From 922abd7bff03a75f41788596e9398ba6e03c2ac6 Mon Sep 17 00:00:00 2001
From: Michael Drake <tlsa@netsurf-browser.org>
Date: Sat, 22 Oct 2022 17:44:02 +0100
Subject: GitHub CI: Add linux build and unit test job

---
 .github/workflows/build.yaml | 104 +++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 104 insertions(+)
 create mode 100644 .github/workflows/build.yaml

diff --git a/.github/workflows/build.yaml b/.github/workflows/build.yaml
new file mode 100644
index 000000000..69528c9ee
--- /dev/null
+++ b/.github/workflows/build.yaml
@@ -0,0 +1,104 @@
+name: "Linux Build"
+
+on: [push]
+
+jobs:
+  linux:
+    name: '${{ matrix.os }}: ${{ matrix.compiler.vendor }}'
+    runs-on: ${{ matrix.os }}
+    strategy:
+      fail-fast: false
+      matrix:
+        os:
+          - ubuntu-22.04
+          - ubuntu-20.04
+        compiler:
+          # The NetSurf build system can't find LLVM AR (it looks for it
+          # in /usr/lib instead of /usr/bin:
+          #     `make: /usr/lib/llvm-ar: No such file or directory`).
+          # So we need to make it explicit for llvm.
+          - { vendor: gnu,  CC: gcc }
+          - { vendor: llvm, CC: clang, AR: llvm-ar }
+
+    steps:
+    - name: Checkout repository
+      uses: actions/checkout@v3
+      with:
+        fetch-depth: 1
+
+    - name: apt-get install packages
+      run: sudo apt-get update -qq &&
+           sudo apt-get install --no-install-recommends -y
+               bison
+               build-essential
+               check
+               clang
+               flex
+               git
+               gperf
+               libcurl4-openssl-dev
+               libgtk-3-dev
+               libhtml-parser-perl
+               libjpeg-dev
+               libpng-dev
+               librsvg2-dev
+               llvm
+               pkg-config
+               wbritish # Needed for `/usr/share/dict/words`, used by test
+
+    - name: Build and install project libs
+      env:
+        CC: ${{ matrix.compiler.CC }}
+        CXX: ${{ matrix.compiler.CXX }}
+      run: |
+          export TARGET_WORKSPACE="$(pwd)/projects"
+          source docs/env.sh
+          ns-clone -n -s
+          ns-make-tools install
+          ns-make-libs install
+
+    - name: Disable -Werror
+      # We can remove this step if we ever move to GitHub properly.
+      run: |
+          find . -type f -name Makefile | xargs sed -i 's/-Werror//'
+
+    - name: Unit Tests
+      # Fails when built with clang:
+      #  test/corestrings.c:58:F:corestrings:corestrings_test:486:
+      #  Assertion 'ires == NSERROR_NOMEM' failed: ires == 0, NSERROR_NOMEM == 2
+      # Looks like `malloc_limit()` not working.
+      if: ${{ matrix.compiler.vendor != 'llvm' }}
+      env:
+        CC: ${{ matrix.compiler.CC }}
+        CXX: ${{ matrix.compiler.CXX }}
+      run: |
+          export TARGET_WORKSPACE="$(pwd)/projects"
+          source docs/env.sh
+          make test
+
+    - name: Build NetSurf GTK
+      env:
+        CC: ${{ matrix.compiler.CC }}
+        CXX: ${{ matrix.compiler.CXX }}
+      run: |
+          export TARGET_WORKSPACE="$(pwd)/projects"
+          source docs/env.sh
+          make -j"$(nproc)" TARGET=gtk
+
+    - name: Build NetSurf Monkey
+      env:
+        CC: ${{ matrix.compiler.CC }}
+        CXX: ${{ matrix.compiler.CXX }}
+      run: |
+          export TARGET_WORKSPACE="$(pwd)/projects"
+          source docs/env.sh
+          make -j"$(nproc)" TARGET=monkey
+
+    - name: Build NetSurf Framebuffer
+      env:
+        CC: ${{ matrix.compiler.CC }}
+        CXX: ${{ matrix.compiler.CXX }}
+      run: |
+          export TARGET_WORKSPACE="$(pwd)/projects"
+          source docs/env.sh
+          make -j"$(nproc)" TARGET=framebuffer
-- 
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