# 4.8.7. OpenSHMEM functionality

The following are command line options to set the default for various OpenSHMEM API behaviors that can be used with `configure`:

- `--disable-oshmem`: Disable building the OpenSHMEM implementation (by default, it is enabled).

- `--disable-oshmem-fortran`: Disable building only the Fortran OpenSHMEM bindings. Please see the “Compiler Notes” section herein which contains further details on known issues with various Fortran compilers.