Forgot to attach the file! Will Dicharry wrote:
Hi All,I neglected the FindHDF5 module for a while because I was shifted to another project that was kind of far from CMake work, but there were a few requests for fixes features to the module. I think I have a file that has the important ones. It's attached to this message. Brad, I know I had CVS access, but I don't think I have Git access. If you'd like me to push my commits, I can but I think I'd need you to reauthorize me to do so.The changes to this module are: 1. Tim Gallagher's (cc'd) patch to handle the HDF5 Fortran library.2. hdf5_hl is now an optional component that can be requested like the language bindings. 3. If I can find hdf5-config.cmake from the native HDF5 cmake build, I use it.I'd like it if the people I cc'd (who appear to be interested in at least one of these features) could try it and see if it works for them. I'd also like to know if I did #3 correctly, since there don't really appear to be any modules in the CMake repository that wrap around config files that don't set the variables defined in the Find module.Thanks, Will
# - Find HDF5, a library for reading and writing self describing array data. # # This module invokes the HDF5 wrapper compiler that should be installed # alongside HDF5. Depending upon the HDF5 Configuration, the wrapper compiler # is called either h5cc or h5pcc. If this succeeds, the module will then call # the compiler with the -show argument to see what flags are used when compiling # an HDF5 client application. # # The module will optionally accept the COMPONENTS argument. If no COMPONENTS # are specified, then the find module will default to finding only the HDF5 C # library. If one or more COMPONENTS are specified, the module will attempt to # find the language bindings for the specified components. The only valid # components are C, CXX, Fortran, and HL. If the COMPONENTS argument is not # given, the module will attempt to find only the C bindings. # # On UNIX systems, this module will read the variable HDF5_USE_STATIC_LIBRARIES # to determine whether or not to prefer a static link to a dynamic link for HDF5 # and all of it's dependencies. To use this feature, make sure that the # HDF5_USE_STATIC_LIBRARIES variable is set before the call to find_package. # # To provide the module with a hint about where to find your HDF5 installation, # you can set the environment variable HDF5_ROOT. The Find module will then # look in this path when searching for HDF5 executables, paths, and libraries. # # In addition to finding the includes and libraries required to compile an HDF5 # client application, this module also makes an effort to find tools that come # with the HDF5 distribution that may be useful for regression testing. # # This module will define the following variables: # HDF5_INCLUDE_DIRS - Location of the hdf5 includes # HDF5_INCLUDE_DIR - Location of the hdf5 includes (deprecated) # HDF5_DEFINITIONS - Required compiler definitions for HDF5 # HDF5_C_LIBRARIES - Required libraries for the HDF5 C bindings. # HDF5_CXX_LIBRARIES - Required libraries for the HDF5 C++ bindings # HDF5_Fortran_LIBRARIES - Required libraries for the HDF5 Fortran bindings # HDF5_HL_LIBRARIES - Required libraries for the HDF5 high level API # HDF5_LIBRARIES - Required libraries for all requested bindings # HDF5_FOUND - true if HDF5 was found on the system # HDF5_LIBRARY_DIRS - the full set of library directories # HDF5_IS_PARALLEL - Whether or not HDF5 was found with parallel IO support # HDF5_C_COMPILER_EXECUTABLE - the path to the HDF5 C wrapper compiler # HDF5_CXX_COMPILER_EXECUTABLE - the path to the HDF5 