build.sh revision 1.24
1 #! /bin/sh 2 # $NetBSD: build.sh,v 1.24 2001/11/13 19:03:08 tv 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 [-boru] [-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 " -j: set NBUILDJOBS to njob" 95 echo " -m: set MACHINE to mach (not required if NetBSD native)" 96 echo " -n: show commands that would be executed, but do not execute them" 97 echo " -o: set MKOBJDIRS=no (do not create objdirs at start of build)" 98 echo " -r: remove contents of TOOLDIR and DESTDIR before building" 99 echo " -t: build and install tools only (implies -b)" 100 echo " -u: set UPDATE" 101 echo " -w: create nbmake script at wrapper (default TOOLDIR/bin/nbmake-MACHINE)" 102 echo " -D: set DESTDIR to dest" 103 echo " -O: set obj root directory to obj (sets a MAKEOBJDIR pattern)" 104 echo " -R: build a release (and set RELEASEDIR to release)" 105 echo " -T: set TOOLDIR to tools" 106 echo "" 107 echo "Note: if -T is unset and TOOLDIR is not set in the environment," 108 echo " nbmake will be [re]built unconditionally." 109 exit 1 110 } 111 112 # Set defaults. 113 MAKEFLAGS= 114 buildtarget=build 115 cwd=`pwd` 116 do_buildsystem=true 117 do_buildonlytools=false 118 do_rebuildmake=false 119 do_removedirs=false 120 makeenv= 121 makewrapper= 122 opt_a=no 123 opts='a:bhj:m:nortuw:D:O:R:T:' 124 runcmd= 125 126 if type getopts >/dev/null 2>&1; then 127 # Use POSIX getopts. 128 getoptcmd='getopts $opts opt && opt=-$opt' 129 optargcmd=':' 130 else 131 type getopt >/dev/null 2>&1 || bomb "/bin/sh shell is too old; try ksh" 132 133 # Use old-style getopt(1) (doesn't handle whitespace in args). 134 args="`getopt $opts $*`" 135 [ $? = 0 ] || usage 136 set -- $args 137 138 getoptcmd='[ $# -gt 0 ] && opt="$1" && shift' 139 optargcmd='OPTARG="$1"; shift' 140 fi 141 142 # Parse command line options. 143 while eval $getoptcmd; do case $opt in 144 -a) eval $optargcmd 145 MACHINE_ARCH=$OPTARG; opt_a=yes;; 146 147 -b) do_buildsystem=false;; 148 149 -j) eval $optargcmd 150 MAKEFLAGS="$MAKEFLAGS NBUILDJOBS=$OPTARG"; export MAKEFLAGS;; 151 152 # -m overrides MACHINE_ARCH unless "-a" is specified 153 -m) eval $optargcmd 154 MACHINE=$OPTARG; [ "$opt_a" != "yes" ] && getarch;; 155 156 -n) runcmd=echo;; 157 158 -o) MKOBJDIRS=no;; 159 160 -r) do_removedirs=true; do_rebuildmake=true;; 161 162 -t) do_buildonlytools=true; do_buildsystem=false;; 163 164 -u) UPDATE=yes; export UPDATE 165 makeenv="$makeenv UPDATE";; 166 167 -w) eval $optargcmd; resolvepath 168 makewrapper="$OPTARG";; 169 170 -D) eval $optargcmd; resolvepath 171 DESTDIR="$OPTARG"; export DESTDIR 172 makeenv="$makeenv DESTDIR";; 173 174 -O) eval $optargcmd; resolvepath 175 MAKEOBJDIR="\${.CURDIR:C,^$cwd,$OPTARG,}"; export MAKEOBJDIR 176 makeenv="$makeenv MAKEOBJDIR";; 177 178 -R) eval $optargcmd; resolvepath 179 RELEASEDIR=$OPTARG; export RELEASEDIR 180 makeenv="$makeenv RELEASEDIR" 181 buildtarget=release;; 182 183 -T) eval $optargcmd; resolvepath 184 TOOLDIR="$OPTARG"; export TOOLDIR;; 185 186 --) break;; 187 -'?'|-h) usage;; 188 esac; done 189 190 # Set up MACHINE*. On a NetBSD host, these are allowed to be unset. 191 if [ -z "$MACHINE" ]; then 192 if [ "`uname -s 2>/dev/null`" != "NetBSD" ]; then 193 echo "MACHINE must be set, or -m must be used, for cross builds." 194 echo ""; usage 195 fi 196 MACHINE=`uname -m` 197 fi 198 [ -n "$MACHINE_ARCH" ] || getarch 199 200 # Set up default make(1) environment. 201 makeenv="$makeenv TOOLDIR MACHINE MACHINE_ARCH MAKEFLAGS" 202 MAKEFLAGS="-m $cwd/share/mk $MAKEFLAGS MKOBJDIRS=${MKOBJDIRS-yes}" 203 export MAKEFLAGS MACHINE MACHINE_ARCH 204 205 # Test make source file timestamps against installed nbmake binary, 206 # if TOOLDIR is pre-set. 207 make=${TOOLDIR-nonexistent}/bin/nbmake 208 if [ -x $make ]; then 209 for f in usr.bin/make/*.