build.sh revision 1.51
1 #! /bin/sh 2 # $NetBSD: build.sh,v 1.51 2002/03/07 14:59:04 simonb 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] [-j njob] [-m mach] [-w wrapper]" 88 echo " [-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: build nbmake and nbmake wrapper script, if needed" 92 echo " -D: set DESTDIR to dest" 93 echo " -d: build a full distribution into DESTDIR (including etc files)" 94 echo " -j: set NBUILDJOBS to njob" 95 echo " -m: set MACHINE to mach (not required if NetBSD native)" 96 echo " -n: show commands that would be executed, but do not execute them" 97 echo " -O: set obj root directory to obj (sets a MAKEOBJDIR pattern)" 98 echo " -o: set MKOBJDIRS=no (do not create objdirs at start of build)" 99 echo " -R: build a release (and set RELEASEDIR to release)" 100 echo " -r: remove contents of TOOLDIR and DESTDIR before building" 101 echo " -T: set TOOLDIR to tools" 102 echo " -t: build and install tools only (implies -b)" 103 echo " -U: set UNPRIVED" 104 echo " -u: set UPDATE" 105 echo " -w: create nbmake script at wrapper (default TOOLDIR/bin/nbmake-MACHINE)" 106 echo "" 107 echo "Note: if -T is unset and TOOLDIR is not set in the environment," 108 echo " nbmake will be [re]built unconditionally." 109 exit 1 110 } 111 112 # Set defaults. 113 MAKEFLAGS= 114 buildtarget=build 115 cwd=`pwd` 116 do_buildsystem=true 117 do_buildonlytools=false 118 do_rebuildmake=false 119 do_removedirs=false 120 makeenv= 121 makewrapper= 122 opt_a=no 123 opts='a:bdhj:m:nortuw:D:O:R:T:U' 124 runcmd= 125 126 if type getopts >/dev/null 2>&1; then 127 # Use POSIX getopts. 128 getoptcmd='getopts $opts opt && opt=-$opt' 129 optargcmd=':' 130 else 131 type getopt >/dev/null 2>&1 || bomb "/bin/sh shell is too old; try ksh or bash" 132 133 # Use old-style getopt(1) (doesn't handle whitespace in args). 134 args="`getopt $opts $*`" 135 [ $? = 0 ] || usage 136 set -- $args 137 138 getoptcmd='[ $# -gt 0 ] && opt="$1" && shift' 139 optargcmd='OPTARG="$1"; shift' 140 fi 141 142 # Parse command line options. 143 while eval $getoptcmd; do case $opt in 144 -a) eval $optargcmd 145 MACHINE_ARCH=$OPTARG; opt_a=yes;; 146 147 -b) do_buildsystem=false;; 148 149 -d) buildtarget=distribution;; 150 151 -j) eval $optargcmd 152 MAKEFLAGS="$MAKEFLAGS NBUILDJOBS=$OPTARG"; export MAKEFLAGS;; 153 154 # -m overrides MACHINE_ARCH unless "-a" is specified 155 -m) eval $optargcmd 156 MACHINE=$OPTARG; [ "$opt_a" != "yes" ] && getarch;; 157 158 -n) runcmd=echo;; 159 160 -o) MKOBJDIRS=no;; 161 162 -r) do_removedirs=true; do_rebuildmake=true;; 163 164 -t) do_buildonlytools=true; do_buildsystem=false;; 165 166 -U) UNPRIVED=yes; export UNPRIVED 167 makeenv="$makeenv UNPRIVED";; 168 169 -u) UPDATE=yes; export UPDATE 170 makeenv="$makeenv UPDATE";; 171 172 -w) eval $optargcmd; resolvepath 173 makewrapper="$OPTARG";; 174 175 -D) eval $optargcmd; resolvepath 176 DESTDIR="$OPTARG"; export DESTDIR 177 makeenv="$makeenv DESTDIR";; 178 179 -O) eval $optargcmd; resolvepath 180 MAKEOBJDIR="\${.CURDIR:C,^$cwd,$OPTARG,}"; export MAKEOBJDIR 181 makeobjdir=$OPTARG 182 makeenv="$makeenv MAKEOBJDIR";; 183 184 -R) eval $optargcmd; resolvepath 185 RELEASEDIR=$OPTARG; export RELEASEDIR 186 makeenv="$makeenv RELEASEDIR" 187 buildtarget=release;; 188 189 -T) eval $optargcmd; resolvepath 190 TOOLDIR="$OPTARG"; export TOOLDIR;; 191 192 --) break;; 193 -'?'