CLSQL uses ASDF to compile and load its components. ASDF is included in the CCLAN collection.
CLSQL uses UFFI as a Foreign Function Interface (FFI) to support multiple ANSI Common Lisp implementations.
CLSQL's postgresql-socket interface uses Pierre Mai's md5 module.
The implementations that support CLSQL is governed by the supported implementations of UFFI. The following implementations are supported:
AllegroCL v6.2 through 8.0 on Debian Linux x86 & x86_64 & PowerPC, FreeBSD 4.5, and Microsoft Windows XP.
Lispworks v4.3 and v4.4 on Debian Linux and Microsoft Windows XP.
CMUCL 18e on Debian Linux, FreeBSD 4.5, and Solaris 2.8. 19c on Debian Linux.
SBCL 0.8.4 through 0.9.16 on Debian Linux.
SCL 1.1.1 on Debian Linux.
OpenMCL 0.14 PowerPC and 1.0pre AMD64 on Debian Linux .