--- /dev/null
+diff --git "a/gettext-runtime/intl/loadmsgcat.c" "b/gettext-runtime/intl/loadmsgcat.c"
+index 63351523..c078de3f 100644
+--- a/gettext-runtime/intl/loadmsgcat.c
++++ b/gettext-runtime/intl/loadmsgcat.c
+@@ -388,6 +388,55 @@ char *alloca ();
+ # define munmap(addr, len) __munmap (addr, len)
+ #endif
+
++#ifdef _WIN32
++/* Provide wrapper of "open" for Windows that supports UTF-8 filenames. */
++# ifndef WIN32_LEAN_AND_MEAN
++# define WIN32_LEAN_AND_MEAN
++# endif
++# ifndef WIN32_EXTRA_LEAN
++# define WIN32_EXTRA_LEAN
++# endif
++# undef NOMINMAX
++# define NOMINMAX
++# include <windows.h> // For: MultiByteToWideChar
++# include <io.h>
++# include <wchar.h>
++
++int _open_utf8_windows_wrapper(
++ const char *filename,
++ int flags
++)
++{
++ int wstr_len = -1;
++ wchar_t* pUtf16FileName = NULL;
++ int fh = -1;
++
++ // on Windows, convert the filename from UTF-8 to UTF-16
++ wstr_len = MultiByteToWideChar(CP_UTF8, 0, filename, -1, NULL, 0);
++ if (wstr_len <= 0)
++ {
++ // MultiByteToWideChar failed
++ errno = ENOENT;
++ return -1;
++ }
++ pUtf16FileName = malloc(wstr_len * sizeof(wchar_t));
++ if (MultiByteToWideChar(CP_UTF8, 0, filename, -1, pUtf16FileName, wstr_len) == 0)
++ {
++ // MultiByteToWideChar failed
++ free(pUtf16FileName);
++ errno = ENOENT;
++ return -1;
++ }
++
++ // and call _wopen
++ fh = _wopen(pUtf16FileName, flags);
++
++ free(pUtf16FileName);
++ return fh;
++}
++# define open(name, flags) _open_utf8_windows_wrapper(name, flags)
++#endif // #ifdef _WIN32
++
+ /* For those losing systems which don't have `alloca' we have to add
+ some additional code emulating it. */
+ #ifdef HAVE_ALLOCA