build.sh revision 1.55
1#! /bin/sh 2# $NetBSD: build.sh,v 1.55 2002/04/02 16:34:49 thorpej 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 10bomb () { 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 18TOP=`pwd` 19 20getarch () { 21 # Translate a MACHINE into a default MACHINE_ARCH. 22 case $MACHINE in 23 acorn26|acorn32|cats|netwinder|shark|*arm) 24 MACHINE_ARCH=arm;; 25 26 sun2) 27 MACHINE_ARCH=m68000;; 28 29 amiga|atari|cesfic|hp300|sun3|*68k) 30 MACHINE_ARCH=m68k;; 31 32 mipsco|newsmips|sbmips|sgimips) 33 MACHINE_ARCH=mipseb;; 34 35 algor|arc|cobalt|evbmips|hpcmips|playstation2|pmax) 36 MACHINE_ARCH=mipsel;; 37 38 pc532) 39 MACHINE_ARCH=ns32k;; 40 41 bebox|mvmeppc|prep|sandpoint|walnut|*ppc) 42 MACHINE_ARCH=powerpc;; 43 44 evbsh3|mmeye) 45 MACHINE_ARCH=sh3eb;; 46 47 dreamcast|hpcsh) 48 MACHINE_ARCH=sh3el;; 49 50 alpha|i386|sparc|sparc64|vax|x86_64) 51 MACHINE_ARCH=$MACHINE;; 52 53 *) bomb "unknown target MACHINE: $MACHINE";; 54 esac 55} 56 57validatearch () { 58 # Ensure that the MACHINE_ARCH exists (and is supported by build.sh). 59 case $MACHINE_ARCH in 60 alpha|arm|i386|m68000|m68k|mipse[bl]|powerpc|sh3e[bl]|sparc|sparc64|vax|x86_64) 61 ;; 62 63 *) bomb "unknown target MACHINE_ARCH: $MACHINE_ARCH";; 64 esac 65} 66 67getmakevar () { 68 $make -m ${TOP}/share/mk -s -f- _x_ <<EOF 69_x_: 70 echo \${$1} 71.include <bsd.prog.mk> 72EOF 73} 74 75resolvepath () { 76 case $OPTARG in 77 /*) ;; 78 *) OPTARG="$cwd/$OPTARG";; 79 esac 80} 81 82usage () { 83 echo "Usage:" 84 echo "$0 [-bdorUu] [-a arch] [-B buildid] [-j njob] [-m mach] " 85 echo " [-w wrapper] [-D dest] [-O obj] [-R release] [-T tools]" 86 echo "" 87 echo " -a: set MACHINE_ARCH to arch (otherwise deduced from MACHINE)" 88 echo " -B: set BUILDID to buildid" 89 echo " -b: build nbmake and nbmake wrapper script, if needed" 90 echo " -D: set DESTDIR to dest" 91 echo " -d: build a full distribution into DESTDIR (including etc files)" 92 echo " -j: set NBUILDJOBS to njob" 93 echo " -m: set MACHINE to mach (not required if NetBSD native)" 94 echo " -n: show commands that would be executed, but do not execute them" 95 echo " -O: set obj root directory to obj (sets a MAKEOBJDIR pattern)" 96 echo " -o: set MKOBJDIRS=no (do not create objdirs at start of build)" 97 echo " -R: build a release (and set RELEASEDIR to release)" 98 echo " -r: remove contents of TOOLDIR and DESTDIR before building" 99 echo " -T: set TOOLDIR to tools" 100 echo " -t: build and install tools only (implies -b)" 101 echo " -U: set UNPRIVED" 102 echo " -u: set UPDATE" 103 echo " -w: create nbmake script at wrapper (default TOOLDIR/bin/nbmake-MACHINE)" 104 echo "" 105 echo "Note: if -T is unset and TOOLDIR is not set in the environment," 106 echo " nbmake will be [re]built unconditionally." 