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#!/bin/sh



error() {

	rc=$1; shift

	echo $* >&2

	exit $rc

}



if test "$1" = "-h" -o "$1" = "-help" -o "$1" = "--help"

then

	cat <<.

Usage: `basename $0` [BUILDDIR [SOURCEDIR]]



BUILDDIR    Location at which to build icewm (default: ../build)

SOURCEDIR   Location of icewm's sourcecode (default: .)

.

	exit

fi



BUILDDIR=${1:-../build}

SOURCEDIR=${2:-$PWD}



[ ! -d "$SOURCEDIR" ] && error 1 \

	"Invalid source directory: \`$SOURCEDIR'"

[ -e "$BUILDDIR" ] && error 1 \

	"Build directory exists: \`$BUILDDIR'"

[ "$SOURCEDIR" -ef "$BUILDDIR" ] && error 1 \

	"Identical source and build directory: \`$SOURCEDIR' and \`$BUILDDIR'"



echo "Linking from \`$SOURCEDIR' to \`$BUILDDIR'"



find $SOURCEDIR -type d -not -name CVS \

	-printf $BUILDDIR/%P\\0 | xargs -0 mkdir -p

find $SOURCEDIR -type f -not -path \*/CVS/\* \

	-printf "ln -s %p $BUILDDIR/%P\\n" | sh