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Re: macOS 64-bit

From: Hans Åberg
Subject: Re: macOS 64-bit
Date: Fri, 17 May 2019 21:27:21 +0200

> On 17 May 2019, at 21:14, Marnen Laibow-Koser <address@hidden> wrote:
> On Fri, May 17, 2019 at 3:06 PM Hans Åberg <address@hidden> wrote:
>> LilyPond uses Guile 1.8, not the latest, and the lilypond in MacPorts uses 
>> gcc8, not the latest supported gcc9.
> Will it build with GCC 9?

That would need to be tested, but Werner said gcc9 does not build on earlier 
MacOS, and I saw somebody complaining it having clang listed as a dependency.

>> As for the SDK, the one they use is the latest having a true GCC, which is 
>> gcc4, I think, and what is called gcc after that is instead clang, not the 
>> official version, but an inhouse version, and lilypond does not compile with 
>> any of them.
> Hmm.  If LilyPond won’t compile with Clang/LLVM, I wonder if that would be a 
> problem for 64-bit Mac builds, because I don’t know if the macOS SDK will 
> build with GCC.  (It certainly might; I haven’t checked.)

One problem was different interpretation of some C++ templates, so that would 
have to be rewritten in LilyPond.

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