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Annotation of src/build.sh, Revision 1.57

1.1       tv          1: #! /bin/sh
1.57    ! sommerfe    2: #  $NetBSD: build.sh,v 1.56 2002/04/18 01:38:11 tv 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"
1.56      tv         17: [ -f share/mk/bsd.own.mk ] || bomb "src/share/mk is missing; please re-fetch the source tree"
1.1       tv         18:
1.29      jmc        19: TOP=`pwd`
                     20:
1.1       tv         21: getarch () {
                     22:        # Translate a MACHINE into a default MACHINE_ARCH.
                     23:        case $MACHINE in
1.55      thorpej    24:                acorn26|acorn32|cats|netwinder|shark|*arm)
1.1       tv         25:                        MACHINE_ARCH=arm;;
                     26:
                     27:                sun2)
                     28:                        MACHINE_ARCH=m68000;;
                     29:
                     30:                amiga|atari|cesfic|hp300|sun3|*68k)
                     31:                        MACHINE_ARCH=m68k;;
                     32:
1.50      simonb     33:                mipsco|newsmips|sbmips|sgimips)
1.1       tv         34:                        MACHINE_ARCH=mipseb;;
                     35:
1.51      simonb     36:                algor|arc|cobalt|evbmips|hpcmips|playstation2|pmax)
1.1       tv         37:                        MACHINE_ARCH=mipsel;;
                     38:
                     39:                pc532)
                     40:                        MACHINE_ARCH=ns32k;;
                     41:
1.45      scw        42:                bebox|mvmeppc|prep|sandpoint|walnut|*ppc)
1.1       tv         43:                        MACHINE_ARCH=powerpc;;
                     44:
1.22      msaitoh    45:                evbsh3|mmeye)
1.1       tv         46:                        MACHINE_ARCH=sh3eb;;
                     47:
1.22      msaitoh    48:                dreamcast|hpcsh)
1.1       tv         49:                        MACHINE_ARCH=sh3el;;
                     50:
1.5       bjh21      51:                alpha|i386|sparc|sparc64|vax|x86_64)
1.4       tv         52:                        MACHINE_ARCH=$MACHINE;;
                     53:
                     54:                *)      bomb "unknown target MACHINE: $MACHINE";;
1.1       tv         55:        esac
                     56: }
                     57:
1.47      tv         58: validatearch () {
                     59:        # Ensure that the MACHINE_ARCH exists (and is supported by build.sh).
                     60:        case $MACHINE_ARCH in
1.48      mjl        61:                alpha|arm|i386|m68000|m68k|mipse[bl]|powerpc|sh3e[bl]|sparc|sparc64|vax|x86_64)
1.47      tv         62:                        ;;
                     63:
                     64:                *)      bomb "unknown target MACHINE_ARCH: $MACHINE_ARCH";;
                     65:        esac
                     66: }
                     67:
1.15      tv         68: getmakevar () {
1.30      jmc        69:        $make -m ${TOP}/share/mk -s -f- _x_ <<EOF
1.15      tv         70: _x_:
                     71:        echo \${$1}
                     72: .include <bsd.prog.mk>
                     73: EOF
                     74: }
                     75:
1.10      tv         76: resolvepath () {
                     77:        case $OPTARG in
                     78:        /*)     ;;
                     79:        *)      OPTARG="$cwd/$OPTARG";;
                     80:        esac
                     81: }
                     82:
1.1       tv         83: usage () {
                     84:        echo "Usage:"
1.52      thorpej    85:        echo "$0 [-bdorUu] [-a arch] [-B buildid] [-j njob] [-m mach] "
                     86:        echo "   [-w wrapper] [-D dest] [-O obj] [-R release] [-T tools]"
1.4       tv         87:        echo ""
1.15      tv         88:        echo "    -a: set MACHINE_ARCH to arch (otherwise deduced from MACHINE)"
1.52      thorpej    89:        echo "    -B: set BUILDID to buildid"
1.15      tv         90:        echo "    -b: build nbmake and nbmake wrapper script, if needed"
1.36      wiz        91:        echo "    -D: set DESTDIR to dest"
1.26      thorpej    92:        echo "    -d: build a full distribution into DESTDIR (including etc files)"
1.57    ! sommerfe   93:        echo "    -j: Run up to njob jobs in parallel; see make(1)"
1.15      tv         94:        echo "    -m: set MACHINE to mach (not required if NetBSD native)"
1.12      tv         95:        echo "    -n: show commands that would be executed, but do not execute them"
1.36      wiz        96:        echo "    -O: set obj root directory to obj (sets a MAKEOBJDIR pattern)"
1.15      tv         97:        echo "    -o: set MKOBJDIRS=no (do not create objdirs at start of build)"
1.36      wiz        98:        echo "    -R: build a release (and set RELEASEDIR to release)"
1.15      tv         99:        echo "    -r: remove contents of TOOLDIR and DESTDIR before building"
1.36      wiz       100:        echo "    -T: set TOOLDIR to tools"
1.16      thorpej   101:        echo "    -t: build and install tools only (implies -b)"
1.44      lukem     102:        echo "    -U: set UNPRIVED"
1.18      tv        103:        echo "    -u: set UPDATE"
1.15      tv        104:        echo "    -w: create nbmake script at wrapper (default TOOLDIR/bin/nbmake-MACHINE)"
                    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."
