Porting from old to new GCC versions

[Andreas Schwab]

Hendrik Greving <hendrik.greving.intel@gmail.com> writes:

> Hi, I have a hard time finding a good description of how old, obsolete
> and now poisoned target macros and backend switches had been replaced
> with. Examples are TARGET_SWITCHES, or CAN_DEBUG_WITHOUT_FP. I am
> porting from a very old compiler version. Is there any documentation
> (except ChangeLog which doesn't say much) available for these kind of
> patches?

I think the commit that introduced the poisoning is a good source.

Andreas.

-- 
Andreas Schwab, schwab@linux-m68k.org
GPG Key fingerprint = 58CA 54C7 6D53 942B 1756  01D3 44D5 214B 8276 4ED5
"And now for something completely different."