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Annotation of src/build.sh, Revision 1.54

1.1       tv          1: #! /bin/sh
1.54    ! bjh21       2: #  $NetBSD: build.sh,v 1.53 2002/03/21 10:54:50 pk Exp $
1.1       tv          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
1.33      tv          7: # with a strange /bin/sh, "ksh" or "bash" may be an ample alternative.
1.1       tv          8: #
                      9:
                     10: bomb () {
                     11:        echo ""
                     12:        echo "ERROR: $@"
                     13:        echo "*** BUILD ABORTED ***"
                     14:        exit 1
                     15: }
1.15      tv         16: [ -d usr.bin/make ] || bomb "build.sh must be run from the top source level"
1.1       tv         17:
1.29      jmc        18: TOP=`pwd`
                     19:
1.1       tv         20: getarch () {
                     21:        # Translate a MACHINE into a default MACHINE_ARCH.
                     22:        case $MACHINE in
1.54    ! bjh21      23:                acorn26|evbarm|hpcarm|netwinder)
1.1       tv         24:                        MACHINE_ARCH=arm;;
                     25:
1.43      thorpej    26:                acorn32|cats|shark)
1.5       bjh21      27:                        MACHINE_ARCH=arm32;;
                     28:
1.1       tv         29:                sun2)
                     30:                        MACHINE_ARCH=m68000;;
                     31:
                     32:                amiga|atari|cesfic|hp300|sun3|*68k)
                     33:                        MACHINE_ARCH=m68k;;
                     34:
1.50      simonb     35:                mipsco|newsmips|sbmips|sgimips)
1.1       tv         36:                        MACHINE_ARCH=mipseb;;
                     37:
1.51      simonb     38:                algor|arc|cobalt|evbmips|hpcmips|playstation2|pmax)
1.1       tv         39:                        MACHINE_ARCH=mipsel;;
                     40:
                     41:                pc532)
                     42:                        MACHINE_ARCH=ns32k;;
                     43:
1.45      scw        44:                bebox|mvmeppc|prep|sandpoint|walnut|*ppc)
1.1       tv         45:                        MACHINE_ARCH=powerpc;;
                     46:
1.22      msaitoh    47:                evbsh3|mmeye)
1.1       tv         48:                        MACHINE_ARCH=sh3eb;;
                     49:
1.22      msaitoh    50:                dreamcast|hpcsh)
1.1       tv         51:                        MACHINE_ARCH=sh3el;;
                     52:
1.5       bjh21      53:                alpha|i386|sparc|sparc64|vax|x86_64)
1.4       tv         54:                        MACHINE_ARCH=$MACHINE;;
                     55:
                     56:                *)      bomb "unknown target MACHINE: $MACHINE";;
1.1       tv         57:        esac
                     58: }
                     59:
1.47      tv         60: validatearch () {
                     61:        # Ensure that the MACHINE_ARCH exists (and is supported by build.sh).
                     62:        case $MACHINE_ARCH in
1.48      mjl        63:                alpha|arm|i386|m68000|m68k|mipse[bl]|powerpc|sh3e[bl]|sparc|sparc64|vax|x86_64)
1.47      tv         64:                        ;;
                     65:
                     66:                *)      bomb "unknown target MACHINE_ARCH: $MACHINE_ARCH";;
                     67:        esac
                     68: }
                     69:
1.15      tv         70: getmakevar () {
1.30      jmc        71:        $make -m ${TOP}/share/mk -s -f- _x_ <<EOF
1.15      tv         72: _x_:
                     73:        echo \${$1}
                     74: .include <bsd.prog.mk>
                     75: EOF
                     76: }
                     77:
1.10      tv         78: resolvepath () {
                     79:        case $OPTARG in
                     80:        /*)     ;;
                     81:        *)      OPTARG="$cwd/$OPTARG";;
                     82:        esac
                     83: }
                     84:
1.1       tv         85: usage () {
                     86:        echo "Usage:"
