help with sed for post-patch

[Eitan Adler]

I need to change
set(LIBRARY_OUTPUT_PATH ${CMAKE_BINARY_DIR}/lib)
to
set(LIBRARY_OUTPUT_PATH libdata/lib)

Here is what I have
${REINPLACE_CMD} -E 's/\$\{CMAKE_BINARY_DIR\}\/lib/libdata\/lib/'
${WRKSRC}/CMakeLists.txt

how could I fix this?