diff --git a/cmake/Modules/FindIDNA.cmake b/cmake/Modules/FindIDNA.cmake
new file mode 100644
index 0000000..e5463b4
--- /dev/null
+++ b/cmake/Modules/FindIDNA.cmake
@@ -0,0 +1,40 @@
+# - Try to find GNU IDN library and headers
+# Once done, this will define
+#
+#  IDNA_FOUND - system has IDNA
+#  IDNA_INCLUDE_DIR - the IDNA include directories (<idna.h>)
+#  IDNA_LIBRARIES - link these to use IDNA (idna_to_ascii_8z)
+
+if (IDNA_INCLUDE_DIR AND IDNA_LIBRARIES)
+  set(IDNA_FIND_QUIETLY TRUE)
+endif (IDNA_INCLUDE_DIR AND IDNA_LIBRARIES)
+
+# Include dir
+find_path(IDNA_INCLUDE_DIR
+  NAMES idna.h
+)
+
+# Library
+find_library(IDNA_LIBRARY
+  NAMES idn
+)
+
+
+# handle the QUIETLY and REQUIRED arguments and set IDNA_FOUND to TRUE if
+# all listed variables are TRUE
+INCLUDE(FindPackageHandleStandardArgs)
+FIND_PACKAGE_HANDLE_STANDARD_ARGS(IDNA DEFAULT_MSG IDNA_LIBRARY IDNA_INCLUDE_DIR)
+
+# If we successfully found the idn library then add the library to the
+# IDNA_LIBRARIES cmake variable otherwise set IDNA_LIBRARIES to nothing.
+IF(IDNA_FOUND)
+   SET( IDNA_LIBRARIES ${IDNA_LIBRARY} )
+ELSE(IDNA_FOUND)
+   SET( IDNA_LIBRARIES )
+ENDIF(IDNA_FOUND)
+
+
+# Lastly make it so that the IDNA_LIBRARY and IDNA_INCLUDE_DIR variables
+# only show up under the advanced options in the gui cmake applications.
+MARK_AS_ADVANCED( IDNA_LIBRARY IDNA_INCLUDE_DIR )
+