Re: building emacs on macos 10.15, headers missing

[조성빈]

> 2019. 10. 17. 오후 6:31, Alan Third <address@hidden> 작성:
> 
> On Wed, Oct 16, 2019 at 06:46:12AM +0900, Jean-Christophe Helary wrote:
>>> Is libxml2 the only thing it balks at?
>> Yes, as far as I can tell.
>>> I considered adding a homebrew
>>> check for it in configure, but thought the homebrew folk would
>>> eventually fix the pkg-config error they introduced so it wasn’t worth
>>> it.
>> error ?
> 
> Homebrew provide a broken .pc file for the system libxml2, it should
> be in 
> 
>   /usr/local/Homebrew/Library/Homebrew/os/mac/pkgconfig/<os 
> version>/libxml-2.0.pc
> 
> and points to /usr/include even if it doesn’t exist. I can’t find the
> bug report right now, but they had a solution and were just waiting
> for someone to implement it. Looks like that’s not happened yet.

This is just a curiosity, but is that strictly Homebrew’s fault or is it from 
upstream (pkg-config) one?

>>> Perhaps now is the time to add that check to configure.
>> I'd be happy to test.
> 
> Patch attached. It’s very simple. There’s some code just after the new
> code I’ve added that should check for the existence of the xcode SDK
> directory, but I think the bogus .pc file provided by homebrew stops
> it from running. But I’ve a feeling it maybe doesn’t work anyway...
> -- 
> Alan Third
> <0001-Allow-configure-to-find-libxml2-installed-by-homebre.patch>