fix ci

Author: wuxianrong

.github/workflows/pika.yml

@@ -35,21 +35,16 @@ jobs:
         run: |
           sudo apt-get update
           sudo apt-get install -y autoconf libprotobuf-dev protobuf-compiler clang-tidy
-
+          
       - name: Configure CMake
         # Configure CMake in a 'build' subdirectory. `CMAKE_BUILD_TYPE` is only required if you are using a single-configuration generator such as make.
         # See https://cmake.org/cmake/help/latest/variable/CMAKE_BUILD_TYPE.html?highlight=cmake_build_type
-        run: cmake -B build -DCMAKE_BUILD_TYPE=${{ env.BUILD_TYPE }} -DUSE_PIKA_TOOLS=ON -DCMAKE_CXX_FLAGS_DEBUG=-fsanitize=address -D CMAKE_C_COMPILER_LAUNCHER=ccache -D CMAKE_CXX_COMPILER_LAUNCHER=ccache
+        run: cmake -B build -DCMAKE_BUILD_TYPE=${{ env.BUILD_TYPE }} -DUSE_PIKA_TOOLS=ON -DCMAKE_CXX_FLAGS_DEBUG=-fsanitize=address -D CMAKE_C_COMPILER_LAUNCHER=ccache -D CMAKE_CXX_COMPILER_LAUNCHER=ccache 
 
       - name: Build
         # Build your program with the given configuration
         run: cmake --build build --config ${{ env.BUILD_TYPE }}
 
-      - name: Cleanup
-        run: |
-          rm -rf  ./deps
-          rm -rf ./buildtrees
-
       - uses: actions/upload-artifact@v4
         with:
           name: ${{ env.ARTIFACT_PIKA_NAME }}
@@ -260,7 +255,7 @@ jobs:
           cp deps/lib/libz.1.dylib tests/integration/
           rm -rf ./deps 
           rm -rf ./buildtree
-
+          
       - name: Unit Test
         working-directory: ${{ github.workspace }}
         run: |

CMakeLists.txt

@@ -177,7 +177,7 @@ ExternalProject_Add(gflags
   URL
   https://github.com/gflags/gflags/archive/refs/tags/v2.2.2.tar.gz
   URL_HASH
-  MD5=1a865b93bacfa963201af3f75b7bd64c
+  MD5=1a865b93bacfa963201af3f75b7bd64c 
   DOWNLOAD_NO_PROGRESS
   1
   UPDATE_COMMAND
@@ -191,6 +191,7 @@ ExternalProject_Add(gflags
   BUILD_ALWAYS
   1
   CMAKE_ARGS
+  -DCMAKE_POLICY_VERSION_MINIMUM=3.5
   -DCMAKE_INSTALL_PREFIX=${STAGED_INSTALL_PREFIX}
   -DCMAKE_BUILD_TYPE=${LIB_BUILD_TYPE}
   -DGFLAGS_NAMESPACE=gflags