build.sh revision 1.48
1 #! /bin/sh 2 # $NetBSD: build.sh,v 1.48 2002/03/02 02:09:18 mjl 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 18 TOP=`pwd` 19 20 getarch () { 21 # Translate a MACHINE into a default MACHINE_ARCH. 22 case $MACHINE in 23 arm26|evbarm|hpcarm|netwinder) 24 MACHINE_ARCH=arm;; 25 26 acorn32|cats|shark) 27 MACHINE_ARCH=arm32;; 28 29 sun2) 30 MACHINE_ARCH=m68000;; 31 32 amiga|atari|cesfic|hp300|sun3|*68k) 33 MACHINE_ARCH=m68k;; 34 35 mipsco|newsmips|sgimips) 36 MACHINE_ARCH=mipseb;; 37 38 algor|arc|cobalt|hpcmips|playstation2|pmax) 39 MACHINE_ARCH=mipsel;; 40 41 pc532) 42 MACHINE_ARCH=ns32k;; 43 44 bebox|mvmeppc|prep|sandpoint|walnut|*ppc) 45 MACHINE_ARCH=powerpc;; 46 47 evbsh3|mmeye) 48 MACHINE_ARCH=sh3eb;; 49 50 dreamcast|hpcsh) 51 MACHINE_ARCH=sh3el;; 52 53 alpha|i386|sparc|sparc64|vax|x86_64) 54 MACHINE_ARCH=$MACHINE;; 55 56 *) bomb "unknown target MACHINE: $MACHINE";; 57 esac 58 } 59 60 validatearch () { 61 # Ensure that the MACHINE_ARCH exists (and is supported by build.sh). 62 case $MACHINE_ARCH in 63 alpha|arm|i386|m68000|m68k|mipse[bl]|powerpc|sh3e[bl]|sparc|sparc64|vax|x86_64) 64 ;; 65 66 *) bomb "unknown target MACHINE_ARCH: $MACHINE_ARCH";; 67 esac 68 } 69 70 getmakevar () { 71 $make -m ${TOP}/share/mk -s -f- _x_ <<EOF 72 _x_: 73 echo \${$1} 74 .include <bsd.prog.mk> 75 EOF 76 } 77 78 # Emulate "mkdir -p" for systems that have an Old "mkdir". 79 mkdirp () { 80 _d= 81 case "$1" in /*) _d=/;; esac 82 83 oifs=$IFS 84 IFS=/; set -- $@; IFS=$oifs 85 86 for _f in "$@"; do 87 if [ -n "$_f" ]; then 88 [ -d "$_d$_f" ] || $runcmd mkdir "$_d$_f" || return 1 89 _d="$_d$_f/" 90 fi 91 done 92 } 93 94 resolvepath () { 95 case $OPTARG in 96 /*) ;; 97 *) OPTARG="$cwd/$OPTARG";; 98 esac 99 } 100 101 usage () { 102 echo "Usage:" 103 echo "$0 [-bdorUu] [-a arch] [-j njob] [-m mach] [-w wrapper]" 104 echo " [-D dest] [-O obj] [-R release] [-T tools]" 105 echo "" 106 echo " -a: set MACHINE_ARCH to arch (otherwise deduced from MACHINE)" 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: set NBUILDJOBS to njob" 111 echo " -m: set MACHINE to mach (not required if NetBSD native)" 112 echo " -n: show commands that would be executed, but do not execute them" 113 echo " -O: set obj root directory to obj (sets a MAKEOBJDIR pattern)" 114 echo " -o: set MKOBJDIRS=no (do not create objdirs at start of build)" 115 echo " -R: build a release (and set RELEASEDIR to release)" 116 echo " -r: remove contents of TOOLDIR and DESTDIR before building" 117 echo " -T: set TOOLDIR to tools" 118 echo " -t: build and install tools only (implies -b)" 119 echo " -U: set UNPRIVED" 120 echo " -u: set UPDATE" 121 echo " -w: create nbmake script at wrapper (default TOOLDIR/bin/nbmake-MACHINE)" 122 echo "" 123 echo "Note: if -T is unset and TOOLDIR is not set in the environment," 124 echo " nbmake will be [re]built unconditionally." 125 exit 1 126 } 127 128 # Set defaults. 