[lug] Multiple gcc Versions On Fedora 27?

[mad.scientist.at.large at tutanota.com]

You do realize that using an outdated compiler is an excellent way to write INSECURE APPLICATIONS?  Don't you?  I wouldn't let students waste time making garbage with an old compiler.  Rewrite the routines you need.  Laziness is a big part of the security problem, it's why people continue to use insecure languages which is bad enough when not using an outdated compiler that produces code with known exploits.  Security is broken because no one cares until they get bit, then it's pass the buck.

mad.scientist.at.large (a good madscientist)
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13. Jun 2018 16:29 by davide.del.vento at gmail.com <mailto:davide.del.vento at gmail.com>:


> I gave a talk to BLUG a while back, covering various things including this one. I think I shared the slided back then, search for the list archive, or the website for past talks.> Let me know if you don't find anything
>
> On Wed, Jun 13, 2018 at 4:11 PM, Calvin Dodge <> caldodge at gmail.com <mailto:caldodge at gmail.com>> > wrote:
>
>> Have you tried using environment modules? You'd install gcc 6 in a
>> non-standard location, then create a module file which you can load to
>> use gcc 6 when needed.
>>
>> Calvin
>>
>> On Wed, Jun 13, 2018 at 4:12 PM,  <>> stimits at comcast.net <mailto:stimits at comcast.net>>> > wrote:
>> > Hi,
>> >
>> > So my thoughts on cross package management has me thinking about something
>> > else. I have some software/libraries on my Fedora 27 which can't be used
>> > with gcc 7, so I am thinking about trying to dual install with gcc 6. The
>> > trouble is that the ABI has had changes and there are no compat gcc 6
>> > packages available...the entire linker system would need to exist
>> > twice...once for the older gcc 6, and once for the current gcc 7. Does
>> > anyone here have any thoughts on how difficult it would be to get both gcc 6
>> > and 7 (with linker environments) working simultaneously?
>> >
>> > Thanks!
>> >
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