Proprietary software with modified version of libstdc++..

[Jonathan Wakely]

On 6 November 2014 02:41, Pankaj Chauhan wrote:
> Hi,
>
> I wanted to get your opinion about shipping proprietary software built with
> a version of libstdc++ that we had to modify to address the bug below.
> https://gcc.gnu.org/bugzilla/show_bug.cgi?id=17215
>
> This has hit us really hard, manifesting in multiple, painful to debug
> crashes.

Why do you need to use such an ancient version then?

> Does the GPL+exceptions license of libstdc++ allow use to ship our software,
> where we have modified the version of fstream? If not, it effectively means
> we have to invent our own fstream, or use plain C style file I/O.

Ask a lawyer and read http://www.gnu.org/licenses/gcc-exception-faq.html

Assuming your modified version is GPL-compatible this is relevant:
"So, if you use GCC, with or without GPL-compatible enhancements, that
would be an Eligible Compilation Process."