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

if(WIN32)
  set(X264_EXTRA_ARGS --enable-win32thread --cross-prefix=${MINGW_HOST}- --host=${MINGW_HOST})
endif()

if(BLENDER_PLATFORM_ARM)
  set(X264_EXTRA_ARGS ${X264_EXTRA_ARGS} "--disable-asm")
endif()

if((APPLE AND NOT BLENDER_PLATFORM_ARM) OR (UNIX AND NOT APPLE))
  set(X264_CONFIGURE_ENV
    export AS=${LIBDIR}/nasm/bin/nasm
  )
else()
  set(X264_CONFIGURE_ENV echo .)
endif()

ExternalProject_Add(external_x264
  URL file://${PACKAGE_DIR}/${X264_FILE}
  DOWNLOAD_DIR ${DOWNLOAD_DIR}
  URL_HASH ${X264_HASH_TYPE}=${X264_HASH}
  PREFIX ${BUILD_DIR}/x264
  CONFIGURE_COMMAND ${CONFIGURE_ENV} && ${X264_CONFIGURE_ENV} && cd ${BUILD_DIR}/x264/src/external_x264/ &&
    ${CONFIGURE_COMMAND} --prefix=${LIBDIR}/x264
    --enable-static
    --enable-pic
    --disable-lavf
    ${X264_EXTRA_ARGS}
  BUILD_COMMAND ${CONFIGURE_ENV} && cd ${BUILD_DIR}/x264/src/external_x264/ && make -j${MAKE_THREADS}
  INSTALL_COMMAND ${CONFIGURE_ENV} && cd ${BUILD_DIR}/x264/src/external_x264/ && make install
  INSTALL_DIR ${LIBDIR}/x264
)

if(MSVC)
  set_target_properties(external_x264 PROPERTIES FOLDER Mingw)
endif()

if(UNIX)
  add_dependencies(
    external_x264
    external_nasm
  )
endif()