build.sh revision 1.46
1 #! /bin/sh 2 # $NetBSD: build.sh,v 1.46 2002/03/01 20:57:26 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 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 getmakevar () { 61 $make -m ${TOP}/share/mk -s -f- _x_ <<EOF 62 _x_: 63 echo \${$1} 64 .include <bsd.prog.mk> 65 EOF 66 } 67 68 # Emulate "mkdir -p" for systems that have an Old "mkdir". 69 mkdirp () { 70 _d= 71 case "$1" in /*) _d=/;; esac 72 73 oifs=$IFS 74 IFS=/; set -- $@; IFS=$oifs 75 76 for _f in "$@"; do 77 if [ -n "$_f" ]; then 78 [ -d "$_d$_f" ] || $runcmd mkdir "$_d$_f" || return 1 79 _d="$_d$_f/" 80 fi 81 done 82 } 83 84 resolvepath () { 85 case $OPTARG in 86 /*) ;; 87 *) OPTARG="$cwd/$OPTARG";; 88 esac 89 } 90 91 usage () { 92 echo "Usage:" 93 echo "$0 [-bdorUu] [-a arch] [-j njob] [-m mach] [-w wrapper]" 94 echo " [-D dest] [-O obj] [-R release] [-T tools]" 95 echo "" 96 echo " -a: set MACHINE_ARCH to arch (otherwise deduced from MACHINE)" 97 echo " -b: build nbmake and nbmake wrapper script, if needed" 98 echo " -D: set DESTDIR to dest" 99 echo " -d: build a full distribution into DESTDIR (including etc files)" 100 echo " -j: set NBUILDJOBS to njob" 101 echo " -m: set MACHINE to mach (not required if NetBSD native)" 102 echo " -n: show commands that would be executed, but do not execute them" 103 echo " -O: set obj root directory to obj (sets a MAKEOBJDIR pattern)" 104 echo " -o: set MKOBJDIRS=no (do not create objdirs at start of build)" 105 echo " -R: build a release (and set RELEASEDIR to release)" 106 echo " -r: remove contents of TOOLDIR and DESTDIR before building" 107 echo " -T: set TOOLDIR to tools" 108 echo " -t: build and install tools only (implies -b)" 109 echo " -U: set UNPRIVED" 110 echo " -u: set UPDATE" 111 echo " -w: create nbmake script at wrapper (default TOOLDIR/bin/nbmake-MACHINE)" 112 echo "" 113 echo "Note: if -T is unset and TOOLDIR is not set in the environment," 114 echo " nbmake will be [re]built unconditionally." 115 exit 1 116 } 117 118 # Set defaults. 119 MAKEFLAGS= 120 buildtarget=build 121 cwd=`pwd` 122 do_buildsystem=true 123 do_buildonlytools=false 124 do_rebuildmake=false 125 do_removedirs=false 126 makeenv= 127 makewrapper= 128 opt_a=no 129 opts='a:bdhj:m:nortuw:D:O:R:T:U' 130 runcmd= 131 132 if type getopts >/dev/null 2>&1; then 133 # Use POSIX getopts. 134 getoptcmd='getopts $opts opt && opt=-$opt' 135 optargcmd=':' 136 else 137 type getopt >/dev/null 2>&1 || bomb "/bin/sh shell is too old; try ksh or bash" 138 139 # Use old-style getopt(1) (doesn't handle whitespace in args). 140 args="`getopt $opts $*`" 141 [ $? = 0 ] || usage 142 set -- $args 143 144 getoptcmd='[ $# -gt 0 ] && opt="$1" && shift' 145 optargcmd='OPTARG="$1"; shift' 146 fi 147 148 # Parse command line options. 