Update libxml to 2.7.7.

third_party/libxml/configure.in

 dnl Process this file with autoconf to produce a configure script.
 AC_INIT(entities.c)
 AM_CONFIG_HEADER(config.h)
+AC_CONFIG_MACRO_DIR([m4])
 AC_CANONICAL_HOST
 
 LIBXML_MAJOR_VERSION=2
-LIBXML_MINOR_VERSION=6
-LIBXML_MICRO_VERSION=32
+LIBXML_MINOR_VERSION=7
+LIBXML_MICRO_VERSION=7
 LIBXML_MICRO_VERSION_SUFFIX=
 LIBXML_VERSION=$LIBXML_MAJOR_VERSION.$LIBXML_MINOR_VERSION.$LIBXML_MICRO_VERSION$LIBXML_MICRO_VERSION_SUFFIX
 LIBXML_VERSION_INFO=`expr $LIBXML_MAJOR_VERSION + $LIBXML_MINOR_VERSION`:$LIBXML_MICRO_VERSION:$LIBXML_MINOR_VERSION
 
 LIBXML_VERSION_NUMBER=`expr $LIBXML_MAJOR_VERSION \* 10000 + $LIBXML_MINOR_VERSION \* 100 + $LIBXML_MICRO_VERSION`
 
 if test -f CVS/Entries ; then
   extra=`grep ChangeLog CVS/Entries | grep -v LIBXML | sed -e s\%/ChangeLog/1\.%% -e s\%/.*$%%`
   echo extra=$extra
   if test "$extra" != ""
   then
       LIBXML_VERSION_EXTRA="-CVS$extra"
   fi
 else if test -d .svn ; then
   extra=`svn info | grep Revision | sed 's+Revision: ++'`
   echo extra=$extra
   if test "$extra" != ""
   then
       LIBXML_VERSION_EXTRA="-SVN$extra"
   fi
+else if test -d .git ; then
+  extra=`git describe | sed 's+LIBXML[[0-9.]]*-++'`
+  echo extra=$extra
+  if test "$extra" != ""
+  then
+      LIBXML_VERSION_EXTRA="-GIT$extra"
+  fi
+fi
 fi
 fi
 AC_SUBST(LIBXML_MAJOR_VERSION)
 AC_SUBST(LIBXML_MINOR_VERSION)
 AC_SUBST(LIBXML_MICRO_VERSION)
 AC_SUBST(LIBXML_VERSION)
 AC_SUBST(LIBXML_VERSION_INFO)
 AC_SUBST(LIBXML_VERSION_NUMBER)
 AC_SUBST(LIBXML_VERSION_EXTRA)
 
@@ skipping 14 matching lines @@
 AC_PATH_PROG(XSLTPROC, xsltproc, /usr/bin/xsltproc)
 
 dnl Make sure we have an ANSI compiler
 AM_C_PROTOTYPES
 test "x$U" != "x" && AC_MSG_ERROR(Compiler not ANSI compliant)
 
 AC_LIBTOOL_WIN32_DLL
 AM_PROG_LIBTOOL
 
 dnl
+dnl if the system support linker version scripts for symbol versioning
+dnl then add it
+dnl
+VERSION_SCRIPT_FLAGS=
+# lt_cv_prog_gnu_ld is from libtool 2.+
+if test "$lt_cv_prog_gnu_ld" = yes; then
+  VERSION_SCRIPT_FLAGS=-Wl,--version-script=
+else
+  case $host in
+  *-*-sunos*) VERSION_SCRIPT_FLAGS="-Wl,-M -Wl,";;
+  esac
+fi
+AC_SUBST(VERSION_SCRIPT_FLAGS)
+AM_CONDITIONAL([USE_VERSION_SCRIPT], [test -n "$VERSION_SCRIPT_FLAGS"])
+
+dnl
 dnl We process the AC_ARG_WITH first so that later we can modify
 dnl some of them to try to prevent impossible combinations.  This
 dnl also allows up so alphabetize the choices
 dnl
 
