build.sh revision 1.36
1#! /bin/sh 2# $NetBSD: build.sh,v 1.36 2001/12/17 13:16:10 wiz 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 $MACHINE in 23 arm26|dnard|evbarm|hpcarm|netwinder) 24 MACHINE_ARCH=arm;; 25 26 acorn32|arm32|cats) 27 MACHINE_ARCH=arm32;; 28 29 sun2) 30 MACHINE_ARCH=m68000;; 31 32 amiga|atari|cesfic|hp300|sun3|*68k) 33 MACHINE_ARCH=m68k;; 34 35 mipsco|newsmips|sgimips) 36 MACHINE_ARCH=mipseb;; 37 38 algor|arc|cobalt|hpcmips|playstation2|pmax) 39 MACHINE_ARCH=mipsel;; 40 41 pc532) 42 MACHINE_ARCH=ns32k;; 43 44 bebox|prep|sandpoint|walnut|*ppc) 45 MACHINE_ARCH=powerpc;; 46 47 evbsh3|mmeye) 48 MACHINE_ARCH=sh3eb;; 49 50 dreamcast|hpcsh) 51 MACHINE_ARCH=sh3el;; 52 53 alpha|i386|sparc|sparc64|vax|x86_64) 54 MACHINE_ARCH=$MACHINE;; 55 56 *) bomb "unknown target MACHINE: $MACHINE";; 57 esac 58} 59 60getmakevar () { 61 $make -m ${TOP}/share/mk -s -f- _x_ <<EOF 62_x_: 63 echo \${$1} 64.include <bsd.prog.mk> 65EOF 66} 67 68# Emulate "mkdir -p" for systems that have an Old "mkdir". 69mkdirp () { 70 oifs=$IFS 71 IFS=/; set -- $@; IFS=$oifs 72 _d= 73 if [ -z "$1" ]; then _d=/; shift; fi 74 75 for _f in "$@"; do 76 if [ -n "$_f" ]; then 77 [ -d "$_d$_f" ] || $runcmd mkdir "$_d$_f" || return 1 78 _d="$_d$_f/" 79 fi 80 done 81} 82 83resolvepath () { 84 case $OPTARG in 85 /*) ;; 86 *) OPTARG="$cwd/$OPTARG";; 87 esac 88} 89 90usage () { 91 echo "Usage:" 92 echo "$0 [-bdoru] [-a arch] [-j njob] [-m mach] [-w wrapper]" 93 echo " [-D dest] [-O obj] [-R release] [-T tools]" 94 echo "" 95 echo " -a: set MACHINE_ARCH to arch (otherwise deduced from MACHINE)" 96 echo " -b: build nbmake and nbmake wrapper script, if needed" 97 echo " -D: set DESTDIR to dest" 98 echo " -d: build a full distribution into DESTDIR (including etc files)" 99 echo " -j: set NBUILDJOBS to njob" 100 echo " -m: set MACHINE to mach (not required if NetBSD native)" 101 echo " -n: show commands that would be executed, but do not execute them" 102 echo " -O: set obj root directory to obj (sets a MAKEOBJDIR pattern)" 103 echo " -o: set MKOBJDIRS=no (do not create objdirs at start of build)" 104 echo " -R: build a release (and set RELEASEDIR to release)" 105 echo " -r: remove contents of TOOLDIR and DESTDIR before building" 106 echo " -T: set TOOLDIR to tools" 107 echo " -t: build and install tools only (implies -b)" 108 echo " -u: set UPDATE" 109 echo " -w: create nbmake script at wrapper (default TOOLDIR/bin/nbmake-MACHINE)" 110 echo "" 111 echo "Note: if -T is unset and TOOLDIR is not set in the environment," 112 echo " nbmake will be [re]built unconditionally." 113 exit 1 114} 115 116# Set defaults. 117MAKEFLAGS= 118buildtarget=build 119cwd=`pwd` 120do_buildsystem=true 121do_buildonlytools=false 122do_rebuildmake=false 123do_removedirs=false 124makeenv= 125makewrapper= 126opt_a=no 127opts='a:bdhj:m:nortuw:D:O:R:T:' 128runcmd= 129 130if type getopts >/dev/null 2>&1; then 131 # Use POSIX getopts. 