Re: ANN: GNUstep Windows MSVC Toolchain Scripts

[Frederik Seiffert]

Hi David,

> Am 19.03.2021 um 15:58 schrieb David Chisnall <gnustep@theravensnest.org>:
> 
> That's great news, congratulations!

Thank you for all your help making it happen!


> If you look at the build for libobjc2 on Windows, because we're using a CMake 
> version that predates official support for either Objective-C or using the 
> gcc-compatible driver, we have the same problem with /TP being added.  We 
> work around this with an undocumented feature of clang where you can provide 
> an environment variable that removes flags from the command line.  You can 
> probably set that in your Visual Studio build. Setting this strips the TC and 
> TP flags from clang invocations:
> 
> CCC_OVERRIDE_OPTIONS=x-TC x-TP x/TC x/TP

Good idea using CCC_OVERRIDE_OPTIONS, that should probably work fine. 
Ultimately I’m hoping that we can come up with something more integrated like a 
custom build tool spec in VS, so .m and .mm files automatically get all the 
right flags.


> It would be great at some point to remove the pthread-w32 dependency. 
> SRWLocks and ConditionVariables on Windows seem to provide everything we need 
> for NSLock* and be a fairly small amount of code.

Yeah absolutely, I just wanted to make sure we could actually get this working 
before spending time on improvements. I also expect to spend a lot of time on 
fixes while integrating the toolchain in our project.

Frederik