ADD: new track message, Entity class and Position class

libs/eigen/bench/btl/cmake/FindTvmet.cmake

@@ -0,0 +1,32 @@
+# - Try to find tvmet headers
+# Once done this will define
+#
+#  TVMET_FOUND - system has tvmet lib
+#  TVMET_INCLUDE_DIR - the tvmet include directory
+#
+# Copyright (C) 2008 Gael Guennebaud <gael.guennebaud@inria.fr>
+# Adapted from FindEigen.cmake:
+# Copyright (c) 2006, 2007 Montel Laurent, <montel@kde.org>
+# Redistribution and use is allowed according to the terms of the BSD license.
+# For details see the accompanying COPYING-CMAKE-SCRIPTS file.
+
+if (TVMET_INCLUDE_DIR)
+
+  # in cache already
+  set(TVMET_FOUND TRUE)
+
+else ()
+
+find_path(TVMET_INCLUDE_DIR NAMES tvmet/tvmet.h
+     PATHS
+     ${TVMETDIR}/
+     ${INCLUDE_INSTALL_DIR}
+   )
+
+include(FindPackageHandleStandardArgs)
+find_package_handle_standard_args(Tvmet DEFAULT_MSG TVMET_INCLUDE_DIR)
+
+mark_as_advanced(TVMET_INCLUDE_DIR)
+
+endif()
+