Merge pull request #36 from AkihiroSuda/gha

configure.ac: Downgrade autoconf from 2.71 to 2.59 ; Add CI (GitHub Actions)

.github/workflows/ci.yml

@@ -0,0 +1,35 @@
+name: "CI"
+on:
+  push:
+  pull_request:
+  workflow_dispatch:
+jobs:
+  smoke:
+    name: "Smoke test"
+    strategy:
+      matrix:
+        os: [ubuntu-20.04, macos-11]
+    runs-on: ${{ matrix.os }}
+    timeout-minutes: 30
+    steps:
+      - name: "Check out"
+        uses: actions/checkout@v2
+        with:
+          fetch-depth: 1
+      - name: "Install dependencies (Linux)"
+        if: runner.os == 'Linux'
+        run: |
+          sudo apt-get update
+          sudo apt-get install -y autoconf automake
+      - name: "Install dependencies (macOS)"
+        if: runner.os == 'macOS'
+        run: brew install autoconf automake
+      - name: "Build"
+        run: |
+          autoreconf -fis
+          ./configure --prefix=/opt/vde
+          make
+          sudo make install
+      - name: "Smoke test"
+        run: |
+          /opt/vde/bin/vde_switch --version

configure.ac

@@ -1,7 +1,7 @@
 #                                               -*- Autoconf -*-/
 # Process this file with autoconf to produce a configure script.
 
-AC_PREREQ([2.71])
+AC_PREREQ([2.59])
 AC_INIT([vde2],[2.3.2],[info@v2.cs.unibo.it])
 AC_CONFIG_MACRO_DIR([m4])
 AM_INIT_AUTOMAKE([foreign dist-bzip2 subdir-objects])
@@ -32,7 +32,6 @@ AC_CHECK_LIB([pcap], [pcap_open_dead],
   [add_pcap=no ; warn_pcap=yes])
 
 # Checks for header files.
-AC_CHECK_INCLUDES_DEFAULT
 AC_PROG_EGREP
 
 AC_HEADER_SYS_WAIT