[elpa] externals/compat 9df8e0c 38/99: Add GitHub action file for CI

[ELPA Syncer]

branch: externals/compat
commit 9df8e0c20e80ac9d6a2650f21e58c6d3de225f2e
Author: Philip Kaludercic <philipk@posteo.net>
Commit: Philip Kaludercic <philipk@posteo.net>

    Add GitHub action file for CI
    
    On GitHub we can make use of the existing infrastructure for continuous
    integration, verifying that any contributions via GitHub compile and
    pass all tests.
---
 .github/workflows/makefile.yml | 62 ++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 62 insertions(+)

diff --git a/.github/workflows/makefile.yml b/.github/workflows/makefile.yml
new file mode 100644
index 0000000..a3a1e68
--- /dev/null
+++ b/.github/workflows/makefile.yml
@@ -0,0 +1,62 @@
+name: CI
+
+on:
+  push:
+    paths-ignore:
+      - '**.md'
+  pull_request:
+    paths-ignore:
+      - '**.md'
+
+jobs:
+  compile:
+    name: 'Compile'
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        emacs-version:
+          - '24.3'
+          - '24.4'
+          - '24.5'
+          - '25.1'
+          - '25.2'
+          - '25.3'
+          - '26.1'
+          - '26.2'
+          - '26.3'
+          - '27.1'
+          - '27.2'
+          - 'snapshot'
+    steps:
+    - uses: actions/checkout@v2
+    - uses: purcell/setup-emacs@master
+      with:
+        version: ${{ matrix.emacs-version }}
+    - name: Compile Elisp files
+      run: make -k compile
+
+  test:
+    name: 'Test'
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        emacs-version:
+          - '24.3'
+          - '24.4'
+          - '24.5'
+          - '25.1'
+          - '25.2'
+          - '25.3'
+          - '26.1'
+          - '26.2'
+          - '26.3'
+          - '27.1'
+          - '27.2'
+          - 'snapshot'
+    steps:
+    - uses: actions/checkout@v2
+    - uses: purcell/setup-emacs@master
+      with:
+        version: ${{ matrix.emacs-version }}
+    - name: Run tests
+      run: make test