build.sh revision 1.17
1 #! /bin/sh 2 # $NetBSD: build.sh,v 1.17 2001/11/01 01:49:44 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 $MACHINE in 21 arm26|dnard|evbarm|hpcarm|netwinder) 22 MACHINE_ARCH=arm;; 23 24 acorn32|arm32|cats) 25 MACHINE_ARCH=arm32;; 26 27 sun2) 28 MACHINE_ARCH=m68000;; 29 30 amiga|atari|cesfic|hp300|sun3|*68k) 31 MACHINE_ARCH=m68k;; 32 33 mipsco|newsmips|sgimips) 34 MACHINE_ARCH=mipseb;; 35 36 algor|arc|cobalt|hpcmips|playstation2|pmax) 37 MACHINE_ARCH=mipsel;; 38 39 pc532) 40 MACHINE_ARCH=ns32k;; 41 42 bebox|prep|sandpoint|walnut|*ppc) 43 MACHINE_ARCH=powerpc;; 44 45 mmeye) 46 MACHINE_ARCH=sh3eb;; 47 48 dreamcast|evbsh3|hpcsh) 49 MACHINE_ARCH=sh3el;; 50 51 alpha|i386|sparc|sparc64|vax|x86_64) 52 MACHINE_ARCH=$MACHINE;; 53 54 *) bomb "unknown target MACHINE: $MACHINE";; 55 esac 56 } 57 58 getmakevar () { 59 cat <<EOF | $make -s -f- $makeflags _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 (overrides mk.conf)" 101 echo " -w: create nbmake script at wrapper (default TOOLDIR/bin/nbmake-MACHINE)" 102 echo " -D: set DESTDIR to dest (overrides mk.conf)" 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 (overrides mk.conf)" 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 buildtarget=build 114 cwd=`pwd` 115 do_buildsystem=true 116 do_buildonlytools=false 117 do_rebuildmake=false 118 do_removedirs=false 119 makeenv='exec' 120 makeflags='' 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";; 151 152 # -m overrides MACHINE_ARCH unless "-a" is specified 153 -m) eval $optargcmd 154 MACHINE=$OPTARG; [ "$opt_a" != "yes" ] && getarch;; 155 156 -n) runcmd=echo;; 157 158 -o) MKOBJDIRS=no;; 159 160 -r) do_removedirs=true; do_rebuildmake=true;; 161 162 -t) do_buildonlytools=true; do_buildsystem=false;; 163 164 -u) makeflags="$makeflags UPDATE=yes";; 165 166 -w) eval $optargcmd; resolvepath 167 makewrapper="$OPTARG";; 168 169 -D) eval $optargcmd; resolvepath 170 makeflags="$makeflags DESTDIR='$OPTARG'";; 171 172 -O) eval $optargcmd; resolvepath 173 makeenv="env MAKEOBJDIR='\${.CURDIR:C,^$cwd,$OPTARG,}'" 174 MAKEOBJDIR="\${.CURDIR:C,^$cwd,$OPTARG,}"; export MAKEOBJDIR 175 execcmd='';; 176 177 -R) eval $optargcmd; resolvepath 178 makeflags="$makeflags RELEASEDIR=$OPTARG" 179 buildtarget=release;; 180 181 -T) eval $optargcmd; resolvepath 182 TOOLDIR="$OPTARG" 183 makeflags="$makeflags TOOLDIR='$TOOLDIR'";; 184 185 --) break;; 186 -'?'|-h) usage;; 187 esac; done 188 189 # Set up MACHINE*. On a NetBSD host, these are allowed to be unset. 190 if [ -z "$MACHINE" ]; then 191 if [ "`uname -s 2>/dev/null`" != "NetBSD" ]; then 192 echo "MACHINE must be set, or -m must be used, for cross builds." 193 echo ""; usage 194 fi 195 MACHINE=`uname -m` 196 fi 197 [ -n "$MACHINE_ARCH" ] || getarch 198 199 # Set up default make(1) environment. 200 makeflags="-m $cwd/share/mk $makeflags \ 201 MACHINE=$MACHINE MACHINE_ARCH=$MACHINE_ARCH \ 202 MKOBJDIRS=${MKOBJDIRS-yes}" 203 204 # Test make source file timestamps against installed nbmake binary, 205 # if TOOLDIR is pre-set. 206 make=${TOOLDIR-nonexistent}/bin/nbmake 207 if [ -x $make ]; then 208 for f in usr.bin/make/*.[ch] usr.bin/make/lst.lib/*.[ch]; do 209 if [ $f -nt $make ]; then 210 do_rebuildmake=true; break 211 fi 212 done 213 else 214 do_rebuildmake=true 215 fi 216 217 # Build bootstrap nbmake if needed. 