Re: warning: module to simplify adding compiler warnings

[Eric Blake]

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According to Paolo Bonzini on 11/11/2008 5:52 AM:
>> AS_LITERAL_IF is not documented in autoconf 2.63. Is there a documented
>> replacement?
> 
> No, but it has been forever in M4sh.  I'll prepare a documentation patch.

It's already been documented, as part of documenting AS_VAR (the
documentation is only in autoconf.git, but the macro has indeed been
around for a long time).

> 
>> Also, if only one argument is given, won't this do an AC_SUBST([]) ?
> 
> Yes.  And I thought it was a no-op (that's why I AC_SUBSTed WARN_CFLAGS
> separately), but it gives an error.

Should AS_LITERAL_IF be taught to treat the empty argument as non-literal?

- --
Don't work too hard, make some time for fun as well!

Eric Blake             address@hidden
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