Libgcc: new version won't deactivate the old version

[Christopher Jones]

> On 4 Dec 2020, at 2:36 am, Michael <keybounce at gmail.com> wrote:
> 
>> --->  Computing dependencies for libgcc
>> The following dependencies will be installed:  libgcc10
>> Continue? [Y/n]: y
>> --->  Activating libgcc10 @10.2.0_3
>> Error: Failed to activate libgcc10: Image error: /opt/local/include/gcc/c++/algorithm is being used by the active libgcc port.  Please deactivate this port first, or use 'port -f activate libgcc10' to force the activation.
> 
> Is there a reason that trying to activate the new libgcc does not deactivate the old libgcc?
> 


That particular message can only occur if you have not updated your ports in a very long time, as the change that made libgcc a stub port happened several years ago now.... If you don’t update regularly you can run into issues like this.

In this case, just follow the instructions as given and force deactivate.

Chris
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