Pass -DCMAKE_POLICY_VERSION_MINIMUM=3.5 to CMake

Googletest is broken across the Ubuntu images provided by GitHub, and
it complains about incompatibility with CMake versions < 3.5. Since we
use googletest as a third-party submodule, which we do not have control
over, lets pass -DCMAKE_POLICY_VERSION_MINIMUM=3.5 to keep CMake
compatible as a workaround.

Signed-off-by: Kamalesh Babulal <kamalesh.babulal@oracle.com>

Author: kamalesh-babulal

.github/workflows/continuous-integration.yml

@@ -217,7 +217,7 @@ jobs:
         git submodule update --init --recursive
         pushd googletest/googletest
         git checkout release-1.8.0
-        cmake -DBUILD_SHARED_LIBS=ON .
+        cmake -DBUILD_SHARED_LIBS=ON -DCMAKE_POLICY_VERSION_MINIMUM=3.5 .
         make
         popd
     - name: Automake

bootstrap.sh

@@ -15,7 +15,7 @@ git submodule update --init --recursive
 # configure googletest
 pushd googletest/googletest
 git checkout release-1.8.0
-cmake -DBUILD_SHARED_LIBS=ON .
+cmake -DBUILD_SHARED_LIBS=ON -DCMAKE_POLICY_VERSION_MINIMUM=3.5 .
 make
 popd