107 exit 1 108} 109 110# Set defaults. 111MAKEFLAGS= 112buildtarget=build 113cwd=`pwd` 114do_buildsystem=true 115do_buildonlytools=false 116do_rebuildmake=false 117do_removedirs=false 118makeenv= 119makewrapper= 120opt_a=no 121opts='a:B:bdhj:m:nortuw:D:O:R:T:U' 122runcmd= 123 124if type getopts >/dev/null 2>&1; then 125 # Use POSIX getopts. 126 getoptcmd='getopts $opts opt && opt=-$opt' 127 optargcmd=':' 128else 129 type getopt >/dev/null 2>&1 || bomb "/bin/sh shell is too old; try ksh or bash" 130 131 # Use old-style getopt(1) (doesn't handle whitespace in args). 132 args="`getopt $opts $*`" 133 [ $? = 0 ] || usage 134 set -- $args 135 136 getoptcmd='[ $# -gt 0 ] && opt="$1" && shift' 137 optargcmd='OPTARG="$1"; shift' 138fi 139 140# Parse command line options. 141while eval $getoptcmd; do case $opt in 142 -a) eval $optargcmd 143 MACHINE_ARCH=$OPTARG; opt_a=yes;; 144 145 -B) eval $optargcmd 146 BUILDID=$OPTARG;; 147 148 -b) do_buildsystem=false;; 149 150 -d) buildtarget=distribution;; 151 152 -j) eval $optargcmd 153 MAKEFLAGS="$MAKEFLAGS NBUILDJOBS=$OPTARG"; export MAKEFLAGS;; 154 155 # -m overrides MACHINE_ARCH unless "-a" is specified 156 -m) eval $optargcmd 157 MACHINE=$OPTARG; [ "$opt_a" != "yes" ] && getarch;; 158 159 -n) runcmd=echo;; 160 161 -o) MKOBJDIRS=no;; 162 163 -r) do_removedirs=true; do_rebuildmake=true;; 164 165 -t) do_buildonlytools=true; do_buildsystem=false;; 166 167 -U) UNPRIVED=yes; export UNPRIVED 168 makeenv="$makeenv UNPRIVED";; 169 170 -u) UPDATE=yes; export UPDATE 171 makeenv="$makeenv UPDATE";; 172 173 -w) eval $optargcmd; resolvepath 174 makewrapper="$OPTARG";; 175 176 -D) eval $optargcmd; resolvepath 177 DESTDIR="$OPTARG"; export DESTDIR 178 makeenv="$makeenv DESTDIR";; 179 180 -O) eval $optargcmd; resolvepath 181 MAKEOBJDIR="\${.CURDIR:C,^$cwd,$OPTARG,}"; export MAKEOBJDIR 182 makeobjdir=$OPTARG 183 makeenv="$makeenv MAKEOBJDIR";; 184 185 -R) eval $optargcmd; resolvepath 186 RELEASEDIR=$OPTARG; export RELEASEDIR 187 makeenv="$makeenv RELEASEDIR" 188 buildtarget=release;; 189 190 -T) eval $optargcmd; resolvepath 191 TOOLDIR="$OPTARG"; export TOOLDIR;; 192 193 --) break;; 194 -'?'|-h) usage;; 195esac; done 196 197# Set up MACHINE*. On a NetBSD host, these are allowed to be unset. 198if [ -z "$MACHINE" ]; then 199 if [ "`uname -s 2>/dev/null`" != "NetBSD" ]; then 200 echo "MACHINE must be set, or -m must be used, for cross builds." 201 echo ""; usage 202 fi 203 MACHINE=`uname -m` 204fi 205[ -n "$MACHINE_ARCH" ] || getarch 206validatearch 207 208# Set up default make(1) environment. 