Description: tell cmake to link against libdl
Author: Christopher Baines <cbaines8@gmail.com>

--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -224,9 +224,11 @@
     endif()
 
     if ( CMAKE_DL_LIBS )
-       list(APPEND FLTK_LIBRARIES ${CMAKE_DL_LIBS}) 
+       list(APPEND FLTK_LIBRARIES ${CMAKE_DL_LIBS})
     endif()
 
+    list(APPEND FLTK_LIBRARIES ${CMAKE_DL_LIBS})
+
     set( CMAKE_REQUIRED_INCLUDES ${FLTK_INCLUDE_DIR} )
     set( CMAKE_REQUIRED_LIBRARIES ${FLTK_LIBRARIES} )
     message(STATUS "Using FLTK_LIBRARIES for fgrun: ${FLTK_LIBRARIES}")
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -73,6 +73,7 @@
     ${OPENPTY_LIBRARY}
     ${PLATFORM_LIBS}
     ${OPENGL_LIBRARIES}
+    ${CMAKE_DL_LIBS}
     )
 
 install(TARGETS fgrun RUNTIME DESTINATION bin)
