#-----------------------------------------------------------------------------
# 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)
include (ExternalProject)
#option (HDF5_ALLOW_EXTERNAL_SUPPORT "Allow External Library Building (NO SVN TGZ)" "NO")
set (HDF5_ALLOW_EXTERNAL_SUPPORT "NO" CACHE STRING "Allow External Library Building (NO SVN TGZ)")
set_property (CACHE HDF5_ALLOW_EXTERNAL_SUPPORT PROPERTY STRINGS NO SVN TGZ)
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} CACHE STRING "Path to zlib Subversion repository")
set (SZIP_URL ${SZIP_SVN_URL} CACHE STRING "Path to szip Subversion repository")
elseif (HDF5_ALLOW_EXTERNAL_SUPPORT MATCHES "TGZ")
if (NOT TGZPATH)
set (TGZPATH ${HDF5_SOURCE_DIR})
endif (NOT TGZPATH)
set (ZLIB_URL ${TGZPATH}/${ZLIB_TGZ_NAME})
set (SZIP_URL ${TGZPATH}/${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
if (ZLIB_FOUND)
set (LINK_LIBS ${LINK_LIBS} ${ZLIB_LIBRARIES})
endif (ZLIB_FOUND)
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_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
if (SZIP_FOUND)
set (LINK_LIBS ${LINK_LIBS} ${SZIP_LIBRARIES})
endif (SZIP_FOUND)
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_DIRS})
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)