Use common CMake tests.

Signed-off-by: Slávek Banko <slavek.banko@axis.cz>
(cherry picked from commit d6befa7beb)

ConfigureChecks.cmake

@@ -10,20 +10,21 @@
 #################################################
 
 
-##### check for gcc visibility support #########
-# FIXME
-# This should check for [T]Qt3 visibility support
+# required stuff
 
-if( WITH_GCC_VISIBILITY )
-  if( NOT UNIX )
-    tde_message_fatal(FATAL_ERROR "\ngcc visibility support was requested, but your system is not *NIX" )
-  endif( NOT UNIX )
-  set( __KDE_HAVE_GCC_VISIBILITY 1 )
-  set( CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fvisibility=hidden -fvisibility-inlines-hidden")
-  set( CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fvisibility=hidden -fvisibility-inlines-hidden")
-endif( )
+tde_setup_architecture_flags( )
 
+include(TestBigEndian)
+test_big_endian(WORDS_BIGENDIAN)
+
+tde_setup_largefiles( )
 
-# common required stuff
 find_package( TQt )
 find_package( TDE )
+
+
+##### check for gcc visibility support #########
+
+if( WITH_GCC_VISIBILITY )
+  tde_setup_gcc_visibility( )
+endif( )