149 while eval $getoptcmd; do case $opt in 150 -a) eval $optargcmd 151 MACHINE_ARCH=$OPTARG; opt_a=yes;; 152 153 -b) do_buildsystem=false;; 154 155 -d) buildtarget=distribution;; 156 157 -j) eval $optargcmd 158 MAKEFLAGS="$MAKEFLAGS NBUILDJOBS=$OPTARG"; export MAKEFLAGS;; 159 160 # -m overrides MACHINE_ARCH unless "-a" is specified 161 -m) eval $optargcmd 162 MACHINE=$OPTARG; [ "$opt_a" != "yes" ] && getarch;; 163 164 -n) runcmd=echo;; 165 166 -o) MKOBJDIRS=no;; 167 168 -r) do_removedirs=true; do_rebuildmake=true;; 169 170 -t) do_buildonlytools=true; do_buildsystem=false;; 171 172 -U) UNPRIVED=yes; export UNPRIVED 173 makeenv="$makeenv UNPRIVED";; 174 175 -u) UPDATE=yes; export UPDATE 176 makeenv="$makeenv UPDATE";; 177 178 -w) eval $optargcmd; resolvepath 179 makewrapper="$OPTARG";; 180 181 -D) eval $optargcmd; resolvepath 182 DESTDIR="$OPTARG"; export DESTDIR 183 makeenv="$makeenv DESTDIR";; 184 185 -O) eval $optargcmd; resolvepath 186 MAKEOBJDIR="\${.CURDIR:C,^$cwd,$OPTARG,}"; export MAKEOBJDIR 187 makeobjdir=$OPTARG 188 makeenv="$makeenv MAKEOBJDIR";; 189 190 -R) eval $optargcmd; resolvepath 191 RELEASEDIR=$OPTARG; export RELEASEDIR 192 makeenv="$makeenv RELEASEDIR" 193 buildtarget=release;; 194 195 -T) eval $optargcmd; resolvepath 196 TOOLDIR="$OPTARG"; export TOOLDIR;; 197 198 --) break;; 199 -'?'|-h) usage;; 200 esac; done 201 202 # Set up MACHINE*. On a NetBSD host, these are allowed to be unset. 203 if [ -z "$MACHINE" ]; then 204 if [ "`uname -s 2>/dev/null`" != "NetBSD" ]; then 205 echo "MACHINE must be set, or -m must be used, for cross builds." 206 echo ""; usage 207 fi 208 MACHINE=`uname -m` 209 fi 210 [ -n "$MACHINE_ARCH" ] || getarch 211 212 # Set up default make(1) environment. 213 makeenv="$makeenv TOOLDIR MACHINE MACHINE_ARCH MAKEFLAGS" 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 $runcmd rm -f usr.bin/make/*.o usr.bin/make/lst.lib/*.o 254 fi 255 256 USE_NEW_TOOLCHAIN=`getmakevar USE_NEW_TOOLCHAIN` 257 if [ "${USE_NEW_TOOLCHAIN}" = "" ]; then 258 echo "ERROR: build.sh (new toolchain) is not yet enabled for" 259 echo 260 echo "MACHINE: ${MACHINE}" 261 echo "MACHINE_ARCH: ${MACHINE_ARCH}" 262 echo 263 echo "All builds for this platform should be done via a traditional make" 264 echo 265 echo "If you wish to test using the new toolchain set" 266 echo 267 echo "USE_NEW_TOOLCHAIN=yes" 268 echo 269 echo "in either the environment or mk.conf and rerun" 270 echo 271 echo "$0 $*" 272 exit 1 273 fi 274 275 # If TOOLDIR isn't already set, make objdirs in "tools" in case the 276 # default setting from <bsd.own.mk> is used. 277 if [ -z "$TOOLDIR" ] && [ "$MKOBJDIRS" != "no" ]; then 278 $runcmd cd tools 279 $runcmd $make -m ${TOP}/share/mk obj NOSUBDIR= || exit 1 280 $runcmd cd .. 281 fi 282 283 # 284 # If setting -O to root an obj dir make sure the base directory is made 285 # before continuing as bsd.own.mk will need this to pick up _SRC_TOP_OBJ_ 286 # 287 if [ "$MKOBJDIRS" != "no" ] && [ ! -z "$makeobjdir" ]; then 288 $runcmd mkdirp $makeobjdir 289 fi 290 291 # Find DESTDIR and TOOLDIR. 