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Re: [Emacs-diffs] emacs-25 89e7483: * configure.ac: Find libxml2 headers


From: Herbert J. Skuhra
Subject: Re: [Emacs-diffs] emacs-25 89e7483: * configure.ac: Find libxml2 headers in Xcode SDK dir on Darwin.
Date: Thu, 31 Dec 2015 07:31:11 +0100
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On Thu, 31 Dec 2015 02:38:24 +0100,
YAMAMOTO Mitsuharu <address@hidden> wrote:
> 
> branch: emacs-25
> commit 89e7483d9f30153329335b6b8cd97d96a06a8897
> Author: YAMAMOTO Mitsuharu <address@hidden>
> Commit: YAMAMOTO Mitsuharu <address@hidden>
> 
>     * configure.ac: Find libxml2 headers in Xcode SDK dir on Darwin.
> ---
>  configure.ac |    8 ++++++++
>  1 files changed, 8 insertions(+), 0 deletions(-)
> 
> diff --git a/configure.ac b/configure.ac
> index 4233efa..9c783e6 100644
> --- a/configure.ac
> +++ b/configure.ac
> @@ -3615,6 +3615,14 @@ if test "${with_xml2}" != "no"; then
>    # Built-in libxml2 on OS X 10.8 lacks libxml-2.0.pc.
>    if test "${HAVE_LIBXML2}" != "yes" && test "$opsys" = "darwin"; then
>      SAVE_CPPFLAGS="$CPPFLAGS"
> +    if test -z "$xcsdkdir" -a -n "$XCRUN" -a ! -d /usr/include; then
> +      dnl /usr/include is not found.  Try Xcode SDK dir if it is sane.
> +      xcsdkdir=`$XCRUN --show-sdk-path 2>/dev/null`
> +      case $xcsdkdir in
> +     *[[\\\"\#\$\&\'\`$am_lf\ \      ]]*)
> +     xcsdkdir="" ;;
> +      esac
> +    fi
>      CPPFLAGS="$CPPFLAGS -I$xcsdkdir/usr/include/libxml2"
>      AC_CHECK_HEADER(libxml/HTMLparser.h,
>        [AC_CHECK_DECL(HTML_PARSE_RECOVER, HAVE_LIBXML2=yes, ,

Hi,

should this also work on MacOS X 10.11? Because I still get:

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

It works if I use

CPPFLAGS='-I/usr/local/Cellar/libxml2/2.9.3/include/libxml2' and
LDFLAGS='-L/usr/local/Cellar/libxml2/2.9.3/lib'.

or

CPPFLAGS='-I/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.11.sdk/usr/include/libxml2'

--
Herbert



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