From 6483ae0dcb73dd28f6a2a171d78eea8f00718cfd Mon Sep 17 00:00:00 2001
From: probonopd <probonopd@users.noreply.github.com>
Date: Sun, 1 Oct 2023 23:58:09 +0200
Subject: [PATCH] #include <unistd.h>

Fixes compilation on FreeBSD
Closes #72
---
 tools/osmpbf-outline.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/tools/osmpbf-outline.cpp b/tools/osmpbf-outline.cpp
index 581b46a..45a5bbc 100644
--- a/tools/osmpbf-outline.cpp
+++ b/tools/osmpbf-outline.cpp
@@ -1,3 +1,6 @@
+// used for 'isatty'
+#include <unistd.h>
+
 // used for va_list in debug-print methods
 #include <stdarg.h>