Add Bazel BUILD

Adapted from:
- https://github.com/hdl/bazel_rules_hdl/tree/main/dependency_support/edu_berkeley_abc
- https://github.com/the-OpenROAD-Project/OpenROAD

Signed-off-by: Krzysztof Bieganski <kbieganski@antmicro.com>

Author: kbieganski

.bazelrc

@@ -0,0 +1,2 @@
+common --enable_workspace
+

.github/workflows/build-posix-bazel.yml

@@ -0,0 +1,35 @@
+name: Build Posix Bazel
+
+on:
+  push:
+  pull_request:
+
+jobs:
+
+  build-posix-bazel:
+    runs-on: ubuntu-latest
+
+    steps:
+    - name: Git Checkout
+      uses: actions/checkout@v4
+      with:
+        submodules: recursive
+
+    - name: Install Linux dependencies
+      run: |
+        sudo apt install -y libreadline-dev
+        wget https://github.com/bazelbuild/bazelisk/releases/latest/download/bazelisk-linux-amd64 -O bazelisk
+        chmod +x bazelisk
+        sudo mv bazelisk /usr/bin
+
+    - name: Build abc
+      run: |
+        bazelisk build //...
+
+    - name: Test Executable
+      run: |
+        bazel-bin/abc -c "r i10.aig; b; ps; b; rw -l; rw -lz; b; rw -lz; b; ps; cec"
+
+    - name: Test Library
+      run: |
+        bazel-bin/demo i10.aig

.gitignore

@@ -63,3 +63,5 @@ tags
 /cmake
 /cscope
 abc.history
+
+bazel-*