build.sh revision 1.58
1 #! /bin/sh 2 # $NetBSD: build.sh,v 1.58 2002/05/13 01:44:34 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 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 $MACHINE in 24 acorn26|acorn32|cats|netwinder|shark|*arm) 25 MACHINE_ARCH=arm;; 26 27 sun2) 28 MACHINE_ARCH=m68000;; 29 30 amiga|atari|cesfic|hp300|sun3|*68k) 31 MACHINE_ARCH=m68k;; 32 33 mipsco|newsmips|sbmips|sgimips) 34 MACHINE_ARCH=mipseb;; 35 36 algor|arc|cobalt|evbmips|hpcmips|playstation2|pmax) 37 MACHINE_ARCH=mipsel;; 38 39 pc532) 40 MACHINE_ARCH=ns32k;; 41 42 bebox|mvmeppc|prep|sandpoint|walnut|*ppc) 43 MACHINE_ARCH=powerpc;; 44 45 evbsh3|mmeye) 46 MACHINE_ARCH=sh3eb;; 47 48 dreamcast|hpcsh) 49 MACHINE_ARCH=sh3el;; 50 51 alpha|i386|sparc|sparc64|vax|x86_64) 52 MACHINE_ARCH=$MACHINE;; 53 54 *) bomb "unknown target MACHINE: $MACHINE";; 55 esac 56 } 57 58 validatearch () { 59 # Ensure that the MACHINE_ARCH exists (and is supported by build.sh). 60 case $MACHINE_ARCH in 61 alpha|arm|i386|m68000|m68k|mipse[bl]|powerpc|sh3e[bl]|sparc|sparc64|vax|x86_64) 62 ;; 63 64 *) bomb "unknown target MACHINE_ARCH: $MACHINE_ARCH";; 65 esac 66 } 67 68 getmakevar () { 69 $make -m ${TOP}/share/mk -s -f- _x_ <<EOF 70 _x_: 71 echo \${$1} 72 .include <bsd.prog.mk> 73 EOF 74 } 75 76 resolvepath () { 77 case $OPTARG in 78 /*) ;; 79 *) OPTARG="$cwd/$OPTARG";; 80 esac 81 } 82 83 usage () { 84 echo "Usage:" 85 echo "$0 [-bdorUu] [-a arch] [-B buildid] [-j njob] [-m mach] " 86 echo " [-w wrapper] [-D dest] [-M obj] [-O obj] [-R release] [-T tools]" 87 echo "" 88 echo " -a: set MACHINE_ARCH to arch (otherwise deduced from MACHINE)" 89 echo " -B: set BUILDID to buildid" 90 echo " -b: build nbmake and nbmake wrapper script, if needed" 91 echo " -D: set DESTDIR to dest" 92 echo " -d: build a full distribution into DESTDIR (including etc files)" 93 echo " -j: Run up to njob jobs in parallel; see make(1)" 94 echo " -M: set obj root directory to obj (sets MAKEOBJDIRPREFIX)" 95 echo " -m: set MACHINE to mach (not required if NetBSD native)" 96 echo " -n: show commands that would be executed, but do not execute them" 97 echo " -O: set obj root directory to obj (sets a MAKEOBJDIR pattern)" 98 echo " -o: set MKOBJDIRS=no (do not create objdirs at start of build)" 99 echo " -R: build a release (and set RELEASEDIR to release)" 100 echo " -r: remove contents of TOOLDIR and DESTDIR before building" 101 echo " -T: set TOOLDIR to tools" 102 echo " -t: build and install tools only (implies -b)" 103 echo " -U: set UNPRIVED" 104 echo " -u: set UPDATE" 105 echo " -w: create nbmake script at wrapper (default TOOLDIR/bin/nbmake-MACHINE)" 106 echo "" 107 echo "Note: if -T is unset and TOOLDIR is not set in the environment," 108 echo " nbmake will be [re]built unconditionally." 109 exit 1 110 } 111 112 # Set defaults. 