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#-----------------------------------------------------------------------------
# Options for HDF5 Filters
#-----------------------------------------------------------------------------
MACRO (HDF5_SETUP_FILTERS FILTER)
OPTION (HDF5_USE_FILTER_${FILTER} "Use the ${FILTER} Filter" ON)
IF (HDF5_USE_FILTER_${FILTER})
SET (H5_HAVE_FILTER_${FILTER} 1)
SET (FILTERS "${FILTERS} ${FILTER}")
ENDIF (HDF5_USE_FILTER_${FILTER})
# MESSAGE (STATUS "Filter ${FILTER} is ${HDF5_USE_FILTER_${FILTER}}")
ENDMACRO (HDF5_SETUP_FILTERS)
HDF5_SETUP_FILTERS (SHUFFLE)
HDF5_SETUP_FILTERS (FLETCHER32)
HDF5_SETUP_FILTERS (NBIT)
HDF5_SETUP_FILTERS (SCALEOFFSET)
INCLUDE (ExternalProject)
OPTION (HDF5_ALLOW_EXTERNAL_SUPPORT "Allow External Library Building (NO SVN TGZ)" "NO")
IF (HDF5_ALLOW_EXTERNAL_SUPPORT MATCHES "SVN" OR HDF5_ALLOW_EXTERNAL_SUPPORT MATCHES "TGZ")
OPTION (ZLIB_USE_EXTERNAL "Use External Library Building for ZLIB" 1)
OPTION (SZIP_USE_EXTERNAL "Use External Library Building for SZIP" 1)
IF (HDF5_ALLOW_EXTERNAL_SUPPORT MATCHES "SVN")
SET (ZLIB_URL ${ZLIB_SVN_URL})
SET (SZIP_URL ${SZIP_SVN_URL})
ELSEIF (HDF5_ALLOW_EXTERNAL_SUPPORT MATCHES "TGZ")
IF (NOT TGZ_PATH)
SET (TGZ_PATH ${HDF5_SOURCE_DIR})
ENDIF (NOT TGZ_PATH)
SET (ZLIB_URL ${TGZ_PATH}/${ZLIB_TGZ_NAME})
SET (SZIP_URL ${TGZ_PATH}/${SZIP_TGZ_NAME})
ELSE (HDF5_ALLOW_EXTERNAL_SUPPORT MATCHES "SVN")
SET (ZLIB_USE_EXTERNAL 0)
SET (SZIP_USE_EXTERNAL 0)
ENDIF (HDF5_ALLOW_EXTERNAL_SUPPORT MATCHES "SVN")
ENDIF (HDF5_ALLOW_EXTERNAL_SUPPORT MATCHES "SVN" OR HDF5_ALLOW_EXTERNAL_SUPPORT MATCHES "TGZ")
#-----------------------------------------------------------------------------
# Option for ZLib support
#-----------------------------------------------------------------------------
OPTION (HDF5_ENABLE_Z_LIB_SUPPORT "Enable Zlib Filters" OFF)
IF (HDF5_ENABLE_Z_LIB_SUPPORT)
IF (NOT H5_ZLIB_HEADER)
IF (NOT ZLIB_USE_EXTERNAL)
FIND_PACKAGE (ZLIB NAMES ${ZLIB_PACKAGE_NAME}${HDF_PACKAGE_EXT})
IF (NOT ZLIB_FOUND)
FIND_PACKAGE (ZLIB) # Legacy find
ENDIF (NOT ZLIB_FOUND)
ENDIF (NOT ZLIB_USE_EXTERNAL)
IF (ZLIB_FOUND)
SET (H5_HAVE_FILTER_DEFLATE 1)
SET (H5_HAVE_ZLIB_H 1)
SET (H5_HAVE_LIBZ 1)
SET (H5_ZLIB_HEADER "zlib.h")
SET (ZLIB_INCLUDE_DIR_GEN ${ZLIB_INCLUDE_DIR})
SET (ZLIB_INCLUDE_DIRS ${ZLIB_INCLUDE_DIR})
ELSE (ZLIB_FOUND)
IF (HDF5_ALLOW_EXTERNAL_SUPPORT MATCHES "SVN" OR HDF5_ALLOW_EXTERNAL_SUPPORT MATCHES "TGZ")
EXTERNAL_ZLIB_LIBRARY (${HDF5_ALLOW_EXTERNAL_SUPPORT} ${LIB_TYPE})
SET (H5_HAVE_FILTER_DEFLATE 1)
SET (H5_HAVE_ZLIB_H 1)
SET (H5_HAVE_LIBZ 1)
