On Fri, Mar 03, 2000 at 04:05:57PM +0100, Akim Demaille wrote:
: >>>>> "Lars" == Lars J Aas <[EMAIL PROTECTED]> writes:
:
: Lars> I want to use diverts in some macros, and wonder if there is any
: Lars> divert management system for reserving/freeing divert numbers in
: Lars> autoconf (couldn't find any with a quick grep at least). The
: Lars> point is, if other macros are using diverts too, I don't want my
: Lars> diverts to clash with those diverts and vice versa. If I just
: Lars> pick a random divert number off the top of my head, it's only a
: Lars> question of time before diverts start to clash, which I'm really
: Lars> going to appreciate debugging :-P If divert numbers are
: Lars> reserved/freed dynamically OTOH, this can be avoided.
: Starting at a high number, you shouldn't meet any problems :)
Exactly - that's what the other dude will be thinking too...
: Using diversion is (currently) limited to Autoconf internals, so
: currently there is no means to know which ones are used. you may find
: the list of diversions used at the top of acgeneral.m4:
:
: define(AC_DIVERSION_KILL, -1)# suppress output
: define(AC_DIVERSION_BINSH, 0)# AC_REQUIRE'd #! /bin/sh line
: define(AC_DIVERSION_NOTICE, 1)# copyright notice & option help strings
: define(AC_DIVERSION_INIT, 2)# initialization code
: define(AC_DIVERSION_NORMAL_4, 3)# AC_REQUIRE'd code, 4 level deep
: define(AC_DIVERSION_NORMAL_3, 4)# AC_REQUIRE'd code, 3 level deep
: define(AC_DIVERSION_NORMAL_2, 5)# AC_REQUIRE'd code, 2 level deep
: define(AC_DIVERSION_NORMAL_1, 6)# AC_REQUIRE'd code, 1 level deep
: define(AC_DIVERSION_NORMAL, 7)# the tests and output code
: define(AC_DIVERSION_CMDS, 8)# extra shell commands in config.status
: define(AC_DIVERSION_ICMDS, 9)# extra initialization in config.status
In my book, this would be
m4_diversion_reserve([AC_DIVERSION_KILL], -1)
...
Later on, I would be able to do something like:
m4_divert_new([lja_divert])
AC_DIVERT_PUSH(lja_divert)
...
AC_DIVERT_POP()
...
undivert(lja_divert)
m4_divert_free([lja_divert])
Something along these lines would make me sleep better at night ;)
Lars J