113 MAKEFLAGS= 114 buildtarget=build 115 cwd=`pwd` 116 do_buildsystem=true 117 do_buildonlytools=false 118 do_rebuildmake=false 119 do_removedirs=false 120 makeenv= 121 makewrapper= 122 opt_a=no 123 opts='a:B:bdhj:m:nortuw:D:M:O:R:T:U' 124 runcmd= 125 126 if type getopts >/dev/null 2>&1; then 127 # Use POSIX getopts. 128 getoptcmd='getopts $opts opt && opt=-$opt' 129 optargcmd=':' 130 else 131 type getopt >/dev/null 2>&1 || bomb "/bin/sh shell is too old; try ksh or bash" 132 133 # Use old-style getopt(1) (doesn't handle whitespace in args). 134 args="`getopt $opts $*`" 135 [ $? = 0 ] || usage 136 set -- $args 137 138 getoptcmd='[ $# -gt 0 ] && opt="$1" && shift' 139 optargcmd='OPTARG="$1"; shift' 140 fi 141 142 # Parse command line options. 143 while eval $getoptcmd; do case $opt in 144 -a) eval $optargcmd 145 MACHINE_ARCH=$OPTARG; opt_a=yes;; 146 147 -B) eval $optargcmd 148 BUILDID=$OPTARG;; 149 150 -b) do_buildsystem=false;; 151 152 -d) buildtarget=distribution;; 153 154 -j) eval $optargcmd 155 parallel="-j $OPTARG";; 156 157 # -m overrides MACHINE_ARCH unless "-a" is specified 158 -m) eval $optargcmd 159 MACHINE=$OPTARG; [ "$opt_a" != "yes" ] && getarch;; 160 161 -n) runcmd=echo;; 162 163 -o) MKOBJDIRS=no;; 164 165 -r) do_removedirs=true; do_rebuildmake=true;; 166 167 -t) do_buildonlytools=true; do_buildsystem=false;; 168 169 -U) UNPRIVED=yes; export UNPRIVED 170 makeenv="$makeenv UNPRIVED";; 171 172 -u) UPDATE=yes; export UPDATE 173 makeenv="$makeenv UPDATE";; 174 175 -w) eval $optargcmd; resolvepath 176 makewrapper="$OPTARG";; 177 178 -D) eval $optargcmd; resolvepath 179 DESTDIR="$OPTARG"; export DESTDIR 180 makeenv="$makeenv DESTDIR";; 181 182 -M) eval $optargcmd; resolvepath 183 MAKEOBJDIRPREFIX="$OPTARG"; export MAKEOBJDIRPREFIX 184 makeobjdir=$OPTARG 185 makeenv="$makeenv MAKEOBJDIRPREFIX";; 186 187 -O) eval $optargcmd; resolvepath 188 MAKEOBJDIR="\${.CURDIR:C,^$cwd,$OPTARG,}"; export MAKEOBJDIR 189 makeobjdir=$OPTARG 190 makeenv="$makeenv MAKEOBJDIR";; 191 192 -R) eval $optargcmd; resolvepath 193 RELEASEDIR=$OPTARG; export RELEASEDIR 194 makeenv="$makeenv RELEASEDIR" 195 buildtarget=release;; 196 197 -T) eval $optargcmd; resolvepath 198 TOOLDIR="$OPTARG"; export TOOLDIR;; 199 200 --) break;; 201 -'?'|-h) usage;; 202 esac; done 203 204 # Set up MACHINE*. On a NetBSD host, these are allowed to be unset. 205 if [ -z "$MACHINE" ]; then 206 if [ "`uname -s 2>/dev/null`" != "NetBSD" ]; then 207 echo "MACHINE must be set, or -m must be used, for cross builds." 208 echo ""; usage 209 fi 210 MACHINE=`uname -m` 211 fi 212 [ -n "$MACHINE_ARCH" ] || getarch 213 validatearch 214 215 # Set up default make(1) environment. 