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Diffstat (limited to 'Modules/FindHDF5.cmake')
| -rw-r--r-- | Modules/FindHDF5.cmake | 805 |
1 files changed, 805 insertions, 0 deletions
diff --git a/Modules/FindHDF5.cmake b/Modules/FindHDF5.cmake new file mode 100644 index 0000000..16764e0 --- /dev/null +++ b/Modules/FindHDF5.cmake @@ -0,0 +1,805 @@ +# Distributed under the OSI-approved BSD 3-Clause License. See accompanying +# file Copyright.txt or https://cmake.org/licensing for details. + +#.rst: +# FindHDF5 +# -------- +# +# 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, HL, and +# Fortran_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. +# +# Both the serial and parallel HDF5 wrappers are considered and the first +# directory to contain either one will be used. In the event that both appear +# in the same directory the serial version is preferentially selected. This +# behavior can be reversed by setting the variable HDF5_PREFER_PARALLEL to +# true. +# +# 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_FOUND - true if HDF5 was found on the system +# HDF5_VERSION - HDF5 version in format Major.Minor.Release +# 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_LIBRARIES - Required libraries for all requested bindings +# HDF5_HL_LIBRARIES - Required libraries for the HDF5 high level API for all +# bindings, if the HL component is enabled +# +# Available components are: C CXX Fortran and HL. For each enabled language +# binding, a corresponding HDF5_${LANG}_LIBRARIES variable will be defined. +# If the HL component is enabled, then an HDF5_${LANG}_HL_LIBRARIES will +# also be defined. With all components enabled, the following variables will be defined: +# +# :: +# +# 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_C_HL_LIBRARIES - Required libraries for the high level C bindings +# HDF5_CXX_HL_LIBRARIES - Required libraries for the high level C++ bindings +# HDF5_Fortran_HL_LIBRARIES - Required libraries for the high level Fortran +# bindings. +# +# 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_C_COMPILER_EXECUTABLE_NO_INTERROGATE - path to the primary C compiler +# which is also the HDF5 wrapper +# HDF5_CXX_COMPILER_EXECUTABLE_NO_INTERROGATE - path to the primary C++ +# compiler which is also +# the HDF5 wrapper +# HDF5_Fortran_COMPILER_EXECUTABLE_NO_INTERROGATE - path to the primary +# Fortran compiler which +# is also the HDF5 wrapper +# HDF5_DIFF_EXECUTABLE - the path to the HDF5 dataset comparison tool +# +# The following variable can be set to guide the search for HDF5 libraries and includes: +# +# HDF5_ROOT + +# This module is maintained by Will Dicharry <wdicharry@stellarscience.com>. + +include(${CMAKE_CURRENT_LIST_DIR}/SelectLibraryConfigurations.cmake) +include(${CMAKE_CURRENT_LIST_DIR}/FindPackageHandleStandardArgs.cmake) + +# List of the valid HDF5 components +set(HDF5_VALID_LANGUAGE_BINDINGS C CXX Fortran) + +# Validate the list of find components. +if(NOT HDF5_FIND_COMPONENTS) + set(HDF5_LANGUAGE_BINDINGS "C") +else() + set(HDF5_LANGUAGE_BINDINGS) + # add the extra specified components, ensuring that they are valid. + set(FIND_HL OFF) + foreach(component IN LISTS HDF5_FIND_COMPONENTS) + list(FIND HDF5_VALID_LANGUAGE_BINDINGS ${component} component_location) + if(NOT component_location EQUAL -1) + list(APPEND HDF5_LANGUAGE_BINDINGS ${component}) + elseif(component STREQUAL "HL") + set(FIND_HL ON) + elseif(component STREQUAL "Fortran_HL") # only for compatibility + list(APPEND HDF5_LANGUAGE_BINDINGS Fortran) + set(FIND_HL