build.sh revision 1.15
1 #! /bin/sh 2 # $NetBSD: build.sh,v 1.15 2001/10/31 19:59:43 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 $MACHINE in 21 arm26|dnard|evbarm|hpcarm|netwinder) 22 MACHINE_ARCH=arm;; 23 24 acorn32|arm32|cats) 25 MACHINE_ARCH=arm32;; 26 27 sun2) 28 MACHINE_ARCH=m68000;; 29 30 amiga|atari|cesfic|hp300|sun3|*68k) 31 MACHINE_ARCH=m68k;; 32 33 mipsco|newsmips|sgimips) 34 MACHINE_ARCH=mipseb;; 35 36 algor|arc|cobalt|hpcmips|playstation2|pmax) 37 MACHINE_ARCH=mipsel;; 38 39 pc532) 40 MACHINE_ARCH=ns32k;; 41 42 bebox|prep|sandpoint|walnut|*ppc) 43 MACHINE_ARCH=powerpc;; 44 45 mmeye) 46 MACHINE_ARCH=sh3eb;; 47 48 dreamcast|evbsh3|hpcsh) 49 MACHINE_ARCH=sh3el;; 50 51 alpha|i386|sparc|sparc64|vax|x86_64) 52 MACHINE_ARCH=$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 " -u: set UPDATE (overrides mk.conf)" 100 echo " -w: create nbmake script at wrapper (default TOOLDIR/bin/nbmake-MACHINE)" 101 echo " -D: set DESTDIR to dest (overrides mk.conf)" 102 echo " -O: set obj root directory to obj (sets a MAKEOBJDIR pattern)" 103 echo " -R: build a release (and set RELEASEDIR to release)" 104 echo " -T: set TOOLDIR to tools (overrides mk.conf)" 105 echo "" 106 echo "Note: if -T is unset and TOOLDIR is not set in the environment," 107 echo " nbmake will be [re]built unconditionally." 108 exit 1 109 } 110 111 # Set defaults. 112 buildtarget=build 113 cwd=`pwd` 114 do_buildsystem=true 115 do_rebuildmake=false 116 do_removedirs=false 117 makeenv='exec' 118 makeflags='' 119 makewrapper='' 120 opt_a=no 121 opts='a:bhj:m:noruw:D:O:R:T:' 122 runcmd='' 123 124 if type getopts >/dev/null 2>&1; then 125 # Use POSIX getopts. 126 getoptcmd='getopts $opts opt && opt=-$opt' 127 optargcmd=':' 128 else 129 type getopt >/dev/null 2>&1 || bomb "/bin/sh shell is too old; try ksh" 130 131 # Use old-style getopt(1) (doesn't handle whitespace in args). 132 args="`getopt $opts $*`" 133 [ $? = 0 ] || usage 134 set -- $args 135 136 getoptcmd='[ $# -gt 0 ] && opt="$1" && shift' 137 optargcmd='OPTARG="$1"; shift' 138 fi 139 140 # Parse command line options. 141 while eval $getoptcmd; do case $opt in 142 -a) eval $optargcmd 143 MACHINE_ARCH=$OPTARG; opt_a=yes;; 144 145 -b) do_buildsystem=false;; 146 147 -j) eval $optargcmd 148 makeflags="$makeflags NBUILDJOBS=$OPTARG";; 149 150 # -m overrides MACHINE_ARCH unless "-a" is specified 151 -m) eval $optargcmd 152 MACHINE=$OPTARG; [ "$opt_a" != "yes" ] && getarch;; 153 154 -n) runcmd=echo;; 155 156 -o) MKOBJDIRS=no;; 157 158 -r) do_removedirs=true; do_rebuildmake=true;; 159 160 -u) makeflags="$makeflags UPDATE=yes";; 161 162 -w) eval $optargcmd; resolvepath 163 makewrapper="$OPTARG";; 164 165 -D) eval $optargcmd; resolvepath 166 makeflags="$makeflags DESTDIR='$OPTARG'";; 167 168 -O) eval $optargcmd; resolvepath 169 makeenv="env MAKEOBJDIR='\${.CURDIR:C,^$cwd,$OPTARG,}'" 170 MAKEOBJDIR="\${.CURDIR:C,^$cwd,$OPTARG,}"; export MAKEOBJDIR 171 execcmd='';; 172 173 -R) eval $optargcmd; resolvepath 174 makeflags="$makeflags RELEASEDIR=$OPTARG" 175 buildtarget=release;; 176 177 -T) eval $optargcmd; resolvepath 178 TOOLDIR="$OPTARG" 179 makeflags="$makeflags TOOLDIR='$TOOLDIR'";; 180 181 --) break;; 182 -'?'|-h) usage;; 183 esac; done 184 185 # Set up MACHINE*. On a NetBSD host, these are allowed to be unset. 186 if [ -z "$MACHINE" ]; then 187 if [ "`uname -s 2>/dev/null`" != "NetBSD" ]; then 188 echo "MACHINE must be set, or -m must be used, for cross builds." 189 echo ""; usage 190 fi 191 MACHINE=`uname -m` 192 fi 193 [ -n "$MACHINE_ARCH" ] || getarch 194 195 # Set up default make(1) environment. 