Add a TODO.

diff --git a/m4/getpass.m4 b/m4/getpass.m4
index 1a349c790ceab501cf4d0edefff0e82a3c3ac2bf..0a7b8174217cad3d664d5841ce576c401c894975 100644 (file)
--- a/m4/getpass.m4
+++ b/m4/getpass.m4
@@ -19,6 +19,7 @@ AC_DEFUN([gl_FUNC_GETPASS],
 # arbitrary length (not just 8 bytes as on HP-UX).
 AC_DEFUN([gl_FUNC_GETPASS_GNU],
 [
+  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