build.sh revision 1.37
1 #! /bin/sh 2 # $NetBSD: build.sh,v 1.37 2001/12/19 20:59:07 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 $MACHINE in 23 arm26|dnard|evbarm|hpcarm|netwinder) 24 MACHINE_ARCH=arm;; 25 26 acorn32|arm32|cats) 27 MACHINE_ARCH=arm32;; 28 29 sun2) 30 MACHINE_ARCH=m68000;; 31 32 amiga|atari|cesfic|hp300|sun3|*68k) 33 MACHINE_ARCH=m68k;; 34 35 mipsco|newsmips|sgimips) 36 MACHINE_ARCH=mipseb;; 37 38 algor|arc|cobalt|hpcmips|playstation2|pmax) 39 MACHINE_ARCH=mipsel;; 40 41 pc532) 42 MACHINE_ARCH=ns32k;; 43 44 bebox|prep|sandpoint|walnut|*ppc) 45 MACHINE_ARCH=powerpc;; 46 47 evbsh3|mmeye) 48 MACHINE_ARCH=sh3eb;; 49 50 dreamcast|hpcsh) 51 MACHINE_ARCH=sh3el;; 52 53 alpha|i386|sparc|sparc64|vax|x86_64) 54 MACHINE_ARCH=$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 [-bdoru] [-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 UPDATE" 110 echo " -w: create nbmake script at wrapper (default TOOLDIR/bin/nbmake-MACHINE)" 111 echo "" 112 echo "Note: if -T is unset and TOOLDIR is not set in the environment," 113 echo " nbmake will be [re]built unconditionally." 114 exit 1 115 } 116 117 # Set defaults. 118 MAKEFLAGS= 119 buildtarget=build 120 cwd=`pwd` 121 do_buildsystem=true 122 do_buildonlytools=false 123 do_rebuildmake=false 124 do_removedirs=false 125 makeenv= 126 makewrapper= 127 opt_a=no 128 opts='a:bdhj:m:nortuw:D:O:R:T:' 129 runcmd= 130 131 if type getopts >/dev/null 2>&1; then 132 # Use POSIX getopts. 133 getoptcmd='getopts $opts opt && opt=-$opt' 134 optargcmd=':' 135 else 136 type getopt >/dev/null 2>&1 || bomb "/bin/sh shell is too old; try ksh or bash" 137 138 # Use old-style getopt(1) (doesn't handle whitespace in args). 139 args="`getopt $opts $*`" 140 [ $? = 0 ] || usage 141 set -- $args 142 143 getoptcmd='[ $# -gt 0 ] && opt="$1" && shift' 144 optargcmd='OPTARG="$1"; shift' 145 fi 146 147 # Parse command line options. 148 while eval $getoptcmd; do case $opt in 149 -a) eval $optargcmd 150 MACHINE_ARCH=$OPTARG; opt_a=yes;; 151 152 -b) do_buildsystem=false;; 153 154 -d) buildtarget=distribution;; 155 156 -j) eval $optargcmd 157 MAKEFLAGS="$MAKEFLAGS NBUILDJOBS=$OPTARG"; export MAKEFLAGS;; 158 159 # -m overrides MACHINE_ARCH unless "-a" is specified 160 -m) eval $optargcmd 161 MACHINE=$OPTARG; [ "$opt_a" != "yes" ] && getarch;; 162 163 -n) runcmd=echo;; 164 165 -o) MKOBJDIRS=no;; 166 167 -r) do_removedirs=true; do_rebuildmake=true;; 168 169 -t) do_buildonlytools=true; do_buildsystem=false;; 170 171 -u) UPDATE=yes; export UPDATE 172 makeenv="$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 207 208 # Set up default make(1) environment. 209 makeenv="$makeenv TOOLDIR MACHINE MACHINE_ARCH MAKEFLAGS" 210 MAKEFLAGS="-m $cwd/share/mk $MAKEFLAGS MKOBJDIRS=${MKOBJDIRS-yes}" 211 export MAKEFLAGS MACHINE MACHINE_ARCH 212 213 # Test make source file timestamps against installed nbmake binary, 214 # if TOOLDIR is pre-set. 215 make=${TOOLDIR-nonexistent}/bin/nbmake 216 if [ -x $make ]; then 217 for f in usr.bin/make/*.[ch] usr.bin/make/lst.lib/*.[ch]; do 218 if [ $f -nt $make ]; then 219 do_rebuildmake=true; break 220 fi 221 done 222 else 223 do_rebuildmake=true 224 fi 225 226 # Build bootstrap nbmake if needed. 227 if $do_rebuildmake; then 228 $runcmd echo "===> Bootstrapping nbmake" 229 tmpdir=${TMPDIR-/tmp}/nbbuild$$ 230 231 $runcmd mkdir $tmpdir || bomb "cannot mkdir: $tmpdir" 232 trap "rm -r -f $tmpdir" 0 233 trap "exit 1" 1 2 3 15 234 $runcmd cd $tmpdir 235 236 $runcmd ${HOST_CC-cc} ${HOST_CFLAGS} -DMAKE_BOOTSTRAP \ 237 -o nbmake -I$cwd/usr.bin/make \ 238 $cwd/usr.bin/make/*.c $cwd/usr.bin/make/lst.lib/*.c \ 239 ${HOST_LDFLAGS} || bomb "build of nbmake failed" 240 241 make=$tmpdir/nbmake 242 $runcmd cd $cwd 243 $runcmd rm -f usr.bin/make/*.o usr.bin/make/lst.lib/*.o 244 fi 245 246 USE_NEW_TOOLCHAIN=`getmakevar USE_NEW_TOOLCHAIN` 247 if [ "${USE_NEW_TOOLCHAIN}" = "" ]; then 