|-h) usage;; 194 esac; done 195 196 # Set up MACHINE*. On a NetBSD host, these are allowed to be unset. 197 if [ -z "$MACHINE" ]; then 198 if [ "`uname -s 2>/dev/null`" != "NetBSD" ]; then 199 echo "MACHINE must be set, or -m must be used, for cross builds." 200 echo ""; usage 201 fi 202 MACHINE=`uname -m` 203 fi 204 [ -n "$MACHINE_ARCH" ] || getarch 205 validatearch 206 207 # Set up default make(1) environment. 208 makeenv="$makeenv TOOLDIR MACHINE MACHINE_ARCH MAKEFLAGS" 209 MAKEFLAGS="-m $cwd/share/mk $MAKEFLAGS MKOBJDIRS=${MKOBJDIRS-yes}" 210 export MAKEFLAGS MACHINE MACHINE_ARCH 211 212 # Test make source file timestamps against installed nbmake binary, 213 # if TOOLDIR is pre-set. 214 # 215 # Note that we do NOT try to grovel "mk.conf" here to find out if TOOLDIR 216 # is set there, because it can contain make variable expansions and other 217 # stuff only parseable *after* we have a working nbmake. So this logic 218 # can only work if the user has pre-set TOOLDIR in the environment or 219 # used the -T option to build.sh. 220 # 221 make=${TOOLDIR-nonexistent}/bin/nbmake 222 if [ -x $make ]; then 223 for f in usr.bin/make/*.[ch] usr.bin/make/lst.lib/*.[ch]; do 224 if [ $f -nt $make ]; then 225 do_rebuildmake=true; break 226 fi 227 done 228 else 229 do_rebuildmake=true 230 fi 231 232 # Build bootstrap nbmake if needed. 233 if $do_rebuildmake; then 234 $runcmd echo "===> Bootstrapping nbmake" 235 tmpdir=${TMPDIR-/tmp}/nbbuild$$ 236 237 $runcmd mkdir $tmpdir || bomb "cannot mkdir: $tmpdir" 238 trap "cd /; rm -r -f $tmpdir" 0 239 trap "exit 1" 1 2 3 15 240 $runcmd cd $tmpdir 241 242 $runcmd env CC="${HOST_CC-cc}" CPPFLAGS="${HOST_CPPFLAGS}" CFLAGS="${HOST_CFLAGS--O}" LDFLAGS="${HOST_LDFLAGS}" \ 243 $cwd/tools/make/configure || bomb "configure of nbmake failed" 244 $runcmd sh buildmake.sh || bomb "build of nbmake failed" 245 246 make=$tmpdir/nbmake 247 $runcmd cd $cwd 248 $runcmd rm -f usr.bin/make/*.o usr.bin/make/lst.lib/*.o 249 fi 250 251 USE_NEW_TOOLCHAIN=`getmakevar USE_NEW_TOOLCHAIN` 252 if [ "${USE_NEW_TOOLCHAIN}" = "" ]; then 253 echo "ERROR: build.sh (new toolchain) is not yet enabled for" 254 echo 255 echo "MACHINE: ${MACHINE}" 256 echo "MACHINE_ARCH: ${MACHINE_ARCH}" 257 echo 258 echo "All builds for this platform should be done via a traditional make" 259 echo 260 echo "If you wish to test using the new toolchain set" 261 echo 262 echo "USE_NEW_TOOLCHAIN=yes" 263 echo 264 echo "in either the environment or mk.conf and rerun" 265 echo 266 echo "$0 $*" 267 exit 1 268 fi 269 270 # If TOOLDIR isn't already set, make objdirs in "tools" in case the 271 # default setting from <bsd.own.mk> is used. 272 if [ -z "$TOOLDIR" ] && [ "$MKOBJDIRS" != "no" ]; then 273 $runcmd cd tools 274 $runcmd $make -m ${TOP}/share/mk obj NOSUBDIR= || exit 1 275 $runcmd cd .. 