1.1       tv        108:        exit 1
                    109: }
                    110:
1.10      tv        111: # Set defaults.
1.18      tv        112: MAKEFLAGS=
1.12      tv        113: buildtarget=build
1.10      tv        114: cwd=`pwd`
                    115: do_buildsystem=true
1.16      thorpej   116: do_buildonlytools=false
1.10      tv        117: do_rebuildmake=false
                    118: do_removedirs=false
1.18      tv        119: makeenv=
                    120: makewrapper=
1.10      tv        121: opt_a=no
1.52      thorpej   122: opts='a:B:bdhj:m:nortuw:D:O:R:T:U'
1.18      tv        123: runcmd=
1.4       tv        124:
                    125: if type getopts >/dev/null 2>&1; then
                    126:        # Use POSIX getopts.
                    127:        getoptcmd='getopts $opts opt && opt=-$opt'
                    128:        optargcmd=':'
                    129: else
1.33      tv        130:        type getopt >/dev/null 2>&1 || bomb "/bin/sh shell is too old; try ksh or bash"
1.2       tv        131:
1.4       tv        132:        # Use old-style getopt(1) (doesn't handle whitespace in args).
                    133:        args="`getopt $opts $*`"
                    134:        [ $? = 0 ] || usage
                    135:        set -- $args
1.1       tv        136:
1.4       tv        137:        getoptcmd='[ $# -gt 0 ] && opt="$1" && shift'
                    138:        optargcmd='OPTARG="$1"; shift'
                    139: fi
1.10      tv        140:
                    141: # Parse command line options.
1.4       tv        142: while eval $getoptcmd; do case $opt in
                    143:        -a)     eval $optargcmd
                    144:                MACHINE_ARCH=$OPTARG; opt_a=yes;;
1.1       tv        145:
1.52      thorpej   146:        -B)     eval $optargcmd
                    147:                BUILDID=$OPTARG;;
                    148:
1.10      tv        149:        -b)     do_buildsystem=false;;
1.9       jmc       150:
1.26      thorpej   151:        -d)     buildtarget=distribution;;
                    152:
1.4       tv        153:        -j)     eval $optargcmd
1.57    ! sommerfe  154:                parallel="-j $OPTARG";;
1.1       tv        155:
1.4       tv        156:        # -m overrides MACHINE_ARCH unless "-a" is specified
                    157:        -m)     eval $optargcmd
                    158:                MACHINE=$OPTARG; [ "$opt_a" != "yes" ] && getarch;;
1.3       tv        159:
1.10      tv        160:        -n)     runcmd=echo;;
                    161:
1.12      tv        162:        -o)     MKOBJDIRS=no;;
                    163:
1.10      tv        164:        -r)     do_removedirs=true; do_rebuildmake=true;;
1.1       tv        165:
1.16      thorpej   166:        -t)     do_buildonlytools=true; do_buildsystem=false;;
                    167:
1.44      lukem     168:        -U)     UNPRIVED=yes; export UNPRIVED
                    169:                makeenv="$makeenv UNPRIVED";;
                    170:
1.18      tv        171:        -u)     UPDATE=yes; export UPDATE
                    172:                makeenv="$makeenv UPDATE";;
1.15      tv        173:
                    174:        -w)     eval $optargcmd; resolvepath
                    175:                makewrapper="$OPTARG";;
1.12      tv        176:
1.10      tv        177:        -D)     eval $optargcmd; resolvepath