196 makeflags="-m $cwd/share/mk $makeflags \ 197 MACHINE=$MACHINE MACHINE_ARCH=$MACHINE_ARCH \ 198 MKOBJDIRS=${MKOBJDIRS-yes}" 199 200 # Test make source file timestamps against installed nbmake binary, 201 # if TOOLDIR is pre-set. 202 make=${TOOLDIR-nonexistent}/bin/nbmake 203 if [ -x $make ]; then 204 for f in usr.bin/make/*.[ch] usr.bin/make/lst.lib/*.[ch]; do 205 if [ $f -nt $make ]; then 206 do_rebuildmake=true; break 207 fi 208 done 209 else 210 do_rebuildmake=true 211 fi 212 213 # Build bootstrap nbmake if needed. 214 if $do_rebuildmake; then 215 echo "===> Bootstrapping nbmake" 216 tmpdir=${TMPDIR-/tmp}/nbbuild$$ 217 218 $runcmd mkdir $tmpdir || bomb "cannot mkdir: $tmpdir" 219 trap "rm -r -f $tmpdir" 0 220 trap "exit 1" 1 2 3 15 221 $runcmd cd $tmpdir 222 223 $runcmd ${HOST_CC-cc} ${HOST_CFLAGS} -DMAKE_BOOTSTRAP \ 224 -o nbmake -I$cwd/usr.bin/make \ 225 $cwd/usr.bin/make/*.c $cwd/usr.bin/make/lst.lib/*.c \ 226 || bomb "build of nbmake failed" 227 228 make=$tmpdir/nbmake 229 $runcmd cd $cwd 230 $runcmd rm -f usr.bin/make/*.o usr.bin/make/lst.lib/*.o 231 fi 232 233 # If TOOLDIR isn't already set, make objdirs in "tools" in case the 234 # default setting from <bsd.own.mk> is used. 235 if [ -z "$TOOLDIR" ] && [ "$MKOBJDIRS" != "no" ]; then 236 $runcmd $make $makeflags obj-tools || exit 1 237 fi 238 239 # Find DESTDIR and TOOLDIR. 240 if [ "$runcmd" = "echo" ]; then 241 DESTDIR='$DESTDIR' 242 TOOLDIR='$TOOLDIR' 243 else 244 DESTDIR=`getmakevar DESTDIR`; echo "===> DESTDIR path: $DESTDIR" 245 TOOLDIR=`getmakevar TOOLDIR`; echo "===> TOOLDIR path: $TOOLDIR" 246 fi 247 248 # Check validity of TOOLDIR and DESTDIR. 249 if [ -z "$TOOLDIR" ] || [ "$TOOLDIR" = "/" ]; then 250 bomb "TOOLDIR '$TOOLDIR' invalid" 251 fi 252 removedirs="$TOOLDIR" 253 254 if [ -z "$DESTDIR" ] || [ "$DESTDIR" = "/" ]; then 255 if [ "$buildtarget" = "release" ] || \ 256 [ "`uname -s 2>/dev/null`" != "NetBSD" ] || \ 257 [ "`uname -m`" != "$MACHINE" ]; then 258 bomb "DESTDIR must be set to a non-root path for cross builds or -R." 259 fi 260 echo "===> WARNING: Building to /." 261 echo "===> If your kernel is not up to date, this may cause the system to break!" 262 else 263 removedirs="$removedirs $DESTDIR" 264 fi 265 266 # Remove the target directories. 267 if $do_removedirs; then 268 for f in $removedirs; do 269 echo "===> Removing $f" 270 $runcmd rm -r -f $f 271 done 272 fi 273 274 # Recreate $TOOLDIR. 275 mkdirp $TOOLDIR/bin || bomb "mkdir of $TOOLDIR/bin failed" 276 277 # Install nbmake if it was built. 278 if $do_rebuildmake; then 279 $runcmd rm -f $TOOLDIR/bin/nbmake 280 $runcmd cp $make $TOOLDIR/bin/nbmake 281 $runcmd rm -r -f $tmpdir 282 trap 0 1 2 3 15 283 fi 284 285 # Build a nbmake wrapper script, usable by hand as well as by build.sh. 286 if [ -z "$makewrapper" ]; then 287 makewrapper=$TOOLDIR/bin/nbmake-$MACHINE 288 fi 289 290 if $do_rebuildmake || [ ! -f $makewrapper ] || [ $makewrapper -ot build.sh ]; then 291 rm -f $makewrapper 292 if [ "$runcmd" = "echo" ]; then 293 mkscriptcmd='echo "cat >$makewrapper <<EOF" && cat' 294 else 295 mkscriptcmd="cat >$makewrapper" 296 fi 297 eval $mkscriptcmd <<EOF 298 #! /bin/sh 299 # Set proper variables to allow easy "make" building of a NetBSD subtree. 300 # Generated from: \$NetBSD: build.sh,v 1.15 2001/10/31 19:59:43 tv Exp $ 301 # 302 $makeenv $TOOLDIR/bin/nbmake $makeflags \${1+\$@} 303 EOF 304 [ "$runcmd" = "echo" ] && echo EOF 305 $runcmd chmod +x $makewrapper 306 fi 307 308 if $do_buildsystem; then 309 ${runcmd-exec} $makewrapper $buildtarget 310 fi 311
Indexes created Wed Oct 01 19:09:53 GMT 2025