+# Provide the GNU getpass() implementation. It supports passwords of
+# arbitrary length (not just 8 bytes as on HP-UX).
+AC_DEFUN([gl_FUNC_GETPASS_GNU],
+[
+ AC_CHECK_DECLS_ONCE(getpass)
+ dnl TODO: Detect when GNU getpass() is already found in glibc.
+ AC_LIBOBJ(getpass)
+ gl_PREREQ_GETPASS
+ dnl We must choose a different name for our function, since on ELF systems
+ dnl an unusable getpass() in libc.so would override our getpass() if it is
+ dnl compiled into a shared library.
+ AC_DEFINE([getpass], [gnu_getpass],
+ [Define to a replacement function name for getpass().])
+])
+