@@ -191,7 +191,9 @@
      export CXX="g++${_gcc_env_suffix}"
      cd "${srcdir}/build/tests"
      ./test_sunshine --gtest_color=yes --gtest_output=xml:test_results.xml
      # Do not silently upload misleading coverage if the gcov runtime cannot
      # write profile data, such as when its version differs from the compiler.
      GCOV_EXIT_AT_ERROR=1 ./test_sunshine --gtest_color=yes --gtest_output=xml:test_results.xml
      # Generate coverage report
      # Run gcovr from the build directory (where all .gcda/.gcno files are)

@@ -34,41 +34,22 @@
    set(CMAKE_C_FLAGS "-fprofile-arcs -ftest-coverage -ggdb -O0")
endif()
# Find the correct libgcov library path matching the gcc compiler version
# This ensures the test executable links against the same libgcov version used during compilation
# Link the libgcov that belongs to the selected compiler. Asking GCC directly
# avoids selecting another installed GCC version through platform-specific
# library directory names (for example, the GCC required by CUDA on Arch Linux).
if(UNIX AND NOT APPLE AND CMAKE_C_COMPILER_ID STREQUAL "GNU")
if(UNIX AND NOT APPLE)
    # Get the gcc compiler version
    execute_process(
        COMMAND ${CMAKE_C_COMPILER} -print-file-name=libgcov.a
        COMMAND ${CMAKE_C_COMPILER} -dumpversion
        OUTPUT_VARIABLE GCC_VERSION
        OUTPUT_VARIABLE LIBGCOV_LIBRARY
        OUTPUT_STRIP_TRAILING_WHITESPACE
        RESULT_VARIABLE LIBGCOV_RESULT
    )
    # Extract major version
    if(LIBGCOV_RESULT EQUAL 0 AND EXISTS "${LIBGCOV_LIBRARY}")
        message(STATUS "Found libgcov: ${LIBGCOV_LIBRARY}")
        set(GCOV_LINK_LIBRARY "${LIBGCOV_LIBRARY}")
    string(REGEX MATCH "^[0-9]+" GCC_MAJOR_VERSION "${GCC_VERSION}")
    # Search for the gcc library directory matching this version
    file(GLOB GCC_LIB_DIRS "/usr/lib/gcc/*/*${GCC_MAJOR_VERSION}.*")
    if(GCC_LIB_DIRS)
        list(GET GCC_LIB_DIRS 0 GCC_LIB_DIR)
        message(STATUS "Found GCC library directory: ${GCC_LIB_DIR}")
        # Look for libgcov.a in the gcc library directory
        find_library(LIBGCOV_LIBRARY
            NAMES gcov
            PATHS ${GCC_LIB_DIR}
            NO_DEFAULT_PATH
        )
        if(LIBGCOV_LIBRARY)
            message(STATUS "Found libgcov: ${LIBGCOV_LIBRARY}")
            # Store this to link against later
            set(GCOV_LINK_LIBRARY ${LIBGCOV_LIBRARY})
        else()
            message(WARNING "Could not find libgcov in ${GCC_LIB_DIR}")
        endif()
    else()
        message(WARNING "Could not find libgcov for ${CMAKE_C_COMPILER}")
        message(WARNING "Could not find GCC library directory for version ${GCC_VERSION}")
        unset(GCOV_LINK_LIBRARY)
    endif()
endif()