C++ wrapper compiler # HDF5_Fortran_COMPILER_EXECUTABLE - the path to the HDF5 Fortran wrapper compiler # HDF5_DIFF_EXECUTABLE - the path to the HDF5 dataset comparison tool #============================================================================= # Copyright 2009 Kitware, Inc. # # Distributed under the OSI-approved BSD License (the "License"); # see accompanying file Copyright.txt for details. # # This software is distributed WITHOUT ANY WARRANTY; without even the # implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. # See the License for more information. #============================================================================= # (To distribute this file outside of CMake, substitute the full # License text for the above reference.) # This module is maintained by Will Dicharry <[email protected]>. include(SelectLibraryConfigurations) include(FindPackageHandleStandardArgs) # List of the valid HDF5 components set( HDF5_VALID_COMPONENTS C CXX Fortran HL ) # Validate the list of find components. if( NOT HDF5_FIND_COMPONENTS ) set( HDF5_LANGUAGE_BINDINGS "C" ) else() # add the extra specified components, ensuring that they are valid. foreach( component ${HDF5_FIND_COMPONENTS} ) list( FIND HDF5_VALID_COMPONENTS ${component} component_location ) if( ${component_location} EQUAL -1 ) message( FATAL_ERROR "\"${component}\" is not a valid HDF5 component." ) else() list( APPEND HDF5_LANGUAGE_BINDINGS ${component} ) endif() endforeach() endif() # try to find the HDF5 wrapper compilers find_program( HDF5_C_COMPILER_EXECUTABLE NAMES h5cc h5pcc HINTS ENV HDF5_ROOT PATH_SUFFIXES bin Bin DOC "HDF5 Wrapper compiler. Used only to detect HDF5 compile flags." ) mark_as_advanced( HDF5_C_COMPILER_EXECUTABLE ) find_program( HDF5_CXX_COMPILER_EXECUTABLE NAMES h5c++ h5pc++ HINTS ENV HDF5_ROOT PATH_SUFFIXES bin Bin DOC "HDF5 C++ Wrapper compiler. Used only to detect HDF5 compile flags." ) mark_as_advanced( HDF5_CXX_COMPILER_EXECUTABLE ) find_program( HDF5_Fortran_COMPILER_EXECUTABLE NAMES h5fc h5pfc HINTS ENV HDF5_ROOT PATH_SUFFIXES bin Bin DOC "HDF5 Fortran Wrapper compiler. Used only to detect HDF5 compile flags." ) mark_as_advanced( HDF5_Fortran_COMPILER_EXECUTABLE ) find_program( HDF5_DIFF_EXECUTABLE NAMES h5diff HINTS ENV HDF5_ROOT PATH_SUFFIXES bin Bin DOC "HDF5 file differencing tool." ) mark_as_advanced( HDF5_DIFF_EXECUTABLE ) # Invoke the HDF5 wrapper compiler. The compiler return value is stored to the # return_value argument, the text output is stored to the output variable. macro( _HDF5_invoke_compiler language output return_value ) if( HDF5_${language}_COMPILER_EXECUTABLE ) exec_program( ${HDF5_${language}_COMPILER_EXECUTABLE} ARGS -show OUTPUT_VARIABLE ${output} RETURN_VALUE ${return_value} ) if( ${${return_value}} EQUAL 0 ) # do nothing else() message( STATUS "Unable to determine HDF5 ${language} flags from HDF5 wrapper." ) endif() endif() endmacro() # Parse a compile line for definitions, includes, library paths, and libraries. macro( _HDF5_parse_compile_line compile_line_var include_paths definitions library_paths libraries ) # Match the include paths string( REGEX MATCHALL "-I([^\" ]+)" include_path_flags "${${compile_line_var}}" ) foreach( IPATH ${include_path_flags} ) string( REGEX REPLACE "^-I" "" IPATH ${IPATH} ) string( REGEX REPLACE "//" "/" IPATH ${IPATH} ) list( APPEND ${include_paths} ${IPATH} ) endforeach() # Match the definitions string( REGEX MATCHALL "-D[^ ]*" definition_flags "${${compile_line_var}}" ) foreach( DEF ${definition_flags} ) list( APPEND ${definitions} ${DEF} ) endforeach() # Match the library paths string( REGEX MATCHALL "-L([^\" ]+|\"[^\"]+\")" library_path_flags "${${compile_line_var}}" ) foreach( LPATH ${library_path_flags} ) string( REGEX REPLACE "^-L" "" LPATH ${LPATH} ) string( REGEX REPLACE "//" "/" LPATH ${LPATH} ) list( APPEND ${library_paths} ${LPATH} ) endforeach() # now search for the library names specified in the compile line (match -l...) # match only -l's preceded by a space or comma # this is to exclude directory names like xxx-linux/ string( REGEX MATCHALL "[, ]-l([^\", ]+)" library_name_flags "${${compile_line_var}}" ) # strip the -l from all of the library flags and add to the search list foreach( LIB ${library_name_flags} ) string( REGEX REPLACE "^[, ]-l" "" LIB ${LIB} ) list( APPEND ${libraries} ${LIB} ) endforeach() endmacro() # Try to find HDF5 using an installed hdf5-config.cmake find_package( HDF5 QUIET NO_MODULE ) if( HDF5_INCLUDE_DIR ) set( HDF5_INCLUDE_DIRS ${HDF5_INCLUDE_DIR} ) set( HDF5_LIBRARIES ) set( HDF5_C_TARGET hdf5 ) set( HDF5_CXX_TARGET hdf5_cpp ) set( HDF5_HL_TARGET hdf5_hl ) set( HDF5_Fortran_TARGET hdf5_fortran ) foreach( _component ${HDF5_LANGUAGE_BINDINGS} ) list( FIND HDF5_VALID_COMPONENTS ${_component} _component_location ) get_target_property( _comp_location ${HDF5_${_component}_TARGET} LOCATION ) if( _comp_location ) set( HDF5_${_component}_LIBRARY ${_comp_location} CACHE PATH "HDF5 ${_component} library" ) mark_as_advanced( HDF5_${_component}_LIBRARY ) list( APPEND HDF5_LIBRARIES ${HDF5_${_component}_LIBRARY} ) endif() endforeach() endif() if( HDF5_INCLUDE_DIRS AND HDF5_LIBRARIES ) # Do nothing: we already have HDF5_INCLUDE_PATH and HDF5_LIBRARIES in the # cache, it would be a shame to override them else() _HDF5_invoke_compiler( C HDF5_C_COMPILE_LINE HDF5_C_RETURN_VALUE ) _HDF5_invoke_compiler( CXX HDF5_CXX_COMPILE_LINE HDF5_CXX_RETURN_VALUE ) _HDF5_invoke_compiler( Fortran HDF5_Fortran_COMPILE_LINE HDF5_Fortran_RETURN_VALUE ) # seed the initial lists of libraries to find with items we know we need set( HDF5_C_LIBRARY_NAMES_INIT hdf5 ) set( HDF5_HL_LIBRARY_NAMES_INIT hdf5_hl ${HDF5_C_LIBRARY_NAMES_INIT} ) set( HDF5_CXX_LIBRARY_NAMES_INIT hdf5_cpp ${HDF5_C_LIBRARY_NAMES_INIT} ) set( HDF5_Fortran_LIBRARY_NAMES_INIT hdf5_fortran ${HDF5_C_LIBRARY_NAMES_INIT} ) foreach( LANGUAGE ${HDF5_LANGUAGE_BINDINGS} ) if( HDF5_${LANGUAGE}_COMPILE_LINE ) _HDF5_parse_compile_line( HDF5_${LANGUAGE}_COMPILE_LINE HDF5_${LANGUAGE}_INCLUDE_FLAGS HDF5_${LANGUAGE}_DEFINITIONS HDF5_${LANGUAGE}_LIBRARY_DIRS HDF5_${LANGUAGE}_LIBRARY_NAMES ) # take a guess that the includes may be in the 'include' sibling directory # of a library directory. foreach( dir ${HDF5_${LANGUAGE}_LIBRARY_DIRS} ) list( APPEND HDF5_${LANGUAGE}_INCLUDE_FLAGS ${dir}/../include ) endforeach() endif() # set the definitions for the language bindings. list( APPEND HDF5_DEFINITIONS ${HDF5_${LANGUAGE}_DEFINITIONS} ) # find the HDF5 include directories if(${LANGUAGE} STREQUAL "Fortran") set(HDF5_INCLUDE_FILENAME hdf5.mod) else() set(HDF5_INCLUDE_FILENAME hdf5.h) endif() find_path( HDF5_${LANGUAGE}_INCLUDE_DIR ${HDF5_INCLUDE_FILENAME} HINTS ${HDF5_${LANGUAGE}_INCLUDE_FLAGS} ENV HDF5_ROOT PATHS $ENV{HOME}/.local/include PATH_SUFFIXES include Include ) mark_as_advanced( HDF5_${LANGUAGE}_INCLUDE_DIR ) list( APPEND HDF5_INCLUDE_DIRS ${HDF5_${LANGUAGE}_INCLUDE_DIR} ) set( HDF5_${LANGUAGE}_LIBRARY_NAMES ${HDF5_${LANGUAGE}_LIBRARY_NAMES_INIT} ${HDF5_${LANGUAGE}_LIBRARY_NAMES} ) # find the HDF5 libraries message( STATUS "FindHDF5 -- search for ${LANGUAGE}" ) foreach( LIB ${HDF5_${LANGUAGE}_LIBRARY_NAMES} ) message( STATUS "FindHDF5 -- Searching for ${LIB}" ) if( UNIX AND HDF5_USE_STATIC_LIBRARIES ) # According to bug 1643 on the CMake bug tracker, this