From d732aae2ca57430f3dd95c0ed4dcc05df4014f91 Mon Sep 17 00:00:00 2001
From: Luke Shumaker <LukeShu@sbcglobal.net>
Date: Thu, 15 May 2014 22:41:20 -0400
Subject: arch-nspawn: use getconf to find HOST_NAME_MAX at runtime.

This is at the suggestion of Roman Neuhauser, who emailed Dave Reisner and
me.
---
 arch-nspawn.in | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/arch-nspawn.in b/arch-nspawn.in
index e8b68cf..6c9a102 100644
--- a/arch-nspawn.in
+++ b/arch-nspawn.in
@@ -96,8 +96,7 @@ eval $(grep '^CARCH=' "$working_dir/etc/makepkg.conf")
 
 machine_name="${working_dir//[![:alnum:]_-]/-}"
 machine_name="${machine_name#-}"
-#HOST_NAME_MAX="$(cpp -include limits.h <<<HOST_NAME_MAX | sed -n '$p')"
-HOST_NAME_MAX=64
+HOST_NAME_MAX="$(getconf HOST_NAME_MAX)"
 if [[ ${#machine_name} -gt "$HOST_NAME_MAX" ]]; then
 	machine_name="${machine_name:(-${HOST_NAME_MAX})}"
 	machine_name="${machine_name#-}"
-- 
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