bug#22552: 25.1; 25.0.90 build fails on Mac OS X 10.11

[YAMAMOTO Mitsuharu]

>>>>> On Thu, 4 Feb 2016 09:31:07 -0600, Henry Unger <hunger@hitech.com> said:

> On Apple Mac running OS X 10.11:
> Downloaded ftp://alpha.gnu.org/gnu/emacs/pretest/emacs-25.0.90.tar.xz
> Unpacked it.
> Ran ./configure
> Ran make
> Compile stopped with:

>   CC       xml.o
> xml.c:23:10: fatal error: 'libxml/tree.h' file not found
> #include <libxml/tree.h>
>          ^
> 1 error generated.
> make[1]: *** [xml.o] Error 1
> make: *** [src] Error 2

> On my system, that file is found in:

> /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.11.sdk/usr/include/libxml2/libxml

> This may be related to:

> 2015-12-31 YAMAMOTO Mitsuharu <mituharu@math.s.chiba-u.ac.jp>

> * configure.ac: Find libxml2 headers in Xcode SDK dir on Darwin.

> I ran:

> $ xcrun --show-sdk-path
> /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.11.sdk

> config.status has:

> S["LIBXML2_LIBS"]="-lxml2 "
> S["LIBXML2_CFLAGS"]="-I/usr/include/libxml2 "

What's the output of "pkg-config --cflags 'libxml-2.0 > 2.6.17'" ?
Do you have the directory /usr/include ?

                                     YAMAMOTO Mitsuharu
                                mituharu@math.s.chiba-u.ac.jp