218 if $do_rebuildmake; then 219 echo "===> Bootstrapping nbmake" 220 tmpdir=${TMPDIR-/tmp}/nbbuild$$ 221 222 $runcmd mkdir $tmpdir || bomb "cannot mkdir: $tmpdir" 223 trap "rm -r -f $tmpdir" 0 224 trap "exit 1" 1 2 3 15 225 $runcmd cd $tmpdir 226 227 $runcmd ${HOST_CC-cc} ${HOST_CFLAGS} -DMAKE_BOOTSTRAP \ 228 -o nbmake -I$cwd/usr.bin/make \ 229 $cwd/usr.bin/make/*.c $cwd/usr.bin/make/lst.lib/*.c \ 230 || bomb "build of nbmake failed" 231 232 make=$tmpdir/nbmake 233 $runcmd cd $cwd 234 $runcmd rm -f usr.bin/make/*.o usr.bin/make/lst.lib/*.o 235 fi 236 237 # If TOOLDIR isn't already set, make objdirs in "tools" in case the 238 # default setting from <bsd.own.mk> is used. 239 if [ -z "$TOOLDIR" ] && [ "$MKOBJDIRS" != "no" ]; then 240 $runcmd $make $makeflags obj-tools || exit 1 241 fi 242 243 # Find DESTDIR and TOOLDIR. 244 if [ "$runcmd" = "echo" ]; then 245 DESTDIR='$DESTDIR' 246 TOOLDIR='$TOOLDIR' 247 else 248 DESTDIR=`getmakevar DESTDIR`; echo "===> DESTDIR path: $DESTDIR" 249 TOOLDIR=`getmakevar TOOLDIR`; echo "===> TOOLDIR path: $TOOLDIR" 250 fi 251 252 # Check validity of TOOLDIR and DESTDIR. 253 if [ -z "$TOOLDIR" ] || [ "$TOOLDIR" = "/" ]; then 254 bomb "TOOLDIR '$TOOLDIR' invalid" 255 fi 256 removedirs="$TOOLDIR" 257 258 if [ -z "$DESTDIR" ] || [ "$DESTDIR" = "/" ]; then 259 if $do_buildsystem && \ 260 ([ "$buildtarget" = "release" ] || \ 261 [ "`uname -s 2>/dev/null`" != "NetBSD" ] || \ 262 [ "`uname -m`" != "$MACHINE" ]); then 263 bomb "DESTDIR must be set to a non-root path for cross builds or -R." 264 elif $do_buildsystem; then 265 echo "===> WARNING: Building to /." 266 echo "===> If your kernel is not up to date, this may cause the system to break!" 267 fi 268 else 269 removedirs="$removedirs $DESTDIR" 270 fi 271 272 # Remove the target directories. 273 if $do_removedirs; then 274 for f in $removedirs; do 275 echo "===> Removing $f" 276 $runcmd rm -r -f $f 277 done 278 fi 279 280 # Recreate $TOOLDIR. 281 mkdirp $TOOLDIR/bin || bomb "mkdir of $TOOLDIR/bin failed" 282 283 # Install nbmake if it was built. 284 if $do_rebuildmake; then 285 $runcmd rm -f $TOOLDIR/bin/nbmake 286 $runcmd cp $make $TOOLDIR/bin/nbmake 287 $runcmd rm -r -f $tmpdir 288 trap 0 1 2 3 15 289 fi 290 291 # Build a nbmake wrapper script, usable by hand as well as by build.sh. 292 if [ -z "$makewrapper" ]; then 293 makewrapper=$TOOLDIR/bin/nbmake-$MACHINE 294 fi 295 296 if $do_rebuildmake || [ ! -f $makewrapper ] || [ $makewrapper -ot build.sh ]; then 297 rm -f $makewrapper 298 if [ "$runcmd" = "echo" ]; then 299 mkscriptcmd='echo "cat >$makewrapper <<EOF" && cat' 300 else 301 mkscriptcmd="cat >$makewrapper" 302 fi 303 eval $mkscriptcmd <<EOF 304 #! /bin/sh 305 # Set proper variables to allow easy "make" building of a NetBSD subtree. 306 # Generated from: \$NetBSD: build.sh,v 1.17 2001/11/01 01:49:44 thorpej Exp $ 307 # 308 $makeenv $TOOLDIR/bin/nbmake $makeflags \${1+\$@} 309 EOF 310 [ "$runcmd" = "echo" ] && echo EOF 311 $runcmd chmod +x $makewrapper 312 fi 313 314 if $do_buildsystem; then 315 ${runcmd-exec} $makewrapper $buildtarget 316 elif $do_buildonlytools; then 317 if [ "$MKOBJDIRS" != "no" ]; then 318 $make $makeflags obj-tools || exit 1 319 fi 320 ${runcmd-exec} sh -c "cd tools && \ 321 $make $makeflags MKTOOLS=always build" 322 fi 323
Indexes created Mon Oct 27 20:09:55 GMT 2025