 dnl
 dnl zlib option might change flags, so we save them initially
 dnl
 _cppflags="${CPPFLAGS}"
 _ldflags="${LDFLAGS}"
@@ skipping 83 matching lines @@
 AC_ARG_WITH(modules,
 [  --with-modules          add the dynamic modules support (on)])
 AC_ARG_WITH(zlib,
 [  --with-zlib[[=DIR]]       use libz in DIR],[
   if test "$withval" != "no" -a "$withval" != "yes"; then
     Z_DIR=$withval
     CPPFLAGS="${CPPFLAGS} -I$withval/include"
     LDFLAGS="${LDFLAGS} -L$withval/lib"
   fi
 ])
+AC_ARG_WITH(coverage,
+[  --with-coverage         build for code coverage with GCC (off)])
+
+AC_ARG_ENABLE(rebuild-docs,
+[  --enable-rebuild-docs[[=yes/no]]  rebuild some generated docs [[default=yes]]])
+AM_CONDITIONAL([REBUILD_DOCS], [test "$enable_rebuild_docs" = "no"])
 
 dnl
 dnl hard dependancies on options
 dnl
 if test "$with_schemas" = "yes"
 then
     with_pattern=yes
     with_regexps=yes
 fi
 if test "$with_schematron" = "yes"
@@ skipping 193 matching lines @@
 AC_HEADER_STDC
 AC_CHECK_HEADERS([fcntl.h])
 AC_CHECK_HEADERS([unistd.h])
 AC_CHECK_HEADERS([ctype.h])
 AC_CHECK_HEADERS([dirent.h])
 AC_CHECK_HEADERS([errno.h])
 AC_CHECK_HEADERS([malloc.h])
 AC_CHECK_HEADERS([stdarg.h])
 AC_CHECK_HEADERS([sys/stat.h])
 AC_CHECK_HEADERS([sys/types.h])
+AC_CHECK_HEADERS([stdint.h])
+AC_CHECK_HEADERS([inttypes.h.h])
 AC_CHECK_HEADERS([time.h])
 AC_CHECK_HEADERS([ansidecl.h])
 AC_CHECK_HEADERS([ieeefp.h])
 AC_CHECK_HEADERS([nan.h])
 AC_CHECK_HEADERS([math.h])
 AC_CHECK_HEADERS([limits.h])
 AC_CHECK_HEADERS([fp_class.h])
 AC_CHECK_HEADERS([float.h])
 AC_CHECK_HEADERS([stdlib.h])
 AC_CHECK_HEADERS([sys/socket.h], [], [],
@@ skipping 10 matching lines @@
 [#if HAVE_SYS_TYPES_H
 # include <sys/types.h>
 # endif
 #if HAVE_ARPA_INET_H
 # include <arpa/inet.h>
 # endif
 ])
 AC_CHECK_HEADERS([netdb.h])
 AC_CHECK_HEADERS([sys/time.h])
 AC_CHECK_HEADERS([sys/select.h])
+AC_CHECK_HEADERS([poll.h])
 AC_CHECK_HEADERS([sys/mman.h])
 AC_CHECK_HEADERS([sys/timeb.h])
 AC_CHECK_HEADERS([signal.h])
 AC_CHECK_HEADERS([arpa/nameser.h], [], [],
 [#if HAVE_SYS_TYPES_H
 # include <sys/types.h>
 # endif
 ])
 AC_CHECK_HEADERS([resolv.h], [], [],
 [#if HAVE_SYS_TYPES_H
@@ skipping 39 matching lines @@
     have___va_copy=yes,
     have___va_copy=no)
     AC_MSG_RESULT($have___va_copy)
     if test x"$have___va_copy" = x"yes"; then
         AC_DEFINE(HAVE___VA_COPY,1,[Whether __va_copy() is available])
     fi
 fi
 
 dnl Checks for inet libraries:
 AC_SEARCH_LIBS(gethostent, [nsl])
-AC_SEARCH_LIBS(setsockopt, [socket net])
+AC_SEARCH_LIBS(setsockopt, [socket net network])
 AC_SEARCH_LIBS(connect, [inet])
 