248 echo "ERROR: build.sh (new toolchain) is not yet enabled for" 249 echo 250 echo "MACHINE: ${MACHINE}" 251 echo "MACHINE_ARCH: ${MACHINE_ARCH}" 252 echo 253 echo "All builds for this platform should be done via a traditional make" 254 echo 255 echo "If you wish to test using the new toolchain set" 256 echo 257 echo "USE_NEW_TOOLCHAIN=yes" 258 echo 259 echo "in either the environment or mk.conf and rerun" 260 echo 261 echo "$0 $*" 262 exit 1 263 fi 264 265 # If TOOLDIR isn't already set, make objdirs in "tools" in case the 266 # default setting from <bsd.own.mk> is used. 267 if [ -z "$TOOLDIR" ] && [ "$MKOBJDIRS" != "no" ]; then 268 $runcmd cd tools 269 $runcmd $make -m ${TOP}/share/mk obj NOSUBDIR= || exit 1 270 $runcmd cd .. 271 fi 272 273 # 274 # If setting -O to root an obj dir make sure the base directory is made 275 # before continuing as bsd.own.mk will need this to pick up _SRC_TOP_OBJ_ 276 # 277 if [ "$MKOBJDIRS" != "no" ] && [ ! -z "$makeobjdir" ]; then 278 $runcmd mkdirp $makeobjdir 279 fi 280 281 # Find DESTDIR and TOOLDIR. 282 if [ "$runcmd" = "echo" ]; then 283 # shown symbolically with -n because these may come from mk.conf 284 DESTDIR='$DESTDIR' 285 TOOLDIR='$TOOLDIR' 286 else 287 DESTDIR=`getmakevar DESTDIR`; echo "===> DESTDIR path: $DESTDIR" 288 TOOLDIR=`getmakevar TOOLDIR`; echo "===> TOOLDIR path: $TOOLDIR" 289 export DESTDIR TOOLDIR 290 fi 291 292 # Check validity of TOOLDIR and DESTDIR. 293 if [ -z "$TOOLDIR" ] || [ "$TOOLDIR" = "/" ]; then 294 bomb "TOOLDIR '$TOOLDIR' invalid" 295 fi 296 removedirs="$TOOLDIR" 297 298 if [ -z "$DESTDIR" ] || [ "$DESTDIR" = "/" ]; then 299 if $do_buildsystem && \ 300 ([ "$buildtarget" != "build" ] || \ 301 [ "`uname -s 2>/dev/null`" != "NetBSD" ] || \ 302 [ "`uname -m`" != "$MACHINE" ]); then 303 bomb "DESTDIR must be set to a non-root path for cross builds or -d or -R." 304 elif $do_buildsystem; then 305 echo "===> WARNING: Building to /." 306 echo "===> If your kernel is not up to date, this may cause the system to break!" 307 fi 308 else 309 removedirs="$removedirs $DESTDIR" 310 fi 311 312 # Remove the target directories. 313 if $do_removedirs; then 314 for f in $removedirs; do 315 echo "===> Removing $f" 316 $runcmd rm -r -f $f 317 done 318 fi 319 320 # Recreate $TOOLDIR. 321 mkdirp $TOOLDIR/bin || bomb "mkdir of $TOOLDIR/bin failed" 322 323 # Install nbmake if it was built. 324 if $do_rebuildmake; then 325 $runcmd rm -f $TOOLDIR/bin/nbmake 326 $runcmd cp $make $TOOLDIR/bin/nbmake 327 $runcmd rm -r -f $tmpdir 328 trap 0 1 2 3 15 329 fi 330 331 # Build a nbmake wrapper script, usable by hand as well as by build.sh. 332 if [ -z "$makewrapper" ]; then 333 makewrapper=$TOOLDIR/bin/nbmake-$MACHINE 334 fi 335 336 $runcmd rm -f $makewrapper 337 if [ "$runcmd" = "echo" ]; then 338 echo 'cat <<EOF >'$makewrapper 339 makewrapout= 340 else 341 makewrapout=">>$makewrapper" 342 fi 343 344 eval cat <<EOF $makewrapout 345 #! /bin/sh 346 # Set proper variables to allow easy "make" building of a NetBSD subtree. 347 # Generated from: \$NetBSD: build.sh,v 1.37 2001/12/19 20:59:07 tv Exp $ 348 # 349 350 EOF 351 for f in $makeenv; do 352 eval echo "$f=\'\$`echo $f`\'\;\ export\ $f" $makewrapout 353 done 354 eval echo "USETOOLS=yes\; export USETOOLS" $makewrapout 355 356 eval cat <<EOF $makewrapout 357 358 exec \$TOOLDIR/bin/nbmake \${1+"\$@"} 359 EOF 360 [ "$runcmd" = "echo" ] && echo EOF 361 $runcmd chmod +x $makewrapper 362 363 if $do_buildsystem; then 364 ${runcmd-exec} $makewrapper $buildtarget 365 elif $do_buildonlytools; then 366 if [ "$MKOBJDIRS" != "no" ]; then 367 $runcmd $makewrapper obj-tools || exit 1 368 fi 369 $runcmd cd tools 370 if [ "$UPDATE" = "" ]; then 371 ${runcmd-exec} $makewrapper cleandir dependall install 372 else 373 ${runcmd-exec} $makewrapper dependall install 374 fi 375 fi 376
Indexes created Tue Sep 30 20:09:53 GMT 2025