From: rasmus
| Library | Version | Thread Safe? | Notes |
|---|---|---|---|
| ASpell/PSpell | ? | ||
| Berkeley DB | ? | ||
| Berkeley DB | 3.x,4.x | Yes | Be careful about sharing a connection across threads. |
| BZip2 | ? | ||
| cdb | ? | ||
| C-Client | ? | ||
| FreeType | ? | ||
| GD 1.8.x | ? | ||
| GD 2.0.x | ? | ||
| gdbm | ? | ||
| gdbm | No | ||
| ImageMagick | ? | ||
| Imlib2 | ? | ||
| libjpeg | v6b | ? | |
| libpng | 1.2.x | ? | |
| libpq (PostgreSQL) | 7.x | Yes | Don't share connections across threads and watch out for crypt() calls |
| Sablotron | 0.95 | ? | |
| zlib | 1.1.4 | ? | |
| zlib | 1.1.4 | Yes? |