### Check 32bits or 64bits
INCLUDE (CheckTypeSize)
-CHECK_TYPE_SIZE("long" SIZEOF_LONG)
-IF(SIZEOF_LONG EQUAL 4)
+CHECK_TYPE_SIZE("void*" SIZEOF_VOIDSTAR)
+IF(SIZEOF_VOIDSTAR EQUAL 4)
SET(ARCH_32_BITS 1)
-ELSE(SIZEOF_LONG EQUAL 4)
+ELSE(SIZEOF_VOIDSTAR EQUAL 4)
SET(ARCH_32_BITS 0)
-ENDIF(SIZEOF_LONG EQUAL 4)
+ENDIF(SIZEOF_VOIDSTAR EQUAL 4)
if(WIN32)