Fix hardcoded link to dl library

Signed-off-by: Slávek Banko <slavek.banko@axis.cz>
(cherry picked from commit 357bffb17e)

ConfigureChecks.cmake

@@ -27,3 +27,16 @@ endif( )
 find_package( TQt )
 find_package( TQtQUI )
 find_package( TDE )
+
+
+##### check for libdl ###########################
+
+set( DL_LIBRARIES dl )
+check_library_exists( ${DL_LIBRARIES} dlopen /lib HAVE_LIBDL )
+if( NOT HAVE_LIBDL )
+  unset( DL_LIBRARIES )
+  check_function_exists( dlopen HAVE_DLOPEN )
+  if( HAVE_DLOPEN )
+    set( HAVE_LIBDL 1 )
+  endif( HAVE_DLOPEN )
+endif( NOT HAVE_LIBDL )

kstartperf/CMakeLists.txt

@@ -24,7 +24,7 @@ link_directories(
 tde_add_library( kstartperf SHARED AUTOMOC
   SOURCES libkstartperf.c
   VERSION 1.0.0
-  LINK dl
+  LINK ${DL_LIBRARIES}
   DESTINATION ${LIB_INSTALL_DIR}
 )