build.sh revision 1.14
1 #! /bin/sh 2 # $NetBSD: build.sh,v 1.14 2001/10/31 18:23:55 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 17 getarch () { 18 # Translate a MACHINE into a default MACHINE_ARCH. 19 case $MACHINE in 20 arm26|dnard|evbarm|hpcarm|netwinder) 21 MACHINE_ARCH=arm;; 22 23 acorn32|arm32|cats) 24 MACHINE_ARCH=arm32;; 25 26 sun2) 27 MACHINE_ARCH=m68000;; 28 29 amiga|atari|cesfic|hp300|sun3|*68k) 30 MACHINE_ARCH=m68k;; 31 32 mipsco|newsmips|sgimips) 33 MACHINE_ARCH=mipseb;; 34 35 algor|arc|cobalt|hpcmips|playstation2|pmax) 36 MACHINE_ARCH=mipsel;; 37 38 pc532) 39 MACHINE_ARCH=ns32k;; 40 41 bebox|prep|sandpoint|walnut|*ppc) 42 MACHINE_ARCH=powerpc;; 43 44 mmeye) 45 MACHINE_ARCH=sh3eb;; 46 47 dreamcast|evbsh3|hpcsh) 48 MACHINE_ARCH=sh3el;; 49 50 alpha|i386|sparc|sparc64|vax|x86_64) 51 MACHINE_ARCH=$MACHINE;; 52 53 *) bomb "unknown target MACHINE: $MACHINE";; 54 esac 55 } 56 57 # Emulate "mkdir -p" for systems that have an Old "mkdir". 58 mkdirp () { 59 IFS=/; set -- $@; unset IFS 60 _d= 61 if [ "$1" = "" ]; then _d=/; shift; fi 62 63 for _f in "$@"; do 64 if [ "$_f" != "" ]; then 65 [ -d "$_d$_f" ] || $runcmd mkdir "$_d$_f" || return 1 66 _d="$_d$_f/" 67 fi 68 done 69 } 70 71 resolvepath () { 72 case $OPTARG in 73 /*) ;; 74 *) OPTARG="$cwd/$OPTARG";; 75 esac 76 } 77 78 usage () { 79 echo "Usage:" 80 echo "$0 [-oru] [-a arch] [-j njob] [-m mach]" 81 echo " [-D dest] [-O obj] [-R release] [-T tools]" 82 echo " -m: set target MACHINE to mach (REQUIRED)" 83 echo " -D: set DESTDIR to dest (REQUIRED unless -b is specified)" 84 echo " -T: set TOOLDIR to tools (REQUIRED)" 85 echo "" 86 echo " -a: set target MACHINE_ARCH to arch (otherwise deduced from MACHINE)" 87 echo " -b: do not build the system; just build nbmake if required." 88 echo " -j: set NBUILDJOBS to njob" 89 echo " -n: show commands that would be executed, but do not execute them" 90 echo " -o: do not create objdirs at start of build (sets MKOBJDIRS=no)" 91 echo " -r: remove TOOLDIR and DESTDIR before building" 92 echo " -u: do not clobber up-to-date files (sets UPDATE)" 93 echo " -O: set obj root directory to obj (sets a MAKEOBJDIR pattern)" 94 echo " -R: build a release (set RELEASEDIR) to release" 95 exit 1 96 } 97 98 # Set defaults. 99 MKOBJDIRS=yes 100 buildtarget=build 101 cwd=`pwd` 102 do_buildsystem=true 103 do_rebuildmake=false 104 do_removedirs=false 105 extraenv='' 106 extraflags='' 107 opt_a=no 108 opts='a:bhj:m:noruD:O:R:T:' 109 runcmd='' 110 111 if type getopts >/dev/null 2>&1; then 112 # Use POSIX getopts. 113 getoptcmd='getopts $opts opt && opt=-$opt' 114 optargcmd=':' 115 else 116 type getopt >/dev/null 2>&1 || bomb "/bin/sh shell is too old; try ksh" 117 118 # Use old-style getopt(1) (doesn't handle whitespace in args). 119 args="`getopt $opts $*`" 120 [ $? = 0 ] || usage 121 set -- $args 122 123 getoptcmd='[ $# -gt 0 ] && opt="$1" && shift' 124 optargcmd='OPTARG="$1"; shift' 125 fi 126 127 # Parse command line options. 128 while eval $getoptcmd; do case $opt in 129 -a) eval $optargcmd 130 MACHINE_ARCH=$OPTARG; opt_a=yes;; 131 132 -b) do_buildsystem=false;; 133 134 -j) eval $optargcmd 135 extraflags="$extraflags NBUILDJOBS=$OPTARG";; 136 137 # -m overrides MACHINE_ARCH unless "-a" is specified 138 -m) eval $optargcmd 139 MACHINE=$OPTARG; [ "$opt_a" != "yes" ] && getarch;; 140 141 -n) runcmd=echo;; 142 143 -o) MKOBJDIRS=no;; 144 145 -r) do_removedirs=true; do_rebuildmake=true;; 146 147 -u) extraflags="$extraflags UPDATE=yes";; 148 149 -D) eval $optargcmd; resolvepath 150 DESTDIR="$OPTARG";; 151 152 -O) eval $optargcmd; resolvepath 153 extraenv="$extraenv MAKEOBJDIR=\${.CURDIR:C,^$cwd,$OPTARG,}";; 154 155 -R) eval $optargcmd; resolvepath 156 extraflags="$extraflags RELEASEDIR=$OPTARG"; buildtarget=release;; 157 158 -T) eval $optargcmd; resolvepath 159 TOOLDIR="$OPTARG";; 160 161 --) break;; 162 -'?'