# include "struct_i386.h"
# define HAVE_ABI_SIZES TRUE
# endif
-#elif HAVE_CPU_X86_64
+#elif defined HAVE_CPU_X86_64
# include "struct_x86_64.h"
# define HAVE_ABI_SIZES TRUE
-#elif HAVE_CPU_ARM
+#elif defined HAVE_CPU_ARM
# include "struct_arm.h"
# define HAVE_ABI_SIZES FALSE
-#elif HAVE_CPU_PPC
+#elif defined HAVE_CPU_PPC
# include "struct_ppc32.h"
# define HAVE_ABI_SIZES TRUE
-#elif HAVE_CPU_PPC64
+#elif defined HAVE_CPU_PPC64
# include "struct_ppc64.h"
# define HAVE_ABI_SIZES TRUE
#else /* in case someone wants to generate a new arch */