Fix linked libraries with CMake

Signed-off-by: Slávek Banko <slavek.banko@axis.cz>

CMakeLists.txt

@@ -83,6 +83,12 @@ if( NOT LIBGLADE_FOUND )
     tde_message_fatal( "libglade-2.0 are required, but not found on your system" )
 endif( NOT LIBGLADE_FOUND )
 
+
+set( EXTRA_LIBRARIES "-lm -lpthread" )
+if( UNIX )
+  set( CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fvisibility=hidden" )
+endif( UNIX )
+
 message( STATUS "Ready to build with backend ${BACKEND_NAME}" )
 
 

src/CMakeLists.txt

@@ -40,7 +40,7 @@ tde_add_library(
   ${target} SHARED
   VERSION 0.0.0
   SOURCES ${${target}_SRCS}
-  LINK ${BACKEND_LIBS}
+  LINK ${BACKEND_LIBRARIES} ${ZLIB_LIBRARIES} ${EXTRA_LIBRARIES}
   DESTINATION ${LIB_INSTALL_DIR}
 )
 
@@ -48,7 +48,7 @@ tde_add_library(
   ${target} STATIC
   VERSION 0.0.0
   SOURCES ${${target}_SRCS}
-  LINK ${BACKEND_LIBS}
+  LINK ${BACKEND_LIBRARIES} ${ZLIB_LIBRARIES} ${EXTRA_LIBRARIES}
   DESTINATION ${LIB_INSTALL_DIR}
 )