216 makeenv="$makeenv TOOLDIR MACHINE MACHINE_ARCH MAKEFLAGS" 217 if [ ! -z "$BUILDID" ]; then 218 makeenv="$makeenv BUILDID" 219 fi 220 MAKEFLAGS="-m $cwd/share/mk $MAKEFLAGS MKOBJDIRS=${MKOBJDIRS-yes}" 221 export MAKEFLAGS MACHINE MACHINE_ARCH 222 223 # Test make source file timestamps against installed nbmake binary, 224 # if TOOLDIR is pre-set. 225 # 226 # Note that we do NOT try to grovel "mk.conf" here to find out if TOOLDIR 227 # is set there, because it can contain make variable expansions and other 228 # stuff only parseable *after* we have a working nbmake. So this logic 229 # can only work if the user has pre-set TOOLDIR in the environment or 230 # used the -T option to build.sh. 231 # 232 make="${TOOLDIR-nonexistent}/bin/nbmake" 233 if [ -x $make ]; then 234 for f in usr.bin/make/*.[ch] usr.bin/make/lst.lib/*.[ch]; do 235 if [ $f -nt $make ]; then 236 do_rebuildmake=true; break 237 fi 238 done 239 else 240 do_rebuildmake=true 241 fi 242 243 # Build bootstrap nbmake if needed. 244 if $do_rebuildmake; then 245 $runcmd echo "===> Bootstrapping nbmake" 246 tmpdir="${TMPDIR-/tmp}/nbbuild$$" 247 248 $runcmd mkdir "$tmpdir" || bomb "cannot mkdir: $tmpdir" 249 trap "cd /; rm -r -f \"$tmpdir\"" 0 250 trap "exit 1" 1 2 3 15 251 $runcmd cd "$tmpdir" 252 253 $runcmd env CC="${HOST_CC-cc}" CPPFLAGS="${HOST_CPPFLAGS}" CFLAGS="${HOST_CFLAGS--O}" LDFLAGS="${HOST_LDFLAGS}" \ 254 "$cwd/tools/make/configure" || bomb "configure of nbmake failed" 255 $runcmd sh buildmake.sh || bomb "build of nbmake failed" 256 257 make="$tmpdir/nbmake" 258 $runcmd cd "$cwd" 259 $runcmd rm -f usr.bin/make/*.o usr.bin/make/lst.lib/*.o 260 fi 261 262 if [ "$runcmd" = "echo" ]; then 263 USE_NEW_TOOLCHAIN=yes 264 else 265 USE_NEW_TOOLCHAIN=`getmakevar USE_NEW_TOOLCHAIN` 266 fi 267 if [ "${USE_NEW_TOOLCHAIN}" = "" ]; then 268 echo "ERROR: build.sh (new toolchain) is not yet enabled for" 269 echo 270 echo "MACHINE: ${MACHINE}" 271 echo "MACHINE_ARCH: ${MACHINE_ARCH}" 272 echo 273 echo "All builds for this platform should be done via a traditional make" 274 echo 275 echo "If you wish to test using the new toolchain set" 276 echo 277 echo "USE_NEW_TOOLCHAIN=yes" 278 echo 279 echo "in either the environment or mk.conf and rerun" 280 echo 281 echo "$0 $*" 282 exit 1 283 fi 284 285 # If TOOLDIR isn't already set, make objdirs in "tools" in case the 286 # default setting from <bsd.own.mk> is used. 287 if [ -z "$TOOLDIR" ] && [ "$MKOBJDIRS" != "no" ]; then 288 $runcmd cd tools 289 $runcmd $make -m ${TOP}/share/mk obj NOSUBDIR= || exit 1 290 $runcmd cd .. 291 fi 292 293 # 294 # If setting -M or -O to root an obj dir make sure the base directory is made 295 # before continuing as bsd.own.mk will need this to pick up _SRC_TOP_OBJ_ 296 # 297 if [ "$MKOBJDIRS" != "no" ] && [ ! -z "$makeobjdir" ]; then 298 $runcmd mkdir -p "$makeobjdir" 299 fi 300 301 # Find DESTDIR and TOOLDIR. 