build.sh revision 1.28
1 #! /bin/sh 2 # $NetBSD: build.sh,v 1.28 2001/11/30 02:18:13 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" 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 getarch () { 19 # Translate a MACHINE into a default MACHINE_ARCH. 20 case $MACHINE in 21 arm26|dnard|evbarm|hpcarm|netwinder) 22 MACHINE_ARCH=arm;; 23 24 acorn32|arm32|cats) 25 MACHINE_ARCH=arm32;; 26 27 sun2) 28 MACHINE_ARCH=m68000;; 29 30 amiga|atari|cesfic|hp300|sun3|*68k) 31 MACHINE_ARCH=m68k;; 32 33 mipsco|newsmips|sgimips) 34 MACHINE_ARCH=mipseb;; 35 36 algor|arc|cobalt|hpcmips|playstation2|pmax) 37 MACHINE_ARCH=mipsel;; 38 39 pc532) 40 MACHINE_ARCH=ns32k;; 41 42 bebox|prep|sandpoint|walnut|*ppc) 43 MACHINE_ARCH=powerpc;; 44 45 evbsh3|mmeye) 46 MACHINE_ARCH=sh3eb;; 47 48 dreamcast|hpcsh) 49 MACHINE_ARCH=sh3el;; 50 51 alpha|i386|sparc|sparc64|vax|x86_64) 52 MACHINE_ARCH=$MACHINE;; 53 54 *) bomb "unknown target MACHINE: $MACHINE";; 55 esac 56 } 57 58 getmakevar () { 59 cat <<EOF | $make -s -f- _x_ 60 _x_: 61 echo \${$1} 62 .include <bsd.prog.mk> 63 EOF 64 } 65 66 # Emulate "mkdir -p" for systems that have an Old "mkdir". 67 mkdirp () { 68 oifs=$IFS 69 IFS=/; set -- $@; IFS=$oifs 70 _d= 71 if [ -z "$1" ]; then _d=/; shift; fi 72 73 for _f in "$@"; do 74 if [ -n "$_f" ]; then 75 [ -d "$_d$_f" ] || $runcmd mkdir "$_d$_f" || return 1 76 _d="$_d$_f/" 77 fi 78 done 79 } 80 81 resolvepath () { 82 case $OPTARG in 83 /*) ;; 84 *) OPTARG="$cwd/$OPTARG";; 85 esac 86 } 87 88 usage () { 89 echo "Usage:" 90 echo "$0 [-bdoru] [-a arch] [-j njob] -m mach [-w wrapper]" 91 echo " [-D dest] [-O obj] [-R release] [-T tools]" 92 echo "" 93 echo " -a: set MACHINE_ARCH to arch (otherwise deduced from MACHINE)" 94 echo " -b: build nbmake and nbmake wrapper script, if needed" 95 echo " -d: build a full distribution into DESTDIR (including etc files)" 96 echo " -j: set NBUILDJOBS to njob" 97 echo " -m: set MACHINE to mach (not required if NetBSD native)" 98 echo " -n: show commands that would be executed, but do not execute them" 99 echo " -o: set MKOBJDIRS=no (do not create objdirs at start of build)" 100 echo " -r: remove contents of TOOLDIR and DESTDIR before building" 101 echo " -t: build and install tools only (implies -b)" 102 echo " -u: set UPDATE" 103 echo " -w: create nbmake script at wrapper (default TOOLDIR/bin/nbmake-MACHINE)" 104 echo " -D: set DESTDIR to dest" 105 echo " -O: set obj root directory to obj (sets a MAKEOBJDIR pattern)" 106 echo " -R: build a release (and set RELEASEDIR to release)" 107 echo " -T: set TOOLDIR to tools" 108 echo "" 109 echo "Note: if -T is unset and TOOLDIR is not set in the environment," 110 echo " nbmake will be [re]built unconditionally." 111 exit 1 112 } 113 114 # Set defaults. 115 MAKEFLAGS= 116 buildtarget=build 117 cwd=`pwd` 118 do_buildsystem=true 119 do_buildonlytools=false 120 do_rebuildmake=false 121 do_removedirs=false 122 makeenv= 123 makewrapper= 124 opt_a=no 125 opts='a:bdhj:m:nortuw:D:O:R:T:' 126 runcmd= 127 128 if type getopts >/dev/null 2>&1; then 129 # Use POSIX getopts. 130 getoptcmd='getopts $opts opt && opt=-$opt' 131 optargcmd=':' 132 else 133 type getopt >/dev/null 2>&1 || bomb "/bin/sh shell is too old; try ksh" 134 135 # Use old-style getopt(1) (doesn't handle whitespace in args). 