is the # preferred method for searching for a static library. # See http://www.cmake.org/Bug/view.php?id=1643. We search # first for the full static library name, but fall back to a # generic search on the name if the static search fails. set( THIS_LIBRARY_SEARCH_DEBUG lib${LIB}d.a ${LIB}d ) set( THIS_LIBRARY_SEARCH_RELEASE lib${LIB}.a ${LIB} ) else() set( THIS_LIBRARY_SEARCH_DEBUG ${LIB}d ) set( THIS_LIBRARY_SEARCH_RELEASE ${LIB} ) endif() find_library( HDF5_${LIB}_LIBRARY_DEBUG NAMES ${THIS_LIBRARY_SEARCH_DEBUG} HINTS ${HDF5_${LANGUAGE}_LIBRARY_DIRS} ENV HDF5_ROOT PATH_SUFFIXES lib Lib ) find_library( HDF5_${LIB}_LIBRARY_RELEASE NAMES ${THIS_LIBRARY_SEARCH_RELEASE} HINTS ${HDF5_${LANGUAGE}_LIBRARY_DIRS} ENV HDF5_ROOT PATH_SUFFIXES lib Lib ) select_library_configurations( HDF5_${LIB} ) # even though we adjusted the individual library names in # select_library_configurations, we still need to distinguish # between debug and release variants because HDF5_LIBRARIES will # need to specify different lists for debug and optimized builds. # We can't just use the HDF5_${LIB}_LIBRARY variable (which was set # up by the selection macro above) because it may specify debug and # optimized variants for a particular library, but a list of # libraries is allowed to specify debug and optimized only once. list( APPEND HDF5_${LANGUAGE}_LIBRARIES_DEBUG ${HDF5_${LIB}_LIBRARY_DEBUG} ) list( APPEND HDF5_${LANGUAGE}_LIBRARIES_RELEASE ${HDF5_${LIB}_LIBRARY_RELEASE} ) endforeach() list( APPEND HDF5_LIBRARY_DIRS ${HDF5_${LANGUAGE}_LIBRARY_DIRS} ) # Append the libraries for this language binding to the list of all # required libraries. list( APPEND HDF5_LIBRARIES_DEBUG ${HDF5_${LANGUAGE}_LIBRARIES_DEBUG} ) list( APPEND HDF5_LIBRARIES_RELEASE ${HDF5_${LANGUAGE}_LIBRARIES_RELEASE} ) endforeach() # We may have picked up some duplicates in various lists during the above # process for the language bindings (both the C and C++ bindings depend on # libz for example). Remove the duplicates. if( HDF5_INCLUDE_DIRS ) list( REMOVE_DUPLICATES HDF5_INCLUDE_DIRS ) endif() if( HDF5_LIBRARIES_DEBUG ) list( REMOVE_DUPLICATES HDF5_LIBRARIES_DEBUG ) endif() if( HDF5_LIBRARIES_RELEASE ) list( REMOVE_DUPLICATES HDF5_LIBRARIES_RELEASE ) endif() if( HDF5_LIBRARY_DIRS ) list( REMOVE_DUPLICATES HDF5_LIBRARY_DIRS ) endif() # Construct the complete list of HDF5 libraries with debug and optimized # variants when the generator supports them. if( CMAKE_CONFIGURATION_TYPES OR CMAKE_BUILD_TYPE ) set( HDF5_LIBRARIES debug ${HDF5_LIBRARIES_DEBUG} optimized ${HDF5_LIBRARIES_RELEASE} ) else() set( HDF5_LIBRARIES ${HDF5_LIBRARIES_RELEASE} ) endif() # If the HDF5 include directory was found, open H5pubconf.h to determine if # HDF5 was compiled with parallel IO support set( HDF5_IS_PARALLEL FALSE ) foreach( _dir IN LISTS HDF5_INCLUDE_DIRS ) if( EXISTS "${_dir}/H5pubconf.h" ) file( STRINGS "${_dir}/H5pubconf.h" HDF5_HAVE_PARALLEL_DEFINE REGEX "HAVE_PARALLEL 1" ) if( HDF5_HAVE_PARALLEL_DEFINE ) set( HDF5_IS_PARALLEL TRUE ) endif() endif() endforeach() set( HDF5_IS_PARALLEL ${HDF5_IS_PARALLEL} CACHE BOOL "HDF5 library compiled with parallel IO support" ) mark_as_advanced( HDF5_IS_PARALLEL ) endif() find_package_handle_standard_args( HDF5 DEFAULT_MSG HDF5_LIBRARIES HDF5_INCLUDE_DIRS ) mark_as_advanced( HDF5_INCLUDE_DIRS HDF5_LIBRARIES HDF5_DEFINTIONS HDF5_LIBRARY_DIRS HDF5_C_COMPILER_EXECUTABLE HDF5_CXX_COMPILER_EXECUTABLE HDF5_Fortran_COMPILER_EXECUTABLE ) # For backwards compatibility we set HDF5_INCLUDE_DIR to the value of # HDF5_INCLUDE_DIRS set( HDF5_INCLUDE_DIR "${HDF5_INCLUDE_DIRS}" )
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