Eric Blake b4f0a5079d Warn if using unnamed diversion. ... * lib/m4sugar/m4sugar.m4 (_m4_divert, m4_divert_push): Add optional parameter, which controls warning. (m4_divert_pop, m4_cleardivert, m4_divert_require) (_m4_require_call): Adjust callers. * lib/m4sugar/m4sh.m4 (AS_REQUIRE): Likewise. * tests/m4sh.at (AT_DATA_LINENO): Avoid triggering the warning. * tests/m4sugar.at (AT_CHECK_M4SUGAR_TEXT, m4@&t@_append) (m4@&t@_text_wrap, recursion): Likewise. (m4@&t@_warn, m4@&t@_divert_stack): Adjust expected output. * tests/tools.at (autom4te and whitespace in file names) (autoconf: the empty token): Avoid triggering the warning. (autoconf: AC_PRESERVE_HELP_ORDER): New test. * tests/mktests.sh (ac_exclude_list): Retire prior test. * NEWS: Document the warning. * doc/autoconf.texi (Redefined M4 Macros) <m4_divert>, <m4_undivert>: Make even more explicit that using these directly is discouraged. (Diversion support): Further warn against improper diversion changes. <m4_divert_text>: Give an example of proper use. Reported by Mike Frysinger. Signed-off-by: Eric Blake <ebb9@byu.net>		2009-12-04 21:18:07 -07:00
..
autoconf	Fix AC_FUNC_MMAP regression with C++ compiler in 2.65.	2009-11-24 11:36:53 +01:00
Autom4te	Update upstream files.	2009-11-04 19:38:49 -07:00
autoscan	Update License to GPLv3+ including new Autoconf Exception.	2009-09-09 19:53:31 +02:00
autotest	Allow absolute names in AT_TESTED.	2009-11-20 15:29:38 -07:00
emacs	Update License to GPLv3+ including new Autoconf Exception.	2009-09-09 19:53:31 +02:00
m4sugar	Warn if using unnamed diversion.	2009-12-04 21:18:07 -07:00
autom4te.in	Update License to GPLv3+ including new Autoconf Exception.	2009-09-09 19:53:31 +02:00
freeze.mk	Update License to GPLv3+ including new Autoconf Exception.	2009-09-09 19:53:31 +02:00
Makefile.am	Use pkgdatadir consistently.	2009-02-24 09:38:01 -07:00