build.sh revision 1.53
1 #! /bin/sh 2 # $NetBSD: build.sh,v 1.53 2002/03/21 10:54:50 pk 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 $MACHINE in 23 arm26|evbarm|hpcarm|netwinder) 24 MACHINE_ARCH=arm;; 25 26 acorn32|cats|shark) 27 MACHINE_ARCH=arm32;; 28 29 sun2) 30 MACHINE_ARCH=m68000;; 31 32 amiga|atari|cesfic|hp300|sun3|*68k) 33 MACHINE_ARCH=m68k;; 34 35 mipsco|newsmips|sbmips|sgimips) 36 MACHINE_ARCH=mipseb;; 37 38 algor|arc|cobalt|evbmips|hpcmips|playstation2|pmax) 39 MACHINE_ARCH=mipsel;; 40 41 pc532) 42 MACHINE_ARCH=ns32k;; 43 44 bebox|mvmeppc|prep|sandpoint|walnut|*ppc) 45 MACHINE_ARCH=powerpc;; 46 47 evbsh3|mmeye) 48 MACHINE_ARCH=sh3eb;; 49 50 dreamcast|hpcsh) 51 MACHINE_ARCH=sh3el;; 52 53 alpha|i386|sparc|sparc64|vax|x86_64) 54 MACHINE_ARCH=$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 resolvepath () { 79 case $OPTARG in 80 /*) ;; 81 *) OPTARG="$cwd/$OPTARG";; 82 esac 83 } 84 85 usage () { 86 echo "Usage:" 87 echo "$0 [-bdorUu] [-a arch] [-B buildid] [-j njob] [-m mach] " 88 echo " [-w wrapper] [-D dest] [-O obj] [-R release] [-T tools]" 89 echo "" 90 echo " -a: set MACHINE_ARCH to arch (otherwise deduced from MACHINE)" 91 echo " -B: set BUILDID to buildid" 92 echo " -b: build nbmake and nbmake wrapper script, if needed" 93 echo " -D: set DESTDIR to dest" 94 echo " -d: build a full distribution into DESTDIR (including etc files)" 95 echo " -j: set NBUILDJOBS to njob" 96 echo " -m: set MACHINE to mach (not required if NetBSD native)" 97 echo " -n: show commands that would be executed, but do not execute them" 98 echo " -O: set obj root directory to obj (sets a MAKEOBJDIR pattern)" 99 echo " -o: set MKOBJDIRS=no (do not create objdirs at start of build)" 100 echo " -R: build a release (and set RELEASEDIR to release)" 101 echo " -r: remove contents of TOOLDIR and DESTDIR before building" 102 echo " -T: set TOOLDIR to tools" 103 echo " -t: build and install tools only (implies -b)" 104 echo " -U: set UNPRIVED" 105 echo " -u: set UPDATE" 106 echo " -w: create nbmake script at wrapper (default TOOLDIR/bin/nbmake-MACHINE)" 107 echo "" 108 echo "Note: if -T is unset and TOOLDIR is not set in the environment," 109 echo " nbmake will be [re]built unconditionally." 110 exit 1 111 } 112 113 # Set defaults. 114 MAKEFLAGS= 115 buildtarget=build 116 cwd=`pwd` 117 do_buildsystem=true 118 do_buildonlytools=false 119 do_rebuildmake=false 120 do_removedirs=false 121 makeenv= 122 makewrapper= 123 opt_a=no 124 opts='a:B:bdhj:m:nortuw:D:O:R:T:U' 125 runcmd= 126 127 if type getopts >/dev/null 2>&1; then 128 # Use POSIX getopts. 129 getoptcmd='getopts $opts opt && opt=-$opt' 130 optargcmd=':' 131 else 132 type getopt >/dev/null 2>&1 || bomb "/bin/sh shell is too old; try ksh or bash" 133 134 # Use old-style getopt(1) (doesn't handle whitespace in args). 135 args="`getopt $opts $*`" 136 [ $? = 0 ] || usage 137 set -- $args 138 139 getoptcmd='[ $# -gt 0 ] && opt="$1" && shift' 140 optargcmd='OPTARG="$1"; shift' 141 fi 142 143 # Parse command line options. 144 while eval $getoptcmd; do case $opt in 145 -a) eval $optargcmd 146 MACHINE_ARCH=$OPTARG; opt_a=yes;; 147 148 -B) eval $optargcmd 149 BUILDID=$OPTARG;; 150 151 -b) do_buildsystem=false;; 152 153 -d) buildtarget=distribution;; 154 155 -j) eval $optargcmd 156 MAKEFLAGS="$MAKEFLAGS NBUILDJOBS=$OPTARG"; export MAKEFLAGS;; 157 158 # -m overrides MACHINE_ARCH unless "-a" is specified 159 -m) eval $optargcmd 160 MACHINE=$OPTARG; [ "$opt_a" != "yes" ] && getarch;; 161 162 -n) runcmd=echo;; 163 164 -o) MKOBJDIRS=no;; 165 166 -r) do_removedirs=true; do_rebuildmake=true;; 