cmake CHANGE find module C++ bindings search

Author: michalvasko

FindLibYANG.cmake

@@ -6,6 +6,10 @@
 #  LIBYANG_LIBRARIES - Link these to use LibYANG
 #  LIBYANG_VERSION - SO version of the found libyang library
 #
+#  LIBYANG_CPP_FOUND - system has LibYANG C++ bindings
+#  LIBYANG_CPP_INCLUDE_DIRS - the LibYANG C++ include directory
+#  LIBYANG_CPP_LIBRARIES - Link these to use LibYANG C++ bindings
+#
 #  Author Radek Krejci <[email protected]>
 #  Copyright (c) 2015 CESNET, z.s.p.o.
 #
@@ -76,9 +80,54 @@ else()
     set(LIBYANG_LIBRARIES ${LIBYANG_LIBRARY})
     mark_as_advanced(LIBYANG_INCLUDE_DIRS LIBYANG_LIBRARIES)
 
-    # handle the QUIETLY, REQUIRED and VERSION arguments and set LIBYANG_FOUND to TRUE
+    # handle the QUIETLY and REQUIRED arguments and set SYSREPO_FOUND to TRUE
     # if all listed variables are TRUE
     find_package_handle_standard_args(LibYANG FOUND_VAR LIBYANG_FOUND
         REQUIRED_VARS LIBYANG_LIBRARY LIBYANG_INCLUDE_DIR
         VERSION_VAR LIBYANG_VERSION)
 endif()
+
+#C++ bindings
+if (LIBYANG_CPP_LIBRARIES AND LIBYANG_CPP_INCLUDE_DIRS)
+    # in cache already
+    set(LIBYANG_CPP_FOUND TRUE)
+else ()
+    find_path(LIBYANG_CPP_INCLUDE_DIR
+        NAMES
+        libyang/Libyang.hpp
+        PATHS
+        /usr/include
+        /usr/local/include
+        /opt/local/include
+        /sw/include
+        ${CMAKE_INCLUDE_PATH}
+        ${CMAKE_INSTALL_PREFIX}/include
+    )
+
+    find_library(LIBYANG_CPP_LIBRARY
+        NAMES
+        yang-cpp
+        libyang-cpp
+        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_CPP_INCLUDE_DIR AND LIBYANG_CPP_LIBRARY)
+        set(LIBYANG_CPP_FOUND TRUE)
+    else ()
+        set(LIBYANG_CPP_FOUND FALSE)
+    endif ()
+
+    set(LIBYANG_CPP_INCLUDE_DIRS ${LIBYANG_CPP_INCLUDE_DIR})
+    set(LIBYANG_CPP_LIBRARIES ${LIBYANG_CPP_LIBRARY})
+
+    # show the LIBYANG_CPP_INCLUDE_DIRS and LIBYANG_CPP_LIBRARIES variables only in the advanced view
+    mark_as_advanced(LIBYANG_CPP_INCLUDE_DIRS LIBYANG_CPP_LIBRARIES)
+endif()