
This patch adds SPARC infrastructure to the `openmp` `cmake` files, matching what is done for other architectures. Tested on `sparc-sun-solaris2.11`, `sparcv9-sun-solaris2.11`, `sparc-unknown-linux-gnu`, `sparc64-unknown-linux-gnu`, `i386-pc-solaris2.11`, `amd64-pc-solaris2.11`, `i686-pc-linux-gnu`, and `x86_64-pc-linux-gnu`.