#-------------------------------------------------------------------------------
# Plugins must be built SHARED
#-------------------------------------------------------------------------------
macro (EXTERNAL_PLUGIN_LIBRARY compress_type)
  if (${compress_type} MATCHES "GIT")
    EXTERNALPROJECT_ADD (PLUGIN
        GIT_REPOSITORY ${PLUGIN_URL}
        GIT_TAG ${PLUGIN_BRANCH}
        LIST_SEPARATOR |
        INSTALL_COMMAND ""
        CMAKE_ARGS
            -DUSE_SHARED_LIBS:BOOL=ON
            -DBUILD_SHARED_LIBS:BOOL=ON
            -DH5PL_ALLOW_EXTERNAL_SUPPORT:STRING=${HDF5_ALLOW_EXTERNAL_SUPPORT}
            -DBUILD_TESTING:STRING=OFF
            -DBUILD_EXAMPLES:STRING=OFF
            -DCMAKE_BUILD_TYPE:STRING=${CMAKE_BUILD_TYPE}
            -DCMAKE_INSTALL_PREFIX:PATH=${CMAKE_INSTALL_PREFIX}
            -DCMAKE_RUNTIME_OUTPUT_DIRECTORY:PATH=${CMAKE_RUNTIME_OUTPUT_DIRECTORY}
            -DCMAKE_LIBRARY_OUTPUT_DIRECTORY:PATH=${CMAKE_LIBRARY_OUTPUT_DIRECTORY}
            -DCMAKE_ARCHIVE_OUTPUT_DIRECTORY:PATH=${CMAKE_ARCHIVE_OUTPUT_DIRECTORY}
            -DCMAKE_PDB_OUTPUT_DIRECTORY:PATH=${CMAKE_PDB_OUTPUT_DIRECTORY}
            -DDISABLE_PLUGIN_ENCODER:BOOL=OFF
            -DCMAKE_POSITION_INDEPENDENT_CODE:BOOL=ON
            -DCMAKE_TOOLCHAIN_FILE:STRING=${CMAKE_TOOLCHAIN_FILE}
            # the hdf5 settings
            -DHDF5_PACKAGE_NAME:STRING=hdf5
            -DHDF5_HDF5_HEADER:STRING=h5pubconf.h
            -DHDF5_LINK_LIBS:STRING=$<TARGET_LINKER_FILE:${HDF5_LIBSH_TARGET}>
            -DHDF5_INCLUDE_DIR:PATH=${HDF5_SRC_DIR}|${HDF5_SRC_BINARY_DIR}
            -DPL_PACKAGE_NAME:STRING=${PLUGIN_PACKAGE_NAME}
            -DH5PL_CPACK_ENABLE:BOOL=ON
            -DHDF5_DIR:STRING=${CMAKE_CURRENT_BINARY_DIR}
            -DTGZPATH:PATH=${TGZPATH}
            # the filters
            -DBSHUF_TGZ_NAME:STRING=${BSHUF_TGZ_NAME}
            -DBSHUF_PACKAGE_NAME:STRING=${BSHUF_PACKAGE_NAME}
            -DBLOSC_TGZ_NAME:STRING=${BLOSC_TGZ_NAME}
            -DBLOSC_PACKAGE_NAME:STRING=${BLOSC_PACKAGE_NAME}
            -DZLIB_TGZ_NAME:STRING=${ZLIB_TGZ_NAME}
            -DZLIB_PACKAGE_NAME:STRING=${ZLIB_PACKAGE_NAME}
            -DBZ2_TGZ_NAME:STRING=${BZ2_TGZ_NAME}
            -DBZ2_PACKAGE_NAME:STRING=${BZ2_PACKAGE_NAME}
            #-DFPZIP_TGZ_NAME:STRING=${FPZIP_TGZ_NAME}
            #-DFPZIP_PACKAGE_NAME:STRING=${FPZIP_PACKAGE_NAME}
            -DJPEG_TGZ_NAME:STRING=${JPEG_TGZ_NAME}