136 args="`getopt $opts $*`" 137 [ $? = 0 ] || usage 138 set -- $args 139 140 getoptcmd='[ $# -gt 0 ] && opt="$1" && shift' 141 optargcmd='OPTARG="$1"; shift' 142 fi 143 144 # Parse command line options. 145 while eval $getoptcmd; do case $opt in 146 -a) eval $optargcmd 147 MACHINE_ARCH=$OPTARG; opt_a=yes;; 148 149 -b) do_buildsystem=false;; 150 151 -d) buildtarget=distribution;; 152 153 -j) eval $optargcmd 154 MAKEFLAGS="$MAKEFLAGS NBUILDJOBS=$OPTARG"; export MAKEFLAGS;; 155 156 # -m overrides MACHINE_ARCH unless "-a" is specified 157 -m) eval $optargcmd 158 MACHINE=$OPTARG; [ "$opt_a" != "yes" ] && getarch;; 159 160 -n) runcmd=echo;; 161 162 -o) MKOBJDIRS=no;; 163 164 -r) do_removedirs=true; do_rebuildmake=true;; 165 166 -t) do_buildonlytools=true; do_buildsystem=false;; 167 168 -u) UPDATE=yes; export UPDATE 169 makeenv="$makeenv UPDATE";; 170 171 -w) eval $optargcmd; resolvepath 172 makewrapper="$OPTARG";; 173 174 -D) eval $optargcmd; resolvepath 175 DESTDIR="$OPTARG"; export DESTDIR 176 makeenv="$makeenv DESTDIR";; 177 178 -O) eval $optargcmd; resolvepath 179 MAKEOBJDIR="\${.CURDIR:C,^$cwd,$OPTARG,}"; export MAKEOBJDIR 180 makeobjdir=$OPTARG 181 makeenv="$makeenv MAKEOBJDIR";; 182 183 -R) eval $optargcmd; resolvepath 184 RELEASEDIR=$OPTARG; export RELEASEDIR 185 makeenv="$makeenv RELEASEDIR" 186 buildtarget=release;; 187 188 -T) eval $optargcmd; resolvepath 189 TOOLDIR="$OPTARG"; export TOOLDIR;; 190 191 --) break;; 192 -'?'|-h) usage;; 193 esac; done 194 195 # Set up MACHINE*. On a NetBSD host, these are allowed to be unset. 196 if [ -z "$MACHINE" ]; then 197 if [ "`uname -s 2>/dev/null`" != "NetBSD" ]; then 198 echo "MACHINE must be set, or -m must be used, for cross builds." 199 echo ""; usage 200 fi 201 MACHINE=`uname -m` 202 fi 203 [ -n "$MACHINE_ARCH" ] || getarch 204 205 # Set up default make(1) environment. 206 makeenv="$makeenv TOOLDIR MACHINE MACHINE_ARCH MAKEFLAGS" 207 MAKEFLAGS="-m $cwd/share/mk $MAKEFLAGS MKOBJDIRS=${MKOBJDIRS-yes}" 208 export MAKEFLAGS MACHINE MACHINE_ARCH 209 210 # Test make source file timestamps against installed nbmake binary, 211 # if TOOLDIR is pre-set. 212 make=${TOOLDIR-nonexistent}/bin/nbmake 213 if [ -x $make ]; then 214 for f in usr.bin/make/*.[ch] usr.bin/make/lst.lib/*.[ch]; do 215 if [ $f -nt $make ]; then 216 do_rebuildmake=true; break 217 fi 218 done 219 else 220 do_rebuildmake=true 221 fi 222 223 # Build bootstrap nbmake if needed. 224 if $do_rebuildmake; then 225 $runcmd echo "===> Bootstrapping nbmake" 226 tmpdir=${TMPDIR-/tmp}/nbbuild$$ 227 228 $runcmd mkdir $tmpdir || bomb "cannot mkdir: $tmpdir" 229 trap "rm -r -f $tmpdir" 0 230 trap "exit 1" 1 2 3 15 231 $runcmd cd $tmpdir 232 233 $runcmd ${HOST_CC-cc} ${HOST_CFLAGS} -DMAKE_BOOTSTRAP \ 234 -DMAKE_MACHINE=\"`uname -m`\" \ 235 -o nbmake -I$cwd/usr.bin/make \ 236 $cwd/usr.bin/make/*.c $cwd/usr.bin/make/lst.lib/*.c \ 237 || bomb "build of nbmake failed" 238 239 make=$tmpdir/nbmake 240 $runcmd cd $cwd 241 $runcmd rm -f usr.bin/make/*.o usr.bin/make/lst.lib/*.o 242 fi 243 244 # If TOOLDIR isn't already set, make objdirs in "tools" in case the 245 # default setting from <bsd.own.mk> is used. 246 if [ -z "$TOOLDIR" ] && [ "$MKOBJDIRS" != "no" ]; then 247 $runcmd cd tools 248 $runcmd $make obj NOSUBDIR= || exit 1 249 $runcmd cd .. 