1.19      dillo     178:                DESTDIR="$OPTARG"; export DESTDIR
1.18      tv        179:                makeenv="$makeenv DESTDIR";;
1.4       tv        180:
1.12      tv        181:        -O)     eval $optargcmd; resolvepath
1.15      tv        182:                MAKEOBJDIR="\${.CURDIR:C,^$cwd,$OPTARG,}"; export MAKEOBJDIR
1.27      jmc       183:                makeobjdir=$OPTARG
1.18      tv        184:                makeenv="$makeenv MAKEOBJDIR";;
1.12      tv        185:
1.10      tv        186:        -R)     eval $optargcmd; resolvepath
1.18      tv        187:                RELEASEDIR=$OPTARG; export RELEASEDIR
                    188:                makeenv="$makeenv RELEASEDIR"
1.15      tv        189:                buildtarget=release;;
1.4       tv        190:
1.10      tv        191:        -T)     eval $optargcmd; resolvepath
1.18      tv        192:                TOOLDIR="$OPTARG"; export TOOLDIR;;
1.4       tv        193:
                    194:        --)             break;;
                    195:        -'?'|-h)        usage;;
1.1       tv        196: esac; done
                    197:
1.15      tv        198: # Set up MACHINE*.  On a NetBSD host, these are allowed to be unset.
                    199: if [ -z "$MACHINE" ]; then
                    200:        if [ "`uname -s 2>/dev/null`" != "NetBSD" ]; then
                    201:                echo "MACHINE must be set, or -m must be used, for cross builds."
1.4       tv        202:                echo ""; usage
                    203:        fi
1.15      tv        204:        MACHINE=`uname -m`
                    205: fi
1.10      tv        206: [ -n "$MACHINE_ARCH" ] || getarch
1.47      tv        207: validatearch
1.3       tv        208:
1.15      tv        209: # Set up default make(1) environment.
1.18      tv        210: makeenv="$makeenv TOOLDIR MACHINE MACHINE_ARCH MAKEFLAGS"
1.52      thorpej   211: if [ ! -z "$BUILDID" ]; then
                    212:        makeenv="$makeenv BUILDID"
                    213: fi
1.18      tv        214: MAKEFLAGS="-m $cwd/share/mk $MAKEFLAGS MKOBJDIRS=${MKOBJDIRS-yes}"
                    215: export MAKEFLAGS MACHINE MACHINE_ARCH
1.15      tv        216:
                    217: # Test make source file timestamps against installed nbmake binary,
                    218: # if TOOLDIR is pre-set.
1.46      tv        219: #
                    220: # Note that we do NOT try to grovel "mk.conf" here to find out if TOOLDIR
                    221: # is set there, because it can contain make variable expansions and other
                    222: # stuff only parseable *after* we have a working nbmake.  So this logic
                    223: # can only work if the user has pre-set TOOLDIR in the environment or
                    224: # used the -T option to build.sh.
                    225: #
1.53      pk        226: make="${TOOLDIR-nonexistent}/bin/nbmake"
1.15      tv        227: if [ -x $make ]; then
1.1       tv        228:        for f in usr.bin/make/*.[ch] usr.bin/make/lst.lib/*.[ch]; do
1.15      tv        229:                if [ $f -nt $make ]; then
1.10      tv        230:                        do_rebuildmake=true; break
1.1       tv        231:                fi
                    232:        done
                    233: else
1.10      tv        234:        do_rebuildmake=true
1.1       tv        235: fi
                    236:
1.15      tv        237: # Build bootstrap nbmake if needed.
