From be1ca6f96030ff823da21255499d14316d264ab5 Mon Sep 17 00:00:00 2001
From: Alberto Invernizzi <invernizzi@cscs.ch>
Date: Sun, 27 Jun 2021 18:56:54 +0200
Subject: [PATCH] try downloading and installing last cmake version in travis

---
 .travis.yml | 1 -
 ci_build.sh | 9 +++++++++
 2 files changed, 9 insertions(+), 1 deletion(-)

diff --git a/.travis.yml b/.travis.yml
index ae003a5..ea928bd 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -109,5 +109,4 @@ matrix:
 # Build and check this project
 script:
   - eval "${MATRIX_EVAL}"
-  - cmake --version
   - ./ci_build.sh
diff --git a/ci_build.sh b/ci_build.sh
index cb182c4..c58a53d 100755
--- a/ci_build.sh
+++ b/ci_build.sh
@@ -12,6 +12,13 @@ CPPZMQ=${PWD}/cppzmq-build
 # Travis machines have 2 cores
 JOBS=2
 
+cmake_install() {
+  wget -qO- "https://cmake.org/files/v3.20/cmake-3.20.5-linux-x86_64.tar.gz" \
+    | tar --strip-components=1 -xz -C /tmp/cmake.root
+  export PATH=/tmp/cmake.root/bin:$PATH
+  cmake --version
+}
+
 libzmq_install() {
     curl -L https://github.com/zeromq/libzmq/archive/v"${ZMQ_VERSION}".tar.gz \
       >zeromq.tar.gz
@@ -62,6 +69,8 @@ cppzmq_demo() {
     popd
 }
 
+cmake_install
+
 if [ "${ZMQ_VERSION}" != "" ] ; then libzmq_install ; fi
 
 cppzmq_build