 dnl Determine what socket length (socklen_t) data type is
 AC_MSG_CHECKING([for type of socket length (socklen_t)])
 AC_TRY_COMPILE2([
 #include <stddef.h>
 #include <sys/types.h>
 #include <sys/socket.h>],[
 (void)getsockopt (1, 1, 1, NULL, (socklen_t *)NULL)],[
   AC_MSG_RESULT(socklen_t *)
@@ skipping 227 matching lines @@
                     PYTHON_SITE_PACKAGES=$libdir/python$PYTHON_VERSION/site-packages
                 else
                     echo could not find python$PYTHON_VERSION/Python.h
                 fi
             fi
             if test ! -d "$PYTHON_SITE_PACKAGES"
             then
                     PYTHON_SITE_PACKAGES=`$PYTHON -c "from distutils import sysconfig; print sysconfig.get_python_lib()"`
             fi
         fi
+        PYTHON_LIBS=`python$PYTHON_VERSION-config --ldflags`
     fi
     if test "$with_python" != ""
     then
         pythondir='$(PYTHON_SITE_PACKAGES)'
     else
         pythondir='$(libdir)/python$(PYTHON_VERSION)/site-packages'
     fi
 else
     PYTHON=
 fi
 AM_CONDITIONAL(WITH_PYTHON, test "$PYTHON_INCLUDES" != "")
 if test "$PYTHON_INCLUDES" != ""
 then
     PYTHON_SUBDIR=python
 else
     PYTHON_SUBDIR=
 fi
 AC_SUBST(pythondir)
 AC_SUBST(PYTHON_SUBDIR)
+AC_SUBST(PYTHON_LIBS)
 
 dnl check for dso support
 WITH_MODULES=0
 TEST_MODULES=
 
 if test "$with_modules" != "no" ; then
  case "$host" in
   *-*-cygwin*)
   MODULE_EXTENSION=".dll"
   AC_CHECK_LIB(cygwin, dlopen, [
     WITH_MODULES=1
     MODULE_PLATFORM_LIBS=
     AC_DEFINE([HAVE_DLOPEN], [], [Have dlopen based dso])
   ])
   ;;
+  *-*-mingw*)
+  MODULE_EXTENSION=".dll"
+  WITH_MODULES=1
+  ;;
   *)
   AC_CHECK_FUNC(shl_load, libxml_have_shl_load=yes, [
     AC_CHECK_LIB(dld, shl_load, [
       MODULE_PLATFORM_LIBS="-ldld"
       libxml_have_shl_load=yes], [
       AC_CHECK_FUNC(dlopen, libxml_have_dlopen=yes, [
         AC_CHECK_LIB(dl, dlopen, [
           MODULE_PLATFORM_LIBS="-ldl"
           libxml_have_dlopen=yes])])])])
 
@@ skipping 87 matching lines @@
 BASE_THREAD_LIBS=""
 WITH_THREADS=0
 THREAD_CFLAGS=""
 TEST_THREADS=""
 THREADS_W32=""
 