167 168 -t) do_buildonlytools=true; do_buildsystem=false;; 169 170 -U) UNPRIVED=yes; export UNPRIVED 171 makeenv="$makeenv UNPRIVED";; 172 173 -u) UPDATE=yes; export UPDATE 174 makeenv="$makeenv UPDATE";; 175 176 -w) eval $optargcmd; resolvepath 177 makewrapper="$OPTARG";; 178 179 -D) eval $optargcmd; resolvepath 180 DESTDIR="$OPTARG"; export DESTDIR 181 makeenv="$makeenv DESTDIR";; 182 183 -O) eval $optargcmd; resolvepath 184 MAKEOBJDIR="\${.CURDIR:C,^$cwd,$OPTARG,}"; export MAKEOBJDIR 185 makeobjdir=$OPTARG 186 makeenv="$makeenv MAKEOBJDIR";; 187 188 -R) eval $optargcmd; resolvepath 189 RELEASEDIR=$OPTARG; export RELEASEDIR 190 makeenv="$makeenv RELEASEDIR" 191 buildtarget=release;; 192 193 -T) eval $optargcmd; resolvepath 194 TOOLDIR="$OPTARG"; export TOOLDIR;; 195 196 --) break;; 197 -'?'|-h) usage;; 198 esac; done 199 200 # Set up MACHINE*. On a NetBSD host, these are allowed to be unset. 201 if [ -z "$MACHINE" ]; then 202 if [ "`uname -s 2>/dev/null`" != "NetBSD" ]; then 203 echo "MACHINE must be set, or -m must be used, for cross builds." 204 echo ""; usage 205 fi 206 MACHINE=`uname -m` 207 fi 208 [ -n "$MACHINE_ARCH" ] || getarch 209 validatearch 210 211 # Set up default make(1) environment. 212 makeenv="$makeenv TOOLDIR MACHINE MACHINE_ARCH MAKEFLAGS" 213 if [ ! -z "$BUILDID" ]; then 214 makeenv="$makeenv BUILDID" 215 fi 216 MAKEFLAGS="-m $cwd/share/mk $MAKEFLAGS MKOBJDIRS=${MKOBJDIRS-yes}" 217 export MAKEFLAGS MACHINE MACHINE_ARCH 218 219 # Test make source file timestamps against installed nbmake binary, 220 # if TOOLDIR is pre-set. 221 # 222 # Note that we do NOT try to grovel "mk.conf" here to find out if TOOLDIR 223 # is set there, because it can contain make variable expansions and other 224 # stuff only parseable *after* we have a working nbmake. So this logic 225 # can only work if the user has pre-set TOOLDIR in the environment or 226 # used the -T option to build.sh. 227 # 228 make="${TOOLDIR-nonexistent}/bin/nbmake" 229 if [ -x $make ]; then 230 for f in usr.bin/make/*.[ch] usr.bin/make/lst.lib/*.[ch]; do 231 if [ $f -nt $make ]; then 232 do_rebuildmake=true; break 233 fi 234 done 235 else 236 do_rebuildmake=true 237 fi 238 239 # Build bootstrap nbmake if needed. 240 if $do_rebuildmake; then 241 $runcmd echo "===> Bootstrapping nbmake" 242 tmpdir="${TMPDIR-/tmp}/nbbuild$$" 243 244 $runcmd mkdir "$tmpdir" || bomb "cannot mkdir: $tmpdir" 245 trap "cd /; rm -r -f \"$tmpdir\"" 0 246 trap "exit 1" 1 2 3 15 247 $runcmd cd "$tmpdir" 248 249 $runcmd env CC="${HOST_CC-cc}" CPPFLAGS="${HOST_CPPFLAGS}" CFLAGS="${HOST_CFLAGS--O}" LDFLAGS="${HOST_LDFLAGS}" \ 250 "$cwd/tools/make/configure" || bomb "configure of nbmake failed" 251 $runcmd sh buildmake.sh || bomb "build of nbmake failed" 252 253 make="$tmpdir/nbmake" 254 $runcmd cd "$cwd" 255 $runcmd rm -f usr.bin/make/*.o usr.bin/make/lst.lib/*.o 256 fi 257 258 if [ "$runcmd" = "echo" ]; then 259 USE_NEW_TOOLCHAIN=yes 260 else 261 USE_NEW_TOOLCHAIN=`getmakevar USE_NEW_TOOLCHAIN` 262 fi 263 if [ "${USE_NEW_TOOLCHAIN}" = "" ]; then 264 echo "ERROR: build.sh (new toolchain) is not yet enabled for" 265 echo 266 echo "MACHINE: ${MACHINE}" 267 echo "MACHINE_ARCH: ${MACHINE_ARCH}" 268 echo 269 echo "All builds for this platform should be done via a traditional make" 270 echo 271 echo "If you wish to test using the new toolchain set" 272 echo 273 echo "USE_NEW_TOOLCHAIN=yes" 274 echo 275 echo "in either the environment or mk.conf and rerun" 276 echo 277 echo "$0 $*" 278 exit 1 279 fi 280 281 # If TOOLDIR isn't already set, make objdirs in "tools" in case the 282 # default setting from <bsd.own.mk> is used. 283 if [ -z "$TOOLDIR" ] && [ "$MKOBJDIRS" != "no" ]; then 284 $runcmd cd tools 285 $runcmd $make -m ${TOP}/share/mk obj NOSUBDIR= || exit 1 286 $runcmd cd .. 