fix linker

Author: allnes

.github/workflows/main.yml

@@ -43,7 +43,7 @@ jobs:
         sudo add-apt-repository ppa:ubuntu-toolchain-r/test
         sudo apt-get update
         sudo apt-get install gcc-13 g++-13
-        sudo apt-get install ninja-build
+        sudo apt-get install ninja-build mold
         sudo apt-get install mpich
         sudo apt-get install libomp-dev
         sudo apt-get install valgrind
@@ -56,7 +56,7 @@ jobs:
     - name: CMake configure
       run: >
         cmake -S . -B build
-        -D CMAKE_C_COMPILER_LAUNCHER=ccache -D CMAKE_CXX_COMPILER_LAUNCHER=ccache
+        -D CMAKE_C_COMPILER_LAUNCHER=ccache -D CMAKE_CXX_COMPILER_LAUNCHER=ccache -DENABLE_MOLD=ON
         -G Ninja -D USE_SEQ=ON -D USE_MPI=ON -D USE_OMP=ON -D USE_TBB=ON -D USE_STL=ON
         -D USE_FUNC_TESTS=ON -D USE_PERF_TESTS=ON
         -D CMAKE_BUILD_TYPE=RELEASE
@@ -122,7 +122,7 @@ jobs:
         sudo add-apt-repository ppa:ubuntu-toolchain-r/test
         sudo apt-get update
         sudo apt-get install gcc-13 g++-13
-        sudo apt-get install ninja-build
+        sudo apt-get install ninja-build mold
         sudo apt-get install mpich
         sudo apt-get install libomp-dev
         sudo apt-get install valgrind
@@ -135,7 +135,7 @@ jobs:
     - name: CMake configure
       run: >
         cmake -S . -B build
-        -D CMAKE_C_COMPILER_LAUNCHER=ccache -D CMAKE_CXX_COMPILER_LAUNCHER=ccache
+        -D CMAKE_C_COMPILER_LAUNCHER=ccache -D CMAKE_CXX_COMPILER_LAUNCHER=ccache -DENABLE_MOLD=ON
         -G Ninja -D USE_SEQ=ON -D USE_MPI=ON -D USE_OMP=ON -D USE_TBB=ON -D USE_STL=ON
         -D USE_FUNC_TESTS=ON -D USE_PERF_TESTS=ON
         -D CMAKE_BUILD_TYPE=RELEASE
@@ -887,7 +887,7 @@ jobs:
       run: |
         sudo apt-get update
         sudo apt-get install gcc g++
-        sudo apt-get install ninja-build
+        sudo apt-get install ninja-build mold
         sudo apt-get install mpich
         sudo apt-get install libomp-dev
         sudo apt-get install valgrind
@@ -896,7 +896,7 @@ jobs:
       run: >
         cmake -S . -B build
         -G Ninja -D USE_SEQ=ON -D USE_MPI=ON -D USE_OMP=ON -D USE_TBB=ON -D USE_STL=ON
-        -D USE_FUNC_TESTS=ON -D USE_PERF_TESTS=ON
+        -D USE_FUNC_TESTS=ON -D USE_PERF_TESTS=ON -DENABLE_MOLD=ON
         -D CMAKE_BUILD_TYPE=RELEASE
         -D CMAKE_VERBOSE_MAKEFILE=ON
         -D USE_COVERAGE=ON
@@ -962,7 +962,7 @@ jobs:
         sudo add-apt-repository ppa:ubuntu-toolchain-r/test
         sudo apt-get update
         sudo apt-get install gcc-12 g++-12
-        sudo apt-get install ninja-build
+        sudo apt-get install ninja-build mold
         sudo apt-get install mpich
         sudo apt-get install libomp-dev
         sudo apt-get install valgrind
@@ -975,7 +975,7 @@ jobs:
     - name: CMake configure
       run: >
         cmake -S . -B build
-        -D CMAKE_C_COMPILER_LAUNCHER=ccache -D CMAKE_CXX_COMPILER_LAUNCHER=ccache
+        -D CMAKE_C_COMPILER_LAUNCHER=ccache -D CMAKE_CXX_COMPILER_LAUNCHER=ccache -DENABLE_MOLD=ON
         -G Ninja -D USE_SEQ=ON -D USE_MPI=ON -D USE_OMP=ON -D USE_TBB=ON -D USE_STL=ON
         -D USE_FUNC_TESTS=ON -D USE_PERF_TESTS=ON
         -D CMAKE_BUILD_TYPE=RELEASE

cmake/configure.cmake

@@ -49,6 +49,13 @@ endif( MSVC )
 
 add_compile_definitions(PPC_PATH_TO_PROJECT="${CMAKE_CURRENT_SOURCE_DIR}")
 