[ch] usr.bin/make/lst.lib/*.[ch]; do 210 if [ $f -nt $make ]; then 211 do_rebuildmake=true; break 212 fi 213 done 214 else 215 do_rebuildmake=true 216 fi 217 218 # Build bootstrap nbmake if needed. 219 if $do_rebuildmake; then 220 $runcmd echo "===> Bootstrapping nbmake" 221 tmpdir=${TMPDIR-/tmp}/nbbuild$$ 222 223 $runcmd mkdir $tmpdir || bomb "cannot mkdir: $tmpdir" 224 trap "rm -r -f $tmpdir" 0 225 trap "exit 1" 1 2 3 15 226 $runcmd cd $tmpdir 227 228 $runcmd ${HOST_CC-cc} ${HOST_CFLAGS} -DMAKE_BOOTSTRAP \ 229 -o nbmake -I$cwd/usr.bin/make \ 230 $cwd/usr.bin/make/*.c $cwd/usr.bin/make/lst.lib/*.c \ 231 || bomb "build of nbmake failed" 232 233 make=$tmpdir/nbmake 234 $runcmd cd $cwd 235 $runcmd rm -f usr.bin/make/*.o usr.bin/make/lst.lib/*.o 236 fi 237 238 # If TOOLDIR isn't already set, make objdirs in "tools" in case the 239 # default setting from <bsd.own.mk> is used. 240 if [ -z "$TOOLDIR" ] && [ "$MKOBJDIRS" != "no" ]; then 241 $runcmd cd tools 242 $runcmd $make obj NOSUBDIR= || exit 1 243 $runcmd cd .. 244 fi 245 246 # Find DESTDIR and TOOLDIR. 247 if [ "$runcmd" = "echo" ]; then 248 # shown symbolically with -n because these may come from mk.conf 249 DESTDIR='$DESTDIR' 250 TOOLDIR='$TOOLDIR' 251 else 252 DESTDIR=`getmakevar DESTDIR`; echo "===> DESTDIR path: $DESTDIR" 253 TOOLDIR=`getmakevar TOOLDIR`; echo "===> TOOLDIR path: $TOOLDIR" 254 export DESTDIR TOOLDIR 255 fi 256 257 # Check validity of TOOLDIR and DESTDIR. 258 if [ -z "$TOOLDIR" ] || [ "$TOOLDIR" = "/" ]; then 259 bomb "TOOLDIR '$TOOLDIR' invalid" 260 fi 261 removedirs="$TOOLDIR" 262 263 if [ -z "$DESTDIR" ] || [ "$DESTDIR" = "/" ]; then 264 if $do_buildsystem && \ 265 ([ "$buildtarget" = "release" ] || \ 266 [ "`uname -s 2>/dev/null`" != "NetBSD" ] || \ 267 [ "`uname -m`" != "$MACHINE" ]); then 268 bomb "DESTDIR must be set to a non-root path for cross builds or -R." 269 elif $do_buildsystem; then 270 echo "===> WARNING: Building to /." 271 echo "===> If your kernel is not up to date, this may cause the system to break!" 272 fi 273 else 274 removedirs="$removedirs $DESTDIR" 275 fi 276 277 # Remove the target directories. 278 if $do_removedirs; then 279 for f in $removedirs; do 280 echo "===> Removing $f" 281 $runcmd rm -r -f $f 282 done 283 fi 284 285 # Recreate $TOOLDIR. 286 mkdirp $TOOLDIR/bin || bomb "mkdir of $TOOLDIR/bin failed" 287 288 # Install nbmake if it was built. 289 if $do_rebuildmake; then 290 $runcmd rm -f $TOOLDIR/bin/nbmake 291 $runcmd cp $make $TOOLDIR/bin/nbmake 292 $runcmd rm -r -f $tmpdir 293 trap 0 1 2 3 15 294 fi 295 296 # Build a nbmake wrapper script, usable by hand as well as by build.sh. 297 if [ -z "$makewrapper" ]; then 298 makewrapper=$TOOLDIR/bin/nbmake-$MACHINE 299 fi 300 301 $runcmd rm -f $makewrapper 302 if [ "$runcmd" = "echo" ]; then 303 echo 'cat <<EOF >'$makewrapper 304 makewrapout= 305 else 306 makewrapout=">>$makewrapper" 307 fi 308 309 eval cat <<EOF $makewrapout 310 #! /bin/sh 311 # Set proper variables to allow easy "make" building of a NetBSD subtree. 312 # Generated from: \$NetBSD: build.sh,v 1.24 2001/11/13 19:03:08 tv Exp $ 313 # 314 315 EOF 316 for f in $makeenv; do 317 eval echo "$f=\'\$`echo $f`\'\;\ export\ $f" $makewrapout 318 done 319 eval echo "USETOOLS=yes\; export USETOOLS" $makewrapout 320 321 eval cat <<EOF $makewrapout 322 323 exec \$TOOLDIR/bin/nbmake \${1+"\$@"} 324 EOF 325 [ "$runcmd" = "echo" ] && echo EOF 326 $runcmd chmod +x $makewrapper 327 328 if $do_buildsystem; then 329 ${runcmd-exec} $makewrapper $buildtarget 330 elif $do_buildonlytools; then 331 if [ "$MKOBJDIRS" != "no" ]; then 332 $runcmd $makewrapper obj-tools || exit 1 333 fi 334 $runcmd cd tools 335 ${runcmd-exec} $makewrapper dependall install 336 fi 337
Indexes created Tue Sep 30 20:09:53 GMT 2025