Re: Compilation failure on macOS 10.15 Catalina

[Zach Pearson]

Robert: There does not appear to be a Packages directory this time around, but 
I’m open to the idea that my copy of Catalina is borked. 

Mitsuharu: Can you be more specific? Searching for libxml produces ~900 
matches. 

> On 26 Sep 2019, at 03:34, Robert Pluim <address@hidden> wrote:
> 
>>>>>> On Wed, 25 Sep 2019 14:55:03 -0500, Zach Pearson <zach@zjp.codes> said:
> 
>    Zach> I think that Apple has changed the way the Xcode command line tools 
> arrange headers on the system e.g. they are no longer put into /usr/include 
> but exist in 
>    Zach> /Library/Developer/CommandLineTools/usr/include/
> 
>    Zach> Because of this Emacs cannot find libxml/tree.h during the 
> compilation process. 
> 
>    Zach> I’ve found that adding this directory to ac_x_header_dirs in
>    Zach> configure, then re-running ./configure, the trying to compile allows
>    Zach> the program to build (the compiler output notes some deprecations but
>    Zach> they’re just warnings). Is this a patch that should be upstream?
> 
>    Zach> Thanks for any guidance/feedback. I’m not sure if this is a 
> permanent change and Apple intended for it to be that way or not. 
> 
> When this happens, which seems to be with every new Xcode release, I do
> 
>     $ cd /Library/Developer/CommandLineTools/Packages/
>     $ ls
>     macOS_SDK_headers_for_macOS_10.14.pkg
> 
> And then I run that .pkg file, which ends up producing:
> 
>    /usr/include/libxml2/libxml/tree.h
> 
> Robert
>