set(wolfssl_SOURCE_DIR "${CMAKE_SOURCE_DIR}/external/wolfssl")
set(wolfssl_BUILD_DIR "${CMAKE_BINARY_DIR}/wolfssl-build")
file(COPY "${wolfssl_SOURCE_DIR}/" DESTINATION ${wolfssl_BUILD_DIR} PATTERN "*")

if(NOT MSVC)
  ### Build Wolfssl ###
  ExternalProject_Add(wolfssl-project
  	SOURCE_DIR ${wolfssl_SOURCE_DIR}
  	INSTALL_DIR "${CMAKE_INSTALL_PREFIX}"
        BINARY_DIR "${CMAKE_BINARY_DIR}/wolfssl-build"
  	UPDATE_COMMAND ""
  	PREFIX ${CMAKE_INSTALL_PREFIX}
        CONFIGURE_COMMAND ${wolfssl_BUILD_DIR}/autogen.sh
                COMMAND ${wolfssl_BUILD_DIR}/configure --prefix=<INSTALL_DIR>
  		--enable-debug
  		--enable-static=yes
  		--enable-shared=yes
  		--enable-oldtls=no
  		--enable-keygen
  		--enable-certgen
  		--enable-testcert
                # --enable-opensslextra
  	BUILD_COMMAND make
  	INSTALL_COMMAND make install
  	EXCLUDE_FROM_ALL true)
  ExternalProject_Get_Property(wolfssl-project INSTALL_DIR)
  set(wolfssl_INCLUDE_DIR ${INSTALL_DIR}/include)
  FILE(MAKE_DIRECTORY ${INSTALL_DIR}/include)
  set(wolfssl_static_LIBRARY ${CMAKE_STATIC_LIBRARY_PREFIX}wolfssl${CMAKE_STATIC_LIBRARY_SUFFIX})
  set(wolfssl_shared_LIBRARY ${CMAKE_SHARED_LIBRARY_PREFIX}wolfssl${CMAKE_SHARED_LIBRARY_SUFFIX})
  set(wolfssl_static_LIBRARY ${INSTALL_DIR}/lib/${wolfssl_static_LIBRARY})
  set(wolfssl_shared_LIBRARY ${INSTALL_DIR}/lib/${wolfssl_shared_LIBRARY})
else()
  # WolfSSL not supported on Windows - we only use wolfssl as part of the test suite that only runs on linux.

  # message(STATUS "Building wolfssl-fips.sln")
  # include_external_msproject(wolfssl-project ${wolfssl_SOURCE_DIR}/IDE/WIN10/wolfssl-fips.vcxproj)
  # set(wolfssl_INCLUDE_DIR ${INSTALL_DIR}/include)
  # FILE(MAKE_DIRECTORY ${INSTALL_DIR}/include)
  # set(wolfssl_static_LIBRARY ${CMAKE_STATIC_LIBRARY_PREFIX}wolfssl${CMAKE_STATIC_LIBRARY_SUFFIX})
  # set(wolfssl_static_LIBRARY ${CMAKE_STATIC_LIBRARY_PREFIX}wolfssl${CMAKE_STATIC_LIBRARY_SUFFIX})
  # set(wolfssl_shared_LIBRARY ${CMAKE_SHARED_LIBRARY_PREFIX}wolfssl${CMAKE_SHARED_LIBRARY_SUFFIX})
  # set(wolfssl_static_LIBRARY ${INSTALL_DIR}/lib/${wolfssl_static_LIBRARY})
  # set(wolfssl_shared_LIBRARY ${INSTALL_DIR}/lib/${wolfssl_shared_LIBRARY})
endif()

# wolfssl-static
add_library(wolfssl-static STATIC IMPORTED)
add_dependencies(wolfssl-static wolfssl-project)
set_property(TARGET wolfssl-static PROPERTY IMPORTED_LOCATION ${wolfssl_static_LIBRARY})
set_property(TARGET wolfssl-static PROPERTY INTERFACE_INCLUDE_DIRECTORIES ${wolfssl_INCLUDE_DIR})

# alias for linq-common
add_library(wolfssl STATIC IMPORTED)
add_dependencies(wolfssl wolfssl-project)
set_property(TARGET wolfssl PROPERTY IMPORTED_LOCATION ${wolfssl_static_LIBRARY})
set_property(TARGET wolfssl PROPERTY INTERFACE_INCLUDE_DIRECTORIES ${wolfssl_INCLUDE_DIR})

# wolfssl-shared
add_library(wolfssl-shared STATIC IMPORTED)
add_dependencies(wolfssl-shared wolfssl-project)
set_property(TARGET wolfssl-shared PROPERTY IMPORTED_LOCATION ${wolfssl_shared_LIBRARY})
set_property(TARGET wolfssl-shared PROPERTY INTERFACE_INCLUDE_DIRECTORIES ${wolfssl_INCLUDE_DIR})