287 fi 288 289 # 290 # If setting -O to root an obj dir make sure the base directory is made 291 # before continuing as bsd.own.mk will need this to pick up _SRC_TOP_OBJ_ 292 # 293 if [ "$MKOBJDIRS" != "no" ] && [ ! -z "$makeobjdir" ]; then 294 $runcmd mkdir -p "$makeobjdir" 295 fi 296 297 # Find DESTDIR and TOOLDIR. 298 if [ "$runcmd" = "echo" ]; then 299 # shown symbolically with -n because these may come from mk.conf 300 DESTDIR='$DESTDIR' 301 TOOLDIR='$TOOLDIR' 302 else 303 DESTDIR=`getmakevar DESTDIR`; 304 [ $? = 0 ] || bomb "getmakevar DESTDIR failed"; 305 echo "===> DESTDIR path: $DESTDIR" 306 307 TOOLDIR=`getmakevar TOOLDIR`; 308 [ $? = 0 ] || bomb "getmakevar DESTDIR failed"; 309 echo "===> TOOLDIR path: $TOOLDIR" 310 311 export DESTDIR TOOLDIR 312 fi 313 314 # Check validity of TOOLDIR and DESTDIR. 315 if [ -z "$TOOLDIR" ] || [ "$TOOLDIR" = "/" ]; then 316 bomb "TOOLDIR '$TOOLDIR' invalid" 317 fi 318 removedirs="$TOOLDIR" 319 320 if [ -z "$DESTDIR" ] || [ "$DESTDIR" = "/" ]; then 321 if $do_buildsystem && \ 322 ([ "$buildtarget" != "build" ] || \ 323 [ "`uname -s 2>/dev/null`" != "NetBSD" ] || \ 324 [ "`uname -m`" != "$MACHINE" ]); then 325 bomb "DESTDIR must be set to a non-root path for cross builds or -d or -R." 326 elif $do_buildsystem; then 327 echo "===> WARNING: Building to /." 328 echo "===> If your kernel is not up to date, this may cause the system to break!" 329 fi 330 else 331 removedirs="$removedirs $DESTDIR" 332 fi 333 334 # Remove the target directories. 335 if $do_removedirs; then 336 for f in $removedirs; do 337 echo "===> Removing $f" 338 $runcmd rm -r -f $f 339 done 340 fi 341 342 # Recreate $TOOLDIR. 343 $runcmd mkdir -p "$TOOLDIR/bin" || bomb "mkdir of '$TOOLDIR/bin' failed" 344 345 # Install nbmake if it was built. 346 if $do_rebuildmake; then 347 $runcmd rm -f "$TOOLDIR/bin/nbmake" 348 $runcmd cp $make "$TOOLDIR/bin/nbmake" 349 $runcmd rm -r -f "$tmpdir" 350 trap 0 1 2 3 15 351 fi 352 353 # Build a nbmake wrapper script, usable by hand as well as by build.sh. 354 if [ -z "$makewrapper" ]; then 355 makewrapper="$TOOLDIR/bin/nbmake-$MACHINE" 356 if [ ! -z "$BUILDID" ]; then 357 makewrapper="$makewrapper-$BUILDID" 358 fi 359 fi 360 361 $runcmd rm -f "$makewrapper" 362 if [ "$runcmd" = "echo" ]; then 363 echo 'cat <<EOF >'$makewrapper 364 makewrapout= 365 else 366 makewrapout=">>\$makewrapper" 367 fi 368 369 eval cat <<EOF $makewrapout 370 #! /bin/sh 371 # Set proper variables to allow easy "make" building of a NetBSD subtree. 372 # Generated from: \$NetBSD: build.sh,v 1.53 2002/03/21 10:54:50 pk Exp $ 373 # 374 375 EOF 376 for f in $makeenv; do 377 eval echo "$f=\'\$`echo $f`\'\;\ export\ $f" $makewrapout 378 done 379 eval echo "USETOOLS=yes\; export USETOOLS" $makewrapout 380 381 eval cat <<'EOF' $makewrapout 382 383 exec "$TOOLDIR/bin/nbmake" ${1+"$@"} 384 EOF 385 [ "$runcmd" = "echo" ] && echo EOF 386 $runcmd chmod +x "$makewrapper" 387 388 if $do_buildsystem; then 389 ${runcmd-exec} "$makewrapper" $buildtarget 390 elif $do_buildonlytools; then 391 if [ "$MKOBJDIRS" != "no" ]; then 392 $runcmd "$makewrapper" obj-tools || exit 1 393 fi 394 $runcmd cd tools 395 if [ "$UPDATE" = "" ]; then 396 ${runcmd-exec} "$makewrapper" cleandir dependall install 397 else 398 ${runcmd-exec} "$makewrapper" dependall install 399 fi 400 fi 401
Indexes created Thu Oct 02 01:09:59 GMT 2025