GitHub Actions: build Windows binaries

Signed-off-by: Dirk Hohndel <dirk@hohndel.org>

.github/workflows/windows-in-container-build.sh

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+#!/bin/bash
+# this gets executed inside the container when building a Windows
+# installer on Travis
+#
+# working directory is assumed to be the directory including all the
+# source directories (subsurface, googlemaps, grantlee, etc)
+# in order to be compatible with the assumed layout in the MXE script, we
+# need to create the secondary build directory
+
+set -x
+set -e
+
+mkdir -p win32
+cd win32
+
+# build Subsurface and then smtk2ssrf
+export MXEBUILDTYPE=i686-w64-mingw32.shared
+bash -ex ../subsurface/packaging/windows/mxe-based-build.sh installer
+
+# the strange two step move is in order to get predictable names to use
+# in the publish step of the GitHub Action
+mv subsurface/subsurface.exe* ${GITHUB_WORKSPACE}/
+mv subsurface/subsurface-*.exe ${GITHUB_WORKSPACE}/subsurface-installer.exe
+
+bash -ex ../subsurface/packaging/windows/smtk2ssrf-mxe-build.sh -a -i
+
+# the strange two step move is in order to get predictable names to use
+# in the publish step of the GitHub Action
+mv smtk-import/smtk2ssrf.exe ${GITHUB_WORKSPACE}/
+mv smtk-import/smtk2ssrf*.exe ${GITHUB_WORKSPACE}/smtk2ssrf-installer.exe

.github/workflows/windows.yml

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+name: Windows
+on: push
+
+jobs:
+  buildInContainer:
+    runs-on: ubuntu-latest
+    container:
+      image: docker://dirkhh/mxe-build-container:0.9
+
+    steps:
+    - name: checkout sources
+      run: |
+        cd /win
+        git clone git://github.com/${GITHUB_REPOSITORY}
+        cd subsurface
+        git checkout ${GITHUB_SHA}
+        git submodule init
+        git submodule update
+
+    - name: get other dependencies
+      run: |
+        cd /win
+        apt-get install -y ca-certificates libtool
+        bash subsurface/scripts/get-dep-lib.sh single . libzip
+        bash subsurface/scripts/get-dep-lib.sh single . hidapi
+        bash subsurface/scripts/get-dep-lib.sh single . googlemaps
+        bash subsurface/scripts/get-dep-lib.sh single . grantlee
+        bash subsurface/scripts/get-dep-lib.sh single . mdbtools
+
+    - name: run build
+      run: |
+        cd /win
+        bash -x subsurface/.github/workflows/windows-in-container-build.sh 2>&1 | tee build.log
+        grep "Built target installer" build.log
+
+    - name: publish Subsurface installer
+      uses: actions/upload-artifact@v1
+      with:
+        name: subsurface-${{github.sha}}-installer.exe
+        path: ./subsurface-installer.exe  # /${GITHUB_WORKSPACE}/ in the container is '.' here
+
+    - name: publish Subsurface binary
+      uses: actions/upload-artifact@v1
+      with:
+        name: subsurface-${{github.sha}}.exe
+        path: ./subsurface.exe  # /${GITHUB_WORKSPACE}/ in the container is '.' here
+
+    - name: publish Subsurface debug binary
+      uses: actions/upload-artifact@v1
+      with:
+        name: subsurface-${{github.sha}}.exe.debug
+        path: ./subsurface.exe.debug  # /${GITHUB_WORKSPACE}/ in the container is '.' here
+
+    - name: publish smtk2ssrf installer
+      uses: actions/upload-artifact@v1
+      with:
+        name: smtk2ssrf-${{github.sha}}-installer.exe
+        path: ./smtk2ssrf-installer.exe  # /${GITHUB_WORKSPACE}/ in the container is '.' here
+
+    - name: publish Subsurface installer
+      uses: actions/upload-artifact@v1
+      with:
+        name: smtk2ssrf-${{github.sha}}.exe
+        path: ./subsurface.exe  # /${GITHUB_WORKSPACE}/ in the container is '.' here