302 if [ "$runcmd" = "echo" ]; then 303 # shown symbolically with -n because these may come from mk.conf 304 DESTDIR='$DESTDIR' 305 TOOLDIR='$TOOLDIR' 306 else 307 DESTDIR=`getmakevar DESTDIR`; 308 [ $? = 0 ] || bomb "getmakevar DESTDIR failed"; 309 echo "===> DESTDIR path: $DESTDIR" 310 311 TOOLDIR=`getmakevar TOOLDIR`; 312 [ $? = 0 ] || bomb "getmakevar DESTDIR failed"; 313 echo "===> TOOLDIR path: $TOOLDIR" 314 315 export DESTDIR TOOLDIR 316 fi 317 318 # Check validity of TOOLDIR and DESTDIR. 319 if [ -z "$TOOLDIR" ] || [ "$TOOLDIR" = "/" ]; then 320 bomb "TOOLDIR '$TOOLDIR' invalid" 321 fi 322 removedirs="$TOOLDIR" 323 324 if [ -z "$DESTDIR" ] || [ "$DESTDIR" = "/" ]; then 325 if $do_buildsystem && \ 326 ([ "$buildtarget" != "build" ] || \ 327 [ "`uname -s 2>/dev/null`" != "NetBSD" ] || \ 328 [ "`uname -m`" != "$MACHINE" ]); then 329 bomb "DESTDIR must be set to a non-root path for cross builds or -d or -R." 330 elif $do_buildsystem; then 331 echo "===> WARNING: Building to /." 332 echo "===> If your kernel is not up to date, this may cause the system to break!" 333 fi 334 else 335 removedirs="$removedirs $DESTDIR" 336 fi 337 338 # Remove the target directories. 339 if $do_removedirs; then 340 for f in $removedirs; do 341 echo "===> Removing $f" 342 $runcmd rm -r -f $f 343 done 344 fi 345 346 # Recreate $TOOLDIR. 347 $runcmd mkdir -p "$TOOLDIR/bin" || bomb "mkdir of '$TOOLDIR/bin' failed" 348 349 # Install nbmake if it was built. 350 if $do_rebuildmake; then 351 $runcmd rm -f "$TOOLDIR/bin/nbmake" 352 $runcmd cp $make "$TOOLDIR/bin/nbmake" 353 $runcmd rm -r -f "$tmpdir" 354 trap 0 1 2 3 15 355 fi 356 357 # Build a nbmake wrapper script, usable by hand as well as by build.sh. 358 if [ -z "$makewrapper" ]; then 359 makewrapper="$TOOLDIR/bin/nbmake-$MACHINE" 360 if [ ! -z "$BUILDID" ]; then 361 makewrapper="$makewrapper-$BUILDID" 362 fi 363 fi 364 365 $runcmd rm -f "$makewrapper" 366 if [ "$runcmd" = "echo" ]; then 367 echo 'cat <<EOF >'$makewrapper 368 makewrapout= 369 else 370 makewrapout=">>\$makewrapper" 371 fi 372 373 eval cat <<EOF $makewrapout 374 #! /bin/sh 375 # Set proper variables to allow easy "make" building of a NetBSD subtree. 376 # Generated from: \$NetBSD: build.sh,v 1.58 2002/05/13 01:44:34 lukem Exp $ 377 # 378 379 EOF 380 for f in $makeenv; do 381 eval echo "$f=\'\$`echo $f`\'\;\ export\ $f" $makewrapout 382 done 383 eval echo "USETOOLS=yes\; export USETOOLS" $makewrapout 384 385 eval cat <<'EOF' $makewrapout 386 387 exec "$TOOLDIR/bin/nbmake" ${1+"$@"} 388 EOF 389 [ "$runcmd" = "echo" ] && echo EOF 390 $runcmd chmod +x "$makewrapper" 391 392 if $do_buildsystem; then 393 ${runcmd-exec} "$makewrapper" $parallel $buildtarget 394 elif $do_buildonlytools; then 395 if [ "$MKOBJDIRS" != "no" ]; then 396 $runcmd "$makewrapper" $parallel obj-tools || exit 1 397 fi 398 $runcmd cd tools 399 if [ "$UPDATE" = "" ]; then 400 ${runcmd-exec} "$makewrapper" cleandir dependall install 401 else 402 ${runcmd-exec} "$makewrapper" dependall install 403 fi 404 fi 405
Indexes created Thu Oct 02 07:10:07 GMT 2025