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


From: YAMAMOTO Mitsuharu
Subject: Re: [Emacs-diffs] emacs-25 89e7483: * configure.ac: Find libxml2 headers in Xcode SDK dir on Darwin.
Date: Thu, 31 Dec 2015 16:16:03 +0900
User-agent: Wanderlust/2.14.0 (Africa) SEMI/1.14.6 (Maruoka) FLIM/1.14.8 (Shij┼Ź) APEL/10.6 Emacs/22.3 (sparc-sun-solaris2.8) MULE/5.0 (SAKAKI)

>>>>> On Thu, 31 Dec 2015 07:31:11 +0100, "Herbert J. Skuhra" <address@hidden> 
>>>>> said:

> 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'

I'm using OS X 10.10.5 and 10.11.2 without command line developer
tools installed on my laptop.  Could you show me the output of the
following commands?

  $ xcrun --show-sdk-path
  $ xcrun --sdk macosx --show-sdk-path

                                     YAMAMOTO Mitsuharu
                                address@hidden



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