Eric Blake wrote: > It is not possible to know what macros will be invoked later in the file. > But with diversions, it is possible for macros invoked later to emit > shell code that will be invoked earlier, by making sure that > gt__NEED_NGETTEXT_FU expands to shell code in a lower diversion number > than AM_GNU_GETTEXT. That way, AM_GNU_GETTEXT can emit shell code that > depends on the value of a shell variable, where the shell variable is > guaranteed to be set (either to a default if gt__NEED_NGETTEXT_FU is never > called, or to a non-default by gt__NEED_NGETTEXT_FU) in an earlier diversion.
Thanks. Do you have an example of such use of diversions in autoconf macros but outside autoconf itself? What is the range of allowed diversion numbers? Bruno
