Bug #1290333: Added a workaround for cjkcodecs' _codecs_cn module

build problem on AIX.

Misc/NEWS

@@ -186,6 +186,9 @@ Core and builtins
 Extension Modules
 -----------------
 
+- Bug #1290333: Added a workaround for cjkcodecs' _codecs_cn build
+  problem on AIX.
+
 - Bug #869197: os.setgroups rejects long integer arguments
 
 - Bug #1346533, select.poll() doesn't raise an error if timeout > sys.maxint

Modules/cjkcodecs/_codecs_cn.c

@@ -8,6 +8,14 @@
 #include "cjkcodecs.h"
 #include "mappings_cn.h"
 
+/**
+ * hz is predefined as 100 on AIX. So we undefine it to avoid
+ * conflict against hz codec's.
+ */
+#ifdef _AIX
+#undef hz
+#endif
+
 #define GBK_PREDECODE(dc1, dc2, assi) \
 	if ((dc1) == 0xa1 && (dc2) == 0xaa) (assi) = 0x2014; \
 	else if ((dc1) == 0xa8 && (dc2) == 0x44) (assi) = 0x2015; \