            -DJPEG_PACKAGE_NAME:STRING=${JPEG_PACKAGE_NAME}
            -DLZ4_TGZ_NAME:STRING=${LZ4_TGZ_NAME}
            -DLZ4_PACKAGE_NAME:STRING=${LZ4_PACKAGE_NAME}
            -DLZF_TGZ_NAME:STRING=${LZF_TGZ_NAME}
            -DLZF_PACKAGE_NAME:STRING=${LZF_PACKAGE_NAME}
            -DSZF_TGZ_NAME:STRING=${SZF_TGZ_NAME}
            -DSZF_PACKAGE_NAME:STRING=${SZF_PACKAGE_NAME}
            -DZFP_TGZ_NAME:STRING=${ZFP_TGZ_NAME}
            -DZFP_PACKAGE_NAME:STRING=${ZFP_PACKAGE_NAME}
    )
  elseif (${compress_type} MATCHES "TGZ")
    EXTERNALPROJECT_ADD (PLUGIN
        URL ${PLUGIN_URL}
        URL_MD5 ""
        LIST_SEPARATOR |
        INSTALL_COMMAND ""
        CMAKE_ARGS
            -DUSE_SHARED_LIBS:BOOL=ON
            -DBUILD_SHARED_LIBS:BOOL=ON
            -DH5PL_ALLOW_EXTERNAL_SUPPORT:STRING=${HDF5_ALLOW_EXTERNAL_SUPPORT}
            -DBUILD_TESTING:STRING=OFF
            -DBUILD_EXAMPLES:STRING=OFF
            -DCMAKE_BUILD_TYPE:STRING=${CMAKE_BUILD_TYPE}
            -DCMAKE_INSTALL_PREFIX:PATH=${CMAKE_INSTALL_PREFIX}
            -DCMAKE_RUNTIME_OUTPUT_DIRECTORY:PATH=${CMAKE_RUNTIME_OUTPUT_DIRECTORY}
            -DCMAKE_LIBRARY_OUTPUT_DIRECTORY:PATH=${CMAKE_LIBRARY_OUTPUT_DIRECTORY}
            -DCMAKE_ARCHIVE_OUTPUT_DIRECTORY:PATH=${CMAKE_ARCHIVE_OUTPUT_DIRECTORY}
            -DCMAKE_PDB_OUTPUT_DIRECTORY:PATH=${CMAKE_PDB_OUTPUT_DIRECTORY}
            -DDISABLE_PLUGIN_ENCODER:BOOL=OFF
            -DCMAKE_POSITION_INDEPENDENT_CODE:BOOL=ON
            -DCMAKE_TOOLCHAIN_FILE:STRING=${CMAKE_TOOLCHAIN_FILE}
            # the hdf5 settings
            -DHDF5_PACKAGE_NAME:STRING=hdf5
            -DHDF5_HDF5_HEADER:STRING=h5pubconf.h
            -DHDF5_LINK_LIBS:STRING=$<TARGET_LINKER_FILE:${HDF5_LIBSH_TARGET}>
            -DHDF5_INCLUDE_DIR:PATH=${HDF5_SRC_DIR}|${HDF5_SRC_BINARY_DIR}
            -DPL_PACKAGE_NAME:STRING=${PLUGIN_PACKAGE_NAME}
            -DH5PL_CPACK_ENABLE:BOOL=ON
            -DHDF5_DIR:STRING=${CMAKE_CURRENT_BINARY_DIR}
            -DTGZPATH:PATH=${TGZPATH}
            # the filters
            -DBSHUF_TGZ_NAME:STRING=${BSHUF_TGZ_NAME}
            -DBSHUF_PACKAGE_NAME:STRING=${BSHUF_PACKAGE_NAME}
            -DBLOSC_TGZ_NAME:STRING=${BLOSC_TGZ_NAME}
            -DBLOSC_PACKAGE_NAME:STRING=${BLOSC_PACKAGE_NAME}
            -DZLIB_TGZ_NAME:STRING=${ZLIB_TGZ_NAME}
            -DZLIB_PACKAGE_NAME:STRING=${ZLIB_PACKAGE_NAME}
