freetds

USE флаги

• debug - Enable extra debug codepaths, like asserts and extra output. If you want to get meaningful backtraces see https://wiki.gentoo.org/wiki/Project:Quality_Assurance/Backtraces
• gnutls - Prefer net-libs/gnutls as SSL/TLS provider (ineffective with USE=-ssl)
• iconv - Enable support for the iconv character set conversion library
• iodbc - Add support for iODBC library
• kerberos - Add kerberos support
• mssql - Add support for Microsoft SQL Server database
• odbc - Add ODBC Support (Open DataBase Connectivity)
• ssl - Add support for SSL/TLS connections (Secure Socket Layer / Transport Layer Security)
• static-libs - Build static versions of dynamic libraries as well