From ba0154d90a0e4783675e4ecc582cc345903c323c Mon Sep 17 00:00:00 2001
From: William S Fulton <wsf@fultondesigns.co.uk>
Date: Sat, 6 Jun 2020 10:29:41 +0100
Subject: [PATCH] Fix node 6 and 8 testing on Travis

Later versions of node-gyp (7.0.0) being installed by npm don't seem
to work with node 6 and 8.
---
 Tools/travis-linux-install.sh | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/Tools/travis-linux-install.sh b/Tools/travis-linux-install.sh
index d5157086f..e25b85f04 100755
--- a/Tools/travis-linux-install.sh
+++ b/Tools/travis-linux-install.sh
@@ -39,9 +39,11 @@ case "$SWIGLANG" in
 				[ -s "$NVM_DIR/nvm.sh" ] && \. "$NVM_DIR/nvm.sh"
 				travis_retry nvm install ${VER}
 				nvm use ${VER}
-				if [ "$VER" == "0.10" ] || [ "$VER" == "0.12" ] || [ "$VER" == "4" ] ; then
+				if [ "$VER" == "0.10" ] || [ "$VER" == "0.12" ] || [ "$VER" == "4" ] || [ "$VER" == "6" ] ; then
 #					travis_retry sudo apt-get install -qq nodejs node-gyp
 					travis_retry npm install -g node-gyp@$VER
+				elif [ "$VER" == "8" ] ; then
+					travis_retry npm install -g node-gyp@6
 				else
 					travis_retry npm install -g node-gyp
 				fi