added github automated build files

.github/workflows/build_freebsd.yml

@@ -0,0 +1,37 @@
+name: FreeBSD build
+
+on:
+  push:
+  pull_request:
+  workflow_dispatch:
+
+jobs:
+  build:
+
+    runs-on: macos-12
+
+    steps:
+    - uses: actions/checkout@v3
+
+    - name: FreeBSD build
+      uses: vmactions/freebsd-vm@v0
+      with:
+        prepare: |
+          pkg install -y git gmake libX11 qt5-core qt5-gui qt5-widgets qt5-buildtools pkgconf
+          git clone https://github.com/FreeSpacenav/libspnav
+          cd libspnav
+          ./configure
+          gmake
+          gmake install
+
+        run: |
+          ./configure
+          gmake UIC=uic-qt5 MOC=moc-qt5 RCC=rcc-qt5
+          gmake DESTDIR=spnavcfg-freebsd install
+
+    - uses: actions/upload-artifact@v3
+      with:
+        name: spnavcfg-freebsd
+        path: spnavcfg-freebsd
+
+# vi:ts=2 sts=2 sw=2 expandtab:

.github/workflows/build_gnulinux.yml

@@ -0,0 +1,40 @@
+name: GNU/Linux build
+
+on:
+  push:
+  pull_request:
+  workflow_dispatch:
+
+jobs:
+  build:
+
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v3
+
+    - name: install dependencies
+      run: |
+        sudo apt-get update
+        sudo apt-get install qtbase5-dev
+        git clone https://github.com/FreeSpacenav/libspnav
+        cd libspnav
+        ./configure
+        make
+        sudo make install
+
+    - name: configure
+      run: ./configure
+
+    - name: build
+      run: make
+
+    - name: stage install
+      run: DESTDIR=spnavcfg-gnulinux make install
+
+    - uses: actions/upload-artifact@v3
+      with:
+        name: spnavcfg-gnulinux
+        path: spnavcfg-gnulinux
+
+# vi:ts=2 sts=2 sw=2 expandtab:

.github/workflows/build_macosx.yml

@@ -0,0 +1,40 @@
+name: MacOS X build
+
+on:
+  push:
+  pull_request:
+  workflow_dispatch:
+
+jobs:
+  build:
+
+    runs-on: macos-latest
+
+    steps:
+    - uses: actions/checkout@v3
+
+    - name: install dependencies
+      run: |
+        brew install qt@5
+        brew link qt@5 --force
+        git clone https://github.com/FreeSpacenav/libspnav
+        cd libspnav
+        ./configure
+        make
+        sudo make install
+
+    - name: configure
+      run: ./configure
+
+    - name: build
+      run: make
+
+    - name: stage install
+      run: DESTDIR=spnavcfg-macosx make install
+
+    - uses: actions/upload-artifact@v3
+      with:
+        name: spnavcfg-macosx
+        path: spnavcfg-macosx
+
+# vi:ts=2 sts=2 sw=2 expandtab: