Add libdl to FLTK_LIBRARIES when the system supports it. Required for libfltk1.3.

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 33fb5464c351468c632d6bda29ef5b1623e41a0f..7088f0ec5aeb3842284d3c5b7cf6506711ad498d 100644 (file)
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -213,6 +213,10 @@ if(ENABLE_FGADMIN)
             list(APPEND FLTK_LIBRARIES ${X11_Xft_LIB})
         endif()
 
+        if ( CMAKE_DL_LIBS )
+            list(APPEND FLTK_LIBRARIES ${CMAKE_DL_LIBS})
+        endif()
+
         message(STATUS "Using FLTK_LIBRARIES for fgadmin: ${FLTK_LIBRARIES}")
     endif ( FLTK_FOUND )
 endif(ENABLE_FGADMIN)