# Copyright (c) 2007 Erik Johansson <erik@ejohansson.se>
# Redistribution and use is allowed according to the terms of the BSD license.
-include(CheckLibraryExists)
# Assume dlopen is not found.
-set(Dlopen_FOUND FALSE)
-
-foreach (library c c_r dl)
- if (NOT Dlopen_FOUND)
- check_library_exists(${library} dlopen "" Dlopen_IN_${library})
-
- if (Dlopen_IN_${library})
- set(Dlopen_LIBRARIES ${library} CACHE STRING "Library containing dlopen")
- set(Dlopen_FOUND TRUE)
- endif (Dlopen_IN_${library})
-
- endif (NOT Dlopen_FOUND)
-endforeach (library)
-
-if (Dlopen_FOUND)
- if (NOT Dlopen_FIND_QUIETLY)
- message(STATUS "Found dlopen in: ${Dlopen_LIBRARIES}")
- endif (NOT Dlopen_FIND_QUIETLY)
-else (Dlopen_FOUND)
- if (Dlopen_FIND_REQUIRED)
- message(FATAL_ERROR "Could not find the library containing dlopen")
- endif (Dlopen_FIND_REQUIRED)
-endif (Dlopen_FOUND)
-
-mark_as_advanced(Dlopen_LIBRARIES)
+if (Dlopen_SEARCHED)
+ include(CheckLibraryExists)
+
+ set(Dlopen_SEARCHED TRUE)
+ set(Dlopen_FOUND FALSE)
+
+ foreach (library c c_r dl)
+ if (NOT Dlopen_FOUND)
+ check_library_exists(${library} dlopen "" Dlopen_IN_${library})
+
+ if (Dlopen_IN_${library})
+ set(Dlopen_LIBRARIES ${library} CACHE STRING "Library containing dlopen")
+ set(Dlopen_FOUND TRUE)
+ endif (Dlopen_IN_${library})
+
+ endif (NOT Dlopen_FOUND)
+ endforeach (library)
+
+ if (Dlopen_FOUND)
+ if (NOT Dlopen_FIND_QUIETLY)
+ message(STATUS "Found dlopen in: ${Dlopen_LIBRARIES}")
+ endif (NOT Dlopen_FIND_QUIETLY)
+ else (Dlopen_FOUND)
+ if (Dlopen_FIND_REQUIRED)
+ message(FATAL_ERROR "Could not find the library containing dlopen")
+ endif (Dlopen_FIND_REQUIRED)
+ endif (Dlopen_FOUND)
+
+ mark_as_advanced(Dlopen_LIBRARIES)
+endif(Dlopen_SEARCHED)
\ No newline at end of file