129 MAKEFLAGS= 130 buildtarget=build 131 cwd=`pwd` 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:bdhj:m:nortuw:D: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) do_buildsystem=false;; 164 165 -d) buildtarget=distribution;; 166 167 -j) eval $optargcmd 168 MAKEFLAGS="$MAKEFLAGS NBUILDJOBS=$OPTARG"; export MAKEFLAGS;; 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 -O) eval $optargcmd; resolvepath 196 MAKEOBJDIR="\${.CURDIR:C,^$cwd,$OPTARG,}"; export MAKEOBJDIR 197 makeobjdir=$OPTARG 198 makeenv="$makeenv MAKEOBJDIR";; 199 200 -R) eval $optargcmd; resolvepath 201 RELEASEDIR=$OPTARG; export RELEASEDIR 202 makeenv="$makeenv RELEASEDIR" 203 buildtarget=release;; 204 205 -T) eval $optargcmd; resolvepath 206 TOOLDIR="$OPTARG"; export TOOLDIR;; 207 208 --) break;; 209 -'?'|-h) usage;; 210 esac; done 211 212 # Set up MACHINE*. On a NetBSD host, these are allowed to be unset. 213 if [ -z "$MACHINE" ]; then 214 if [ "`uname -s 2>/dev/null`" != "NetBSD" ]; then 215 echo "MACHINE must be set, or -m must be used, for cross builds." 216 echo ""; usage 217 fi 218 MACHINE=`uname -m` 219 fi 220 [ -n "$MACHINE_ARCH" ] || getarch 221 validatearch 222 223 # Set up default make(1) environment. 224 makeenv="$makeenv TOOLDIR MACHINE MACHINE_ARCH MAKEFLAGS" 225 MAKEFLAGS="-m $cwd/share/mk $MAKEFLAGS MKOBJDIRS=${MKOBJDIRS-yes}" 226 export MAKEFLAGS MACHINE MACHINE_ARCH 227 228 # Test make source file timestamps against installed nbmake binary, 229 # if TOOLDIR is pre-set. 230 # 231 # Note that we do NOT try to grovel "mk.conf" here to find out if TOOLDIR 232 # is set there, because it can contain make variable expansions and other 233 # stuff only parseable *after* we have a working nbmake. So this logic 234 # can only work if the user has pre-set TOOLDIR in the environment or 235 # used the -T option to build.sh. 236 # 237 make=${TOOLDIR-nonexistent}/bin/nbmake 238 if [ -x $make ]; then 239 for f in usr.bin/make/*.[ch] usr.bin/make/lst.lib/*.[ch]; do 240 if [ $f -nt $make ]; then 241 do_rebuildmake=true; break 242 fi 243 done 244 else 245 do_rebuildmake=true 246 fi 247 248 # Build bootstrap nbmake if needed. 249 if $do_rebuildmake; then 250 $runcmd echo "===> Bootstrapping nbmake" 251 tmpdir=${TMPDIR-/tmp}/nbbuild$$ 252 253 $runcmd mkdir $tmpdir || bomb "cannot mkdir: $tmpdir" 254 trap "cd /; rm -r -f $tmpdir" 0 255 trap "exit 1" 1 2 3 15 256 $runcmd cd $tmpdir 257 258 $runcmd env CC="${HOST_CC-cc}" CPPFLAGS="${HOST_CPPFLAGS}" CFLAGS="${HOST_CFLAGS--O}" LDFLAGS="${HOST_LDFLAGS}" \ 259 $cwd/tools/make/configure || bomb "configure of nbmake failed" 260 $runcmd sh buildmake.sh || bomb "build of nbmake failed" 261 262 make=$tmpdir/nbmake 263 $runcmd cd $cwd 264 $runcmd rm -f usr.bin/make/*.o usr.bin/make/lst.lib/*.o 265 fi 266 267 USE_NEW_TOOLCHAIN=`getmakevar USE_NEW_TOOLCHAIN` 268 if [ "${USE_NEW_TOOLCHAIN}" = "" ]; then 269 echo "ERROR: build.sh (new toolchain) is not yet enabled for" 270 echo 271 echo "MACHINE: ${MACHINE}" 272 echo "MACHINE_ARCH: ${MACHINE_ARCH}" 273 echo 274 echo "All builds for this platform should be done via a traditional make" 275 echo 276 echo "If you wish to test using the new toolchain set" 277 echo 278 echo "USE_NEW_TOOLCHAIN=yes" 279 echo 280 echo "in either the environment or mk.conf and rerun" 281 echo 282 echo "$0 $*" 283 exit 1 284 fi 285 286 # If TOOLDIR isn't already set, make objdirs in "tools" in case the 287 # default setting from <bsd.own.mk> is used. 288 if [ -z "$TOOLDIR" ] && [ "$MKOBJDIRS" != "no" ]; then 289 $runcmd cd tools 290 $runcmd $make -m ${TOP}/share/mk obj NOSUBDIR= || exit 1 291 $runcmd cd .. 