[Scons-users] Compiling with Scons on Mac arm64

[Bill Deegan]

toy would be better if it was entirely self contained and I don't need to
install anything extra to try it.
Is that possible?

On Tue, Feb 1, 2022 at 1:36 PM Paola Ferrario <paola.ferrario at dipc.org>
wrote:

> Hi Bill! Thank you for your answer!
>
> I’m using:
>
> SCons-4.0.1
> python 3.6.8
> MacOS Monterey 12.2, Apple M1 Pro
> CommandLineTools 13
> I don’t have XCode installed
>
> I’ve created a toy project, as you suggested:
> https://github.com/paolafer/toy-nexus. The only dependency is GEANT4 (
> https://geant4.web.cern.ch/support/download).
>
> Let me know if there anything else I can provide!
>
> Cheers
>
> Paola
>
> On 1 Feb 2022, at 19:33, Bill Deegan <bill at baddogconsulting.com> wrote:
>
> Paola,
>
> We need more information.
> Which version of Python, SCons, xcode?
>
> Can you provide a toy project in github to reproduce this issue?
>
> Then we can see directly your SCons usage and help resolve the issue.
>
> -Bill
>
> On Tue, Feb 1, 2022 at 9:36 AM Paola Ferrario <paola.ferrario at dipc.org>
> wrote:
>
>> Hi all!
>> I’m having a problem compiling my C++ application using Scons on a Mac
>> with M1 processor.
>> Specifically, it seems that it tries to compile for a x86_64
>> architecture, since I see a lot of warnings such as
>> "warning: ignoring file ..., building for macOS-x86_64 but attempting to
>> link with file built for macOS-arm64”
>> when linking to third-party libraries, correctly compiled in the arm64
>> architecture. After the warnings, the compilation ends with error
>> “ld: symbol(s) not found for architecture x86_64”
>>
>> I was wondering if there is a flag I can pass to the compiler to specify
>> the architecture. I’ve tried with
>>
>> -arch=arm64
>>
>> but it doesn’t work.
>> What should I do?
>>
>> Thank you and best regards
>>
>> Paola
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