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Differences between upstream and the Debian package =================================================== * All files are installed according to the FHS. Relatively complete environment as provided by upstream may be found in /usr/lib/firebird/3.0 * Debian packages do not use the pre-supplied sources for libeditline. Instead, Debian package of libedit is used. * POSSIBLE INCOMPATIBILITY In indices on text-based columns (CHAR/VARCHAR), Firebird uses ICU to get binary-comparable sequences (collations). These collations may be different in different ICU versions. Debian packages use the Debian-packaged libicu*. Unfortunately, this may lead to incompatibilities in the binary index representation (on disk) between databases created by Debian-packaged Firebird, and upstream. This can also lead to incompatibilities when the Firebird packages are re-built using different version of the system-wide ICU library or when the system-wide ICU library is upgraded. One way to fix this is to keep the previously installed ICU version and add a corresponding entry in /etc/firebird/3.0/fbintl.conf. Another is to backup and restore all databases created with ICU version different from the one currently installed on the system. Here's an example of a modified fbintl.conf: intl_module = builtin { icu_versions = default 52 } Where '52' matches the ICU library soname, e.g. libicu52 * Missing documentation in PDF format The Quick-Start guide and the Release Notes are provided upstream in PDF format. Debian cannot re-distribute these as the source files, which are preferred for modification are not included in the upstream archive. The PDFs are available from the Firebird website at http://firebirdsql.org/index.php?op=doc * No QLI The qli utility is not available in the Debian packages. This is due to its dependency to the help.fdb database, which has no sources available and therefore had to be removed from the upstream sources.