# SPDX-License-Identifier: GPL-2.0-or-later

if(WIN32)

    if(MSVC14) # vs2015 has timespec
      set(PTHREAD_CPPFLAGS "/I. /DHAVE_CONFIG_H /D_TIMESPEC_DEFINED ")
    else() # everything before doesn't
      set(PTHREAD_CPPFLAGS "/I. /DHAVE_CONFIG_H ")
    endif()

    set(PTHREADS_BUILD cd ${BUILD_DIR}/pthreads/src/external_pthreads/ && cd && nmake VC-static /e CPPFLAGS=${PTHREAD_CPPFLAGS})

    ExternalProject_Add(external_pthreads
      URL file://${PACKAGE_DIR}/${PTHREADS_FILE}
      DOWNLOAD_DIR ${DOWNLOAD_DIR}
      URL_HASH ${PTHREADS_HASH_TYPE}=${PTHREADS_HASH}
      PREFIX ${BUILD_DIR}/pthreads
      CONFIGURE_COMMAND echo .
      PATCH_COMMAND COMMAND ${PATCH_CMD} -p 1 -d ${BUILD_DIR}/pthreads/src/external_pthreads < ${PATCH_DIR}/pthreads.diff
      BUILD_COMMAND ${PTHREADS_BUILD}
      INSTALL_COMMAND COMMAND
        ${CMAKE_COMMAND} -E copy ${BUILD_DIR}/pthreads/src/external_pthreads/libpthreadVC3${LIBEXT} ${LIBDIR}/pthreads/lib/pthreadVC3${LIBEXT} &&
        ${CMAKE_COMMAND} -E copy ${BUILD_DIR}/pthreads/src/external_pthreads/pthread.h ${LIBDIR}/pthreads/inc/pthread.h &&
        ${CMAKE_COMMAND} -E copy ${BUILD_DIR}/pthreads/src/external_pthreads/sched.h ${LIBDIR}/pthreads/inc/sched.h &&
        ${CMAKE_COMMAND} -E copy ${BUILD_DIR}/pthreads/src/external_pthreads/semaphore.h ${LIBDIR}/pthreads/inc/semaphore.h &&
        ${CMAKE_COMMAND} -E copy ${BUILD_DIR}/pthreads/src/external_pthreads/_ptw32.h ${LIBDIR}/pthreads/inc/_ptw32.h
      INSTALL_DIR ${LIBDIR}/pthreads
    )

    if(BUILD_MODE STREQUAL Release)
      ExternalProject_Add_Step(external_pthreads after_install
        COMMAND ${CMAKE_COMMAND} -E copy_directory ${LIBDIR}/pthreads/inc/ ${HARVEST_TARGET}/pthreads/include/
        COMMAND ${CMAKE_COMMAND} -E copy_directory ${LIBDIR}/pthreads/lib/ ${HARVEST_TARGET}/pthreads/lib
        DEPENDEES install
      )
    endif()

endif()
