comp_err also generates mysqld_error.h, mysqld_ername.h, and sql_state.h header files.

For more information about how error messages are defined, see the m[blue]MySQL Internals Manualm[][1].

Invoke comp_err like this:

shell> comp_err [options]

comp_err supports the following options.

• --help, -?

Display a help message and exit.

• --charset=path, -C path

The character set directory. The default is ../sql/share/charsets.

• --debug=debug_options, -# debug_options

Write a debugging log. A typical debug_options string is d:t:O,file_name. The default is d:t:O,/tmp/comp_err.trace.

• --debug-info, -T

Print some debugging information when the program exits.

• --header_file=file_name, -H file_name

The name of the error header file. The default is mysqld_error.h.

• --in_file=file_name, -F file_name

The name of the input file. The default is ../sql/share/errmsg.txt.

• --name_file=file_name, -N file_name

The name of the error name file. The default is mysqld_ername.h.

• --out_dir=path, -D path

The name of the output base directory. The default is ../sql/share/.

• --out_file=file_name, -O file_name

The name of the output file. The default is errmsg.sys.

• --statefile=file_name, -S file_name

The name for the SQLSTATE header file. The default is sql_state.h.

• --version, -V

Display version information and exit.