build.sh revision 1.56
1 #! /bin/sh 2 # $NetBSD: build.sh,v 1.56 2002/04/18 01:38:11 tv 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] [-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: set NBUILDJOBS to njob" 94 echo " -m: set MACHINE to mach (not required if NetBSD native)" 95 echo " -n: show commands that would be executed, but do not execute them" 96 echo " -O: set obj root directory to obj (sets a MAKEOBJDIR pattern)" 97 echo " -o: set MKOBJDIRS=no (do not create objdirs at start of build)" 98 echo " -R: build a release (and set RELEASEDIR to release)" 99 echo " -r: remove contents of TOOLDIR and DESTDIR before building" 100 echo " -T: set TOOLDIR to tools" 101 echo " -t: build and install tools only (implies -b)" 102 echo " -U: set UNPRIVED" 103 echo " -u: set UPDATE" 104 echo " -w: create nbmake script at wrapper (default TOOLDIR/bin/nbmake-MACHINE)" 105 echo "" 106 echo "Note: if -T is unset and TOOLDIR is not set in the environment," 107 echo " nbmake will be [re]built unconditionally." 108 exit 1 109 } 110 111 # Set defaults. 112 MAKEFLAGS= 113 buildtarget=build 114 cwd=`pwd` 115 do_buildsystem=true 116 do_buildonlytools=false 117 do_rebuildmake=false 118 do_removedirs=false 119 makeenv= 120 makewrapper= 121 opt_a=no 122 opts='a:B:bdhj:m:nortuw:D:O:R:T:U' 123 runcmd= 124 125 if type getopts >/dev/null 2>&1; then 126 # Use POSIX getopts. 127 getoptcmd='getopts $opts opt && opt=-$opt' 128 optargcmd=':' 129 else 130 type getopt >/dev/null 2>&1 || bomb "/bin/sh shell is too old; try ksh or bash" 131 132 # Use old-style getopt(1) (doesn't handle whitespace in args). 133 args="`getopt $opts $*`" 134 [ $? = 0 ] || usage 135 set -- $args 136 137 getoptcmd='[ $# -gt 0 ] && opt="$1" && shift' 138 optargcmd='OPTARG="$1"; shift' 139 fi 140 141 # Parse command line options. 142 while eval $getoptcmd; do case $opt in 143 -a) eval $optargcmd 144 MACHINE_ARCH=$OPTARG; opt_a=yes;; 145 146 -B) eval $optargcmd 147 BUILDID=$OPTARG;; 148 149 -b) do_buildsystem=false;; 150 151 -d) buildtarget=distribution;; 152 153 -j) eval $optargcmd 154 MAKEFLAGS="$MAKEFLAGS NBUILDJOBS=$OPTARG"; export MAKEFLAGS;; 155 156 # -m overrides MACHINE_ARCH unless "-a" is specified 157 -m) eval $optargcmd 158 MACHINE=$OPTARG; [ "$opt_a" != "yes" ] && getarch;; 159 160 -n) runcmd=echo;; 161 162 -o) MKOBJDIRS=no;; 163 164 -r) do_removedirs=true; do_rebuildmake=true;; 165 166 -t) do_buildonlytools=true; do_buildsystem=false;; 167 168 -U) UNPRIVED=yes; export UNPRIVED 169 makeenv="$makeenv UNPRIVED";; 170 171 -u) UPDATE=yes; export UPDATE 172 makeenv="$makeenv UPDATE";; 173 174 -w) eval $optargcmd; resolvepath 175 makewrapper="$OPTARG";; 176 177 -D) eval $optargcmd; resolvepath 178 DESTDIR="$OPTARG"; export DESTDIR 179 makeenv="$makeenv DESTDIR";; 180 181 -O) eval $optargcmd; resolvepath 182 MAKEOBJDIR="\${.CURDIR:C,^$cwd,$OPTARG,}"; export MAKEOBJDIR 183 makeobjdir=$OPTARG 184 makeenv="$makeenv MAKEOBJDIR";; 185 186 -R) eval $optargcmd; resolvepath 187 RELEASEDIR=$OPTARG; export RELEASEDIR 188 makeenv="$makeenv RELEASEDIR" 189 buildtarget=release;; 190 191 -T) eval $optargcmd; resolvepath 192 TOOLDIR="$OPTARG"; export TOOLDIR;; 193 194 --) break;; 195 -'?'