fix ref

Change-Id: Ied30f27945a337ec73d431bff5c29ce9f1d8edd2

Author: lizhimins

.github/workflows/main.yml

@@ -27,13 +27,17 @@ jobs:
       - name: Install System Dependencies
         run: |
           sudo apt-get update
-          sudo apt-get install -y build-essential npm
+          sudo apt-get install -y gcc-10 g++-10
+          sudo g++ --version
       - name: Setup Bazel
         run: |
           sudo apt-get -qq install npm
           sudo npm install -g @bazel/bazelisk
       - name: Bazel Help
         if: matrix.os != 'windows'
         run: bazel -h
-      - name: Compile All Targets
-        run: bazel build //... -s
+      - name: Build with Bazel
+        run: |
+          export CC=/usr/bin/gcc-10
+          export CXX=/usr/bin/g++-10
+          bazel build //... -s

WORKSPACE

@@ -24,6 +24,15 @@ load(
 
 io_grpc_grpc_java()
 
+http_archive(
+    name = "com_google_absl",
+    sha256 = "59b862f50e710277f8ede96f083a5bb8d7c9595376146838b9580be90374ee1f",
+    strip_prefix = "abseil-cpp-20210324.2",
+    urls = [
+        "https://github.com/abseil/abseil-cpp/archive/refs/tags/20210324.2.tar.gz",
+    ],
+)
+
 http_archive(
     name = "rules_proto",
     sha256 = "66bfdf8782796239d3875d37e7de19b1d94301e8972b3cbd2446b332429b4df1",