https://github.com/openscad/openscad/commit/b6c170cc5d.patch

From b6c170cc5dd1bc677176ee732cdb0ddae57e5cf0 Mon Sep 17 00:00:00 2001
From: Jan Beich <jbeich@FreeBSD.org>
Date: Fri, 25 Oct 2019 15:10:26 +0000
Subject: [PATCH] Add missing header bootlegged by Boost < 1.72

src/parser.y:76:6: error: no template named 'stack' in namespace 'std'
std::stack<LocalScope *> scope_stack;
~~~~~^
---
 src/parser.y | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/parser.y b/src/parser.y
index 7f4fd56ca7..4c77c989ea 100644
--- a/src/parser.y
+++ b/src/parser.y
@@ -46,6 +46,7 @@
 #include "printutils.h"
 #include "memory.h"
 #include <sstream>
+#include <stack>
 #include <boost/filesystem.hpp>
 #include "boost-utils.h"
 #include "feature.h"
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<tr><td><span title='2019-04-05 15:39:35 +0200'>2019-04-05</span></td><td><a href='/guix/commit/gnu/services/dbus.scm?id=aa071ca049c4324c790b3364e6c4c8e886d26a9e'>services: dbus: 'wrapped-dbus-service' accepts a list of variables.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2019-04-05 15:39:35 +0200'>2019-04-05</span></td><td><a href='/guix/commit/gnu/services/dbus.scm?id=b68f65007f50175a68cd174ad7c1036cf622556d'>services: dbus: Add 'wrapped-dbus-service'.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2019-03-08 23:21:59 +0100'>2019-03-08</span></td><td><a href='/guix/commit/gnu/services/dbus.scm?id=d429878daf3e3eb21660ed80934b1d4b0603f6e1'>activation: Shared system home directories are now 555 and root-owned.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2018-05-20 21:42:33 +0300'>2018-05-20</span></td><td><a href='/guix/commit/gnu/services/dbus.scm?id=6a2b906565b677d62210d69d418ce150c202931b'>services: dbus: Search more directories for '.service' files.</a><span class='msg-avail'>...</span></td><td>Efraim Flashner</td></tr>
<tr><td><span title='2017-07-11 00:48:51 +0200'>2017-07-11</span></td><td><a href='/guix/commit/gnu/services/dbus.scm?id=3e8d037b168f101aa4691f0f963e6084e0f37df7'>services: dbus, polkit: Add default value.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2016-11-24 21:43:47 +0100'>2016-11-24</span></td><td><a href='/guix/commit/gnu/services/dbus.scm?id=2e328698248b4b5d7ed07af89796acd9bfadbaff'>services: Move polkit to (gnu services dbus).</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>