|-h) usage;; 196 esac; done 197 198 # Set up MACHINE*. On a NetBSD host, these are allowed to be unset. 199 if [ -z "$MACHINE" ]; then 200 if [ "`uname -s 2>/dev/null`" != "NetBSD" ]; then 201 echo "MACHINE must be set, or -m must be used, for cross builds." 202 echo ""; usage 203 fi 204 MACHINE=`uname -m` 205 fi 206 [ -n "$MACHINE_ARCH" ] || getarch 207 validatearch 208 209 # Set up default make(1) environment. 210 makeenv="$makeenv TOOLDIR MACHINE MACHINE_ARCH MAKEFLAGS" 211 if [ ! -z "$BUILDID" ]; then 212 makeenv="$makeenv BUILDID" 213 fi 214 MAKEFLAGS="-m $cwd/share/mk $MAKEFLAGS MKOBJDIRS=${MKOBJDIRS-yes}" 215 export MAKEFLAGS MACHINE MACHINE_ARCH 216 217 # Test make source file timestamps against installed nbmake binary, 218 # if TOOLDIR is pre-set. 219 # 220 # Note that we do NOT try to grovel "mk.conf" here to find out if TOOLDIR 221 # is set there, because it can contain make variable expansions and other 222 # stuff only parseable *after* we have a working nbmake. So this logic 223 # can only work if the user has pre-set TOOLDIR in the environment or 224 # used the -T option to build.sh. 225 # 226 make="${TOOLDIR-nonexistent}/bin/nbmake" 227 if [ -x $make ]; then 228 for f in usr.bin/make/*.[ch] usr.bin/make/lst.lib/*.[ch]; do 229 if [ $f -nt $make ]; then 230 do_rebuildmake=true; break 231 fi 232 done 233 else 234 do_rebuildmake=true 235 fi 236 237 # Build bootstrap nbmake if needed. 238 if $do_rebuildmake; then 239 $runcmd echo "===> Bootstrapping nbmake" 240 tmpdir="${TMPDIR-/tmp}/nbbuild$$" 241 242 $runcmd mkdir "$tmpdir" || bomb "cannot mkdir: $tmpdir" 243 trap "cd /; rm -r -f \"$tmpdir\"" 0 244 trap "exit 1" 1 2 3 15 245 $runcmd cd "$tmpdir" 246 247 $runcmd env CC="${HOST_CC-cc}" CPPFLAGS="${HOST_CPPFLAGS}" CFLAGS="${HOST_CFLAGS--O}" LDFLAGS="${HOST_LDFLAGS}" \ 248 "$cwd/tools/make/configure" || bomb "configure of nbmake failed" 249 $runcmd sh buildmake.sh || bomb "build of nbmake failed" 250 251 make="$tmpdir/nbmake" 252 $runcmd cd "$cwd" 253 $runcmd rm -f usr.bin/make/*.o usr.bin/make/lst.lib/*.o 254 fi 255 256 if [ "$runcmd" = "echo" ]; then 257 USE_NEW_TOOLCHAIN=yes 258 else 259 USE_NEW_TOOLCHAIN=`getmakevar USE_NEW_TOOLCHAIN` 260 fi 261 if [ "${USE_NEW_TOOLCHAIN}" = "" ]; then 262 echo "ERROR: build.sh (new toolchain) is not yet enabled for" 263 echo 264 echo "MACHINE: ${MACHINE}" 265 echo "MACHINE_ARCH: ${MACHINE_ARCH}" 266 echo 267 echo "All builds for this platform should be done via a traditional make" 268 echo 269 echo "If you wish to test using the new toolchain set" 270 echo 271 echo "USE_NEW_TOOLCHAIN=yes" 272 echo 273 echo "in either the environment or mk.conf and rerun" 274 echo 275 echo "$0 $*" 276 exit 1 277 fi 278 279 # If TOOLDIR isn't already set, make objdirs in "tools" in case the 280 # default setting from <bsd.own.mk> is used. 281 if [ -z "$TOOLDIR" ] && [ "$MKOBJDIRS" != "no" ]; then 282 $runcmd cd tools 283 $runcmd $make -m ${TOP}/share/mk obj NOSUBDIR= || exit 1 284 $runcmd cd .. 285 fi 286 287 # 288 # If setting -O to root an obj dir make sure the base directory is made 289 # before continuing as bsd.own.mk will need this to pick up _SRC_TOP_OBJ_ 290 # 291 if [ "$MKOBJDIRS" != "no" ] && [ ! -z "$makeobjdir" ]; then 292 $runcmd mkdir -p "$makeobjdir" 293 fi 294 295 # Find DESTDIR and TOOLDIR. 