 eval cat <<'EOF' $makewrapout 389 390 exec "$TOOLDIR/bin/nbmake" ${1+"$@"} 391 EOF 392 [ "$runcmd" = "echo" ] && echo EOF 393 $runcmd chmod +x "$makewrapper" 394 395 if $do_buildsystem; then 396 ${runcmd-exec} "$makewrapper" $parallel $buildtarget 397 elif $do_buildonlytools; then 398 if [ "$MKOBJDIRS" != "no" ]; then 399 $runcmd "$makewrapper" $parallel obj-tools || exit 1 400 fi 401 $runcmd cd tools 402 if [ "$UPDATE" = "" ]; then 403 ${runcmd-exec} "$makewrapper" cleandir dependall install 404 else 405 ${runcmd-exec} "$makewrapper" dependall install 406 fi 407 fi 408
Indexes created Tue Sep 30 11:09:46 GMT 2025