Go back to the old way of detecting headers.

Change-Id: Iabad8f0a3936fa30d4ba68a717a79e4e0b497991

configure.ac

@@ -8082,8 +8082,6 @@ if test "$with_system_mdds" = "yes"; then
     AC_MSG_RESULT([external])
     SYSTEM_MDDS=YES
 
-    PKG_CHECK_MODULES(MDDS, mdds >= 0.8.0)
-
     dnl ===================================================================
     dnl Determine which hash container mdds shall use
     dnl ===================================================================
@@ -8095,6 +8093,16 @@ if test "$with_system_mdds" = "yes"; then
         MDDS_CPPFLAGS="-DMDDS_HASH_CONTAINER_BOOST"
         AC_MSG_RESULT([boost::unordered_map])
     fi
+
+    AC_LANG_PUSH([C++])
+    save_CPPFLAGS="$CPPFLAGS"
+    CPPFLAGS="$CPPFLAGS $MDDS_CPPFLAGS"
+    AC_CHECK_HEADER(mdds/multi_type_vector.hpp, [],
+        [AC_MSG_ERROR(mdds/multi_type_vector.hpp not found. Install mdds >= 0.8.0)], [])
+    AC_CHECK_TYPE(mdds::multi_type_vector<int>::iterator, [],
+        [AC_MSG_ERROR(mdds/multi_type_matrix.hpp does not define multi_type_vector::iterator. Install mdds >= 0.8.0)], [#include <mdds/multi_type_vector.hpp>])
+    CPPFLAGS="$save_CPPFLAGS"
+    AC_LANG_POP([C++])
 else
     AC_MSG_RESULT([internal])
     BUILD_TYPE="$BUILD_TYPE MDDS"