From 4242c7b91887236375e08e2b6b24de0cecbf1626 Mon Sep 17 00:00:00 2001
From: Ismael Luceno <ismael@iodev.co.uk>
Date: Tue, 28 Dec 2021 23:24:08 +0100
Subject: Always use <poll.h>, no modern system needs <sys/poll.h>

This was standardized in IEEE 1003.1-2001, so more than 20 years old.

Verified following systems using online resources:
- FreeBSD 3.0 (1998)
- NetBSD 1.3 (1998)
- OpenBSD 2.0 (1996)
- CentOS 5.0 (2007)
- Debian 4.0 (2007)
- IRIX 6.5.30 (2006)
- SunOS 4.1.3 (1992)
- SUSE 10.2 (2008)
- Red Hat 5.0 (1998)

So the check used for BSDs on vcl/unx/generic/dtrans/X11_selection.cxx
was never correct.

On GNU/Linux specifically, <poll.h> is provided since glibc 2.0 (1997).

musl libc produces the following warning if the non-standard header is
included:

    /usr/include/sys/poll.h:1:2: warning: #warning redirecting incorrect #include <sys/poll.h> to <poll.h> [-Wcpp]

Change-Id: Ia8f4b9e1ee069f86abe03140c18a77d17336d09c
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/127666
Tested-by: Jenkins
Reviewed-by: Jan-Marek Glogowski <glogow@fbihome.de>
---
 desktop/unx/source/start.c               | 2 +-
 vcl/headless/svpinst.cxx                 | 2 +-
 vcl/unx/generic/dtrans/X11_selection.cxx | 4 ----
 3 files changed, 2 insertions(+), 6 deletions(-)

diff --git a/desktop/unx/source/start.c b/desktop/unx/source/start.c
index 385761a81230..a83db69e5c66 100644
--- a/desktop/unx/source/start.c
+++ b/desktop/unx/source/start.c
@@ -18,7 +18,7 @@
 #include <sys/socket.h>
 #include <arpa/inet.h>
 #include <sys/un.h>
-#include <sys/poll.h>
+#include <poll.h>
 #include <fcntl.h>
 #include <stdio.h>
 #include <libgen.h>
diff --git a/vcl/headless/svpinst.cxx b/vcl/headless/svpinst.cxx
index a42b788a8249..181e01782214 100644
--- a/vcl/headless/svpinst.cxx
+++ b/vcl/headless/svpinst.cxx
@@ -27,7 +27,7 @@
 #include <fcntl.h>
 #include <pthread.h>
 #include <sys/time.h>
-#include <sys/poll.h>
+#include <poll.h>
 
 #include <sal/types.h>
 #include <sal/log.hxx>
diff --git a/vcl/unx/generic/dtrans/X11_selection.cxx b/vcl/unx/generic/dtrans/X11_selection.cxx
index 8d3298aead3a..1c6ec92f1b87 100644
--- a/vcl/unx/generic/dtrans/X11_selection.cxx
+++ b/vcl/unx/generic/dtrans/X11_selection.cxx
@@ -34,11 +34,7 @@
 #include <X11/Xatom.h>
 #include <X11/keysym.h>
 
-#if defined(NETBSD) || defined (FREEBSD) || defined(OPENBSD)
-#include <sys/poll.h>
-#else
 #include <poll.h>
-#endif
 
 #include <sal/macros.h>
 
-- 
cgit