GDB can be configured to have a system-wide init file and a system-wide init file directory; this file and files in that directory (if they have a recognized file extension) will be read and executed at startup (see What GDB does during startup).
Here are the corresponding configure options:
Specify that the default location of the system-wide init file is file.
Specify that the default location of the system-wide init file directory is directory.
If GDB has been configured with the option --prefix=$prefix, they may be subject to relocation. Two possible cases:
If the configured location of the system-wide init file (as given by the
--with-system-gdbinit option at configure time) is in the
data-directory (as specified by --with-gdb-datadir at configure
time) or in one of its subdirectories, then GDB will look for the
system-wide init file in the directory specified by the
--data-directory command-line option.
Note that the system-wide init file is only read once, during GDB
initialization. If the data-directory is changed after GDB has
started with the
set data-directory command, the file will not be
This applies similarly to the system-wide directory specified in --with-system-gdbinit-dir.
Any supported scripting language can be used for these init files, as long as the file extension matches the scripting language. To be interpreted as regular GDB commands, the files needs to have a .gdb extension.
|• System-wide Configuration Scripts:||Installed System-wide Configuration Scripts|