Merge pull request emmatyping#24 from tiran/ci

Add rudimentary CI with GHA

Author: emmatyping

.github/workflows/ci.yml

@@ -0,0 +1,72 @@
+---
+name: CI
+
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+    branches:
+      - main
+  schedule:
+    - cron:  '30 2 * * *'
+  workflow_dispatch:
+    inputs:
+      git-ref:
+        required: false
+
+jobs:
+  emscripten:
+    name: "Emscripten build"
+    runs-on: "ubuntu-latest"
+    steps:
+      - name: "checkout python-wasm"
+        uses: "actions/checkout@v2"
+      - name: "checkout CPython"
+        uses: "actions/checkout@v2"
+        with:
+          repository: python/cpython
+          path: cpython
+          ref: main
+      - name: "Verify checkout"
+        run: |
+          test -x build-python-build.sh || exit 1
+          test -x cpython/configure || exit 2
+      - name: "Pull build image"
+        run: docker pull quay.io/tiran/cpythonbuild:ubuntu-impish-wasm
+      - name: "Build build Python"
+        run: docker run --rm -v $(pwd):/build -w /build quay.io/tiran/cpythonbuild:ubuntu-impish-wasm ./build-python-build.sh
+      - name: "Build emscripten Python"
+        run: docker run --rm -v $(pwd):/build -w /build quay.io/tiran/cpythonbuild:ubuntu-impish-wasm ./build-python-host-emscripten.sh
+      - name: "Check artifacts"
+        run: |
+          ls -la --si cpython/builddir/host/python*
+          ls -la cpython/builddir/host/Modules/
+          test -e cpython/builddir/host/python.data || exit 1
+      - name: "Upload wasm artifacts"
+        uses: actions/upload-artifact@v2
+        with:
+          name: wasm
+          path: |
+            cpython/builddir/host/python.wasm
+            cpython/builddir/host/python.html
+            cpython/builddir/host/python.js
+            cpython/builddir/host/python.data
+          if-no-files-found: error
+      - name: "Upload build artifacts"
+        uses: actions/upload-artifact@v2
+        with:
+          name: build
+          path: |
+            cpython/builddir/host/config.log
+            cpython/builddir/host/config.cache
+            cpython/builddir/host/Makefile
+            cpython/builddir/host/pyconfig.h
+            cpython/builddir/host/libpython*.a
+            cpython/builddir/host/Modules/Setup.local
+            cpython/builddir/host/Modules/Setup.stdlib
+            cpython/builddir/host/Modules/config.c
+            cpython/builddir/host/Modules/_decimal/libmpdec/libmpdec.a
+            cpython/builddir/host/Modules/expat/libexpat.a
+            cpython/builddir/host/Programs/python.o
+          if-no-files-found: error

build-python-host-emscripten.sh

@@ -11,9 +11,15 @@ embuilder build zlib
 pushd cpython/builddir/host
 cp ../../../config.site-wasm config.site-wasm
 CONFIG_SITE=config.site-wasm READELF=true ZLIB_LIBS="-s USE_ZLIB" emconfigure ../../configure -C --without-pymalloc --enable-big-digits=30 --with-pydebug --with-ensurepip=no --disable-ipv6 --host=wasm32-unknown-emscripten --build=$(../../config.guess) --with-build-python=$(pwd)/../build/python --with-freeze-module=$(pwd)/../build/Programs/_freeze_module
+
+# Use Setup.stdlib and force rebuild of Makefile
 ln -sfr Modules/Setup.stdlib Modules/Setup.local
+rm Modules/config.c
+make Modules/config.c
+
 emmake make -j$(nproc)
 make altinstall prefix=../usr/local
+
 pushd ../usr/local
 # not needed, as the binary is already loaded by the .html
 # includes aren't need for distribution, various libraries