gettext: AM_XGETTEXT_OPTION
13.5.5 AM_XGETTEXT_OPTION in ‘po.m4’
------------------------------------
The ‘AM_XGETTEXT_OPTION’ macro registers a command-line option to be
used in the invocations of ‘xgettext’ in the ‘po/’ directories of the
package.
For example, if you have a source file that defines a function
‘error_at_line’ whose fifth argument is a format string, you can use
AM_XGETTEXT_OPTION([--flag=error_at_line:5:c-format])
to instruct ‘xgettext’ to mark all translatable strings in ‘gettext’
invocations that occur as fifth argument to this function as ‘c-format’.
See ⇒xgettext Invocation for the list of options that
‘xgettext’ accepts.
The use of this macro is an alternative to the use of the
‘XGETTEXT_OPTIONS’ variable in ‘po/Makevars’.