gcc 4.3: when will it become standard compiler?
christoph.mallon at gmx.de
Fri Jan 9 06:28:24 PST 2009
Roman Divacky schrieb:
> On Fri, Jan 09, 2009 at 02:32:01PM +0100, Christoph Mallon wrote:
>> Roman Divacky schrieb:
>>>> I'm not saying it's wrong to look for alternatives, but you cannot just
>>>> change your system compiler like you change underwear.
>>> well... the first step is imho starting to compile world with C99...
>>> that might reveal some bugs, note that as of a few months ago
>>> 8-current compiles cleanly with C99, that does not mean that it's
>>> working when you run those programs correctly :)
>> One step in the right direction is embracing the nice features modern C
>> offers you. For example declaring a variable right were you need it
>> instead of dozens of lines away is one such nice thing which improves
>> readability. Designated initializers improve readability, too.
>> But I'm not exactly sure what you mean by "compile world with C99". C99
>> is pretty much backwards compatible to C89.
> sorry for the bad wording - I meant to turn C99 compilation on default.
> We compile in gnu89 mode now.
I still have no idea what you mean. Sure, you can specify -std=c99 (or
more likely gnu99), but an int is still an int - what do you expect? In
fact default mode of GCC accepts many C99 constructs like // comments
and mixed declarations and code, which are not valid C89.
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