276 fi 277 278 # 279 # If setting -O to root an obj dir make sure the base directory is made 280 # before continuing as bsd.own.mk will need this to pick up _SRC_TOP_OBJ_ 281 # 282 if [ "$MKOBJDIRS" != "no" ] && [ ! -z "$makeobjdir" ]; then 283 $runcmd mkdir -p $makeobjdir 284 fi 285 286 # Find DESTDIR and TOOLDIR. 287 if [ "$runcmd" = "echo" ]; then 288 # shown symbolically with -n because these may come from mk.conf 289 DESTDIR='$DESTDIR' 290 TOOLDIR='$TOOLDIR' 291 else 292 DESTDIR=`getmakevar DESTDIR`; echo "===> DESTDIR path: $DESTDIR" 293 TOOLDIR=`getmakevar TOOLDIR`; echo "===> TOOLDIR path: $TOOLDIR" 294 export DESTDIR TOOLDIR 295 fi 296 297 # Check validity of TOOLDIR and DESTDIR. 298 if [ -z "$TOOLDIR" ] || [ "$TOOLDIR" = "/" ]; then 299 bomb "TOOLDIR '$TOOLDIR' invalid" 300 fi 301 removedirs="$TOOLDIR" 302 303 if [ -z "$DESTDIR" ] || [ "$DESTDIR" = "/" ]; then 304 if $do_buildsystem && \ 305 ([ "$buildtarget" != "build" ] || \ 306 [ "`uname -s 2>/dev/null`" != "NetBSD" ] || \ 307 [ "`uname -m`" != "$MACHINE" ]); then 308 bomb "DESTDIR must be set to a non-root path for cross builds or -d or -R." 309 elif $do_buildsystem; then 310 echo "===> WARNING: Building to /." 311 echo "===> If your kernel is not up to date, this may cause the system to break!" 312 fi 313 else 314 removedirs="$removedirs $DESTDIR" 315 fi 316 317 # Remove the target directories. 318 if $do_removedirs; then 319 for f in $removedirs; do 320 echo "===> Removing $f" 321 $runcmd rm -r -f $f 322 done 323 fi 324 325 # Recreate $TOOLDIR. 326 mkdir -p $TOOLDIR/bin || bomb "mkdir of $TOOLDIR/bin failed" 327 328 # Install nbmake if it was built. 329 if $do_rebuildmake; then 330 $runcmd rm -f $TOOLDIR/bin/nbmake 331 $runcmd cp $make $TOOLDIR/bin/nbmake 332 $runcmd rm -r -f $tmpdir 333 trap 0 1 2 3 15 334 fi 335 336 # Build a nbmake wrapper script, usable by hand as well as by build.sh. 337 if [ -z "$makewrapper" ]; then 338 makewrapper=$TOOLDIR/bin/nbmake-$MACHINE 339 fi 340 341 $runcmd rm -f $makewrapper 342 if [ "$runcmd" = "echo" ]; then 343 echo 'cat <<EOF >'$makewrapper 344 makewrapout= 345 else 346 makewrapout=">>$makewrapper" 347 fi 348 349 eval cat <<EOF $makewrapout 350 #! /bin/sh 351 # Set proper variables to allow easy "make" building of a NetBSD subtree. 352 # Generated from: \$NetBSD: build.sh,v 1.51 2002/03/07 14:59:04 simonb Exp $ 353 # 354 355 EOF 356 for f in $makeenv; do 357 eval echo "$f=\'\$`echo $f`\'\;\ export\ $f" $makewrapout 358 done 359 eval echo "USETOOLS=yes\; export USETOOLS" $makewrapout 360 361 eval cat <<EOF $makewrapout 362 363 exec \$TOOLDIR/bin/nbmake \${1+"\$@"} 364 EOF 365 [ "$runcmd" = "echo" ] && echo EOF 366 $runcmd chmod +x $makewrapper 367 368 if $do_buildsystem; then 369 ${runcmd-exec} $makewrapper $buildtarget 370 elif $do_buildonlytools; then 371 if [ "$MKOBJDIRS" != "no" ]; then 372 $runcmd $makewrapper obj-tools || exit 1 373 fi 374 $runcmd cd tools 375 if [ "$UPDATE" = "" ]; then 376 ${runcmd-exec} $makewrapper cleandir dependall install 377 else 378 ${runcmd-exec} $makewrapper dependall install 379 fi 380 fi 381
Indexes created Tue Sep 30 20:09:53 GMT 2025