From 7a879568b3fd16ce84ee4fa3e268272eb53fc590 Mon Sep 17 00:00:00 2001
From: Albrecht Schlosser <albrechts.fltk@online.de>
Date: Tue, 2 Apr 2024 15:26:36 +0200
Subject: Improve support for NetBSD (#944)

- fix gcc version check for FL_DEPRECATED macro

- fix #include for select() on NetBSD < 3.0 (#944)

For more info please see GitHub Issue #944
---
 src/drivers/Unix/Fl_Unix_Screen_Driver.H | 12 ++++++++++++
 1 file changed, 12 insertions(+)

(limited to 'src/drivers')

diff --git a/src/drivers/Unix/Fl_Unix_Screen_Driver.H b/src/drivers/Unix/Fl_Unix_Screen_Driver.H
index c0d0356a1..2b8a5a7ab 100644
--- a/src/drivers/Unix/Fl_Unix_Screen_Driver.H
+++ b/src/drivers/Unix/Fl_Unix_Screen_Driver.H
@@ -31,6 +31,18 @@ static pollfd *pollfds = 0;
 #      include <sys/select.h>
 #    endif /* HAVE_SYS_SELECT_H */
 
+// NetBSD before version 3.0 declares select() in "unistd.h" (#944):
+// https://man.netbsd.org/NetBSD-2.1/select.2
+
+#    if defined(__NetBSD__)
+#      include <sys/param.h>  // For '__NetBSD_Version__' definition
+#      if defined(__NetBSD_Version__) && (__NetBSD_Version__ < 300000000)
+#        include <sys/types.h>
+#        include <sys/time.h>
+#        include <unistd.h>
+#      endif  // __NetBSD_Version__
+#    endif  // __NetBSD__
+
 #    define POLLIN 1
 #    define POLLOUT 4
 #    define POLLERR 8
-- 
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