locale: Make C++ tests work on Cygwin and mingw.

[gnulib.git] / lib / locale.in.h

diff --git a/lib/locale.in.h b/lib/locale.in.h
index ad92d8f..75b5299 100644 (file)
--- a/lib/locale.in.h
+++ b/lib/locale.in.h
@@ -59,7 +59,9 @@ _GL_CXXALIAS_RPL (duplocale, locale_t, (locale_t locale));
 _GL_CXXALIAS_SYS (duplocale, locale_t, (locale_t locale));
 #  endif
 # endif
+# if @HAVE_DUPLOCALE@
 _GL_CXXALIASWARN (duplocale);
+# endif
 #elif defined GNULIB_POSIXCHECK
 # undef duplocale
 # if HAVE_RAW_DECL_DUPLOCALE