From 18bed2c174362f76ddedf68bb700e8b2c817fcb5 Mon Sep 17 00:00:00 2001
From: Boris Kolpackov <boris@codesynthesis.com>
Date: Thu, 18 Jun 2020 14:09:59 +0200
Subject: Complete NetBSD compatibility

---
 libbutl/process.cxx | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

(limited to 'libbutl/process.cxx')

diff --git a/libbutl/process.cxx b/libbutl/process.cxx
index 2dc3809..0695493 100644
--- a/libbutl/process.cxx
+++ b/libbutl/process.cxx
@@ -43,7 +43,10 @@
 //
 #  elif defined(__FreeBSD__) && __FreeBSD__ >= 8
 #    define LIBBUTL_POSIX_SPAWN
-#  elif defined(__NetBSD__)
+//
+// On NetBSD posix_spawn() appeared in 6.0 (see the man page for details).
+//
+#  elif defined(__NetBSD__) && __NetBSD__ >= 6
 #    define LIBBUTL_POSIX_SPAWN
 //
 // posix_spawn() appeared in Version 3 of the Single UNIX Specification that
-- 
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