(autocf21.info.gz) Changed Macros
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13.3 Changed Macros
===================
Many of the macros were renamed in Autoconf version 2. You can still
use the old names, but the new ones are clearer, and it's easier to find
the documentation for them. Old Macro Names, for a table
showing the new names for the old macros. Use the `autoupdate' program
to convert your `configure.in' to using the new macro names.
Invoking autoupdate.
Some macros have been superseded by similar ones that do the job
better, but are not call-compatible. If you get warnings about calling
obsolete macros while running `autoconf', you may safely ignore them,
but your `configure' script will generally work better if you follow
the advice it prints about what to replace the obsolete macros with. In
particular, the mechanism for reporting the results of tests has
changed. If you were using `echo' or `AC_VERBOSE' (perhaps via
`AC_COMPILE_CHECK'), your `configure' script's output will look better
if you switch to `AC_MSG_CHECKING' and `AC_MSG_RESULT'. Printing
Messages. Those macros work best in conjunction with cache
variables. Caching Results.
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