ck_pr: Re-include port selection logic.

include/ck_pr.h

@@ -33,7 +33,21 @@
 #include <ck_stdint.h>
 #include <stdbool.h>
 
+#if defined(__x86_64__)
+#include "gcc/x86_64/ck_pr.h"
+#elif defined(__x86__)
+#include "gcc/x86/ck_pr.h"
+#elif defined(__sparcv9__)
+#include "gcc/sparcv9/ck_pr.h"
+#elif defined(__ppc64__)
+#include "gcc/ppc64/ck_pr.h"
+#elif defined(__ppc__)
+#include "gcc/ppc/ck_pr.h"
+#elif defined(__GNUC__)
 #include "gcc/ck_pr.h"
+#else
+#error Your platform is unsupported
+#endif
 
 #define CK_PR_BIN(K, S, M, T, P, C)					\
 	CK_CC_INLINE static void					\