From 72c46aa15e50ef6391ab3fe6e230ed3abc9485b0 Mon Sep 17 00:00:00 2001
From: Nicholas Marriott <nicholas.marriott@gmail.com>
Date: Mon, 9 Nov 2020 09:00:41 +0000
Subject: Add support for Haiku, from David Carlier. GitHub issue 2453.

---
 Makefile.am | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 'Makefile.am')

diff --git a/Makefile.am b/Makefile.am
index 91d641fd..7b84b1e9 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -58,6 +58,11 @@ if IS_NETBSD
 AM_CPPFLAGS += -D_OPENBSD_SOURCE
 endif
 
+# Set flags for Haiku.
+if IS_HAIKU
+AM_CPPFLAGS += -D_BSD_SOURCE
+endif
+
 # List of sources.
 dist_tmux_SOURCES = \
 	alerts.c \
-- 
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