1.10      tv        238: if $do_rebuildmake; then
1.18      tv        239:        $runcmd echo "===> Bootstrapping nbmake"
1.53      pk        240:        tmpdir="${TMPDIR-/tmp}/nbbuild$$"
1.4       tv        241:
1.53      pk        242:        $runcmd mkdir "$tmpdir" || bomb "cannot mkdir: $tmpdir"
                    243:        trap "cd /; rm -r -f \"$tmpdir\"" 0
1.4       tv        244:        trap "exit 1" 1 2 3 15
1.53      pk        245:        $runcmd cd "$tmpdir"
1.1       tv        246:
1.40      tv        247:        $runcmd env CC="${HOST_CC-cc}" CPPFLAGS="${HOST_CPPFLAGS}" CFLAGS="${HOST_CFLAGS--O}" LDFLAGS="${HOST_LDFLAGS}" \
1.53      pk        248:                "$cwd/tools/make/configure" || bomb "configure of nbmake failed"
1.39      tv        249:        $runcmd sh buildmake.sh || bomb "build of nbmake failed"
1.1       tv        250:
1.53      pk        251:        make="$tmpdir/nbmake"
                    252:        $runcmd cd "$cwd"
1.15      tv        253:        $runcmd rm -f usr.bin/make/*.o usr.bin/make/lst.lib/*.o
                    254: fi
                    255:
1.53      pk        256: if [ "$runcmd" = "echo" ]; then
                    257:        USE_NEW_TOOLCHAIN=yes
                    258: else
                    259:        USE_NEW_TOOLCHAIN=`getmakevar USE_NEW_TOOLCHAIN`
                    260: fi
1.35      jmc       261: if [ "${USE_NEW_TOOLCHAIN}" = "" ]; then
1.30      jmc       262:        echo "ERROR: build.sh (new toolchain) is not yet enabled for"
                    263:        echo
                    264:        echo "MACHINE: ${MACHINE}"
                    265:        echo "MACHINE_ARCH: ${MACHINE_ARCH}"
                    266:        echo
                    267:        echo "All builds for this platform should be done via a traditional make"
                    268:        echo
                    269:        echo "If you wish to test using the new toolchain set"
                    270:        echo
                    271:        echo "USE_NEW_TOOLCHAIN=yes"
                    272:        echo
                    273:        echo "in either the environment or mk.conf and rerun"
                    274:        echo
                    275:        echo "$0 $*"
                    276:        exit 1
                    277: fi
                    278:
1.15      tv        279: # If TOOLDIR isn't already set, make objdirs in "tools" in case the
                    280: # default setting from <bsd.own.mk> is used.
                    281: if [ -z "$TOOLDIR" ] && [ "$MKOBJDIRS" != "no" ]; then
1.18      tv        282:        $runcmd cd tools
1.29      jmc       283:        $runcmd $make -m ${TOP}/share/mk obj NOSUBDIR= || exit 1
1.18      tv        284:        $runcmd cd ..
1.15      tv        285: fi
                    286:
1.27      jmc       287: #
                    288: # If setting -O to root an obj dir make sure the base directory is made
                    289: # before continuing as bsd.own.mk will need this to pick up _SRC_TOP_OBJ_
                    290: #
                    291: if [ "$MKOBJDIRS" != "no" ] && [ ! -z "$makeobjdir" ]; then
1.53      pk        292:        $runcmd mkdir -p "$makeobjdir"
1.27      jmc       293: fi
                    294:
1.15      tv        295: # Find DESTDIR and TOOLDIR.
                    296: if [ "$runcmd" = "echo" ]; then
1.24      tv        297:        # shown symbolically with -n because these may come from mk.conf
                    298:        DESTDIR='$DESTDIR'
                    299:        TOOLDIR='$TOOLDIR'
1.15      tv        300: else
1.53      pk        301:        DESTDIR=`getmakevar DESTDIR`;
                    302:        [ $? = 0 ] || bomb "getmakevar DESTDIR failed";
                    303:        echo "===> DESTDIR path: $DESTDIR"
                    304:
                    305:        TOOLDIR=`getmakevar TOOLDIR`;
                    306:        [ $? = 0 ] || bomb "getmakevar DESTDIR failed";
                    307:        echo "===> TOOLDIR path: $TOOLDIR"
                    308:
1.18      tv        309:        export DESTDIR TOOLDIR
1.15      tv        310: fi
                    311:
                    312: # Check validity of TOOLDIR and DESTDIR.
                    313: if [ -z "$TOOLDIR" ] || [ "$TOOLDIR" = "/" ]; then
                    314:        bomb "TOOLDIR '$TOOLDIR' invalid"
                    315: fi
                    316: removedirs="$TOOLDIR"
                    317:
                    318: if [ -z "$DESTDIR" ] || [ "$DESTDIR" = "/" ]; then
1.16      thorpej   319:        if $do_buildsystem && \
1.26      thorpej   320:           ([ "$buildtarget" != "build" ] || \
1.16      thorpej   321:            [ "`uname -s 2>/dev/null`" != "NetBSD" ] || \
                    322:            [ "`uname -m`" != "$MACHINE" ]); then
1.26      thorpej   323:                bomb "DESTDIR must be set to a non-root path for cross builds or -d or -R."
