1 |
On 10/24/14 11:31, "Paweł Hajdan, Jr." wrote: |
2 |
> On 10/24/14 4:31 PM, Anthony G. Basile wrote: |
3 |
>> I've update the c++ news item for your consideration. I incorporated |
4 |
>> suggestions, in particular a note about incompatibility between c++11 |
5 |
>> compiled with different version of gcc differing in minor number (eg 4.7 |
6 |
>> and 4.8). |
7 |
> |
8 |
> Thanks, I think this is an improvement. |
9 |
> |
10 |
> I'd still prefer an explicit mention that having gcc-4.7 and 4.8 |
11 |
> installed simultaneously leads to known breakages, especially if 4.7 is |
12 |
> the active gcc version. The text of the news item implies this, but it's |
13 |
> just not obvious. |
14 |
> |
15 |
> Also consider explicitly mentioning |
16 |
> <https://bugs.gentoo.org/show_bug.cgi?id=513386>. Obviously this |
17 |
> wouldn't be a complete list of issues, but from the CC list it's a |
18 |
> pretty common bug. |
19 |
> |
20 |
|
21 |
I agree, this bug is an example of the issues we'll have to face moving |
22 |
forward with 4.8/4.9 and c++. I can reference it. |
23 |
|
24 |
> If in doubt, consider this question: what would be bad about including |
25 |
> the info I suggested above? |
26 |
|
27 |
You don't need to convince me. Its a good example. There's no |
28 |
particular reason I didn't mention it. |
29 |
|
30 |
> |
31 |
> Paweł |
32 |
> |
33 |
|
34 |
So I don't have to keep email the entire item to the list, how about |
35 |
just adding it as follows: |
36 |
|
37 |
"Nor is c++11 code compiled with gcc-4.7 ABI-compatible with c++11 |
38 |
compiled with 4.8, and vice versa. An example can be see in ref. [2]" |
39 |
|
40 |
Ref. |
41 |
[2] https://bugs.gentoo.org/show_bug.cgi?id=513386 |
42 |
|
43 |
|
44 |
-- |
45 |
Anthony G. Basile, Ph. D. |
46 |
Chair of Information Technology |
47 |
D'Youville College |
48 |
Buffalo, NY 14201 |
49 |
(716) 829-8197 |