Roll libxml to 2.9.3

third_party/libxml/src/m4/lt~obsolete.m4

Index: third_party/libxml/src/m4/lt~obsolete.m4
diff --git a/third_party/tcmalloc/vendor/m4/lt~obsolete.m4 b/third_party/libxml/src/m4/lt~obsolete.m4
similarity index 90%
copy from third_party/tcmalloc/vendor/m4/lt~obsolete.m4
copy to third_party/libxml/src/m4/lt~obsolete.m4
index 637bb2066c425f79faecd6cc9e4e6b5074c6b55c..c6b26f88f6c3c1a052afa6314ba2adf832d785ee 100644
--- a/third_party/tcmalloc/vendor/m4/lt~obsolete.m4
+++ b/third_party/libxml/src/m4/lt~obsolete.m4
@@ -1,17 +1,18 @@
 # lt~obsolete.m4 -- aclocal satisfying obsolete definitions.    -*-Autoconf-*-
 #
-#   Copyright (C) 2004, 2005, 2007 Free Software Foundation, Inc.
+#   Copyright (C) 2004-2005, 2007, 2009, 2011-2015 Free Software
+#   Foundation, Inc.
 #   Written by Scott James Remnant, 2004.
 #
 # This file is free software; the Free Software Foundation gives
 # unlimited permission to copy and/or distribute it, with or without
 # modifications, as long as this notice is preserved.
 
-# serial 4 lt~obsolete.m4
+# serial 5 lt~obsolete.m4
 
 # These exist entirely to fool aclocal when bootstrapping libtool.
 #
-# In the past libtool.m4 has provided macros via AC_DEFUN (or AU_DEFUN)
+# In the past libtool.m4 has provided macros via AC_DEFUN (or AU_DEFUN),
 # which have later been changed to m4_define as they aren't part of the
 # exported API, or moved to Autoconf or Automake where they belong.
 #
@@ -25,7 +26,7 @@
 # included after everything else.  This provides aclocal with the
 # AC_DEFUNs it wants, but when m4 processes it, it doesn't do anything
 # because those macros already exist, or will be overwritten later.
-# We use AC_DEFUN over AU_DEFUN for compatibility with aclocal-1.6. 
+# We use AC_DEFUN over AU_DEFUN for compatibility with aclocal-1.6.
 #
 # Anytime we withdraw an AC_DEFUN or AU_DEFUN, remember to add it here.
 # Yes, that means every name once taken will need to remain here until
@@ -77,7 +78,6 @@ m4_ifndef([AC_DISABLE_FAST_INSTALL],	[AC_DEFUN([AC_DISABLE_FAST_INSTALL])])
 m4_ifndef([_LT_AC_LANG_CXX],		[AC_DEFUN([_LT_AC_LANG_CXX])])
 m4_ifndef([_LT_AC_LANG_F77],		[AC_DEFUN([_LT_AC_LANG_F77])])
 m4_ifndef([_LT_AC_LANG_GCJ],		[AC_DEFUN([_LT_AC_LANG_GCJ])])
-m4_ifndef([AC_LIBTOOL_RC],		[AC_DEFUN([AC_LIBTOOL_RC])])
 m4_ifndef([AC_LIBTOOL_LANG_C_CONFIG],	[AC_DEFUN([AC_LIBTOOL_LANG_C_CONFIG])])
 m4_ifndef([_LT_AC_LANG_C_CONFIG],	[AC_DEFUN([_LT_AC_LANG_C_CONFIG])])
 m4_ifndef([AC_LIBTOOL_LANG_CXX_CONFIG],	[AC_DEFUN([AC_LIBTOOL_LANG_CXX_CONFIG])])
@@ -90,3 +90,10 @@ m4_ifndef([AC_LIBTOOL_LANG_RC_CONFIG],	[AC_DEFUN([AC_LIBTOOL_LANG_RC_CONFIG])])
 m4_ifndef([_LT_AC_LANG_RC_CONFIG],	[AC_DEFUN([_LT_AC_LANG_RC_CONFIG])])
 m4_ifndef([AC_LIBTOOL_CONFIG],		[AC_DEFUN([AC_LIBTOOL_CONFIG])])
 m4_ifndef([_LT_AC_FILE_LTDLL_C],	[AC_DEFUN([_LT_AC_FILE_LTDLL_C])])
+m4_ifndef([_LT_REQUIRED_DARWIN_CHECKS],	[AC_DEFUN([_LT_REQUIRED_DARWIN_CHECKS])])
+m4_ifndef([_LT_AC_PROG_CXXCPP],		[AC_DEFUN([_LT_AC_PROG_CXXCPP])])
+m4_ifndef([_LT_PREPARE_SED_QUOTE_VARS],	[AC_DEFUN([_LT_PREPARE_SED_QUOTE_VARS])])
+m4_ifndef([_LT_PROG_ECHO_BACKSLASH],	[AC_DEFUN([_LT_PROG_ECHO_BACKSLASH])])
+m4_ifndef([_LT_PROG_F77],		[AC_DEFUN([_LT_PROG_F77])])
+m4_ifndef([_LT_PROG_FC],		[AC_DEFUN([_LT_PROG_FC])])
+m4_ifndef([_LT_PROG_CXX],		[AC_DEFUN([_LT_PROG_CXX])])