add an option to force looking for parallel kernels -> Intel MKL multithreaded

CMakeLists.txt

@@ -243,6 +243,10 @@ if(CHAMELEON_SCHED_STARPU)
     endif(CHAMELEON_ENABLE_PRUNING_STATS)
 endif()
 
+# Option for parallel kernels
+# ---------------------------
+option(CHAMELEON_KERNELS_PAR "Enable parallel kernels (requires Intel MKL)" OFF)
+
 # Initially we need to generate files for different precisions
 # TODO: use this option to avoid generate multiple precisions each time we launch cmake
 #option(CHAMELEON_GEN_PREC "Generate source files precisions" ON)
@@ -253,6 +257,11 @@ if (CMAKE_C_COMPILER_ID MATCHES "Intel" AND (NOT BLA_VENDOR OR BLA_VENDOR STREQU
   set (BLA_VENDOR "Intel10_64lp_seq")
 endif()
 
+# If parallel kernels ON we need the parallel MKL version
+if (CHAMELEON_KERNELS_PAR)
+  set (BLA_VENDOR "Intel10_64lp")
+endif()
+
 ###############################################################################
 # Build dependency HQR library #
 ################################