1.52      thorpej    87:        echo "$0 [-bdorUu] [-a arch] [-B buildid] [-j njob] [-m mach] "
                     88:        echo "   [-w wrapper] [-D dest] [-O obj] [-R release] [-T tools]"
1.4       tv         89:        echo ""
1.15      tv         90:        echo "    -a: set MACHINE_ARCH to arch (otherwise deduced from MACHINE)"
1.52      thorpej    91:        echo "    -B: set BUILDID to buildid"
1.15      tv         92:        echo "    -b: build nbmake and nbmake wrapper script, if needed"
1.36      wiz        93:        echo "    -D: set DESTDIR to dest"
1.26      thorpej    94:        echo "    -d: build a full distribution into DESTDIR (including etc files)"
1.3       tv         95:        echo "    -j: set NBUILDJOBS to njob"
1.15      tv         96:        echo "    -m: set MACHINE to mach (not required if NetBSD native)"
1.12      tv         97:        echo "    -n: show commands that would be executed, but do not execute them"
1.36      wiz        98:        echo "    -O: set obj root directory to obj (sets a MAKEOBJDIR pattern)"
1.15      tv         99:        echo "    -o: set MKOBJDIRS=no (do not create objdirs at start of build)"
1.36      wiz       100:        echo "    -R: build a release (and set RELEASEDIR to release)"
1.15      tv        101:        echo "    -r: remove contents of TOOLDIR and DESTDIR before building"
1.36      wiz       102:        echo "    -T: set TOOLDIR to tools"
1.16      thorpej   103:        echo "    -t: build and install tools only (implies -b)"
1.44      lukem     104:        echo "    -U: set UNPRIVED"
1.18      tv        105:        echo "    -u: set UPDATE"
1.15      tv        106:        echo "    -w: create nbmake script at wrapper (default TOOLDIR/bin/nbmake-MACHINE)"
                    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."
1.1       tv        110:        exit 1
                    111: }
                    112:
1.10      tv        113: # Set defaults.
1.18      tv        114: MAKEFLAGS=
1.12      tv        115: buildtarget=build
1.10      tv        116: cwd=`pwd`
                    117: do_buildsystem=true
1.16      thorpej   118: do_buildonlytools=false
1.10      tv        119: do_rebuildmake=false
                    120: do_removedirs=false
1.18      tv        121: makeenv=
                    122: makewrapper=
1.10      tv        123: opt_a=no
1.52      thorpej   124: opts='a:B:bdhj:m:nortuw:D:O:R:T:U'
1.18      tv        125: runcmd=
1.4       tv        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
1.33      tv        132:        type getopt >/dev/null 2>&1 || bomb "/bin/sh shell is too old; try ksh or bash"
1.2       tv        133:
1.4       tv        134:        # Use old-style getopt(1) (doesn't handle whitespace in args).
                    135:        args="`getopt $opts $*`"
                    136:        [ $? = 0 ] || usage
                    137:        set -- $args
1.1       tv        138:
1.4       tv        139:        getoptcmd='[ $# -gt 0 ] && opt="$1" && shift'
                    140:        optargcmd='OPTARG="$1"; shift'
                    141: fi
1.10      tv        142:
                    143: # Parse command line options.
1.4       tv        144: while eval $getoptcmd; do case $opt in
                    145:        -a)     eval $optargcmd
                    146:                MACHINE_ARCH=$OPTARG; opt_a=yes;;
1.1       tv        147:
1.52      thorpej   148:        -B)     eval $optargcmd
                    149:                BUILDID=$OPTARG;;
                    150:
1.10      tv        151:        -b)     do_buildsystem=false;;
1.9       jmc       152:
1.26      thorpej   153:        -d)     buildtarget=distribution;;
                    154:
1.4       tv        155:        -j)     eval $optargcmd
1.18      tv        156:                MAKEFLAGS="$MAKEFLAGS NBUILDJOBS=$OPTARG"; export MAKEFLAGS;;
1.1       tv        157:
1.4       tv        158:        # -m overrides MACHINE_ARCH unless "-a" is specified
                    159:        -m)     eval $optargcmd
                    160:                MACHINE=$OPTARG; [ "$opt_a" != "yes" ] && getarch;;
1.3       tv        161:
1.10      tv        162:        -n)     runcmd=echo;;
                    163:
1.12      tv        164:        -o)     MKOBJDIRS=no;;
