/*
* See if autoconf has found us the internal headers in some form.
*/
-#if HAVE_COREFOUNDATION_CFSTRINGENCODINGCONVERTER_H
+#if defined(HAVE_COREFOUNDATION_CFSTRINGENCODINGCONVERTER_H)
# include <CoreFoundation/CFStringEncodingConverter.h>
# include <CoreFoundation/CFUnicodePrecomposition.h>
# define USE_INTERNAL_API 1
-#elif HAVE_CFSTRINGENCODINGCONVERTER_H
+#elif defined(HAVE_CFSTRINGENCODINGCONVERTER_H)
# include <CFStringEncodingConverter.h>
# include <CFUnicodePrecomposition.h>
# define USE_INTERNAL_API 1