296 if [ "$runcmd" = "echo" ]; then 297 # shown symbolically with -n because these may come from mk.conf 298 DESTDIR='$DESTDIR' 299 TOOLDIR='$TOOLDIR' 300 else 301 DESTDIR=`getmakevar DESTDIR`; 302 [ $? = 0 ] || bomb "getmakevar DESTDIR failed"; 303 echo "===> DESTDIR path: $DESTDIR" 304 305 TOOLDIR=`getmakevar TOOLDIR`; 306 [ $? = 0 ] || bomb "getmakevar DESTDIR failed"; 307 echo "===> TOOLDIR path: $TOOLDIR" 308 309 export DESTDIR TOOLDIR 310 fi 311 312 # Check validity of TOOLDIR and DESTDIR. 313 if [ -z "$TOOLDIR" ] || [ "$TOOLDIR" = "/" ]; then 314 bomb "TOOLDIR '$TOOLDIR' invalid" 315 fi 316 removedirs="$TOOLDIR" 317 318 if [ -z "$DESTDIR" ] || [ "$DESTDIR" = "/" ]; then 319 if $do_buildsystem && \ 320 ([ "$buildtarget" != "build" ] || \ 321 [ "`uname -s 2>/dev/null`" != "NetBSD" ] || \ 322 [ "`uname -m`" != "$MACHINE" ]); then 323 bomb "DESTDIR must be set to a non-root path for cross builds or -d or -R." 324 elif $do_buildsystem; then 325 echo "===> WARNING: Building to /." 326 echo "===> If your kernel is not up to date, this may cause the system to break!" 327 fi 328 else 329 removedirs="$removedirs $DESTDIR" 330 fi 331 332 # Remove the target directories. 333 if $do_removedirs; then 334 for f in $removedirs; do 335 echo "===> Removing $f" 336 $runcmd rm -r -f $f 337 done 338 fi 339 340 # Recreate $TOOLDIR. 341 $runcmd mkdir -p "$TOOLDIR/bin" || bomb "mkdir of '$TOOLDIR/bin' failed" 342 343 # Install nbmake if it was built. 344 if $do_rebuildmake; then 345 $runcmd rm -f "$TOOLDIR/bin/nbmake" 346 $runcmd cp $make "$TOOLDIR/bin/nbmake" 347 $runcmd rm -r -f "$tmpdir" 348 trap 0 1 2 3 15 349 fi 350 351 # Build a nbmake wrapper script, usable by hand as well as by build.sh. 352 if [ -z "$makewrapper" ]; then 353 makewrapper="$TOOLDIR/bin/nbmake-$MACHINE" 354 if [ ! -z "$BUILDID" ]; then 355 makewrapper="$makewrapper-$BUILDID" 356 fi 357 fi 358 359 $runcmd rm -f "$makewrapper" 360 if [ "$runcmd" = "echo" ]; then 361 echo 'cat <<EOF >'$makewrapper 362 makewrapout= 363 else 364 makewrapout=">>\$makewrapper" 365 fi 366 367 eval cat <<EOF $makewrapout 368 #! /bin/sh 369 # Set proper variables to allow easy "make" building of a NetBSD subtree. 370 # Generated from: \$NetBSD: build.sh,v 1.56 2002/04/18 01:38:11 tv Exp $ 371 # 372 373 EOF 374 for f in $makeenv; do 375 eval echo "$f=\'\$`echo $f`\'\;\ export\ $f" $makewrapout 376 done 377 eval echo "USETOOLS=yes\; export USETOOLS" $makewrapout 378 379 eval cat <<'EOF' $makewrapout 380 381 exec "$TOOLDIR/bin/nbmake" ${1+"$@"} 382 EOF 383 [ "$runcmd" = "echo" ] && echo EOF 384 $runcmd chmod +x "$makewrapper" 385 386 if $do_buildsystem; then 387 ${runcmd-exec} "$makewrapper" $buildtarget 388 elif $do_buildonlytools; then 389 if [ "$MKOBJDIRS" != "no" ]; then 390 $runcmd "$makewrapper" obj-tools || exit 1 391 fi 392 $runcmd cd tools 393 if [ "$UPDATE" = "" ]; then 394 ${runcmd-exec} "$makewrapper" cleandir dependall install 395 else 396 ${runcmd-exec} "$makewrapper" dependall install 397 fi 398 fi 399
Indexes created Wed Oct 01 13:09:50 GMT 2025