+option(ENABLE_MOLD OFF)
+if (ENABLE_MOLD)
+    set(CMAKE_LINKER mold)
+    set(CMAKE_EXE_LINKER_FLAGS "-fuse-ld=mold ${CMAKE_EXE_LINKER_FLAGS}")
+    set(CMAKE_SHARED_LINKER_FLAGS "-fuse-ld=mold ${CMAKE_SHARED_LINKER_FLAGS}")
+endif()
+
 MACRO(SUBDIRLIST result curdir)
   FILE(GLOB children RELATIVE ${curdir} ${curdir}/*)
   SET(dirlist "")

cmake/opencv.cmake

@@ -10,6 +10,6 @@ ExternalProject_Add(ppc_opencv
         -DCMAKE_CXX_COMPILER=${CMAKE_CXX_COMPILER} -DCMAKE_C_COMPILER=${CMAKE_C_COMPILER} -G${CMAKE_GENERATOR} -DCMAKE_BUILD_TYPE=${CMAKE_BUILD_TYPE} -D CMAKE_C_COMPILER_LAUNCHER=${CMAKE_C_COMPILER_LAUNCHER}
         -D CMAKE_CXX_COMPILER_LAUNCHER=${CMAKE_CXX_COMPILER_LAUNCHER} -DCMAKE_CXX_FLAGS="-w" -DCMAKE_C_FLAGS="-w" -DENABLE_CCACHE=ON -DBUILD_TESTS=OFF -DBUILD_PERF_TESTS=OFF
         -DBUILD_EXAMPLES=OFF -DBUILD_DOCS=OFF -DWITH_CUDA=OFF -DWITH_OPENCL=OFF -DBUILD_opencv_calib3d=OFF -DBUILD_opencv_dnn=OFF -DBUILD_opencv_ml=OFF -DBUILD_opencv_objdetect=OFF
-        -DBUILD_opencv_video=OFF -DBUILD_opencv_world=OFF -DBUILD_opencv_features2d=OFF -DBUILD_opencv_flann=OFF -DBUILD_opencv_photo=OFF
+        -DBUILD_opencv_java=OFF -DBUILD_opencv_gapi=OFF -DBUILD_opencv_video=OFF -DBUILD_opencv_world=OFF -DBUILD_opencv_features2d=OFF -DBUILD_opencv_flann=OFF -DBUILD_opencv_photo=OFF
         BUILD_COMMAND     "${CMAKE_COMMAND}" --build "${CMAKE_CURRENT_BINARY_DIR}/ppc_opencv/build" --config ${CMAKE_BUILD_TYPE} --parallel
         INSTALL_COMMAND   "${CMAKE_COMMAND}" --install "${CMAKE_CURRENT_BINARY_DIR}/ppc_opencv/build" --prefix "${CMAKE_CURRENT_BINARY_DIR}/ppc_opencv/install")

tasks/CMakeLists.txt

@@ -141,8 +141,7 @@ foreach(TASK_TYPE ${LIST_OF_TASKS})
       target_include_directories(${EXEC_FUNC} PUBLIC "${CMAKE_BINARY_DIR}/ppc_opencv/install/include/opencv4")
       target_link_directories(${EXEC_FUNC} PUBLIC "${CMAKE_BINARY_DIR}/ppc_opencv/install/lib")
       if(NOT MSVC)
-          target_link_libraries(${EXEC_FUNC} PUBLIC
-                  opencv_core opencv_highgui opencv_imgcodecs opencv_imgproc opencv_videoio)
+          target_link_libraries(${EXEC_FUNC} PUBLIC opencv_core opencv_highgui opencv_imgcodecs opencv_imgproc opencv_videoio)
       endif()
 
       add_dependencies(${EXEC_FUNC} ppc_googletest)