build FEATURE set up build system
diff --git a/FindLibYANG.cmake b/FindLibYANG.cmake
new file mode 100644
index 0000000..b3478b1
--- /dev/null
+++ b/FindLibYANG.cmake
@@ -0,0 +1,80 @@
+# - Try to find LibYANG
+# Once done this will define
+#
+#  LIBYANG_FOUND - system has LibYANG
+#  LIBYANG_INCLUDE_DIRS - the LibYANG include directory
+#  LIBYANG_LIBRARIES - Link these to use LibSSH
+#
+#  Author Radek Krejci <rkrejci@cesnet.cz>
+#  Copyright (c) 2015 CESNET, z.s.p.o.
+#
+#  Redistribution and use in source and binary forms, with or without
+#  modification, are permitted provided that the following conditions
+#  are met:
+#
+#  1. Redistributions of source code must retain the copyright
+#     notice, this list of conditions and the following disclaimer.
+#  2. Redistributions in binary form must reproduce the copyright
+#     notice, this list of conditions and the following disclaimer in the
+#     documentation and/or other materials provided with the distribution.
+#  3. The name of the author may not be used to endorse or promote products 
+#     derived from this software without specific prior written permission.
+#
+#  THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+#  IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+#  OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+#  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+#  INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+#  NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+#  DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+#  THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+#  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+#  THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+#
+
+if (LIBYANG_LIBRARIES AND LIBYANG_INCLUDE_DIRS)
+  # in cache already
+  set(LIBYANG_FOUND TRUE)
+else (LIBYANG_LIBRARIES AND LIBYANG_INCLUDE_DIRS)
+
+  find_path(LIBYANG_INCLUDE_DIR
+    NAMES
+      libyang/libyang.h
+    PATHS
+      /usr/include
+      /usr/local/include
+      /opt/local/include
+      /sw/include
+      ${CMAKE_INCLUDE_PATH}
+      ${CMAKE_INSTALL_PREFIX}/include
+  )
+  
+  find_library(LIBYANG_LIBRARY
+    NAMES
+      yang
+      libyang
+    PATHS
+      /usr/lib
+      /usr/lib64
+      /usr/local/lib
+      /usr/local/lib64
+      /opt/local/lib
+      /sw/lib
+      ${CMAKE_LIBRARY_PATH}
+      ${CMAKE_INSTALL_PREFIX}/lib
+  )
+
+  if (LIBYANG_INCLUDE_DIR AND LIBYANG_LIBRARY)
+    set(LIBYANG_FOUND TRUE)
+  else (LIBYANG_INCLUDE_DIR AND LIBYANG_LIBRARY)
+    set(LIBYANG_FOUND FALSE)
+  endif (LIBYANG_INCLUDE_DIR AND LIBYANG_LIBRARY)
+
+  set(LIBYANG_INCLUDE_DIRS ${LIBYANG_INCLUDE_DIR})
+  set(LIBYANG_LIBRARIES ${LIBYANG_LIBRARY})
+
+  # show the LIBYANG_INCLUDE_DIRS and LIBYANG_LIBRARIES variables only in the advanced view
+  mark_as_advanced(LIBYANG_INCLUDE_DIRS LIBYANG_LIBRARIES)
+
+endif (LIBYANG_LIBRARIES AND LIBYANG_INCLUDE_DIRS)
+