diff --git "a/config.h.in" "b/config.h.in"
index 207e487..56501ed 100644
--- "a/config.h.in"
+++ "b/config.h.in"
@@ -27,7 +27,7 @@
 #undef DOUBLE_SLASH_IS_DISTINCT_ROOT
 
 /* Define as good substitute value for EILSEQ. */
-#undef EILSEQ
+//#undef EILSEQ
 
 /* Define to 1 to enable a few rarely used encodings. */
 #undef ENABLE_EXTRA
@@ -207,10 +207,10 @@
 #undef HAVE_MACH_O_DYLD_H
 
 /* Define to 1 if you have the `mbrtowc' function. */
-#undef HAVE_MBRTOWC
+#define HAVE_MBRTOWC 1
 
 /* Define to 1 if you have the `mbsinit' function. */
-#undef HAVE_MBSINIT
+#define HAVE_MBSINIT 1
 
 /* Define to 1 if <wchar.h> declares mbstate_t. */
 #undef HAVE_MBSTATE_T
@@ -665,7 +665,7 @@
 #undef HAVE_WCHAR_T
 
 /* Define to 1 if you have the `wcrtomb' function. */
-#undef HAVE_WCRTOMB
+#define HAVE_WCRTOMB 1
 
 /* Define to 1 if you have the <winsock2.h> header file. */
 #undef HAVE_WINSOCK2_H
@@ -683,7 +683,7 @@
 #undef HAVE__NSGETEXECUTABLEPATH
 
 /* Define as const if the declaration of iconv() needs const. */
-#undef ICONV_CONST
+#define ICONV_CONST const
 
 /* Define to the value of ${prefix}, as a string. */
 #undef INSTALLPREFIX
@@ -787,7 +787,7 @@
 #undef WINT_T_SUFFIX
 
 /* Define if the machine's byte ordering is little endian. */
-#undef WORDS_LITTLEENDIAN
+#define WORDS_LITTLEENDIAN 1
 
 /* Define to 1 if on MINIX. */
 #undef _MINIX
 
diff --git "a/lib/loop_wchar.h" "b/lib/loop_wchar.h"
index 6dc011b..158ccdd 100644
--- "a/lib/loop_wchar.h"
+++ "b/lib/loop_wchar.h"	
@@ -37,7 +37,7 @@
 # include <wchar.h>
 # define BUF_SIZE 64  /* assume MB_LEN_MAX <= 64 */
   /* Some systems, like BeOS, have multibyte encodings but lack mbstate_t.  */
-  extern size_t mbrtowc ();
+//  extern size_t mbrtowc ();
 # ifdef mbstate_t
 #  define mbrtowc(pwc, s, n, ps) (mbrtowc)(pwc, s, n, 0)
 #  define mbsinit(ps) 1