build.sh revision 1.29
1 #! /bin/sh 2 # $NetBSD: build.sh,v 1.29 2001/12/03 08:18:00 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 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 cat <<EOF | $make -m ${TOP}/share/mk -s -f- _x_ 62 _x_: 63 echo \${$1} 64 .include <bsd.prog.mk> 65 EOF 66 } 67 68 # Emulate "mkdir -p" for systems that have an Old "mkdir". 69 mkdirp () { 70 oifs=$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 83 resolvepath () { 84 case $OPTARG in 85 /*) ;; 86 *) OPTARG="$cwd/$OPTARG";; 87 esac 88 } 89 90 usage () { 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: build a full distribution into DESTDIR (including etc files)" 98 echo " -j: set NBUILDJOBS to njob" 99 echo " -m: set MACHINE to mach (not required if NetBSD native)" 100 echo " -n: show commands that would be executed, but do not execute them" 101 echo " -o: set MKOBJDIRS=no (do not create objdirs at start of build)" 102 echo " -r: remove contents of TOOLDIR and DESTDIR before building" 103 echo " -t: build and install tools only (implies -b)" 104 echo " -u: set UPDATE" 105 echo " -w: create nbmake script at wrapper (default TOOLDIR/bin/nbmake-MACHINE)" 106 echo " -D: set DESTDIR to dest" 107 echo " -O: set obj root directory to obj (sets a MAKEOBJDIR pattern)" 108 echo " -R: build a release (and set RELEASEDIR to release)" 109 echo " -T: set TOOLDIR to tools" 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. 117 MAKEFLAGS= 118 buildtarget=build 119 cwd=`pwd` 120 do_buildsystem=true 121 do_buildonlytools=false 122 do_rebuildmake=false 123 do_removedirs=false 124 makeenv= 125 makewrapper= 126 opt_a=no 127 opts='a:bdhj:m:nortuw:D:O:R:T:' 128 runcmd= 129 130 if type getopts >/dev/null 2>&1; then 131 # Use POSIX getopts. 132 getoptcmd='getopts $opts opt && opt=-$opt' 133 optargcmd=':' 134 else 135 type getopt >/dev/null 2>&1 || bomb "/bin/sh shell is too old; try ksh" 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' 144 fi 145 146 # Parse command line options. 147 while 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;; 195 esac; done 196 197 # Set up MACHINE*. On a NetBSD host, these are allowed to be unset. 198 if [ -z "$MACHINE" ]; then 199 if [ "`uname -s 2>/dev/null`" != "NetBSD" ]; then 200 echo "MACHINE must be set, or -m must be used, for cross builds." 201 echo ""; usage 202 fi 203 MACHINE=`uname -m` 204 fi 205 [ -n "$MACHINE_ARCH" ] || getarch 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 make=${TOOLDIR-nonexistent}/bin/nbmake 215 if [ -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 221 else 222 do_rebuildmake=true 223 fi 224 225 # Build bootstrap nbmake if needed. 226 if $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} ${HOST_CFLAGS} -DMAKE_BOOTSTRAP \ 236 -DMAKE_MACHINE=\"`uname -m`\" \ 237 -o nbmake -I$cwd/usr.bin/make \ 238 $cwd/usr.bin/make/*.c $cwd/usr.bin/make/lst.lib/*.c \ 239 || bomb "build of nbmake failed" 240 241 make=$tmpdir/nbmake 242 $runcmd cd $cwd 243 $runcmd rm -f usr.bin/make/*.o usr.bin/make/lst.lib/*.o 244 fi 245 246 # If TOOLDIR isn't already set, make objdirs in "tools" in case the 247 # default setting from <bsd.own.mk> is used. 248 if [ -z "$TOOLDIR" ] && [ "$MKOBJDIRS" != "no" ]; then 249 $runcmd cd tools 250 $runcmd $make -m ${TOP}/share/mk obj NOSUBDIR= || exit 1 251 $runcmd cd .. 