fix libxml compilation error

diff --git a/configure.ac b/configure.ac
index 1d8f92278e81e4d598fb275a9eda0d3831ec3a9c..dc411434a54c9582696e08e58da4fbe08c635d37 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -150,7 +150,7 @@ AC_ARG_ENABLE(tools,
 
 dnl check libxml2 (needed for tools)
 if test "$build_tools" != "false" ; then
-       PKG_CHECK_MODULES(LIBXML2, [libxml-2.0],[],
+       PKG_CHECK_MODULES(LIBXML2, [libxml-2.0 >= 2.9 ],[],
        [
                if test "$build_tools" = "true" ; then
                        AC_MSG_ERROR([Could not found libxml2, tools cannot be compiled.])