vcpkg_fail_port_install(ON_ARCH "x86" ON_TARGET "uwp" "osx")

vcpkg_from_github(
    OUT_SOURCE_PATH SOURCE_PATH
    REPO facebookresearch/faiss
    REF cff072b78ef019998990c6ba02df83dd7d3c8d38 # v1.7.1
    SHA512 08d4acf30b6a2a0f326cb71035b58e65f05e70817edbf9dda7d5f8b53d4fb722909c2412d42dca4d88d0576a3da528c2db869fb4fd6fb2343b7acad80066051d 
    HEAD_REF master
    PATCHES
        fix-dependencies.patch
)

vcpkg_check_features(OUT_FEATURE_OPTIONS FEATURE_OPTIONS
    FEATURES
        gpu FAISS_ENABLE_GPU
)

if ("${FAISS_ENABLE_GPU}")
    if (NOT VCPKG_CMAKE_SYSTEM_NAME AND NOT ENV{CUDACXX})
        set(ENV{CUDACXX} "$ENV{CUDA_PATH}/bin/nvcc.exe")
    endif()
endif()

vcpkg_cmake_configure(
    SOURCE_PATH "${SOURCE_PATH}"
    OPTIONS
        ${FEATURE_OPTIONS}
        -DFAISS_ENABLE_PYTHON=OFF  # Requires SWIG
        -DBUILD_TESTING=OFF
)

vcpkg_cmake_install()

vcpkg_cmake_config_fixup()

vcpkg_copy_pdbs()

file(INSTALL "${SOURCE_PATH}/LICENSE" DESTINATION "${CURRENT_PACKAGES_DIR}/share/${PORT}" RENAME copyright)

file(REMOVE_RECURSE "${CURRENT_PACKAGES_DIR}/debug/include")