project(Qt)

include(ExternalProject)

set (QT_BUILD_PREFIX ${CMAKE_CURRENT_BINARY_DIR}/build CACHE STRING "Specify alternative 'clone' directory to build Qt Framework dependencies. Default: CMAKE_CURRENT_BINARY_DIR/build")
set (QT_INSTALL_PREFIX ${CMAKE_CURRENT_BINARY_DIR}/install CACHE STRING "Install path for Qt Framework. Default: CMAKE_CURRENT_BINARY_DIR/install")

if (MSVC)
  if (${CMAKE_SIZEOF_VOID_P} EQUAL 8)

    if (NOT CMAKE_VS_PLATFORM_NAME)
      set (CMAKE_VS_PLATFORM_NAME x64)
    endif()

    ExternalProject_Add(Qt-openssl-src
      PREFIX            ${QT_BUILD_PREFIX}
      GIT_REPOSITORY    https://github.com/bear101/openssl
      GIT_TAG           OpenSSL_1_1_1m
      GIT_SHALLOW       TRUE
      UPDATE_COMMAND    ""
      CONFIGURE_COMMAND perl <SOURCE_DIR>\\Configure no-shared no-asm --prefix=<INSTALL_DIR> --openssldir=<INSTALL_DIR>\\ssl VC-WIN64A
      BUILD_COMMAND     set CL=/MP
      COMMAND           nmake
      INSTALL_DIR       ${QT_INSTALL_PREFIX}/openssl
      INSTALL_COMMAND   nmake install
      )
    ExternalProject_Get_Property(Qt-openssl-src INSTALL_DIR)
    set (OPENSSL_DIR ${INSTALL_DIR})
  else()

    if (NOT CMAKE_VS_PLATFORM_NAME)
      set (CMAKE_VS_PLATFORM_NAME win32)
    endif()

    ExternalProject_Add(Qt-openssl-src
      PREFIX            ${QT_BUILD_PREFIX}
      GIT_REPOSITORY    https://github.com/bear101/openssl
      GIT_TAG           OpenSSL_1_1_1m
      GIT_SHALLOW       TRUE
      UPDATE_COMMAND    ""
      CONFIGURE_COMMAND perl <SOURCE_DIR>\\Configure no-shared no-asm --prefix=<INSTALL_DIR> --openssldir=<INSTALL_DIR>\\ssl VC-WIN32
      BUILD_COMMAND     set CL=/MP
      COMMAND           nmake
      INSTALL_DIR       ${QT_INSTALL_PREFIX}/openssl
      INSTALL_COMMAND   nmake install
      )
    ExternalProject_Get_Property(Qt-openssl-src INSTALL_DIR)
    set (OPENSSL_DIR ${INSTALL_DIR})
  endif()

  file(MAKE_DIRECTORY ${OPENSSL_DIR}/include)

  add_library(Qt-openssl-src-crypto STATIC IMPORTED GLOBAL)
  add_dependencies(Qt-openssl-src-crypto Qt-openssl-src)
  target_include_directories (Qt-openssl-src-crypto INTERFACE ${OPENSSL_DIR}/include)
  target_link_libraries(Qt-openssl-src-crypto INTERFACE crypt32.lib)
  set_property(TARGET Qt-openssl-src-crypto PROPERTY IMPORTED_LOCATION ${OPENSSL_DIR}/lib/${CMAKE_VS_PLATFORM_NAME}/lib/libcrypto.lib)

  add_library(Qt-openssl-src-ssl STATIC IMPORTED GLOBAL)
  add_dependencies(Qt-openssl-src-ssl Qt-openssl-src)
  target_include_directories (Qt-openssl-src-ssl INTERFACE ${OPENSSL_DIR}/include)
  target_link_libraries(Qt-openssl-src-ssl INTERFACE crypt32.lib)
  set_property(TARGET Qt-openssl-src-ssl PROPERTY IMPORTED_LOCATION ${OPENSSL_DIR}/lib/${CMAKE_VS_PLATFORM_NAME}/lib/libssl.lib)

  file (TO_NATIVE_PATH ${OPENSSL_DIR} OPENSSL_DIR_NATIVE)
  file (TO_NATIVE_PATH ${QT_INSTALL_PREFIX} QT_INSTALL_PREFIX_NATIVE)

  ExternalProject_Add(Qt-src
    PREFIX            ${QT_BUILD_PREFIX}
    GIT_REPOSITORY    https://github.com/qt/qt5
    GIT_TAG           v5.15.1
    GIT_SUBMODULES    qtbase qttools qtmultimedia qtactiveqt qtspeech
    GIT_SHALLOW       TRUE
    UPDATE_COMMAND    ""
    PATCH_COMMAND     cd qtbase
    COMMAND           git apply ${CMAKE_CURRENT_LIST_DIR}\\qt_v5.15.1_win.patch
    COMMAND           cd ..
    CONFIGURE_COMMAND CALL <SOURCE_DIR>\\configure.bat -opensource -confirm-license -static -nomake examples -openssl-linked -I${OPENSSL_DIR_NATIVE}\\include "OPENSSL_LIBS= -L${OPENSSL_DIR_NATIVE}\\lib -lUser32 -lAdvapi32 -lGdi32 -lCrypt32 -lws2_32 -llibssl -llibcrypto" -prefix ${QT_INSTALL_PREFIX_NATIVE}
    BUILD_COMMAND     set CL=/MP
    COMMAND           CALL nmake
    INSTALL_DIR       ${QT_INSTALL_PREFIX}
    INSTALL_COMMAND   set CL=/MP
    COMMAND           CALL nmake install
    DEPENDS           Qt-openssl-src
    )
  ExternalProject_Get_Property(Qt-src SOURCE_DIR)
  
elseif (${CMAKE_SYSTEM_NAME} MATCHES "Darwin")

  ExternalProject_Add(Qt-src
    PREFIX            ${QT_BUILD_PREFIX}
    GIT_REPOSITORY    https://github.com/qt/qt5
    GIT_TAG           v5.15.0
    GIT_SUBMODULES    qtbase qttools qtmultimedia qtspeech
    GIT_SHALLOW       TRUE
    UPDATE_COMMAND    ""
    CONFIGURE_COMMAND <SOURCE_DIR>/configure --prefix=<INSTALL_DIR> -appstore-compliant -confirm-license -opensource -nomake examples -nomake tests
    BUILD_COMMAND     make -j4
    INSTALL_DIR       ${QT_INSTALL_PREFIX}
    INSTALL_COMMAND   make -j4 install
    )
  ExternalProject_Get_Property(Qt-src SOURCE_DIR)
  
endif()