132 getoptcmd='getopts $opts opt && opt=-$opt' 133 optargcmd=':' 134else 135 type getopt >/dev/null 2>&1 || bomb "/bin/sh shell is too old; try ksh or bash" 136 137 # Use old-style getopt(1) (doesn't handle whitespace in args). 138 args="`getopt $opts $*`" 139 [ $? = 0 ] || usage 140 set -- $args 141 142 getoptcmd='[ $# -gt 0 ] && opt="$1" && shift' 143 optargcmd='OPTARG="$1"; shift' 144fi 145 146# Parse command line options. 147while eval $getoptcmd; do case $opt in 148 -a) eval $optargcmd 149 MACHINE_ARCH=$OPTARG; opt_a=yes;; 150 151 -b) do_buildsystem=false;; 152 153 -d) buildtarget=distribution;; 154 155 -j) eval $optargcmd 156 MAKEFLAGS="$MAKEFLAGS NBUILDJOBS=$OPTARG"; export MAKEFLAGS;; 157 158 # -m overrides MACHINE_ARCH unless "-a" is specified 159 -m) eval $optargcmd 160 MACHINE=$OPTARG; [ "$opt_a" != "yes" ] && getarch;; 161 162 -n) runcmd=echo;; 163 164 -o) MKOBJDIRS=no;; 165 166 -r) do_removedirs=true; do_rebuildmake=true;; 167 168 -t) do_buildonlytools=true; do_buildsystem=false;; 169 170 -u) UPDATE=yes; export UPDATE 171 makeenv="$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 206 207# Set up default make(1) environment. 208makeenv="$makeenv TOOLDIR MACHINE MACHINE_ARCH MAKEFLAGS" 209MAKEFLAGS="-m $cwd/share/mk $MAKEFLAGS MKOBJDIRS=${MKOBJDIRS-yes}" 210export MAKEFLAGS MACHINE MACHINE_ARCH 211 212# Test make source file timestamps against installed nbmake binary, 213# if TOOLDIR is pre-set. 214make=${TOOLDIR-nonexistent}/bin/nbmake 215if [ -x $make ]; then 216 for f in usr.bin/make/*.[ch] usr.bin/make/lst.lib/*.[ch]; do 217 if [ $f -nt $make ]; then 218 do_rebuildmake=true; break 219 fi 220 done 221else 222 do_rebuildmake=true 223fi 224 225# Build bootstrap nbmake if needed. 226if $do_rebuildmake; then 227 $runcmd echo "===> Bootstrapping nbmake" 228 tmpdir=${TMPDIR-/tmp}/nbbuild$$ 229 230 $runcmd mkdir $tmpdir || bomb "cannot mkdir: $tmpdir" 231 trap "rm -r -f $tmpdir" 0 232 trap "exit 1" 1 2 3 15 233 $runcmd cd $tmpdir 234 235 $runcmd ${HOST_CC-cc} ${HOST_CFLAGS} -DMAKE_BOOTSTRAP \ 236 -o nbmake -I$cwd/usr.bin/make \ 237 $cwd/usr.bin/make/*.c $cwd/usr.bin/make/lst.lib/*.c \ 238 ${HOST_LDFLAGS} || bomb "build of nbmake failed" 239 240 make=$tmpdir/nbmake 241 $runcmd cd $cwd 242 $runcmd rm -f usr.bin/make/*.o usr.bin/make/lst.lib/*.o 243fi 244 245USE_NEW_TOOLCHAIN=`getmakevar USE_NEW_TOOLCHAIN` 246if [ "${USE_NEW_TOOLCHAIN}" = "" ]; then 247 echo "ERROR: build.sh (new toolchain) is not yet enabled for" 248 echo 249 echo "MACHINE: ${MACHINE}" 250 echo "MACHINE_ARCH: ${MACHINE_ARCH}" 251 echo 252 echo "All builds for this platform should be done via a traditional make" 253 echo 254 echo "If you wish to test using the new toolchain set" 255 echo 256 echo "USE_NEW_TOOLCHAIN=yes" 257 echo 258 echo "in either the environment or mk.conf and rerun" 259 echo 260 echo "$0 $*" 261 exit 1 262fi 263 264# If TOOLDIR isn't already set, make objdirs in "tools" in case the 265# default setting from <bsd.own.mk> is used. 266if [ -z "$TOOLDIR" ] && [ "$MKOBJDIRS" != "no" ]; then 267 $runcmd cd tools 268 $runcmd $make -m ${TOP}/share/mk obj NOSUBDIR= || exit 1 269 $runcmd cd .. 