[Scons-users] Assembly compiler flags

[Keith Snively]

The SConstruct I sent is simplified.  We do override env['AS'] based on the
platform. I have been compiling on a platform with it set to ml64 without
issue so far.

Thanks,
Keith

On Tue, Oct 10, 2023 at 2:16 PM Mats Wichmann <mats at wichmann.us> wrote:

> On 10/10/23 12:04, Keith Snively wrote:
>
> >     A small reproducer would therefore be really helpful...
> >
> >
> > Ugh.  When creating an example I came across the following line in the
> > SConstruct that copies the CPPDEFINES to ASFLAGS:
> >
> >      for cdef in local_env['CPPDEFINES']:
> >          local_env.AppendUnique(ASFLAGS = ['/D' + cdef[0] ])
> >
> > The issue is the entries in CPPDEFINES were a tuple, but are now a
> > string (starting in 4.5.0).  Updating this to just append cdef resolves
> > the issue.
> >
> > Thanks for the help and sorry for the false start.
>
> Ah, cool! Glad to hear it.
>
> One of the problems with the "old way" was the format of CPPDEFINES
> wasn't guaranteed. Depending on how you'd added things to it, it could
> be a list of strings, or a list of tuples, or a dictionary - and might
> even change over time.  So relying on any particular format was "broken"
> (for some value of that word).  Of course, the docs didn't say that.  I
> did try hard not to break anyone, but...
>
> Hopefully it will be more stable and predictable now.
>
>
> While I've got your attention, the tool initializer module currently
> does this, unconditionally:
>
>      env['AS']        = 'ml'
>
>
> I'm presuming you override that, since 'ml' is only for 32-bit code.
> Has using 'ml64' caused any issues that we might consider in updating
> the tool module?
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