Put diag as an option only if CUDA is not enabled

compute/CMakeLists.txt

@@ -26,15 +26,20 @@
 #
 ###
 
-option(CHAMELEON_COPY_DIAG
-  "This options enables the duplication of the diagonal tiles in some algorithm to avoid anti-dependencies on lower/upper triangular parts (Might be useful to StarPU)" ON)
-mark_as_advanced(CHAMELEON_COPY_DIAG)
+if ( CHAMELEON_USE_CUDA )
+  set( CHAMELEON_COPY_DIAG ON )
+else()
+  option(CHAMELEON_COPY_DIAG
+    "This options enables the duplication of the diagonal tiles in some algorithm to avoid anti-dependencies on lower/upper triangular parts (Might be useful to StarPU)" ON)
+endif()
 
 if ( CHAMELEON_SCHED_QUARK )
   # No need for those extra diagonale tiles
   set( CHAMELEON_COPY_DIAG OFF )
 endif()
 
+mark_as_advanced(CHAMELEON_COPY_DIAG)
+
 if (CHAMELEON_COPY_DIAG)
   add_definitions(-DCHAMELEON_COPY_DIAG)
 endif()