builld: allow out of source build * Makefile.in: add TOP_BUILD_DIR var and use TOP_DIR=srcdir, TOP_BUILD_DIR=builddir, modify paths to use TOP_DIR where needed * binary-dist-rules.mk: use TOP_DIR and TOP_BUILD_DIR where needed * makeinst-script.sh: use script path to determine TOPDIR, use TOPDIR where needed * src/default-octave.mk: install octave-version to builddir * src/stable-octave.mk: install octave-version to builddir * src/octave.mk: install octave-version to builddir * tools/set-mxe-env.sh.in: update fir builddir and srcdir use

diff -ur fltk-1.3.1.orig/fltk-config.in fltk-1.3.1/fltk-config.in
--- fltk-1.3.1.orig/fltk-config.in	2013-05-24 20:20:53.000000000 -0400
+++ fltk-1.3.1/fltk-config.in	2013-05-24 20:22:12.000000000 -0400
@@ -341,7 +341,7 @@
     libdirs=$libs
 
     for i in $LDLIBS ; do
-	if test $i != -L$libdir ; then
+	if test $i != -L$libdir -a $i != -luuid ; then
 	    if test -z "$my_libs" ; then
 		my_libs="$i"
 	    else