Add GitHub actions

.github/workflows/build-test.yml

@@ -0,0 +1,47 @@
+name: Build and test
+
+on: [push, pull_request]
+
+jobs:
+  build-ubuntu:
+    name: Ubuntu 18.04
+    runs-on: ubuntu-18.04
+    steps:
+      - uses: actions/checkout@v2
+        with:
+          fetch-depth: 1
+      - name: Install dependencies
+        run: sudo apt-get install automake flex llvm-dev check lcov
+      - name: Generate configure script
+        run: ./autogen.sh
+      - name: Configure
+        run: ./configure --enable-gcov --enable-vhpi --with-llvm=/usr/bin/llvm-config
+      - name: Build
+        run: make
+      - name: Test
+        run: make check
+      - name: Coverage report
+        run: make cov-generate
+      - name: Coveralls
+        uses: coverallsapp/github-action@master
+        with:
+          github-token: ${{ secrets.GITHUB_TOKEN }}
+          path-to-lcov: ./coverage/nvc.info
+
+  build-mac:
+    name: Mac OS X
+    runs-on: macos-10.15
+    steps:
+      - uses: actions/checkout@v2
+        with:
+          fetch-depth: 1
+      - name: Install dependencies
+        run: brew install llvm check automake
+      - name: Generate configure script
+        run: ./autogen.sh
+      - name: Configure
+        run: ./configure --enable-vhpi
+      - name: Build
+        run: make
+      - name: Test
+        run: make check

test/Makemodule.am

@@ -53,9 +53,12 @@ cov-reset:
 	find $(top_builddir) -name '*.gcda' -exec rm {} \;
 	lcov --directory $(build) --zerocounters
 
-cov-report:
+cov-generate:
 	mkdir -p $(covdir)
 	lcov --directory $(build) --capture --output-file $(covdir)/nvc.info
+	lcov --remove $(covdir)/nvc.info '/usr/*' $(build)/src/lexer.c
+
+cov-report: cov-generate
 	genhtml -o $(covdir) $(covdir)/nvc.info
 	-x-www-browser $(covdir)/index.html