-# wcwidth.m4 serial 13
-dnl Copyright (C) 2006, 2007 Free Software Foundation, Inc.
+# wcwidth.m4 serial 15
+dnl Copyright (C) 2006-2010 Free Software Foundation, Inc.
dnl This file is free software; the Free Software Foundation
dnl gives unlimited permission to copy and/or distribute it,
dnl with or without modifications, as long as this notice is preserved.
AC_DEFUN([gl_FUNC_WCWIDTH],
[
AC_REQUIRE([gl_WCHAR_H_DEFAULTS])
+ AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles
dnl Persuade glibc <wchar.h> to declare wcwidth().
AC_REQUIRE([AC_USE_SYSTEM_EXTENSIONS])
return 1;
return 0;
}], [gl_cv_func_wcwidth_works=yes], [gl_cv_func_wcwidth_works=no],
- [gl_cv_func_wcwidth_works="guessing no"])
+ [
+changequote(,)dnl
+ case "$host_os" in
+ # Guess yes on glibc systems.
+ *-gnu*) gl_cv_func_wcwidth_works="guessing yes";;
+ *) gl_cv_func_wcwidth_works="guessing no";;
+ esac
+changequote([,])dnl
+ ])
])
case "$gl_cv_func_wcwidth_works" in
*yes) ;;
fi
if test $REPLACE_WCWIDTH = 1 || test $HAVE_DECL_WCWIDTH = 0; then
- WCHAR_H=wchar.h
+ gl_REPLACE_WCHAR_H
fi
])