Add threads support for various packages. Usually pthreads
| Package | “threads” Flag Description |
|---|---|
| app-editors/emacs | Add elisp threading support |
| app-editors/emacs-vcs | Add elisp threading support |
| dev-lang/python | Enable threading support. (DON'T DISABLE THIS UNLESS YOU KNOW WHAT YOU'RE DOING) |
| dev-libs/boost | Build multi-thread-compatible libraries instead of single-threaded only. |
| dev-libs/elfutils | Build the libraries with thread safe support |
| dev-libs/xerces-c | Enable threading support through pthread (or other libraries on AIX, IRIX, HPUX, Solars). Highly recommended |
| dev-libs/xmlrpc-c | Controls whether to build the Abyss web-server with pthreads or fork 'threading'. |
| dev-scheme/racket | Enable support for green threads |
| media-plugins/gkrellmpc | Use separate thread to init connection (unsafe) |
| sys-cluster/mpich | Enable MPI_THREAD_MULTIPLE |
| sys-cluster/mpich2 | Enable MPI_THREAD_MULTIPLE |
| sys-cluster/openmpi | Enable MPI_THREAD_MULTIPLE |