ModuleManager: Benutze libdl anstatt ltdl

1 files changed, 37 insertions, 0 deletions

diff --git a/FindDL.cmake b/FindDL.cmake
new file mode 100644
index 0000000..584650f
--- /dev/null
+++ b/FindDL.cmake
@@ -0,0 +1,37 @@
+# - Find dl functions
+# This module finds dl libraries.
+#
+# It sets the following variables:
+#  DL_FOUND       - Set to false, or undefined, if dl libraries aren't found.
+#  DL_INCLUDE_DIR - The dl include directory.
+#  DL_LIBRARY     - The dl library to link against.
+
+INCLUDE(CheckFunctionExists)
+
+FIND_PATH(DL_INCLUDE_DIR NAMES dlfcn.h)
+FIND_LIBRARY(DL_LIBRARY NAMES dl)
+
+IF (DL_LIBRARY)
+   SET(DL_FOUND TRUE)
+ELSE (DL_LIBRARY)
+   # if dlopen can be found without linking in dl then,
+   # dlopen is part of libc, so don't need to link extra libs.
+   CHECK_FUNCTION_EXISTS(dlopen DL_FOUND)
+   SET(DL_LIBRARY "")
+ENDIF (DL_LIBRARY)
+
+IF (DL_FOUND)
+
+   # show which dl was found only if not quiet
+   IF (NOT DL_FIND_QUIETLY)
+      MESSAGE(STATUS "Found dl: ${DL_LIBRARY}")
+   ENDIF (NOT DL_FIND_QUIETLY)
+
+ELSE (DL_FOUND)
+
+   # fatal error if dl is required but not found
+   IF (DL_FIND_REQUIRED)
+      MESSAGE(FATAL_ERROR "Could not find dl")
+   ENDIF (DL_FIND_REQUIRED)
+
+ENDIF (DL_FOUND)