209makeenv="$makeenv TOOLDIR MACHINE MACHINE_ARCH MAKEFLAGS" 210if [ ! -z "$BUILDID" ]; then 211 makeenv="$makeenv BUILDID" 212fi 213MAKEFLAGS="-m $cwd/share/mk $MAKEFLAGS MKOBJDIRS=${MKOBJDIRS-yes}" 214export MAKEFLAGS MACHINE MACHINE_ARCH 215 216# Test make source file timestamps against installed nbmake binary, 217# if TOOLDIR is pre-set. 218# 219# Note that we do NOT try to grovel "mk.conf" here to find out if TOOLDIR 220# is set there, because it can contain make variable expansions and other 221# stuff only parseable *after* we have a working nbmake. So this logic 222# can only work if the user has pre-set TOOLDIR in the environment or 223# used the -T option to build.sh. 224# 225make="${TOOLDIR-nonexistent}/bin/nbmake" 226if [ -x $make ]; then 227 for f in usr.bin/make/*.[ch] usr.bin/make/lst.lib/*.[ch]; do 228 if [ $f -nt $make ]; then 229 do_rebuildmake=true; break 230 fi 231 done 232else 233 do_rebuildmake=true 234fi 235 236# Build bootstrap nbmake if needed. 237if $do_rebuildmake; then 238 $runcmd echo "===> Bootstrapping nbmake" 239 tmpdir="${TMPDIR-/tmp}/nbbuild$$" 240 241 $runcmd mkdir "$tmpdir" || bomb "cannot mkdir: $tmpdir" 242 trap "cd /; rm -r -f \"$tmpdir\"" 0 243 trap "exit 1" 1 2 3 15 244 $runcmd cd "$tmpdir" 245 246 $runcmd env CC="${HOST_CC-cc}" CPPFLAGS="${HOST_CPPFLAGS}" CFLAGS="${HOST_CFLAGS--O}" LDFLAGS="${HOST_LDFLAGS}" \ 247 "$cwd/tools/make/configure" || bomb "configure of nbmake failed" 248 $runcmd sh buildmake.sh || bomb "build of nbmake failed" 249 250 make="$tmpdir/nbmake" 251 $runcmd cd "$cwd" 252 $runcmd rm -f usr.bin/make/*.o usr.bin/make/lst.lib/*.o 253fi 254 255if [ "$runcmd" = "echo" ]; then 256 USE_NEW_TOOLCHAIN=yes 257else 258 USE_NEW_TOOLCHAIN=`getmakevar USE_NEW_TOOLCHAIN` 259fi 260if [ "${USE_NEW_TOOLCHAIN}" = "" ]; then 261 echo "ERROR: build.sh (new toolchain) is not yet enabled for" 262 echo 263 echo "MACHINE: ${MACHINE}" 264 echo "MACHINE_ARCH: ${MACHINE_ARCH}" 265 echo 266 echo "All builds for this platform should be done via a traditional make" 267 echo 268 echo "If you wish to test using the new toolchain set" 269 echo 270 echo "USE_NEW_TOOLCHAIN=yes" 271 echo 272 echo "in either the environment or mk.conf and rerun" 273 echo 274 echo "$0 $*" 275 exit 1 276fi 277 278# If TOOLDIR isn't already set, make objdirs in "tools" in case the 279# default setting from <bsd.own.mk> is used. 280if [ -z "$TOOLDIR" ] && [ "$MKOBJDIRS" != "no" ]; then 281 $runcmd cd tools 282 $runcmd $make -m ${TOP}/share/mk obj NOSUBDIR= || exit 1 283 $runcmd cd .. 284fi 285 286# 287# If setting -O to root an obj dir make sure the base directory is made 288# before continuing as bsd.own.mk will need this to pick up _SRC_TOP_OBJ_ 289# 290if [ "$MKOBJDIRS" != "no" ] && [ ! -z "$makeobjdir" ]; then 291 $runcmd mkdir -p "$makeobjdir" 292fi 293 294# Find DESTDIR and TOOLDIR. 