CI: Add OS X build

.github/workflows/build.yml

@@ -65,6 +65,53 @@ jobs:
                   git ls-files -o|grep -v ^build/
                 fi
 
+    osx:
+        runs-on: ${{ matrix.os }}
+        strategy:
+            fail-fast: false
+            matrix:
+                name: [osx-clang]
+                include:
+                    - name: osx-clang
+                      os: macos-latest
+                      compiler: clang
+        steps:
+            - name: Install packages
+              run: |
+                # bison, flex, ncurses, texinfo, and unzip are in the base OS.
+                # berkeley-db, perl, python, curl, and jq are installed in the
+                # base image already.
+                brew install autoconf automake libtool cpanm
+                sudo cpanm install JSON
+            - name: Clone repository
+              uses: actions/checkout@v1
+            - name: Build
+              env:
+                CC: ${{ matrix.compiler }}
+                MAKEVARS: ${{ matrix.makevars }}
+                CONFIGURE_OPTS:  ${{ matrix.configureopts }}
+              run: |
+                /bin/sh ./autogen.sh
+                mkdir build
+                cd build
+                ../configure --srcdir=`dirname "$PWD"` --disable-afs-support --enable-maintainer-mode --enable-developer $CONFIGURE_OPTS --prefix=$HOME/inst CFLAGS="-Wno-error=shadow -Wno-error=bad-function-cast -Wno-error=unused-function -Wno-error=unused-result -Wno-error=deprecated-declarations"
+                ulimit -c unlimited
+                make -j4
+                make check
+                make install
+            - name: Test logs
+              if: ${{ failure() }}
+              run: |
+                find build -name \*.trs|xargs grep -lw FAIL|sed -e 's/trs$/log/'|xargs cat
+            - name: distclean
+              run: |
+                cd build
+                make distclean
+                if [ "$(git ls-files -o|grep -v ^build/ | wc -l)" -ne 0 ]; then
+                  echo "Files not removed by make distclean:"
+                  git ls-files -o|grep -v ^build/
+                fi
+
     windows:
         runs-on: windows-latest
         env: