build.sh revision 1.27
1 #! /bin/sh 2 # $NetBSD: build.sh,v 1.27 2001/11/26 05:57:33 jmc 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 IFS=/; set -- $@; unset IFS 69 _d= 70 if [ -z "$1" ]; then _d=/; shift; fi 71 72 for _f in "$@"; do 73 if [ -n "$_f" ]; then 74 [ -d "$_d$_f" ] || $runcmd mkdir "$_d$_f" || return 1 75 _d="$_d$_f/" 76 fi 77 done 78 } 79 80 resolvepath () { 81 case $OPTARG in 82 /*) ;; 83 *) OPTARG="$cwd/$OPTARG";; 84 esac 85 } 86 87 usage () { 88 echo "Usage:" 89 echo "$0 [-bdoru] [-a arch] [-j njob] -m mach [-w wrapper]" 90 echo " [-D dest] [-O obj] [-R release] [-T tools]" 91 echo "" 92 echo " -a: set MACHINE_ARCH to arch (otherwise deduced from MACHINE)" 93 echo " -b: build nbmake and nbmake wrapper script, if needed" 94 echo " -d: build a full distribution into DESTDIR (including etc files)" 95 echo " -j: set NBUILDJOBS to njob" 96 echo " -m: set MACHINE to mach (not required if NetBSD native)" 97 echo " -n: show commands that would be executed, but do not execute them" 98 echo " -o: set MKOBJDIRS=no (do not create objdirs at start of build)" 99 echo " -r: remove contents of TOOLDIR and DESTDIR before building" 100 echo " -t: build and install tools only (implies -b)" 101 echo " -u: set UPDATE" 102 echo " -w: create nbmake script at wrapper (default TOOLDIR/bin/nbmake-MACHINE)" 103 echo " -D: set DESTDIR to dest" 104 echo " -O: set obj root directory to obj (sets a MAKEOBJDIR pattern)" 105 echo " -R: build a release (and set RELEASEDIR to release)" 106 echo " -T: set TOOLDIR to tools" 107 echo "" 108 echo "Note: if -T is unset and TOOLDIR is not set in the environment," 109 echo " nbmake will be [re]built unconditionally." 110 exit 1 111 } 112 113 # Set defaults. 114 MAKEFLAGS= 115 buildtarget=build 116 cwd=`pwd` 117 do_buildsystem=true 118 do_buildonlytools=false 119 do_rebuildmake=false 120 do_removedirs=false 121 makeenv= 122 makewrapper= 123 opt_a=no 124 opts='a:bdhj:m:nortuw:D:O:R:T:' 125 runcmd= 126 127 if type getopts >/dev/null 2>&1; then 128 # Use POSIX getopts. 129 getoptcmd='getopts $opts opt && opt=-$opt' 130 optargcmd=':' 131 else 132 type getopt >/dev/null 2>&1 || bomb "/bin/sh shell is too old; try ksh" 133 134 # Use old-style getopt(1) (doesn't handle whitespace in args). 135 args="`getopt $opts $*`" 136 [ $? = 0 ] || usage 137 set -- $args 138 139 getoptcmd='[ $# -gt 0 ] && opt="$1" && shift' 140 optargcmd='OPTARG="$1"; shift' 141 fi 142 143 # Parse command line options. 144 while eval $getoptcmd; do case $opt in 145 -a) eval $optargcmd 146 MACHINE_ARCH=$OPTARG; opt_a=yes;; 147 148 -b) do_buildsystem=false;; 149 150 -d) buildtarget=distribution;; 151 152 -j) eval $optargcmd 153 MAKEFLAGS="$MAKEFLAGS NBUILDJOBS=$OPTARG"; export MAKEFLAGS;; 154 155 # -m overrides MACHINE_ARCH unless "-a" is specified 156 -m) eval $optargcmd 157 MACHINE=$OPTARG; [ "$opt_a" != "yes" ] && getarch;; 158 159 -n) runcmd=echo;; 160 161 -o) MKOBJDIRS=no;; 162 163 -r) do_removedirs=true; do_rebuildmake=true;; 164 165 -t) do_buildonlytools=true; do_buildsystem=false;; 166 167 -u) UPDATE=yes; export UPDATE 168 makeenv="$makeenv UPDATE";; 169 170 -w) eval $optargcmd; resolvepath 171 makewrapper="$OPTARG";; 172 173 -D) eval $optargcmd; resolvepath 174 DESTDIR="$OPTARG"; export DESTDIR 175 makeenv="$makeenv DESTDIR";; 176 177 -O) eval $optargcmd; resolvepath 178 MAKEOBJDIR="\${.CURDIR:C,^$cwd,$OPTARG,}"; export MAKEOBJDIR 179 makeobjdir=$OPTARG 180 makeenv="$makeenv MAKEOBJDIR";; 181 182 -R) eval $optargcmd; resolvepath 183 RELEASEDIR=$OPTARG; export RELEASEDIR 184 makeenv="$makeenv RELEASEDIR" 185 buildtarget=release;; 186 187 -T) eval $optargcmd; resolvepath 188 TOOLDIR="$OPTARG"; export TOOLDIR;; 189 190 --) break;; 191 -'?'|-h) usage;; 192 esac; done 193 194 # Set up MACHINE*. On a NetBSD host, these are allowed to be unset. 195 if [ -z "$MACHINE" ]; then 196 if [ "`uname -s 2>/dev/null`" != "NetBSD" ]; then 197 echo "MACHINE must be set, or -m must be used, for cross builds." 198 echo ""; usage 199 fi 200 MACHINE=`uname -m` 201 fi 202 [ -n "$MACHINE_ARCH" ] || getarch 203 204 # Set up default make(1) environment. 205 makeenv="$makeenv TOOLDIR MACHINE MACHINE_ARCH MAKEFLAGS" 206 MAKEFLAGS="-m $cwd/share/mk $MAKEFLAGS MKOBJDIRS=${MKOBJDIRS-yes}" 207 export MAKEFLAGS MACHINE MACHINE_ARCH 208 209 # Test make source file timestamps against installed nbmake binary, 210 # if TOOLDIR is pre-set. 211 make=${TOOLDIR-nonexistent}/bin/nbmake 212 if [ -x $make ]; then 213 for f in usr.bin/make/*.[ch] usr.bin/make/lst.lib/*.[ch]; do 214 if [ $f -nt $make ]; then 215 do_rebuildmake=true; break 216 fi 217 done 218 else 219 do_rebuildmake=true 220 fi 221 222 # Build bootstrap nbmake if needed. 223 if $do_rebuildmake; then 224 $runcmd echo "===> Bootstrapping nbmake" 225 tmpdir=${TMPDIR-/tmp}/nbbuild$$ 226 227 $runcmd mkdir $tmpdir || bomb "cannot mkdir: $tmpdir" 228 trap "rm -r -f $tmpdir" 0 229 trap "exit 1" 1 2 3 15 230 $runcmd cd $tmpdir 231 232 $runcmd ${HOST_CC-cc} ${HOST_CFLAGS} -DMAKE_BOOTSTRAP \ 233 -o nbmake -I$cwd/usr.bin/make \ 234 $cwd/usr.bin/make/*.c $cwd/usr.bin/make/lst.lib/*.c \ 235 || bomb "build of nbmake failed" 236 237 make=$tmpdir/nbmake 238 $runcmd cd $cwd 239 $runcmd rm -f usr.bin/make/*.o usr.bin/make/lst.lib/*.o 240 fi 241 242 # If TOOLDIR isn't already set, make objdirs in "tools" in case the 243 # default setting from <bsd.own.mk> is used. 244 if [ -z "$TOOLDIR" ] && [ "$MKOBJDIRS" != "no" ]; then 245 $runcmd cd tools 246 $runcmd $make obj NOSUBDIR= || exit 1 247 $runcmd cd .. 248 fi 249 250 # 251 # If setting -O to root an obj dir make sure the base directory is made 252 # before continuing as bsd.own.mk will need this to pick up _SRC_TOP_OBJ_ 253 # 254 if [ "$MKOBJDIRS" != "no" ] && [ ! -z "$makeobjdir" ]; then 255 $runcmd mkdirp $makeobjdir 256 fi 257 258 # Find DESTDIR and TOOLDIR. 