MESSAGE (STATUS "Filter ZLIB is built")
ELSE (HDF5_ALLOW_EXTERNAL_SUPPORT MATCHES "SVN" OR HDF5_ALLOW_EXTERNAL_SUPPORT MATCHES "TGZ")
MESSAGE (FATAL_ERROR " ZLib is Required for ZLib support in HDF5")
ENDIF (HDF5_ALLOW_EXTERNAL_SUPPORT MATCHES "SVN" OR HDF5_ALLOW_EXTERNAL_SUPPORT MATCHES "TGZ")
ENDIF (ZLIB_FOUND)
ELSE (NOT H5_ZLIB_HEADER)
# This project is being called from within another and ZLib is already configured
SET (H5_HAVE_FILTER_DEFLATE 1)
SET (H5_HAVE_ZLIB_H 1)
SET (H5_HAVE_LIBZ 1)
ENDIF (NOT H5_ZLIB_HEADER)
IF (H5_HAVE_FILTER_DEFLATE)
SET (EXTERNAL_FILTERS "${EXTERNAL_FILTERS} DEFLATE")
ENDIF (H5_HAVE_FILTER_DEFLATE)
SET (LINK_LIBS ${LINK_LIBS} ${ZLIB_LIBRARIES})
INCLUDE_DIRECTORIES (${ZLIB_INCLUDE_DIRS})
MESSAGE (STATUS "Filter ZLIB is ON")
ENDIF (HDF5_ENABLE_Z_LIB_SUPPORT)
#-----------------------------------------------------------------------------
# Option for SzLib support
#-----------------------------------------------------------------------------
OPTION (HDF5_ENABLE_SZIP_SUPPORT "Use SZip Filter" OFF)
IF (HDF5_ENABLE_SZIP_SUPPORT)
OPTION (HDF5_ENABLE_SZIP_ENCODING "Use SZip Encoding" OFF)
IF (NOT SZIP_USE_EXTERNAL)
FIND_PACKAGE (SZIP NAMES ${SZIP_PACKAGE_NAME}${HDF_PACKAGE_EXT})
IF (NOT SZIP_FOUND)
FIND_PACKAGE (SZIP) # Legacy find
ENDIF (NOT SZIP_FOUND)
ENDIF (NOT SZIP_USE_EXTERNAL)
IF (SZIP_FOUND)
SET (H5_HAVE_FILTER_SZIP 1)
SET (H5_HAVE_SZLIB_H 1)
SET (H5_HAVE_LIBSZ 1)
SET (SZIP_INCLUDE_DIR_GEN ${SZIP_INCLUDE_DIR})
SET (SZIP_INCLUDE_DIRS ${SZIP_INCLUDE_DIR})
ELSE (SZIP_FOUND)
IF (HDF5_ALLOW_EXTERNAL_SUPPORT MATCHES "SVN" OR HDF5_ALLOW_EXTERNAL_SUPPORT MATCHES "TGZ")
EXTERNAL_SZIP_LIBRARY (${HDF5_ALLOW_EXTERNAL_SUPPORT} ${LIB_TYPE} ${HDF5_ENABLE_SZIP_ENCODING})
SET (H5_HAVE_FILTER_SZIP 1)
SET (H5_HAVE_SZLIB_H 1)
SET (H5_HAVE_LIBSZ 1)
MESSAGE (STATUS "Filter SZIP is built")
ELSE (HDF5_ALLOW_EXTERNAL_SUPPORT MATCHES "SVN" OR HDF5_ALLOW_EXTERNAL_SUPPORT MATCHES "TGZ")
MESSAGE (FATAL_ERROR "SZIP is Required for SZIP support in HDF5")
ENDIF (HDF5_ALLOW_EXTERNAL_SUPPORT MATCHES "SVN" OR HDF5_ALLOW_EXTERNAL_SUPPORT MATCHES "TGZ")
ENDIF (SZIP_FOUND)
SET (LINK_LIBS ${LINK_LIBS} ${SZIP_LIBRARIES})
INCLUDE_DIRECTORIES (${SZIP_INCLUDE_DIR})
MESSAGE (STATUS "Filter SZIP is ON")
IF (H5_HAVE_FILTER_SZIP)
SET (EXTERNAL_FILTERS "${EXTERNAL_FILTERS} DECODE")
ENDIF (H5_HAVE_FILTER_SZIP)
IF (HDF5_ENABLE_SZIP_ENCODING)
SET (H5_HAVE_SZIP_ENCODER 1)
SET (EXTERNAL_FILTERS "${EXTERNAL_FILTERS} ENCODE")
ENDIF (HDF5_ENABLE_SZIP_ENCODING)
ENDIF (HDF5_ENABLE_SZIP_SUPPORT)
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