            -DBZ2_TGZ_NAME:STRING=${BZ2_TGZ_NAME}
            -DBZ2_PACKAGE_NAME:STRING=${BZ2_PACKAGE_NAME}
            #-DFPZIP_TGZ_NAME:STRING=${FPZIP_TGZ_NAME}
            #-DFPZIP_PACKAGE_NAME:STRING=${FPZIP_PACKAGE_NAME}
            -DJPEG_TGZ_NAME:STRING=${JPEG_TGZ_NAME}
            -DJPEG_PACKAGE_NAME:STRING=${JPEG_PACKAGE_NAME}
            -DLZ4_TGZ_NAME:STRING=${LZ4_TGZ_NAME}
            -DLZ4_PACKAGE_NAME:STRING=${LZ4_PACKAGE_NAME}
            -DLZF_TGZ_NAME:STRING=${LZF_TGZ_NAME}
            -DLZF_PACKAGE_NAME:STRING=${LZF_PACKAGE_NAME}
            -DSZF_TGZ_NAME:STRING=${SZF_TGZ_NAME}
            -DSZF_PACKAGE_NAME:STRING=${SZF_PACKAGE_NAME}
            -DZFP_TGZ_NAME:STRING=${ZFP_TGZ_NAME}
            -DZFP_PACKAGE_NAME:STRING=${ZFP_PACKAGE_NAME}
    )
  endif ()
  externalproject_get_property (PLUGIN BINARY_DIR SOURCE_DIR)
  set (PLUGIN_BINARY_DIR "${BINARY_DIR}")

#  include (${BINARY_DIR}/PLUGIN-targets.cmake)
  set (PLUGIN_LIBRARY "PLUGIN")
  set (PLUGIN_FOUND 1)
endmacro ()

#-------------------------------------------------------------------------------
macro (FILTER_OPTION plname)
  string(TOLOWER ${plname} PLUGIN_NAME)
  option (ENABLE_${plname} "Enable Library Building for ${plname} plugin" ON)
  if (ENABLE_${plname})
    option (HDF_${plname}_USE_EXTERNAL "Use External Library Building for ${PLUGIN_NAME} plugin" 0)
    if (HDF5_ALLOW_EXTERNAL_SUPPORT MATCHES "GIT" OR HDF5_ALLOW_EXTERNAL_SUPPORT MATCHES "TGZ")
      set (HDF_${plname}_USE_EXTERNAL 1 CACHE BOOL "Use External Library Building for ${PLUGIN_NAME} plugin" FORCE)
      if (HDF5_ALLOW_EXTERNAL_SUPPORT MATCHES "GIT")
        set (HDF_${plname}_URL ${HDF_${plname}_GIT_URL})
        set (HDF_${plname}_BRANCH ${HDF_${plname}_GIT_BRANCH})
      elseif (HDF5_ALLOW_EXTERNAL_SUPPORT MATCHES "TGZ")
        if (NOT TGZPATH)
          set (TGZPATH ${H5PL_SOURCE_DIR})
       endif ()
        set (HDF_${plname}_URL ${TGZPATH}/${HDF_${plname}_TGZ_NAME})
      endif ()
    endif ()
    add_subdirectory (${plname})
    set_global_variable (H5PL_LIBRARIES_TO_EXPORT "${H5PL_LIBRARIES_TO_EXPORT};${H5${plname}_LIBRARIES_TO_EXPORT}")
  endif ()
endmacro ()

#-------------------------------------------------------------------------------
macro (PACKAGE_PLUGIN_LIBRARY compress_type)
  if (${compress_type} MATCHES "GIT" OR ${compress_type} MATCHES "TGZ")
    message (STATUS "Filter PLUGIN is to be packaged")
  endif ()
endmacro ()