259 if [ "$runcmd" = "echo" ]; then 260 # shown symbolically with -n because these may come from mk.conf 261 DESTDIR='$DESTDIR' 262 TOOLDIR='$TOOLDIR' 263 else 264 DESTDIR=`getmakevar DESTDIR`; echo "===> DESTDIR path: $DESTDIR" 265 TOOLDIR=`getmakevar TOOLDIR`; echo "===> TOOLDIR path: $TOOLDIR" 266 export DESTDIR TOOLDIR 267 fi 268 269 # Check validity of TOOLDIR and DESTDIR. 270 if [ -z "$TOOLDIR" ] || [ "$TOOLDIR" = "/" ]; then 271 bomb "TOOLDIR '$TOOLDIR' invalid" 272 fi 273 removedirs="$TOOLDIR" 274 275 if [ -z "$DESTDIR" ] || [ "$DESTDIR" = "/" ]; then 276 if $do_buildsystem && \ 277 ([ "$buildtarget" != "build" ] || \ 278 [ "`uname -s 2>/dev/null`" != "NetBSD" ] || \ 279 [ "`uname -m`" != "$MACHINE" ]); then 280 bomb "DESTDIR must be set to a non-root path for cross builds or -d or -R." 281 elif $do_buildsystem; then 282 echo "===> WARNING: Building to /." 283 echo "===> If your kernel is not up to date, this may cause the system to break!" 284 fi 285 else 286 removedirs="$removedirs $DESTDIR" 287 fi 288 289 # Remove the target directories. 290 if $do_removedirs; then 291 for f in $removedirs; do 292 echo "===> Removing $f" 293 $runcmd rm -r -f $f 294 done 295 fi 296 297 # Recreate $TOOLDIR. 298 mkdirp $TOOLDIR/bin || bomb "mkdir of $TOOLDIR/bin failed" 299 300 # Install nbmake if it was built. 301 if $do_rebuildmake; then 302 $runcmd rm -f $TOOLDIR/bin/nbmake 303 $runcmd cp $make $TOOLDIR/bin/nbmake 304 $runcmd rm -r -f $tmpdir 305 trap 0 1 2 3 15 306 fi 307 308 # Build a nbmake wrapper script, usable by hand as well as by build.sh. 309 if [ -z "$makewrapper" ]; then 310 makewrapper=$TOOLDIR/bin/nbmake-$MACHINE 311 fi 312 313 $runcmd rm -f $makewrapper 314 if [ "$runcmd" = "echo" ]; then 315 echo 'cat <<EOF >'$makewrapper 316 makewrapout= 317 else 318 makewrapout=">>$makewrapper" 319 fi 320 321 eval cat <<EOF $makewrapout 322 #! /bin/sh 323 # Set proper variables to allow easy "make" building of a NetBSD subtree. 324 # Generated from: \$NetBSD: build.sh,v 1.27 2001/11/26 05:57:33 jmc Exp $ 325 # 326 327 EOF 328 for f in $makeenv; do 329 eval echo "$f=\'\$`echo $f`\'\;\ export\ $f" $makewrapout 330 done 331 eval echo "USETOOLS=yes\; export USETOOLS" $makewrapout 332 333 eval cat <<EOF $makewrapout 334 335 exec \$TOOLDIR/bin/nbmake \${1+"\$@"} 336 EOF 337 [ "$runcmd" = "echo" ] && echo EOF 338 $runcmd chmod +x $makewrapper 339 340 if $do_buildsystem; then 341 ${runcmd-exec} $makewrapper $buildtarget 342 elif $do_buildonlytools; then 343 if [ "$MKOBJDIRS" != "no" ]; then 344 $runcmd $makewrapper obj-tools || exit 1 345 fi 346 $runcmd cd tools 347 ${runcmd-exec} $makewrapper cleandir dependall install 348 fi 349
Indexes created Wed Oct 01 07:09:59 GMT 2025