292 if [ "$runcmd" = "echo" ]; then 293 # shown symbolically with -n because these may come from mk.conf 294 DESTDIR='$DESTDIR' 295 TOOLDIR='$TOOLDIR' 296 else 297 DESTDIR=`getmakevar DESTDIR`; echo "===> DESTDIR path: $DESTDIR" 298 TOOLDIR=`getmakevar TOOLDIR`; echo "===> TOOLDIR path: $TOOLDIR" 299 export DESTDIR TOOLDIR 300 fi 301 302 # Check validity of TOOLDIR and DESTDIR. 303 if [ -z "$TOOLDIR" ] || [ "$TOOLDIR" = "/" ]; then 304 bomb "TOOLDIR '$TOOLDIR' invalid" 305 fi 306 removedirs="$TOOLDIR" 307 308 if [ -z "$DESTDIR" ] || [ "$DESTDIR" = "/" ]; then 309 if $do_buildsystem && \ 310 ([ "$buildtarget" != "build" ] || \ 311 [ "`uname -s 2>/dev/null`" != "NetBSD" ] || \ 312 [ "`uname -m`" != "$MACHINE" ]); then 313 bomb "DESTDIR must be set to a non-root path for cross builds or -d or -R." 314 elif $do_buildsystem; then 315 echo "===> WARNING: Building to /." 316 echo "===> If your kernel is not up to date, this may cause the system to break!" 317 fi 318 else 319 removedirs="$removedirs $DESTDIR" 320 fi 321 322 # Remove the target directories. 323 if $do_removedirs; then 324 for f in $removedirs; do 325 echo "===> Removing $f" 326 $runcmd rm -r -f $f 327 done 328 fi 329 330 # Recreate $TOOLDIR. 331 mkdirp $TOOLDIR/bin || bomb "mkdir of $TOOLDIR/bin failed" 332 333 # Install nbmake if it was built. 334 if $do_rebuildmake; then 335 $runcmd rm -f $TOOLDIR/bin/nbmake 336 $runcmd cp $make $TOOLDIR/bin/nbmake 337 $runcmd rm -r -f $tmpdir 338 trap 0 1 2 3 15 339 fi 340 341 # Build a nbmake wrapper script, usable by hand as well as by build.sh. 342 if [ -z "$makewrapper" ]; then 343 makewrapper=$TOOLDIR/bin/nbmake-$MACHINE 344 fi 345 346 $runcmd rm -f $makewrapper 347 if [ "$runcmd" = "echo" ]; then 348 echo 'cat <<EOF >'$makewrapper 349 makewrapout= 350 else 351 makewrapout=">>$makewrapper" 352 fi 353 354 eval cat <<EOF $makewrapout 355 #! /bin/sh 356 # Set proper variables to allow easy "make" building of a NetBSD subtree. 357 # Generated from: \$NetBSD: build.sh,v 1.46 2002/03/01 20:57:26 tv Exp $ 358 # 359 360 EOF 361 for f in $makeenv; do 362 eval echo "$f=\'\$`echo $f`\'\;\ export\ $f" $makewrapout 363 done 364 eval echo "USETOOLS=yes\; export USETOOLS" $makewrapout 365 366 eval cat <<EOF $makewrapout 367 368 exec \$TOOLDIR/bin/nbmake \${1+"\$@"} 369 EOF 370 [ "$runcmd" = "echo" ] && echo EOF 371 $runcmd chmod +x $makewrapper 372 373 if $do_buildsystem; then 374 ${runcmd-exec} $makewrapper $buildtarget 375 elif $do_buildonlytools; then 376 if [ "$MKOBJDIRS" != "no" ]; then 377 $runcmd $makewrapper obj-tools || exit 1 378 fi 379 $runcmd cd tools 380 if [ "$UPDATE" = "" ]; then 381 ${runcmd-exec} $makewrapper cleandir dependall install 382 else 383 ${runcmd-exec} $makewrapper dependall install 384 fi 385 fi 386
Indexes created Wed Oct 01 07:09:59 GMT 2025