function _unsafe_patch(package)
    if package:is_plat("macosx") then
        io.replace("CMakeLists.txt", [[set(CMAKE_OSX_ARCHITECTURES "x86_64;arm64")]], "", {plain = true})
        io.replace("CMakeLists.txt", [[set(CMAKE_OSX_DEPLOYMENT_TARGET "10.13")]], "", {plain = true})
    end

    -- clang unsupported this flag https://github.com/llvm/llvm-project/issues/25059
    -- and build failed on ubuntu with libstdc++-13
    io.replace("CMakeLists.txt", "add_compile_options(-fabi-version=6)", "", {plain = true})
end

function main(package)
    if package:config("abi") then
        _unsafe_patch(package)
    end

    if package:is_plat("windows") and package:is_arch("arm64") then
        -- https://github.com/microsoft/vcpkg/blob/218f0d9ad10eb7b56624d3a6de5ad7a44bdf2927/ports/steam-audio/fix-arm64-windows.patch
        io.replace("CMakeLists.txt", "set(IPL_CPU_X64 TRUE)", "set(IPL_CPU_ARMV8 TRUE)", {plain = true})
    end

    if package:is_cross() then
        io.replace("CMakeLists.txt", "add_compile_options(-m32 -mfpmath=sse -march=native)", "", {plain = true})
    end

    if package:is_plat("mingw", "msys") then
        io.replace("CMakeLists.txt", "# Windows flags\nif (IPL_OS_WINDOWS)", "if(0)", {plain = true})
    else
        -- remove ucrt hardcode
        io.replace("CMakeLists.txt", "$<$<AND:$<CONFIG:Debug>,$<BOOL:${STEAMAUDIO_STATIC_RUNTIME}>>:/MTd>", "", {plain = true})
        io.replace("CMakeLists.txt", "$<$<AND:$<CONFIG:Debug>,$<NOT:$<BOOL:${STEAMAUDIO_STATIC_RUNTIME}>>>:/MDd>", "", {plain = true})
        io.replace("CMakeLists.txt", "$<$<AND:$<NOT:$<CONFIG:Debug>>,$<BOOL:${STEAMAUDIO_STATIC_RUNTIME}>>:/MT>", "", {plain = true})
        io.replace("CMakeLists.txt", "$<$<AND:$<NOT:$<CONFIG:Debug>>,$<NOT:$<BOOL:${STEAMAUDIO_STATIC_RUNTIME}>>>:/MD>", "", {plain = true})
        io.replace("CMakeLists.txt", "$<IF:$<CONFIG:Debug>,_DEBUG,NDEBUG>", "", {plain = true})
    
        -- remove lto hardcode
        io.replace("CMakeLists.txt", "$<$<CONFIG:Release>:/GL>", "", {plain = true})
    end

    -- remove zlib hardcode
    io.replace("build/FindMySOFA.cmake", "set(ZLIB_ROOT ${CMAKE_HOME_DIRECTORY}/deps/zlib/lib/${IPL_BIN_SUBDIR}/release)", "", {plain = true})
    io.replace("build/FindMySOFA.cmake", "set(ZLIB_INCLUDE_DIR ${CMAKE_HOME_DIRECTORY}/deps/zlib/include)", "", {plain = true})

    -- https://github.com/ValveSoftware/steam-audio/pull/399
    io.replace("src/core/profiler.h", [[#include "memory_allocator.h"]], [[
        #include "memory_allocator.h"
        #include <chrono>
    ]], {plain = true})

    io.replace("src/core/CMakeLists.txt", "get_bin_subdir(IPL_BIN_SUBDIR)", "set(IPL_BIN_SUBDIR )", {plain = true})
    -- remove symbol install command
    io.replace("src/core/CMakeLists.txt", 
[[    install(
        FILES       ${CMAKE_CURRENT_BINARY_DIR}/$<CONFIG>/phonon.pdb
        DESTINATION symbols/${IPL_BIN_SUBDIR}
    )]], "", {plain = true})
    io.replace("src/core/CMakeLists.txt", 
[[    install(
        FILES       ${CMAKE_CURRENT_BINARY_DIR}/libphonon.so.dbg
        DESTINATION symbols/${IPL_BIN_SUBDIR}
    )]], "", {plain = true})

    -- remove deps dll install command
    io.replace("src/core/CMakeLists.txt", 
[[    install(
        FILES       ${CMAKE_HOME_DIRECTORY}/deps/trueaudionext/bin/windows-x64/$<LOWER_CASE:$<CONFIG>>/TrueAudioNext.dll
                    ${CMAKE_HOME_DIRECTORY}/deps/trueaudionext/bin/windows-x64/$<LOWER_CASE:$<CONFIG>>/GPUUtilities.dll
        DESTINATION lib/${IPL_BIN_SUBDIR}
    )]], "", {plain = true})
end