292 fi 293 294 # 295 # If setting -O to root an obj dir make sure the base directory is made 296 # before continuing as bsd.own.mk will need this to pick up _SRC_TOP_OBJ_ 297 # 298 if [ "$MKOBJDIRS" != "no" ] && [ ! -z "$makeobjdir" ]; then 299 $runcmd mkdirp $makeobjdir 300 fi 301 302 # Find DESTDIR and TOOLDIR. 303 if [ "$runcmd" = "echo" ]; then 304 # shown symbolically with -n because these may come from mk.conf 305 DESTDIR='$DESTDIR' 306 TOOLDIR='$TOOLDIR' 307 else 308 DESTDIR=`getmakevar DESTDIR`; echo "===> DESTDIR path: $DESTDIR" 309 TOOLDIR=`getmakevar TOOLDIR`; echo "===> TOOLDIR path: $TOOLDIR" 310 export DESTDIR TOOLDIR 311 fi 312 313 # Check validity of TOOLDIR and DESTDIR. 314 if [ -z "$TOOLDIR" ] || [ "$TOOLDIR" = "/" ]; then 315 bomb "TOOLDIR '$TOOLDIR' invalid" 316 fi 317 removedirs="$TOOLDIR" 318 319 if [ -z "$DESTDIR" ] || [ "$DESTDIR" = "/" ]; then 320 if $do_buildsystem && \ 321 ([ "$buildtarget" != "build" ] || \ 322 [ "`uname -s 2>/dev/null`" != "NetBSD" ] || \ 323 [ "`uname -m`" != "$MACHINE" ]); then 324 bomb "DESTDIR must be set to a non-root path for cross builds or -d or -R." 325 elif $do_buildsystem; then 326 echo "===> WARNING: Building to /." 327 echo "===> If your kernel is not up to date, this may cause the system to break!" 328 fi 329 else 330 removedirs="$removedirs $DESTDIR" 331 fi 332 333 # Remove the target directories. 334 if $do_removedirs; then 335 for f in $removedirs; do 336 echo "===> Removing $f" 337 $runcmd rm -r -f $f 338 done 339 fi 340 341 # Recreate $TOOLDIR. 342 mkdirp $TOOLDIR/bin || bomb "mkdir of $TOOLDIR/bin failed" 343 344 # Install nbmake if it was built. 345 if $do_rebuildmake; then 346 $runcmd rm -f $TOOLDIR/bin/nbmake 347 $runcmd cp $make $TOOLDIR/bin/nbmake 348 $runcmd rm -r -f $tmpdir 349 trap 0 1 2 3 15 350 fi 351 352 # Build a nbmake wrapper script, usable by hand as well as by build.sh. 353 if [ -z "$makewrapper" ]; then 354 makewrapper=$TOOLDIR/bin/nbmake-$MACHINE 355 fi 356 357 $runcmd rm -f $makewrapper 358 if [ "$runcmd" = "echo" ]; then 359 echo 'cat <<EOF >'$makewrapper 360 makewrapout= 361 else 362 makewrapout=">>$makewrapper" 363 fi 364 365 eval cat <<EOF $makewrapout 366 #! /bin/sh 367 # Set proper variables to allow easy "make" building of a NetBSD subtree. 368 # Generated from: \$NetBSD: build.sh,v 1.48 2002/03/02 02:09:18 mjl Exp $ 369 # 370 371 EOF 372 for f in $makeenv; do 373 eval echo "$f=\'\$`echo $f`\'\;\ export\ $f" $makewrapout 374 done 375 eval echo "USETOOLS=yes\; export USETOOLS" $makewrapout 376 377 eval cat <<EOF $makewrapout 378 379 exec \$TOOLDIR/bin/nbmake \${1+"\$@"} 380 EOF 381 [ "$runcmd" = "echo" ] && echo EOF 382 $runcmd chmod +x $makewrapper 383 384 if $do_buildsystem; then 385 ${runcmd-exec} $makewrapper $buildtarget 386 elif $do_buildonlytools; then 387 if [ "$MKOBJDIRS" != "no" ]; then 388 $runcmd $makewrapper obj-tools || exit 1 389 fi 390 $runcmd cd tools 391 if [ "$UPDATE" = "" ]; then 392 ${runcmd-exec} $makewrapper cleandir dependall install 393 else 394 ${runcmd-exec} $makewrapper dependall install 395 fi 396 fi 397
Indexes created Thu Oct 02 01:09:59 GMT 2025