Hi folks,
I noticed that it's possible to change AC_C_CHAR_UNSIGNED and
AC_C_LONG_DOUBLE to use AC_TRY_COMPILE rather than AC_TRY_RUN by using
the "switch with duplicate case labels" trick.
Benefits:
* Works equally well when cross-compiling
* Faster - no linking, and no test program to run
On
> "Olly" == Olly Betts <[EMAIL PROTECTED]> writes:
Olly> Only one potential down side I can see - is it known that this
Olly> trick works as expected everywhere?
I don't think we've tried it anywhere, but I imagine it is pretty
safe. There's another trick along similar lines: you can try to
In message <[EMAIL PROTECTED]>, Tom Tromey writes:
>Your patch has a problem if sizeof(int)==sizeof(char).
Oops, missed that one. Another case we'll rarely if ever meet, but
permitted by ANSI.
This defect is easy enough to correct by making use of your idea of a
potentially negative array dimen
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