build.sh revision 1.26
1 #! /bin/sh 2 # $NetBSD: build.sh,v 1.26 2001/11/25 18:35:06 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 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,$OPTARG,}"; export MAKEOBJDIR 179 makeenv="$makeenv MAKEOBJDIR";; 180 181 -R) eval $optargcmd; resolvepath 182 RELEASEDIR=$OPTARG; export RELEASEDIR 183 makeenv="$makeenv RELEASEDIR" 184 buildtarget=release;; 185 186 -T) eval $optargcmd; resolvepath 187 TOOLDIR="$OPTARG"; export TOOLDIR;; 188 189 --) break;; 190 -'?'|-h) usage;; 191 esac; done 192 193 # Set up MACHINE*. On a NetBSD host, these are allowed to be unset. 194 if [ -z "$MACHINE" ]; then 195 if [ "`uname -s 2>/dev/null`" != "NetBSD" ]; then 196 echo "MACHINE must be set, or -m must be used, for cross builds." 197 echo ""; usage 198 fi 199 MACHINE=`uname -m` 200 fi 201 [ -n "$MACHINE_ARCH" ] || getarch 202 203 # Set up default make(1) environment. 204 makeenv="$makeenv TOOLDIR MACHINE MACHINE_ARCH MAKEFLAGS" 205 MAKEFLAGS="-m $cwd/share/mk $MAKEFLAGS MKOBJDIRS=${MKOBJDIRS-yes}" 206 export MAKEFLAGS MACHINE MACHINE_ARCH 207 208 # Test make source file timestamps against installed nbmake binary, 209 # if TOOLDIR is pre-set. 210 make=${TOOLDIR-nonexistent}/bin/nbmake 211 if [ -x $make ]; then 212 for f in usr.bin/make/*.[ch] usr.bin/make/lst.lib/*.[ch]; do 213 if [ $f -nt $make ]; then 214 do_rebuildmake=true; break 215 fi 216 done 217 else 218 do_rebuildmake=true 219 fi 220 221 # Build bootstrap nbmake if needed. 222 if $do_rebuildmake; then 223 $runcmd echo "===> Bootstrapping nbmake" 224 tmpdir=${TMPDIR-/tmp}/nbbuild$$ 225 226 $runcmd mkdir $tmpdir || bomb "cannot mkdir: $tmpdir" 227 trap "rm -r -f $tmpdir" 0 228 trap "exit 1" 1 2 3 15 229 $runcmd cd $tmpdir 230 231 $runcmd ${HOST_CC-cc} ${HOST_CFLAGS} -DMAKE_BOOTSTRAP \ 232 -o nbmake -I$cwd/usr.bin/make \ 233 $cwd/usr.bin/make/*.c $cwd/usr.bin/make/lst.lib/*.c \ 234 || bomb "build of nbmake failed" 235 236 make=$tmpdir/nbmake 237 $runcmd cd $cwd 238 $runcmd rm -f usr.bin/make/*.o usr.bin/make/lst.lib/*.o 239 fi 240 241 # If TOOLDIR isn't already set, make objdirs in "tools" in case the 242 # default setting from <bsd.own.mk> is used. 243 if [ -z "$TOOLDIR" ] && [ "$MKOBJDIRS" != "no" ]; then 244 $runcmd cd tools 245 $runcmd $make obj NOSUBDIR= || exit 1 246 $runcmd cd .. 247 fi 248 249 # Find DESTDIR and TOOLDIR. 250 if [ "$runcmd" = "echo" ]; then 251 # shown symbolically with -n because these may come from mk.conf 252 DESTDIR='$DESTDIR' 253 TOOLDIR='$TOOLDIR' 254 else 255 DESTDIR=`getmakevar DESTDIR`; echo "===> DESTDIR path: $DESTDIR" 256 TOOLDIR=`getmakevar TOOLDIR`; echo "===> TOOLDIR path: $TOOLDIR" 257 export DESTDIR TOOLDIR 258 fi 259 260 # Check validity of TOOLDIR and DESTDIR. 261 if [ -z "$TOOLDIR" ] || [ "$TOOLDIR" = "/" ]; then 262 bomb "TOOLDIR '$TOOLDIR' invalid" 263 fi 264 removedirs="$TOOLDIR" 265 266 if [ -z "$DESTDIR" ] || [ "$DESTDIR" = "/" ]; then 267 if $do_buildsystem && \ 268 ([ "$buildtarget" != "build" ] || \ 269 [ "`uname -s 2>/dev/null`" != "NetBSD" ] || \ 270 [ "`uname -m`" != "$MACHINE" ]); then 271 bomb "DESTDIR must be set to a non-root path for cross builds or -d or -R." 272 elif $do_buildsystem; then 273 echo "===> WARNING: Building to /." 274 echo "===> If your kernel is not up to date, this may cause the system to break!" 275 fi 276 else 277 removedirs="$removedirs $DESTDIR" 278 fi 279 280 # Remove the target directories. 281 if $do_removedirs; then 282 for f in $removedirs; do 283 echo "===> Removing $f" 284 $runcmd rm -r -f $f 285 done 286 fi 287 288 # Recreate $TOOLDIR. 289 mkdirp $TOOLDIR/bin || bomb "mkdir of $TOOLDIR/bin failed" 290 291 # Install nbmake if it was built. 292 if $do_rebuildmake; then 293 $runcmd rm -f $TOOLDIR/bin/nbmake 294 $runcmd cp $make $TOOLDIR/bin/nbmake 295 $runcmd rm -r -f $tmpdir 296 trap 0 1 2 3 15 297 fi 298 299 # Build a nbmake wrapper script, usable by hand as well as by build.sh. 300 if [ -z "$makewrapper" ]; then 301 makewrapper=$TOOLDIR/bin/nbmake-$MACHINE 302 fi 303 304 $runcmd rm -f $makewrapper 305 if [ "$runcmd" = "echo" ]; then 306 echo 'cat <<EOF >'$makewrapper 307 makewrapout= 308 else 309 makewrapout=">>$makewrapper" 310 fi 311 312 eval cat <<EOF $makewrapout 313 #! /bin/sh 314 # Set proper variables to allow easy "make" building of a NetBSD subtree. 315 # Generated from: \$NetBSD: build.sh,v 1.26 2001/11/25 18:35:06 thorpej Exp $ 316 # 317 318 EOF 319 for f in $makeenv; do 320 eval echo "$f=\'\$`echo $f`\'\;\ export\ $f" $makewrapout 321 done 322 eval echo "USETOOLS=yes\; export USETOOLS" $makewrapout 323 324 eval cat <<EOF $makewrapout 325 326 exec \$TOOLDIR/bin/nbmake \${1+"\$@"} 327 EOF 328 [ "$runcmd" = "echo" ] && echo EOF 329 $runcmd chmod +x $makewrapper 330 331 if $do_buildsystem; then 332 ${runcmd-exec} $makewrapper $buildtarget 333 elif $do_buildonlytools; then 334 if [ "$MKOBJDIRS" != "no" ]; then 335 $runcmd $makewrapper obj-tools || exit 1 336 fi 337 $runcmd cd tools 338 ${runcmd-exec} $makewrapper cleandir dependall install 339 fi 340
Indexes created Tue Sep 30 17:09:57 GMT 2025