if(EXISTS "${CURRENT_INSTALLED_DIR}/share/libressl/copyright"
    OR EXISTS "${CURRENT_INSTALLED_DIR}/share/boringssl/copyright")
    message(FATAL_ERROR "Can't build openssl if libressl/boringssl is installed. Please remove libressl/boringssl, and try install openssl again if you need it.")
endif()

if(VCPKG_TARGET_IS_EMSCRIPTEN)
    vcpkg_check_linkage(ONLY_STATIC_LIBRARY)
endif()

if (NOT "${VERSION}" MATCHES [[^([0-9]+)\.([0-9]+)\.([0-9]+)$]])
    message(FATAL_ERROR "Version regex did not match.")
endif()
set(OPENSSL_VERSION_MAJOR "${CMAKE_MATCH_1}")
set(OPENSSL_VERSION_MINOR "${CMAKE_MATCH_2}")
set(OPENSSL_VERSION_FIX "${CMAKE_MATCH_3}")
configure_file("${CMAKE_CURRENT_LIST_DIR}/vcpkg-cmake-wrapper.cmake.in" "${CURRENT_PACKAGES_DIR}/share/${PORT}/vcpkg-cmake-wrapper.cmake" @ONLY)

vcpkg_from_github(
    OUT_SOURCE_PATH SOURCE_PATH
    REPO openssl/openssl
    REF "openssl-${VERSION}"
    SHA512 5a821aaaaa89027ce08a347e5fc216757c2971e29f7d24792609378c54f657839b3775bf639e7330b28b4f96ef0d32869f0a96afcb25c8a2e1c2fe51a6eb4aa3
    PATCHES
        disable-install-docs.patch
        script-prefix.patch
        windows/install-layout.patch
        windows/install-pdbs.patch
        windows/umul128-arm64.patch # Fixed upstream in https://github.com/openssl/openssl/pull/20244, but not released as of 3.0.8
        unix/move-openssldir.patch
        unix/no-empty-dirs.patch
        unix/no-static-libs-for-shared.patch
)

vcpkg_list(SET CONFIGURE_OPTIONS
    enable-static-engine
    enable-capieng
    no-ssl3
    no-weak-ssl-ciphers
    no-tests
)

if(VCPKG_LIBRARY_LINKAGE STREQUAL "dynamic")
    vcpkg_list(APPEND CONFIGURE_OPTIONS shared)
else()
    vcpkg_list(APPEND CONFIGURE_OPTIONS no-shared no-module)
endif()

if(DEFINED OPENSSL_USE_NOPINSHARED)
    vcpkg_list(APPEND CONFIGURE_OPTIONS no-pinshared)
endif()

if(OPENSSL_NO_AUTOLOAD_CONFIG)
    vcpkg_list(APPEND CONFIGURE_OPTIONS no-autoload-config)
endif()

if(VCPKG_TARGET_IS_WINDOWS AND NOT VCPKG_TARGET_IS_MINGW)
    include("${CMAKE_CURRENT_LIST_DIR}/windows/portfile.cmake")
    include("${CMAKE_CURRENT_LIST_DIR}/install-pc-files.cmake")
else()
    include("${CMAKE_CURRENT_LIST_DIR}/unix/portfile.cmake")
endif()

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