Merge pull request #29 from flightaware/min_cmake

update min cmake for tests

Author: maryryang2

.github/workflows/linux-ci.yml

@@ -9,16 +9,16 @@ on:
 jobs:
  build:
 
- runs-on: ubuntu-20.04
+ runs-on: ubuntu-22.04
 
  steps:
  - uses: actions/checkout@v2
  - name: Install dependencies
  run: |
  sudo add-apt-repository -y ppa:ubuntu-toolchain-r/test
  sudo apt-get update -qq
- sudo apt-get install -y gcc-7 g++-7
- sudo update-alternatives --install /usr/bin/gcc gcc /usr/bin/gcc-7 70 --slave /usr/bin/g++ g++ /usr/bin/g++-7
+ sudo apt-get install -y gcc-11 g++-11
+ sudo update-alternatives --install /usr/bin/gcc gcc /usr/bin/gcc-11 70 --slave /usr/bin/g++ g++ /usr/bin/g++-11
  sudo apt-get install -y tcl8.6-dev
  - name: make
  run: make

test/CMakeLists.txt

@@ -1,4 +1,4 @@
-cmake_minimum_required(VERSION 3.0)
+cmake_minimum_required(VERSION 3.8)
 
 set(TCL_TCLSH tclsh8.6)