 if test "$with_threads" = "no" ; then
     echo Disabling multithreaded support
 else
     echo Enabling multithreaded support
-
-    AC_CHECK_HEADER(pthread.h,
-        AC_CHECK_LIB(pthread, pthread_join,[
-           THREAD_LIBS="-lpthread"
-           AC_DEFINE([HAVE_LIBPTHREAD], [], [Define if pthread library is there (-lpthread)])
-           AC_DEFINE([HAVE_PTHREAD_H], [], [Define if <pthread.h> is there])
-           WITH_THREADS="1"]))
+    dnl Use pthread by default
+    if test "$with_threads" = "pthread" || test "$with_threads" = "" || test "$with_threads" = "yes" ; then
+        AC_CHECK_HEADER(pthread.h,
+            AC_CHECK_LIB(pthread, pthread_join,[
+               THREAD_LIBS="-lpthread"
+               AC_DEFINE([HAVE_LIBPTHREAD], [], [Define if pthread library is there (-lpthread)])
+               AC_DEFINE([HAVE_PTHREAD_H], [], [Define if <pthread.h> is there])
+               WITH_THREADS="1"]))
+    fi
     case $host_os in
-       *mingw32*) WITH_THREADS="1"
-           THREADS_W32="Win32"
-           THREAD_CFLAGS="$THREAD_CFLAGS -DHAVE_WIN32_THREADS"
+       *mingw32*) if test "$THREAD_LIBS" != "-lpthread"; then
+               WITH_THREADS="1"
+               THREADS_W32="Win32"
+               THREAD_CFLAGS="$THREAD_CFLAGS -DHAVE_WIN32_THREADS"
+           fi
        ;;
        *cygwin*) THREAD_LIBS=""
        ;;
        *beos*) WITH_THREADS="1"
            THREAD_CFLAGS="$THREAD_CFLAGS -DHAVE_BEOS_THREADS"
        ;;
        *linux*)
            if test "${GCC}" = "yes" ; then
                GCC_VERSION=`${CC} --version | head -1 | awk '{print $3}'`
                GCC_MAJOR=`echo ${GCC_VERSION} | sed 's+\..*++'`
                GCC_MEDIUM=`echo ${GCC_VERSION} | sed 's+[[0-9]]*\.++' | sed 's+\..*++'`
                if test "${THREAD_LIBS}" = "-lpthread" ; then
                    if expr ${GCC_MEDIUM} \> 2 \& ${GCC_MAJOR} = 3 > /dev/null
                    then
                        THREAD_LIBS=""
                        BASE_THREAD_LIBS="-lpthread"
                    else
-                   if expr ${GCC_MAJOR} \> 3 > /dev/null 
+                   if expr ${GCC_MAJOR} \> 3 > /dev/null
                    then
                        THREAD_LIBS=""
                        BASE_THREAD_LIBS="-lpthread"
                    else
                        echo old GCC disabling weak symbols for pthread
                    fi
                    fi
                fi
            fi
        ;;
@@ skipping 350 matching lines @@
         }$xml_cv_iconv_decl])
                 AC_DEFINE_UNQUOTED(ICONV_CONST, $xml_cv_iconv_arg2,
                         [Define as const if the declaration of iconv() needs const.])
         fi
 fi
 case "$host" in
         *mingw*) M_LIBS=""
         ;;
         *beos*) M_LIBS=""
         ;;
+        *haiku*) M_LIBS=""
+        ;;
         *) M_LIBS="-lm"
         ;;
 esac
 XML_LIBS="-lxml2 $Z_LIBS $THREAD_LIBS $ICONV_LIBS $M_LIBS $LIBS"
 XML_LIBTOOLLIBS="libxml2.la"
 AC_SUBST(WITH_ICONV)
 
 WITH_ISO8859X=1
 if test "$WITH_ICONV" != "1" ; then
 if test "$with_iso8859x" = "no" ; then
@@ skipping 98 matching lines @@
  then
    CYGWIN_EXTRA_PYTHON_LIBADD="-L/usr/lib/python${PYTHON_VERSION}/config -lpython${PYTHON_VERSION}"
  fi
  ;;
 esac
 AC_SUBST(WIN32_EXTRA_LIBADD)
 AC_SUBST(WIN32_EXTRA_LDFLAGS)
 AC_SUBST(CYGWIN_EXTRA_LDFLAGS)
 AC_SUBST(CYGWIN_EXTRA_PYTHON_LIBADD)
 
+if test "$with_coverage" = "yes" -a "${GCC}" = "yes"
+then
+    echo Enabling code coverage for GCC
+    CFLAGS="$CFLAGS -fprofile-arcs -ftest-coverage"
+    LDFLAGS="$LDFLAGS -fprofile-arcs -ftest-coverage"
+else
+    echo Disabling code coverage for GCC
+fi
+
 AC_SUBST(CPPFLAGS)
 AC_SUBST(CFLAGS)
+AC_SUBST(LDFLAGS)
 AC_SUBST(XML_CFLAGS)
 
 AC_SUBST(XML_LIBDIR)
 AC_SUBST(XML_LIBS)
 AC_SUBST(XML_LIBTOOLLIBS)
 AC_SUBST(ICONV_LIBS)
 AC_SUBST(XML_INCLUDEDIR)
 AC_SUBST(HTML_DIR)
 AC_SUBST(HAVE_ISNAN)
 AC_SUBST(HAVE_ISINF)
@@ skipping 11 matching lines @@
 AC_SUBST(PYTHON_TESTS)
 
 rm -f COPYING.LIB COPYING
 ln -s Copyright COPYING
 
 # keep on one line for cygwin c.f. #130896
 AC_OUTPUT(libxml2.spec:libxml.spec.in Makefile include/Makefile include/libxml/Makefile doc/Makefile doc/examples/Makefile doc/devhelp/Makefile example/Makefile python/Makefile python/tests/Makefile xstc/Makefile include/libxml/xmlversion.h xml2-config libxml-2.0.pc libxml-2.0-uninstalled.pc python/setup.py)
 
 chmod +x xml2-config python/setup.py
 echo Done configuring