1.16      thorpej   324:        elif $do_buildsystem; then
                    325:                echo "===> WARNING: Building to /."
                    326:                echo "===> If your kernel is not up to date, this may cause the system to break!"
1.15      tv        327:        fi
                    328: else
                    329:        removedirs="$removedirs $DESTDIR"
                    330: fi
                    331:
                    332: # Remove the target directories.
                    333: if $do_removedirs; then
                    334:        for f in $removedirs; do
                    335:                echo "===> Removing $f"
                    336:                $runcmd rm -r -f $f
                    337:        done
                    338: fi
                    339:
                    340: # Recreate $TOOLDIR.
1.53      pk        341: $runcmd mkdir -p "$TOOLDIR/bin" || bomb "mkdir of '$TOOLDIR/bin' failed"
1.15      tv        342:
                    343: # Install nbmake if it was built.
                    344: if $do_rebuildmake; then
1.53      pk        345:        $runcmd rm -f "$TOOLDIR/bin/nbmake"
                    346:        $runcmd cp $make "$TOOLDIR/bin/nbmake"
                    347:        $runcmd rm -r -f "$tmpdir"
1.4       tv        348:        trap 0 1 2 3 15
1.1       tv        349: fi
                    350:
1.4       tv        351: # Build a nbmake wrapper script, usable by hand as well as by build.sh.
1.15      tv        352: if [ -z "$makewrapper" ]; then
1.53      pk        353:        makewrapper="$TOOLDIR/bin/nbmake-$MACHINE"
1.52      thorpej   354:        if [ ! -z "$BUILDID" ]; then
1.53      pk        355:                makewrapper="$makewrapper-$BUILDID"
1.52      thorpej   356:        fi
1.15      tv        357: fi
1.4       tv        358:
1.53      pk        359: $runcmd rm -f "$makewrapper"
1.21      jmc       360: if [ "$runcmd" = "echo" ]; then
                    361:        echo 'cat <<EOF >'$makewrapper
                    362:        makewrapout=
                    363: else
1.53      pk        364:        makewrapout=">>\$makewrapper"
1.21      jmc       365: fi
1.18      tv        366:
1.21      jmc       367: eval cat <<EOF $makewrapout
1.4       tv        368: #! /bin/sh
                    369: # Set proper variables to allow easy "make" building of a NetBSD subtree.
1.57    ! sommerfe  370: # Generated from:  \$NetBSD: build.sh,v 1.56 2002/04/18 01:38:11 tv Exp $
1.4       tv        371: #
1.18      tv        372:
                    373: EOF
1.21      jmc       374: for f in $makeenv; do
                    375:        eval echo "$f=\'\$`echo $f`\'\;\ export\ $f" $makewrapout
                    376: done
                    377: eval echo "USETOOLS=yes\; export USETOOLS" $makewrapout
1.18      tv        378:
1.53      pk        379: eval cat <<'EOF' $makewrapout
1.18      tv        380:
1.53      pk        381: exec "$TOOLDIR/bin/nbmake" ${1+"$@"}
1.4       tv        382: EOF
1.21      jmc       383: [ "$runcmd" = "echo" ] && echo EOF
1.53      pk        384: $runcmd chmod +x "$makewrapper"
1.4       tv        385:
1.10      tv        386: if $do_buildsystem; then
1.57    ! sommerfe  387:        ${runcmd-exec} "$makewrapper" $parallel $buildtarget
1.16      thorpej   388: elif $do_buildonlytools; then
                    389:        if [ "$MKOBJDIRS" != "no" ]; then
1.57    ! sommerfe  390:                $runcmd "$makewrapper" $parallel obj-tools || exit 1
1.16      thorpej   391:        fi
1.18      tv        392:        $runcmd cd tools
1.31      jmc       393:        if [ "$UPDATE" = "" ]; then
1.53      pk        394:                ${runcmd-exec} "$makewrapper" cleandir dependall install
1.31      jmc       395:        else
1.53      pk        396:                ${runcmd-exec} "$makewrapper" dependall install
1.31      jmc       397:        fi
1.9       jmc       398: fi

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