270fi 271 272# 273# If setting -O to root an obj dir make sure the base directory is made 274# before continuing as bsd.own.mk will need this to pick up _SRC_TOP_OBJ_ 275# 276if [ "$MKOBJDIRS" != "no" ] && [ ! -z "$makeobjdir" ]; then 277 $runcmd mkdirp $makeobjdir 278fi 279 280# Find DESTDIR and TOOLDIR. 281if [ "$runcmd" = "echo" ]; then 282 # shown symbolically with -n because these may come from mk.conf 283 DESTDIR='$DESTDIR' 284 TOOLDIR='$TOOLDIR' 285else 286 DESTDIR=`getmakevar DESTDIR`; echo "===> DESTDIR path: $DESTDIR" 287 TOOLDIR=`getmakevar TOOLDIR`; echo "===> TOOLDIR path: $TOOLDIR" 288 export DESTDIR TOOLDIR 289fi 290 291# Check validity of TOOLDIR and DESTDIR. 292if [ -z "$TOOLDIR" ] || [ "$TOOLDIR" = "/" ]; then 293 bomb "TOOLDIR '$TOOLDIR' invalid" 294fi 295removedirs="$TOOLDIR" 296 297if [ -z "$DESTDIR" ] || [ "$DESTDIR" = "/" ]; then 298 if $do_buildsystem && \ 299 ([ "$buildtarget" != "build" ] || \ 300 [ "`uname -s 2>/dev/null`" != "NetBSD" ] || \ 301 [ "`uname -m`" != "$MACHINE" ]); then 302 bomb "DESTDIR must be set to a non-root path for cross builds or -d or -R." 303 elif $do_buildsystem; then 304 echo "===> WARNING: Building to /." 305 echo "===> If your kernel is not up to date, this may cause the system to break!" 306 fi 307else 308 removedirs="$removedirs $DESTDIR" 309fi 310 311# Remove the target directories. 312if $do_removedirs; then 313 for f in $removedirs; do 314 echo "===> Removing $f" 315 $runcmd rm -r -f $f 316 done 317fi 318 319# Recreate $TOOLDIR. 320mkdirp $TOOLDIR/bin || bomb "mkdir of $TOOLDIR/bin failed" 321 322# Install nbmake if it was built. 323if $do_rebuildmake; then 324 $runcmd rm -f $TOOLDIR/bin/nbmake 325 $runcmd cp $make $TOOLDIR/bin/nbmake 326 $runcmd rm -r -f $tmpdir 327 trap 0 1 2 3 15 328fi 329 330# Build a nbmake wrapper script, usable by hand as well as by build.sh. 331if [ -z "$makewrapper" ]; then 332 makewrapper=$TOOLDIR/bin/nbmake-$MACHINE 333fi 334 335$runcmd rm -f $makewrapper 336if [ "$runcmd" = "echo" ]; then 337 echo 'cat <<EOF >'$makewrapper 338 makewrapout= 339else 340 makewrapout=">>$makewrapper" 341fi 342 343eval cat <<EOF $makewrapout 344#! /bin/sh 345# Set proper variables to allow easy "make" building of a NetBSD subtree. 346# Generated from: \$NetBSD: build.sh,v 1.36 2001/12/17 13:16:10 wiz Exp $ 347# 348 349EOF 350for f in $makeenv; do 351 eval echo "$f=\'\$`echo $f`\'\;\ export\ $f" $makewrapout 352done 353eval echo "USETOOLS=yes\; export USETOOLS" $makewrapout 354 355eval cat <<EOF $makewrapout 356 357exec \$TOOLDIR/bin/nbmake \${1+"\$@"} 358EOF 359[ "$runcmd" = "echo" ] && echo EOF 360$runcmd chmod +x $makewrapper 361 362if $do_buildsystem; then 363 ${runcmd-exec} $makewrapper $buildtarget 364elif $do_buildonlytools; then 365 if [ "$MKOBJDIRS" != "no" ]; then 366 $runcmd $makewrapper obj-tools || exit 1 367 fi 368 $runcmd cd tools 369 if [ "$UPDATE" = "" ]; then 370 ${runcmd-exec} $makewrapper cleandir dependall install 371 else 372 ${runcmd-exec} $makewrapper dependall install 373 fi 374fi 375