Re: autoconf 2.72/2.73 on RCS

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On 2023-04-03 01:00, Frederic Berat wrote:
> It would have been nice to keep these macro around for backward
> compatibility. Assuming they are only used by gnulib, they wouldn't
> need to be kept for too long.

Fair enough. I installed the attached into Autoconf on savannah, so that 
one should be able to use bleeding-edge Autoconf on the current RCS release.

This patch uses m4_define rather than AU_DEFUN because 
_AC_SYS_LARGEFILE_TEST_CODE is defined via m4_define rather than via 
AC_DEFUN. So the user is not warned that _AC_SYS_LARGEFILE_TEST_INCLUDES 
is obsolete. I don't know why _AC_SYS_LARGEFILE_TEST_CODE doesn't use 
AC_DEFUN, so I'll cc this to Zack (who wrote that code) to see whether 
we can change to AC_DEFUN and AU_DEFUN here.
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