From 2d1e5a0246d5b2e806ea029ec045ee6f23cf6c78 Mon Sep 17 00:00:00 2001
From: Sam Clegg <sbc@chromium.org>
Date: Fri, 22 Nov 2019 15:26:21 -0800
Subject: Initial support for github actions (#1238)

This adds a basic workflow that builds and tests wabt on all three
desktop platforms.

The plan is to extend this to completely replace travis and appveyor
in the future.

Remove the 2.7 requirement for python in CMakeLists.txt due to issue
with github actions where this ends up selected in the wrong (mingw)
version of python. See:
https://github.com/actions/setup-python/issues/40
---
 .github/workflows/build.yml | 27 +++++++++++++++++++++++++++
 CMakeLists.txt              |  8 +++++++-
 2 files changed, 34 insertions(+), 1 deletion(-)
 create mode 100644 .github/workflows/build.yml

diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
new file mode 100644
index 00000000..23656c4f
--- /dev/null
+++ b/.github/workflows/build.yml
@@ -0,0 +1,27 @@
+name: CI
+
+on: [pull_request]
+
+jobs:
+  build:
+    name: Build
+    runs-on: ${{ matrix.os }}
+    strategy:
+      matrix:
+        os: [ubuntu-16.04, macos-latest, windows-latest]
+    steps:
+    - uses: actions/setup-python@v1
+      with:
+        python-version: '2.7'
+    - uses: actions/checkout@v1
+      with:
+        submodules: true
+    - name: mkdir
+      run: mkdir -p out
+    - name: cmake
+      run: cmake ..
+      working-directory: out
+    - name: build
+      run: cmake --build out
+    - name: test
+      run: cmake --build out --target run-tests
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 6452dc85..c4090908 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -496,7 +496,13 @@ if (NOT EMSCRIPTEN)
     endif ()
 
     # test running
-    find_package(PythonInterp 2.7 REQUIRED)
+    # TODO(sbc): Requrie python3 for running tests.
+    # For now we don't set a version here due to and issue with github actions
+    # where python 2.7 is in the PATH as "python.exe" but a mingw version is
+    # installed as "python2.7.exe" and cmake will alwasy choose the later (which
+    # we don't want) if we specify 2.7 explictly here.
+    # See: https://github.com/actions/setup-python/issues/40
+    find_package(PythonInterp REQUIRED)
     set(RUN_TESTS_PY ${WABT_SOURCE_DIR}/test/run-tests.py)
     add_custom_target(run-tests
       COMMAND $<TARGET_FILE:wabt-unittests>
-- 
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