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Annotation of src/build.sh, Revision 1.2

1.1       tv          1: #! /bin/sh
1.2     ! tv          2: #  $NetBSD: build.sh,v 1.1 2001/10/19 02:21:03 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
                      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 $MACHINE in
                     20:                acorn32|cats|dnard|evbarm|hpcarm|netwinder)
                     21:                        MACHINE_ARCH=arm;;
                     22:
                     23:                sun2)
                     24:                        MACHINE_ARCH=m68000;;
                     25:
                     26:                amiga|atari|cesfic|hp300|sun3|*68k)
                     27:                        MACHINE_ARCH=m68k;;
                     28:
                     29:                mipsco|newsmips|sgimips)
                     30:                        MACHINE_ARCH=mipseb;;
                     31:
                     32:                algor|arc|cobalt|hpcmips|playstation2|pmax)
                     33:                        MACHINE_ARCH=mipsel;;
                     34:
                     35:                pc532)
                     36:                        MACHINE_ARCH=ns32k;;
                     37:
                     38:                bebox|prep|sandpoint|walnut|*ppc)
                     39:                        MACHINE_ARCH=powerpc;;
                     40:
                     41:                mmeye)
                     42:                        MACHINE_ARCH=sh3eb;;
                     43:
                     44:                dreamcast|evbsh3|hpcsh)
                     45:                        MACHINE_ARCH=sh3el;;
                     46:
                     47:                *)      MACHINE_ARCH=$MACHINE;;
                     48:        esac
                     49: }
                     50:
                     51: usage () {
                     52:        echo "Usage:"
1.2     ! tv         53:        echo "$0 [-nr] [-j njobs] [-m machine] [-D destdir] [-T tooldir]"
        !            54:        echo "    -j: set NBUILDJOBS to njobs"
1.1       tv         55:        echo "    -m: set target MACHINE to machine"
                     56:        echo "    -n: do not build a release (just install to DESTDIR)"
                     57:        echo "    -r: remove TOOLDIR and DESTDIR before the build"
                     58:        echo "    -D: set DESTDIR to destdir"
                     59:        echo "    -T: set TOOLDIR to tooldir"
                     60:        exit 1
                     61: }
                     62:
1.2     ! tv         63: while getopts j:m:nrD:T: opt; do case $opt in
        !            64:        j)      buildjobs="NBUILDJOBS=$OPTARG";;
        !            65:
1.1       tv         66:        m)      MACHINE=$OPTARG; getarch;; # getarch overrides MACHINE_ARCH
                     67:
                     68:        n)      buildtarget=build;;
                     69:
                     70:        r)      removedirs=true;;
                     71:
                     72:        D)      DESTDIR="$OPTARG";;
                     73:
                     74:        T)      TOOLDIR="$OPTARG";;
                     75:
                     76:        '?')    usage;;
                     77: esac; done
                     78:
                     79: for var in DESTDIR TOOLDIR MACHINE; do
                     80:        eval 'test -n "$'$var'"' || \
                     81:                bomb "$var must be set in the environment before running build.sh"
                     82: done
                     83:
                     84: # Set up environment.
                     85: test -n "$MACHINE_ARCH" || getarch
                     86: test -d usr.bin/make || bomb "build.sh must be run from the top source level"
                     87: [ -d $TOOLDIR/bin ] || mkdir -p $TOOLDIR/bin || bomb "mkdir of $TOOLDIR/bin failed"
                     88:
                     89: # Remove the target directories.
                     90: if ${removedirs-false}; then
                     91:        echo "Removing DESTDIR and TOOLDIR...."
                     92:        rm -rf $DESTDIR $TOOLDIR
                     93: fi
                     94:
                     95: # Test make source file timestamps against installed bmake binary.
                     96: if [ -x $TOOLDIR/bin/bmake ]; then
                     97:        for f in usr.bin/make/*.[ch] usr.bin/make/lst.lib/*.[ch]; do
                     98:                if [ $f -nt $TOOLDIR/bin/bmake ]; then
                     99:                        rebuildmake=true; break
                    100:                fi
                    101:        done
                    102: else
                    103:        rebuildmake=true
                    104: fi
                    105:
                    106: # Build $TOOLDIR/bin/bmake.
                    107: if ${rebuildmake-false}; then
                    108:        echo "Building bmake...."
                    109:
                    110:        # Go to a temporary directory in case building .o's happens.
                    111:        srcdir=`pwd`
                    112:        cd ${TMPDIR-/tmp}
                    113:
                    114:        ${HOST_CC-cc} ${HOST_CFLAGS} -DMAKE_BOOTSTRAP \
                    115:                -o $TOOLDIR/bin/bmake -I$srcdir/usr.bin/make \
1.2     ! tv        116:                $srcdir/usr.bin/make/*.c $srcdir/usr.bin/make/lst.lib/*.c \
        !           117:                || bomb "build of bmake failed"
1.1       tv        118:
                    119:        # Clean up.
                    120:        rm -f *.o
                    121:        cd $srcdir
                    122:
                    123:        # Some compilers are just *that* braindead.
                    124:        rm -f $srcdir/usr.bin/make/*.o $srcdir/usr.bin/make/lst.lib/*.o
                    125: fi
                    126:
                    127: $TOOLDIR/bin/bmake ${buildtarget-release} -m `pwd`/share/mk \
                    128:        MKTOOLS=yes DESTDIR="$DESTDIR" TOOLDIR="$TOOLDIR" \
1.2     ! tv        129:        MACHINE=$MACHINE MACHINE_ARCH=$MACHINE_ARCH $buildjobs