Pass arguements to the build script on to configure.

BUILD/FINISH.sh

 cflags="$c_warnings $extra_flags"
 cxxflags="$cxx_warnings $base_cxxflags $extra_flags"
 configure="./configure $base_configs $extra_configs"
+for arg in "$@"; do
+  configure="$configure "`echo "$arg" | sed -e 's,\([^a-zA-Z0-9_.-]\),\\\\\1,g'`
+done
+
 
 CFLAGS="$cflags" CXX=gcc CXXFLAGS="$cxxflags" eval "$configure"