                    165:
1.10      tv        166:        -r)     do_removedirs=true; do_rebuildmake=true;;
1.1       tv        167:
1.16      thorpej   168:        -t)     do_buildonlytools=true; do_buildsystem=false;;
                    169:
1.44      lukem     170:        -U)     UNPRIVED=yes; export UNPRIVED
                    171:                makeenv="$makeenv UNPRIVED";;
                    172:
1.18      tv        173:        -u)     UPDATE=yes; export UPDATE
                    174:                makeenv="$makeenv UPDATE";;
1.15      tv        175:
                    176:        -w)     eval $optargcmd; resolvepath
                    177:                makewrapper="$OPTARG";;
1.12      tv        178:
1.10      tv        179:        -D)     eval $optargcmd; resolvepath
1.19      dillo     180:                DESTDIR="$OPTARG"; export DESTDIR
1.18      tv        181:                makeenv="$makeenv DESTDIR";;
1.4       tv        182:
1.12      tv        183:        -O)     eval $optargcmd; resolvepath
1.15      tv        184:                MAKEOBJDIR="\${.CURDIR:C,^$cwd,$OPTARG,}"; export MAKEOBJDIR
1.27      jmc       185:                makeobjdir=$OPTARG
1.18      tv        186:                makeenv="$makeenv MAKEOBJDIR";;
1.12      tv        187:
1.10      tv        188:        -R)     eval $optargcmd; resolvepath
1.18      tv        189:                RELEASEDIR=$OPTARG; export RELEASEDIR
                    190:                makeenv="$makeenv RELEASEDIR"
1.15      tv        191:                buildtarget=release;;
1.4       tv        192:
1.10      tv        193:        -T)     eval $optargcmd; resolvepath
1.18      tv        194:                TOOLDIR="$OPTARG"; export TOOLDIR;;
1.4       tv        195:
                    196:        --)             break;;
                    197:        -'?'|-h)        usage;;
1.1       tv        198: esac; done
                    199:
1.15      tv        200: # Set up MACHINE*.  On a NetBSD host, these are allowed to be unset.
                    201: if [ -z "$MACHINE" ]; then
                    202:        if [ "`uname -s 2>/dev/null`" != "NetBSD" ]; then
                    203:                echo "MACHINE must be set, or -m must be used, for cross builds."
1.4       tv        204:                echo ""; usage
                    205:        fi
1.15      tv        206:        MACHINE=`uname -m`
                    207: fi
1.10      tv        208: [ -n "$MACHINE_ARCH" ] || getarch
1.47      tv        209: validatearch
1.3       tv        210:
1.15      tv        211: # Set up default make(1) environment.
1.18      tv        212: makeenv="$makeenv TOOLDIR MACHINE MACHINE_ARCH MAKEFLAGS"
1.52      thorpej   213: if [ ! -z "$BUILDID" ]; then
                    214:        makeenv="$makeenv BUILDID"
                    215: fi
1.18      tv        216: MAKEFLAGS="-m $cwd/share/mk $MAKEFLAGS MKOBJDIRS=${MKOBJDIRS-yes}"
                    217: export MAKEFLAGS MACHINE MACHINE_ARCH
1.15      tv        218:
                    219: # Test make source file timestamps against installed nbmake binary,
                    220: # if TOOLDIR is pre-set.
1.46      tv        221: #
                    222: # Note that we do NOT try to grovel "mk.conf" here to find out if TOOLDIR
                    223: # is set there, because it can contain make variable expansions and other
                    224: # stuff only parseable *after* we have a working nbmake.  So this logic
                    225: # can only work if the user has pre-set TOOLDIR in the environment or
                    226: # used the -T option to build.sh.
                    227: #
1.53      pk        228: make="${TOOLDIR-nonexistent}/bin/nbmake"
1.15      tv        229: if [ -x $make ]; then
1.1       tv        230:        for f in usr.bin/make/*.[ch] usr.bin/make/lst.lib/*.[ch]; do
1.15      tv        231:                if [ $f -nt $make ]; then
1.10      tv        232:                        do_rebuildmake=true; break
1.1       tv        233:                fi
                    234:        done
                    235: else
1.10      tv        236:        do_rebuildmake=true
1.1       tv        237: fi
                    238:
1.15      tv        239: # Build bootstrap nbmake if needed.
