gcc & libgcc 6/7/8

Christopher Jones jonesc at hep.phy.cam.ac.uk
Thu Jun 29 20:16:55 UTC 2017


In my opinion libgcc should be based on the latest stable gcc release, which is now gcc7. Right now, if I try and install gcc 7 I get

> Oberon ~ > sudo port install gcc7
> Portfile changed since last build; discarding previous state.
> --->  Computing dependencies for gcc7
> Error: Can't install libgcc-devel because conflicting ports are active: libgcc
> Error: Follow https://guide.macports.org/#project.tickets to report a bug.
> Error: Processing of port gcc7 failed

which in my opinion should be resolved.


> On 29 Jun 2017, at 8:49 pm, Michael Dickens <michaelld at macports.org> wrote:
> I recently noticed that gcc7 had an update, and so I've started updating
> it. I'll move it to the 7.1 release shortly. There's also a new gcc8
> snapshot that I'll look into getting up for folks on the bleeding edge
> to try out (as I'm often asked to do for UHD / Volk / GNU Radio).
> The question comes up as to what version "libgcc" should be. Right now
> libgcc is a subport of gcc6. gcc7 requires an updated version of libgcc,
> as I'm guessing gcc8 does.
> I can easily leave libgcc attached to gcc6, and then disable
> libgcc-devel in favor of libgcc7 and libgcc8 ... but, I'm pretty new at
> the gcc / libgcc combo so I'm really not sure what the best or proper
> way to go here is.
> Looking for thoughts and direction on how to proceed. Thx! - MLD

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