Fix building on UNIXes that don't use libdl

diff --git a/src/common/CMakeLists.txt b/src/common/CMakeLists.txt
index 9d0af6e..f8337cb 100644 (file)
--- a/src/common/CMakeLists.txt
+++ b/src/common/CMakeLists.txt
@@ -77,11 +77,9 @@ if(APPLE)
   target_link_libraries(mod_common "-framework CoreServices" "-framework CoreFoundation")
 endif(APPLE)
 
-if(CMAKE_HOST_UNIX)
-    find_library(libdl dl)
-    if (libdl-NOTFOUND)
-        message(FATAL_ERROR "Cannot find required library: libdl")
-    endif (libdl-NOTFOUND)
-
+if(CMAKE_HOST_SYSTEM_NAME STREQUAL "Linux")
+  find_library(libdl dl)
+  if(NOT libdl MATCHES "NOTFOUND")
     target_link_libraries(mod_common ${libdl})
-endif(CMAKE_HOST_UNIX)
+  endif(NOT libdl MATCHES "NOTFOUND")
+endif(CMAKE_HOST_SYSTEM_NAME STREQUAL "Linux")