1.10      tv        240: if $do_rebuildmake; then
1.18      tv        241:        $runcmd echo "===> Bootstrapping nbmake"
1.53      pk        242:        tmpdir="${TMPDIR-/tmp}/nbbuild$$"
1.4       tv        243:
1.53      pk        244:        $runcmd mkdir "$tmpdir" || bomb "cannot mkdir: $tmpdir"
                    245:        trap "cd /; rm -r -f \"$tmpdir\"" 0
1.4       tv        246:        trap "exit 1" 1 2 3 15
1.53      pk        247:        $runcmd cd "$tmpdir"
1.1       tv        248:
1.40      tv        249:        $runcmd env CC="${HOST_CC-cc}" CPPFLAGS="${HOST_CPPFLAGS}" CFLAGS="${HOST_CFLAGS--O}" LDFLAGS="${HOST_LDFLAGS}" \
1.53      pk        250:                "$cwd/tools/make/configure" || bomb "configure of nbmake failed"
1.39      tv        251:        $runcmd sh buildmake.sh || bomb "build of nbmake failed"
1.1       tv        252:
1.53      pk        253:        make="$tmpdir/nbmake"
                    254:        $runcmd cd "$cwd"
1.15      tv        255:        $runcmd rm -f usr.bin/make/*.o usr.bin/make/lst.lib/*.o
                    256: fi
                    257:
1.53      pk        258: if [ "$runcmd" = "echo" ]; then
                    259:        USE_NEW_TOOLCHAIN=yes
                    260: else
                    261:        USE_NEW_TOOLCHAIN=`getmakevar USE_NEW_TOOLCHAIN`
                    262: fi
1.35      jmc       263: if [ "${USE_NEW_TOOLCHAIN}" = "" ]; then
1.30      jmc       264:        echo "ERROR: build.sh (new toolchain) is not yet enabled for"
                    265:        echo
                    266:        echo "MACHINE: ${MACHINE}"
                    267:        echo "MACHINE_ARCH: ${MACHINE_ARCH}"
                    268:        echo
                    269:        echo "All builds for this platform should be done via a traditional make"
                    270:        echo
                    271:        echo "If you wish to test using the new toolchain set"
                    272:        echo
                    273:        echo "USE_NEW_TOOLCHAIN=yes"
                    274:        echo
                    275:        echo "in either the environment or mk.conf and rerun"
                    276:        echo
                    277:        echo "$0 $*"
                    278:        exit 1
                    279: fi
                    280:
1.15      tv        281: # If TOOLDIR isn't already set, make objdirs in "tools" in case the
                    282: # default setting from <bsd.own.mk> is used.
                    283: if [ -z "$TOOLDIR" ] && [ "$MKOBJDIRS" != "no" ]; then
1.18      tv        284:        $runcmd cd tools
1.29      jmc       285:        $runcmd $make -m ${TOP}/share/mk obj NOSUBDIR= || exit 1
1.18      tv        286:        $runcmd cd ..
1.15      tv        287: fi
                    288:
1.27      jmc       289: #
                    290: # If setting -O to root an obj dir make sure the base directory is made
                    291: # before continuing as bsd.own.mk will need this to pick up _SRC_TOP_OBJ_
                    292: #
                    293: if [ "$MKOBJDIRS" != "no" ] && [ ! -z "$makeobjdir" ]; then
1.53      pk        294:        $runcmd mkdir -p "$makeobjdir"
1.27      jmc       295: fi
                    296:
1.15      tv        297: # Find DESTDIR and TOOLDIR.
                    298: if [ "$runcmd" = "echo" ]; then
1.24      tv        299:        # shown symbolically with -n because these may come from mk.conf
                    300:        DESTDIR='$DESTDIR'
                    301:        TOOLDIR='$TOOLDIR'
1.15      tv        302: else
1.53      pk        303:        DESTDIR=`getmakevar DESTDIR`;
                    304:        [ $? = 0 ] || bomb "getmakevar DESTDIR failed";
                    305:        echo "===> DESTDIR path: $DESTDIR"
                    306:
                    307:        TOOLDIR=`getmakevar TOOLDIR`;
                    308:        [ $? = 0 ] || bomb "getmakevar DESTDIR failed";
                    309:        echo "===> TOOLDIR path: $TOOLDIR"
                    310:
1.18      tv        311:        export DESTDIR TOOLDIR
1.15      tv        312: fi
                    313:
                    314: # Check validity of TOOLDIR and DESTDIR.
                    315: if [ -z "$TOOLDIR" ] || [ "$TOOLDIR" = "/" ]; then
                    316:        bomb "TOOLDIR '$TOOLDIR' invalid"
                    317: fi
                    318: removedirs="$TOOLDIR"
                    319:
                    320: if [ -z "$DESTDIR" ] || [ "$DESTDIR" = "/" ]; then
1.16      thorpej   321:        if $do_buildsystem && \
1.26      thorpej   322:           ([ "$buildtarget" != "build" ] || \
1.16      thorpej   323:            [ "`uname -s 2>/dev/null`" != "NetBSD" ] || \
                    324:            [ "`uname -m`" != "$MACHINE" ]); then
1.26      thorpej   325:                bomb "DESTDIR must be set to a non-root path for cross builds or -d or -R."
