Undefine and redefine PRAGMA_ALIGN_SUPPORTED under Carbon. Apple's "solution" of a funny define makes portable code impossible:-(
diff --git a/Mac/Modules/icgluemodule.c b/Mac/Modules/icgluemodule.c
index 4c3c495..2189996 100644
--- a/Mac/Modules/icgluemodule.c
+++ b/Mac/Modules/icgluemodule.c
@@ -34,6 +34,14 @@
extern int ResObj_Convert(PyObject *, Handle *); /* From Resmodule.c */
+#if TARGET_API_MAC_CARBON
+/* The Carbon headers define PRAGMA_ALIGN_SUPPORT to something illegal,
+** because you shouldn't use it for Carbon. All good and well, but portable
+** code still needs it. So, we undefine it here.
+*/
+#undef PRAGMA_ALIGN_SUPPORTED
+#define PRAGMA_ALIGN_SUPPORTED 0
+#endif /* TARGET_API_MAC_CARBON */
#include "ICAPI.h"