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_LINUX)
    message(WARNING
[[openssl currently requires the following library from the system package manager:
    linux-headers
It can be installed on alpine systems via apk add linux-headers.]]
    )
endif()

set(OPENSSL_VERSION 3.0.4)

if (VCPKG_TARGET_IS_WINDOWS AND NOT VCPKG_TARGET_IS_UWP)
    set(OPENSSL_PATCHES "${CMAKE_CURRENT_LIST_DIR}/windows/flags.patch")
endif()

vcpkg_from_github(
    OUT_SOURCE_PATH SOURCE_PATH
    REPO openssl/openssl
    REF openssl-${OPENSSL_VERSION}
    SHA512 c58b439addbfc0901cb8d99036494bac60d24a4311815b9b7a559f5daaa027d4b83e49e2eb526f0552ec53f09be89081a08c20b8b6f20a2463081cdb071d6faf
    PATCHES ${OPENSSL_PATCHES}
)

vcpkg_find_acquire_program(PERL)
get_filename_component(PERL_EXE_PATH ${PERL} DIRECTORY)
vcpkg_add_to_path("${PERL_EXE_PATH}")

if(VCPKG_TARGET_IS_UWP)
    include("${CMAKE_CURRENT_LIST_DIR}/uwp/portfile.cmake")
    include("${CMAKE_CURRENT_LIST_DIR}/install-pc-files.cmake")
elseif(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()

configure_file("${CMAKE_CURRENT_LIST_DIR}/vcpkg-cmake-wrapper.cmake.in" "${CURRENT_PACKAGES_DIR}/share/${PORT}/vcpkg-cmake-wrapper.cmake" @ONLY)
file(INSTALL "${CMAKE_CURRENT_LIST_DIR}/usage" DESTINATION "${CURRENT_PACKAGES_DIR}/share/${PORT}")