1.16      thorpej   326:        elif $do_buildsystem; then
                    327:                echo "===> WARNING: Building to /."
                    328:                echo "===> If your kernel is not up to date, this may cause the system to break!"
1.15      tv        329:        fi
                    330: else
                    331:        removedirs="$removedirs $DESTDIR"
                    332: fi
                    333:
                    334: # Remove the target directories.
                    335: if $do_removedirs; then
                    336:        for f in $removedirs; do
                    337:                echo "===> Removing $f"
                    338:                $runcmd rm -r -f $f
                    339:        done
                    340: fi
                    341:
                    342: # Recreate $TOOLDIR.
1.53      pk        343: $runcmd mkdir -p "$TOOLDIR/bin" || bomb "mkdir of '$TOOLDIR/bin' failed"
1.15      tv        344:
                    345: # Install nbmake if it was built.
                    346: if $do_rebuildmake; then
1.53      pk        347:        $runcmd rm -f "$TOOLDIR/bin/nbmake"
                    348:        $runcmd cp $make "$TOOLDIR/bin/nbmake"
                    349:        $runcmd rm -r -f "$tmpdir"
1.4       tv        350:        trap 0 1 2 3 15
1.1       tv        351: fi
                    352:
1.4       tv        353: # Build a nbmake wrapper script, usable by hand as well as by build.sh.
1.15      tv        354: if [ -z "$makewrapper" ]; then
1.53      pk        355:        makewrapper="$TOOLDIR/bin/nbmake-$MACHINE"
1.52      thorpej   356:        if [ ! -z "$BUILDID" ]; then
1.53      pk        357:                makewrapper="$makewrapper-$BUILDID"
1.52      thorpej   358:        fi
1.15      tv        359: fi
1.4       tv        360:
1.53      pk        361: $runcmd rm -f "$makewrapper"
1.21      jmc       362: if [ "$runcmd" = "echo" ]; then
                    363:        echo 'cat <<EOF >'$makewrapper
                    364:        makewrapout=
                    365: else
1.53      pk        366:        makewrapout=">>\$makewrapper"
1.21      jmc       367: fi
1.18      tv        368:
1.21      jmc       369: eval cat <<EOF $makewrapout
1.4       tv        370: #! /bin/sh
                    371: # Set proper variables to allow easy "make" building of a NetBSD subtree.
1.54    ! bjh21     372: # Generated from:  \$NetBSD: build.sh,v 1.53 2002/03/21 10:54:50 pk Exp $
1.4       tv        373: #
1.18      tv        374:
                    375: EOF
1.21      jmc       376: for f in $makeenv; do
                    377:        eval echo "$f=\'\$`echo $f`\'\;\ export\ $f" $makewrapout
                    378: done
                    379: eval echo "USETOOLS=yes\; export USETOOLS" $makewrapout
1.18      tv        380:
1.53      pk        381: eval cat <<'EOF' $makewrapout
1.18      tv        382:
1.53      pk        383: exec "$TOOLDIR/bin/nbmake" ${1+"$@"}
1.4       tv        384: EOF
1.21      jmc       385: [ "$runcmd" = "echo" ] && echo EOF
1.53      pk        386: $runcmd chmod +x "$makewrapper"
1.4       tv        387:
1.10      tv        388: if $do_buildsystem; then
1.53      pk        389:        ${runcmd-exec} "$makewrapper" $buildtarget
1.16      thorpej   390: elif $do_buildonlytools; then
                    391:        if [ "$MKOBJDIRS" != "no" ]; then
1.53      pk        392:                $runcmd "$makewrapper" obj-tools || exit 1
1.16      thorpej   393:        fi
1.18      tv        394:        $runcmd cd tools
1.31      jmc       395:        if [ "$UPDATE" = "" ]; then
1.53      pk        396:                ${runcmd-exec} "$makewrapper" cleandir dependall install
1.31      jmc       397:        else
1.53      pk        398:                ${runcmd-exec} "$makewrapper" dependall install
1.31      jmc       399:        fi
1.9       jmc       400: fi

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