From 43564c584d020c58cf148b4d232ce38a2be8d1a3 Mon Sep 17 00:00:00 2001
From: tangxifan <tangxifan@gmail.com>
Date: Tue, 24 Nov 2020 10:29:05 -0700
Subject: [PATCH] [Test] Add the matrix for compiler compatibility tests

---
 .github/workflows/build.yml | 42 +++++++++++++++++++++++++++++++++++++
 1 file changed, 42 insertions(+)

diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 7cbcbc010..19279b1bd 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -28,6 +28,27 @@ jobs:
       fail-fast: false
       matrix:
         config:
+        - {
+            name: "Build Compatibility: GCC-5 (Ubuntu 18.04)",
+            artifact: "OpenFPGA-ubuntu-18.04-gcc5-build.7z",
+            os: ubuntu-18.04,
+            cc: "gcc-5", cxx: "g++-5"
+          }
+
+        - {
+            name: "Build Compatibility: GCC-6 (Ubuntu 18.04)",
+            artifact: "OpenFPGA-ubuntu-18.04-gcc6-build.7z",
+            os: ubuntu-18.04,
+            cc: "gcc-6", cxx: "g++-6"
+          }
+
+        - {
+            name: "Build Compatibility: GCC-7 (Ubuntu 18.04)",
+            artifact: "OpenFPGA-ubuntu-18.04-gcc7-build.7z",
+            os: ubuntu-18.04,
+            cc: "gcc-7", cxx: "g++-7"
+          }
+
         - {
             name: "Build Compatibility: GCC-8 (Ubuntu 18.04)",
             artifact: "OpenFPGA-ubuntu-18.04-gcc8-build.7z",
@@ -35,6 +56,27 @@ jobs:
             cc: "gcc-8", cxx: "g++-8"
           }
 
+        - {
+            name: "Build Compatibility: GCC-9 (Ubuntu 18.04)",
+            artifact: "OpenFPGA-ubuntu-18.04-gcc9-build.7z",
+            os: ubuntu-18.04,
+            cc: "gcc-9", cxx: "g++-9"
+          }
+
+        - {
+            name: "Build Compatibility: Clang-6 (Ubuntu 18.04)",
+            artifact: "OpenFPGA-ubuntu-18.04-clang6-build.7z",
+            os: ubuntu-18.04,
+            cc: "clang-6.0", cxx: "clang++-6.0"
+          }
+
+        - {
+            name: "Build Compatibility: Clang-8 (Ubuntu 18.04)",
+            artifact: "OpenFPGA-ubuntu-18.04-clang8-build.7z",
+            os: ubuntu-18.04,
+            cc: "clang-8", cxx: "clang++-8"
+          }
+
     # Define the steps to run the build job
     steps:
       - name: Checkout OpenFPGA repo