[ci] add macos 12 aka xcode14 for travis

.travis.yml

@@ -0,0 +1,39 @@
+language: generic
+
+jobs:
+  include:
+    - os: osx
+      arch: amd64
+      osx_image: xcode14.2
+
+addons:
+  homebrew:
+    packages:
+    - bash
+
+env:
+  - LISP: sbcl
+
+install:
+  - echo $PWD
+  - ls
+  - bash --version
+  - bash <(curl -s https://raw.githubusercontent.com/digikar99/lisp-travis-lite/master/run.sh)
+
+script:
+  - echo $PATH
+
+  - ls
+  - echo Testing without numpy
+  - cl --eval '(push #P"./" ql:*local-project-directories*)' --eval '(ql:quickload "py4cl2-cffi")' --eval '(assert (= 5 (py4cl2-cffi:pyeval 5)))' --eval '(print py4cl2-cffi:*internal-features*)'
+
+  - echo Installing python modules
+  - python -m ensurepip --upgrade
+  - python3 -m venv ./py4cl2-cffi/
+  - source ./py4cl2-cffi/bin/activate
+  - pip3 install numpy
+  - pip3 install networkx
+  - pip3 install matplotlib
+
+notifications:
+  email: false