|-h) usage;; 163 esac; done 164 165 # Check required environment; DESTDIR only needed if building. 166 checkvars='MACHINE TOOLDIR' 167 $do_buildsystem && checkvars="$checkvars DESTDIR" 168 169 for var in $checkvars; do 170 if ! eval '[ -n "$'$var'" ]'; then 171 echo "$var must be set in the environment before running build.sh." 172 echo ""; usage 173 fi 174 done 175 176 # Set up environment. 177 [ -n "$MACHINE_ARCH" ] || getarch 178 [ -d usr.bin/make ] || bomb "build.sh must be run from the top source level" 179 180 # Remove the target directories. 181 if $do_removedirs; then 182 dir1=`cd $DESTDIR;pwd` 183 dir2=`cd $TOOLDIR;pwd` 184 if [ "$dir1" = "/" ] || [ "$dir2" = "/" ]; then 185 echo "Will not remove /, please check DESTDIR and TOOLDIR settings" 186 echo 187 echo "DESTDIR: $DESTDIR" 188 echo "TOOLDIR: $TOOLDIR" 189 exit 1 190 fi 191 echo "Removing DESTDIR and TOOLDIR...." 192 $runcmd rm -rf $DESTDIR $TOOLDIR 193 fi 194 195 mkdirp $TOOLDIR/bin || bomb "mkdir of $TOOLDIR/bin failed" 196 197 # Test make source file timestamps against installed nbmake binary. 198 if [ -x $TOOLDIR/bin/nbmake ]; then 199 for f in usr.bin/make/*.[ch] usr.bin/make/lst.lib/*.[ch]; do 200 if [ $f -nt $TOOLDIR/bin/nbmake ]; then 201 do_rebuildmake=true; break 202 fi 203 done 204 else 205 do_rebuildmake=true 206 fi 207 208 # Build $TOOLDIR/bin/nbmake. 209 if $do_rebuildmake; then 210 echo "Building nbmake...." 211 212 # Go to a temporary directory in case building .o's happens. 213 tmpdir=${TMPDIR-/tmp}/nbbuild$$ 214 215 $runcmd mkdir $tmpdir || bomb "cannot mkdir: $tmpdir" 216 trap "rm -r -f $tmpdir" 0 217 trap "exit 1" 1 2 3 15 218 $runcmd cd $tmpdir 219 220 $runcmd ${HOST_CC-cc} ${HOST_CFLAGS} -DMAKE_BOOTSTRAP \ 221 -o $TOOLDIR/bin/nbmake -I$cwd/usr.bin/make \ 222 $cwd/usr.bin/make/*.c $cwd/usr.bin/make/lst.lib/*.c \ 223 || bomb "build of nbmake failed" 224 225 # Clean up. 226 $runcmd cd $cwd 227 $runcmd rm -r -f $tmpdir 228 trap 0 1 2 3 15 229 230 # Some compilers are just *that* braindead. 231 $runcmd rm -f $cwd/usr.bin/make/*.o $cwd/usr.bin/make/lst.lib/*.o 232 fi 233 234 # Build a nbmake wrapper script, usable by hand as well as by build.sh. 235 makeprog=$TOOLDIR/bin/nbmake-$MACHINE 236 237 if $do_rebuildmake || [ ! -f $makeprog ] || [ $makeprog -ot build.sh ]; then 238 rm -f $makeprog 239 if [ "$runcmd" = "echo" ]; then 240 mkscriptcmd='echo "cat >$makeprog <<EOF" && cat' 241 else 242 mkscriptcmd="cat >$makeprog" 243 fi 244 eval $mkscriptcmd <<EOF 245 #! /bin/sh 246 # Set proper variables to allow easy "make" building of a NetBSD subtree. 247 # Generated from: \$NetBSD: build.sh,v 1.14 2001/10/31 18:23:55 jmc Exp $ 248 # 249 exec $TOOLDIR/bin/nbmake MACHINE=$MACHINE MACHINE_ARCH=$MACHINE_ARCH \ 250 USETOOLS=yes USE_NEW_TOOLCHAIN=yes TOOLDIR="$TOOLDIR" \${1+\$@} 251 EOF 252 [ "$runcmd" = "echo" ] && echo EOF 253 $runcmd chmod +x $makeprog 254 fi 255 256 if $do_buildsystem; then 257 ${runcmd-exec} env $extraenv $makeprog -m `pwd`/share/mk \ 258 MKTOOLS=yes DESTDIR="$DESTDIR" TOOLDIR="$TOOLDIR" \ 259 MKOBJDIRS=$MKOBJDIRS $extraflags $buildtarget 260 fi 261
Indexes created Sat Nov 01 05:10:12 GMT 2025