From dc7c42cdfec450f109151649544b88765877e4ab Mon Sep 17 00:00:00 2001
From: Bruno Haible <bruno@clisp.org>
Date: Sat, 8 Apr 2023 12:08:03 +0200
Subject: login_tty: Fix compilation error in C++ mode on Solaris 11.4.

* m4/login_tty.m4 (gl_FUNC_LOGIN_TTY): Test whether <termios.h> exists.
Consider it when testing whether login_tty is declared.
* lib/utmp.in.h: If none of <util.h> and <libutil.h> exists, include
<termios.h> instead.
* doc/glibc-functions/login_tty.texi: Document the Solaris 11.4 problem.
---
 doc/glibc-functions/login_tty.texi | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

(limited to 'doc')

diff --git a/doc/glibc-functions/login_tty.texi b/doc/glibc-functions/login_tty.texi
index 3e743b1527..42e7068d91 100644
--- a/doc/glibc-functions/login_tty.texi
+++ b/doc/glibc-functions/login_tty.texi
@@ -25,7 +25,8 @@ Minix 3.1.8, AIX 5.1, HP-UX 11, IRIX 6.5, Solaris 11.3, Android 5.1.
 @item
 This function is declared in @code{<utmp.h>} on glibc, Cygwin, Android,
 in @code{<util.h>} on macOS 11.1, NetBSD 5.0, OpenBSD 3.8,
-and in @code{<libutil.h>} on FreeBSD 13.0, Haiku.
+in @code{<libutil.h>} on FreeBSD 13.0, Haiku,
+and in @code{<termios.h>} on Solaris 11.4.
 @c Also note that @code{<sys/types.h>} is
 @c a prerequisite of @code{<utmp.h>} on FreeBSD 8.0, OpenBSD 4.6 and
 @c of @code{<libutil.h>} on FreeBSD 8.0.
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