295if [ "$runcmd" = "echo" ]; then 296 # shown symbolically with -n because these may come from mk.conf 297 DESTDIR='$DESTDIR' 298 TOOLDIR='$TOOLDIR' 299else 300 DESTDIR=`getmakevar DESTDIR`; 301 [ $? = 0 ] || bomb "getmakevar DESTDIR failed"; 302 echo "===> DESTDIR path: $DESTDIR" 303 304 TOOLDIR=`getmakevar TOOLDIR`; 305 [ $? = 0 ] || bomb "getmakevar DESTDIR failed"; 306 echo "===> TOOLDIR path: $TOOLDIR" 307 308 export DESTDIR TOOLDIR 309fi 310 311# Check validity of TOOLDIR and DESTDIR. 312if [ -z "$TOOLDIR" ] || [ "$TOOLDIR" = "/" ]; then 313 bomb "TOOLDIR '$TOOLDIR' invalid" 314fi 315removedirs="$TOOLDIR" 316 317if [ -z "$DESTDIR" ] || [ "$DESTDIR" = "/" ]; then 318 if $do_buildsystem && \ 319 ([ "$buildtarget" != "build" ] || \ 320 [ "`uname -s 2>/dev/null`" != "NetBSD" ] || \ 321 [ "`uname -m`" != "$MACHINE" ]); then 322 bomb "DESTDIR must be set to a non-root path for cross builds or -d or -R." 323 elif $do_buildsystem; then 324 echo "===> WARNING: Building to /." 325 echo "===> If your kernel is not up to date, this may cause the system to break!" 326 fi 327else 328 removedirs="$removedirs $DESTDIR" 329fi 330 331# Remove the target directories. 332if $do_removedirs; then 333 for f in $removedirs; do 334 echo "===> Removing $f" 335 $runcmd rm -r -f $f 336 done 337fi 338 339# Recreate $TOOLDIR. 340$runcmd mkdir -p "$TOOLDIR/bin" || bomb "mkdir of '$TOOLDIR/bin' failed" 341 342# Install nbmake if it was built. 343if $do_rebuildmake; then 344 $runcmd rm -f "$TOOLDIR/bin/nbmake" 345 $runcmd cp $make "$TOOLDIR/bin/nbmake" 346 $runcmd rm -r -f "$tmpdir" 347 trap 0 1 2 3 15 348fi 349 350# Build a nbmake wrapper script, usable by hand as well as by build.sh. 351if [ -z "$makewrapper" ]; then 352 makewrapper="$TOOLDIR/bin/nbmake-$MACHINE" 353 if [ ! -z "$BUILDID" ]; then 354 makewrapper="$makewrapper-$BUILDID" 355 fi 356fi 357 358$runcmd rm -f "$makewrapper" 359if [ "$runcmd" = "echo" ]; then 360 echo 'cat <<EOF >'$makewrapper 361 makewrapout= 362else 363 makewrapout=">>\$makewrapper" 364fi 365 366eval cat <<EOF $makewrapout 367#! /bin/sh 368# Set proper variables to allow easy "make" building of a NetBSD subtree. 369# Generated from: \$NetBSD: build.sh,v 1.55 2002/04/02 16:34:49 thorpej Exp $ 370# 371 372EOF 373for f in $makeenv; do 374 eval echo "$f=\'\$`echo $f`\'\;\ export\ $f" $makewrapout 375done 376eval echo "USETOOLS=yes\; export USETOOLS" $makewrapout 377 378eval cat <<'EOF' $makewrapout 379 380exec "$TOOLDIR/bin/nbmake" ${1+"$@"} 381EOF 382[ "$runcmd" = "echo" ] && echo EOF 383$runcmd chmod +x "$makewrapper" 384 385if $do_buildsystem; then 386 ${runcmd-exec} "$makewrapper" $buildtarget 387elif $do_buildonlytools; then 388 if [ "$MKOBJDIRS" != "no" ]; then 389 $runcmd "$makewrapper" obj-tools || exit 1 390 fi 391 $runcmd cd tools 392 if [ "$UPDATE" = "" ]; then 393 ${runcmd-exec} "$makewrapper" cleandir dependall install 394 else 395 ${runcmd-exec} "$makewrapper" dependall install 396 fi 397fi 398