252 fi 253 254 # 255 # If setting -O to root an obj dir make sure the base directory is made 256 # before continuing as bsd.own.mk will need this to pick up _SRC_TOP_OBJ_ 257 # 258 if [ "$MKOBJDIRS" != "no" ] && [ ! -z "$makeobjdir" ]; then 259 $runcmd mkdirp $makeobjdir 260 fi 261 262 # Find DESTDIR and TOOLDIR. 263 if [ "$runcmd" = "echo" ]; then 264 # shown symbolically with -n because these may come from mk.conf 265 DESTDIR='$DESTDIR' 266 TOOLDIR='$TOOLDIR' 267 else 268 DESTDIR=`getmakevar DESTDIR`; echo "===> DESTDIR path: $DESTDIR" 269 TOOLDIR=`getmakevar TOOLDIR`; echo "===> TOOLDIR path: $TOOLDIR" 270 export DESTDIR TOOLDIR 271 fi 272 273 # Check validity of TOOLDIR and DESTDIR. 274 if [ -z "$TOOLDIR" ] || [ "$TOOLDIR" = "/" ]; then 275 bomb "TOOLDIR '$TOOLDIR' invalid" 276 fi 277 removedirs="$TOOLDIR" 278 279 if [ -z "$DESTDIR" ] || [ "$DESTDIR" = "/" ]; then 280 if $do_buildsystem && \ 281 ([ "$buildtarget" != "build" ] || \ 282 [ "`uname -s 2>/dev/null`" != "NetBSD" ] || \ 283 [ "`uname -m`" != "$MACHINE" ]); then 284 bomb "DESTDIR must be set to a non-root path for cross builds or -d or -R." 285 elif $do_buildsystem; then 286 echo "===> WARNING: Building to /." 287 echo "===> If your kernel is not up to date, this may cause the system to break!" 288 fi 289 else 290 removedirs="$removedirs $DESTDIR" 291 fi 292 293 # Remove the target directories. 294 if $do_removedirs; then 295 for f in $removedirs; do 296 echo "===> Removing $f" 297 $runcmd rm -r -f $f 298 done 299 fi 300 301 # Recreate $TOOLDIR. 302 mkdirp $TOOLDIR/bin || bomb "mkdir of $TOOLDIR/bin failed" 303 304 # Install nbmake if it was built. 305 if $do_rebuildmake; then 306 $runcmd rm -f $TOOLDIR/bin/nbmake 307 $runcmd cp $make $TOOLDIR/bin/nbmake 308 $runcmd rm -r -f $tmpdir 309 trap 0 1 2 3 15 310 fi 311 312 # Build a nbmake wrapper script, usable by hand as well as by build.sh. 313 if [ -z "$makewrapper" ]; then 314 makewrapper=$TOOLDIR/bin/nbmake-$MACHINE 315 fi 316 317 $runcmd rm -f $makewrapper 318 if [ "$runcmd" = "echo" ]; then 319 echo 'cat <<EOF >'$makewrapper 320 makewrapout= 321 else 322 makewrapout=">>$makewrapper" 323 fi 324 325 eval cat <<EOF $makewrapout 326 #! /bin/sh 327 # Set proper variables to allow easy "make" building of a NetBSD subtree. 328 # Generated from: \$NetBSD: build.sh,v 1.29 2001/12/03 08:18:00 jmc Exp $ 329 # 330 331 EOF 332 for f in $makeenv; do 333 eval echo "$f=\'\$`echo $f`\'\;\ export\ $f" $makewrapout 334 done 335 eval echo "USETOOLS=yes\; export USETOOLS" $makewrapout 336 337 eval cat <<EOF $makewrapout 338 339 exec \$TOOLDIR/bin/nbmake \${1+"\$@"} 340 EOF 341 [ "$runcmd" = "echo" ] && echo EOF 342 $runcmd chmod +x $makewrapper 343 344 if $do_buildsystem; then 345 ${runcmd-exec} $makewrapper $buildtarget 346 elif $do_buildonlytools; then 347 if [ "$MKOBJDIRS" != "no" ]; then 348 $runcmd $makewrapper obj-tools || exit 1 349 fi 350 $runcmd cd tools 351 ${runcmd-exec} $makewrapper cleandir dependall install 352 fi 353
Indexes created Tue Sep 30 17:09:57 GMT 2025