GNU bug report logs - #32927
27.0.50; libxml not found when building on macOS Mojave

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From: Philipp Stephani <p.stephani2 <at> gmail.com>
To: YAMAMOTO Mitsuharu <mituharu <at> math.s.chiba-u.ac.jp>
Cc: Glenn Morris <rgm <at> gnu.org>, 32927 <at> debbugs.gnu.org
Subject: bug#32927: 27.0.50; libxml not found when building on macOS Mojave
Date: Thu, 4 Oct 2018 23:22:22 +0200

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YAMAMOTO Mitsuharu <mituharu <at> math.s.chiba-u.ac.jp> schrieb am Do., 4. Okt.
2018 um 07:24 Uhr:

> On Thu, 04 Oct 2018 08:10:35 +0900,
> Glenn Morris wrote:
> >
> >
> > Is this the perennial "xcode-select --install" issue again?
> >
> > Bug#18779, 22552, 24068, 27526#74, 29931, ...
> > https://lists.gnu.org/r/emacs-devel/2015-11/msg01926.html
>
> I've received a similar report for the Mac port, and the situation was
> a bit different.  Unlike the previous versions, the Command Line Tools
> package for Xcode 10 no longer installs the header files into
> /usr/include on macOS 10.14 (*).
>
> *:
> https://developer.apple.com/documentation/xcode_release_notes/xcode_10_release_notes
>
> The culprit for the above case was the bogus libxml-2.0.pc file that
> refers to nonexistent /usr/include.  Philipp, could you try
>
>   $ pkg-config --cflags --libs "libxml-2.0 > 2.6.17
>
> to see if it refers to /usr/include ?  If so, locate the erroneous
> config file by the following command:
>
>   $ pkg-config --variable pcfiledir "libxml-2.0 > 2.6.17"
>


Yes, looks like this is the problem:

$ pkg-config --cflags --libs "libxml-2.0 > 2.6.17"

-I/usr/include/libxml2 -lxml2


$ pkg-config --variable pcfiledir "libxml-2.0 > 2.6.17"

/usr/local/Homebrew/Library/Homebrew/os/mac/pkgconfig/10.12


And xcode-select --install doesn't help (because /usr/include doesn't
exist).

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