250 fi 251 252 # 253 # If setting -O to root an obj dir make sure the base directory is made 254 # before continuing as bsd.own.mk will need this to pick up _SRC_TOP_OBJ_ 255 # 256 if [ "$MKOBJDIRS" != "no" ] && [ ! -z "$makeobjdir" ]; then 257 $runcmd mkdirp $makeobjdir 258 fi 259 260 # Find DESTDIR and TOOLDIR. 261 if [ "$runcmd" = "echo" ]; then 262 # shown symbolically with -n because these may come from mk.conf 263 DESTDIR='$DESTDIR' 264 TOOLDIR='$TOOLDIR' 265 else 266 DESTDIR=`getmakevar DESTDIR`; echo "===> DESTDIR path: $DESTDIR" 267 TOOLDIR=`getmakevar TOOLDIR`; echo "===> TOOLDIR path: $TOOLDIR" 268 export DESTDIR TOOLDIR 269 fi 270 271 # Check validity of TOOLDIR and DESTDIR. 272 if [ -z "$TOOLDIR" ] || [ "$TOOLDIR" = "/" ]; then 273 bomb "TOOLDIR '$TOOLDIR' invalid" 274 fi 275 removedirs="$TOOLDIR" 276 277 if [ -z "$DESTDIR" ] || [ "$DESTDIR" = "/" ]; then 278 if $do_buildsystem && \ 279 ([ "$buildtarget" != "build" ] || \ 280 [ "`uname -s 2>/dev/null`" != "NetBSD" ] || \ 281 [ "`uname -m`" != "$MACHINE" ]); then 282 bomb "DESTDIR must be set to a non-root path for cross builds or -d or -R." 283 elif $do_buildsystem; then 284 echo "===> WARNING: Building to /." 285 echo "===> If your kernel is not up to date, this may cause the system to break!" 286 fi 287 else 288 removedirs="$removedirs $DESTDIR" 289 fi 290 291 # Remove the target directories. 292 if $do_removedirs; then 293 for f in $removedirs; do 294 echo "===> Removing $f" 295 $runcmd rm -r -f $f 296 done 297 fi 298 299 # Recreate $TOOLDIR. 300 mkdirp $TOOLDIR/bin || bomb "mkdir of $TOOLDIR/bin failed" 301 302 # Install nbmake if it was built. 303 if $do_rebuildmake; then 304 $runcmd rm -f $TOOLDIR/bin/nbmake 305 $runcmd cp $make $TOOLDIR/bin/nbmake 306 $runcmd rm -r -f $tmpdir 307 trap 0 1 2 3 15 308 fi 309 310 # Build a nbmake wrapper script, usable by hand as well as by build.sh. 311 if [ -z "$makewrapper" ]; then 312 makewrapper=$TOOLDIR/bin/nbmake-$MACHINE 313 fi 314 315 $runcmd rm -f $makewrapper 316 if [ "$runcmd" = "echo" ]; then 317 echo 'cat <<EOF >'$makewrapper 318 makewrapout= 319 else 320 makewrapout=">>$makewrapper" 321 fi 322 323 eval cat <<EOF $makewrapout 324 #! /bin/sh 325 # Set proper variables to allow easy "make" building of a NetBSD subtree. 326 # Generated from: \$NetBSD: build.sh,v 1.28 2001/11/30 02:18:13 thorpej Exp $ 327 # 328 329 EOF 330 for f in $makeenv; do 331 eval echo "$f=\'\$`echo $f`\'\;\ export\ $f" $makewrapout 332 done 333 eval echo "USETOOLS=yes\; export USETOOLS" $makewrapout 334 335 eval cat <<EOF $makewrapout 336 337 exec \$TOOLDIR/bin/nbmake \${1+"\$@"} 338 EOF 339 [ "$runcmd" = "echo" ] && echo EOF 340 $runcmd chmod +x $makewrapper 341 342 if $do_buildsystem; then 343 ${runcmd-exec} $makewrapper $buildtarget 344 elif $do_buildonlytools; then 345 if [ "$MKOBJDIRS" != "no" ]; then 346 $runcmd $makewrapper obj-tools || exit 1 347 fi 348 $runcmd cd tools 349 ${runcmd-exec} $makewrapper cleandir dependall install 350 fi 351
Indexes created Thu Oct 02 14:10:14 GMT 2025