ON) + set(HDF5_FIND_REQUIRED_Fortran_HL False) + set(HDF5_FIND_REQUIRED_Fortran True) + set(HDF5_FIND_REQUIRED_HL True) + else() + message(FATAL_ERROR "${component} is not a valid HDF5 component.") + endif() + endforeach() + if(NOT HDF5_LANGUAGE_BINDINGS) + get_property(__langs GLOBAL PROPERTY ENABLED_LANGUAGES) + foreach(__lang IN LISTS __langs) + if(__lang MATCHES "^(C|CXX|Fortran)$") + list(APPEND HDF5_LANGUAGE_BINDINGS ${__lang}) + endif() + endforeach() + endif() + list(REMOVE_ITEM HDF5_FIND_COMPONENTS Fortran_HL) # replaced by Fortran and HL + list(REMOVE_DUPLICATES HDF5_LANGUAGE_BINDINGS) +endif() + +# Determine whether to search for serial or parallel executable first +if(HDF5_PREFER_PARALLEL) + set(HDF5_C_COMPILER_NAMES h5pcc h5cc) + set(HDF5_CXX_COMPILER_NAMES h5pc++ h5c++) + set(HDF5_Fortran_COMPILER_NAMES h5pfc h5fc) +else() + set(HDF5_C_COMPILER_NAMES h5cc h5pcc) + set(HDF5_CXX_COMPILER_NAMES h5c++ h5pc++) + set(HDF5_Fortran_COMPILER_NAMES h5fc h5pfc) +endif() + +# We may have picked up some duplicates in various lists during the above +# process for the language bindings (both the C and C++ bindings depend on +# libz for example). Remove the duplicates. It appears that the default +# CMake behavior is to remove duplicates from the end of a list. However, +# for link lines, this is incorrect since unresolved symbols are searched +# for down the link line. Therefore, we reverse the list, remove the +# duplicates, and then reverse it again to get the duplicates removed from +# the beginning. +macro(_HDF5_remove_duplicates_from_beginning _list_name) + if(${_list_name}) + list(REVERSE ${_list_name}) + list(REMOVE_DUPLICATES ${_list_name}) + list(REVERSE ${_list_name}) + endif() +endmacro() + + +# Test first if the current compilers automatically wrap HDF5 + +function(_HDF5_test_regular_compiler_C success version is_parallel) + set(scratch_directory + ${CMAKE_CURRENT_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/hdf5) + if(NOT ${success} OR + NOT EXISTS ${scratch_directory}/compiler_has_h5_c) + set(test_file ${scratch_directory}/cmake_hdf5_test.c) + file(WRITE ${test_file} + "#include <hdf5.h>\n" + "#include <hdf5_hl.h>\n" + "int main(void) {\n" + " char const* info_ver = \"INFO\" \":\" H5_VERSION;\n" + " hid_t fid;\n" + " fid = H5Fcreate(\"foo.h5\",H5F_ACC_TRUNC,H5P_DEFAULT,H5P_DEFAULT);\n" + " return 0;\n" + "}") + try_compile(${success} ${scratch_directory} ${test_file} + COPY_FILE ${scratch_directory}/compiler_has_h5_c + ) + endif() + if(${success}) + file(STRINGS ${scratch_directory}/compiler_has_h5_c INFO_VER + REGEX "^INFO:([0-9]+\\.[0-9]+\\.[0-9]+)(-patch([0-9]+))?" + ) + string(REGEX MATCH "^INFO:([0-9]+\\.[0-9]+\\.[0-9]+)(-patch([0-9]+))?" + INFO_VER "${INFO_VER}" + ) + set(${version} ${CMAKE_MATCH_1}) + if(CMAKE_MATCH_3) + set(${version} ${HDF5_CXX_VERSION}.${CMAKE_MATCH_3}) + endif() + set(${version} ${${version}} PARENT_SCOPE) + + execute_process(COMMAND ${CMAKE_C_COMPILER} -showconfig + OUTPUT_VARIABLE config_output + ERROR_VARIABLE config_error + RESULT_VARIABLE config_result + ) + if(config_output MATCHES "Parallel HDF5: yes") + set(${is_parallel} TRUE PARENT_SCOPE) + else() + set(${is_parallel} FALSE PARENT_SCOPE) + endif() + endif() +endfunction() + +function(_HDF5_test_regular_compiler_CXX success version is_parallel) + set(scratch_directory ${CMAKE_CURRENT_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/hdf5) + if(NOT ${success} OR + NOT EXISTS ${scratch_directory}/compiler_has_h5_cxx) + set(test_file ${scratch_directory}/cmake_hdf5_test.cxx) + file(WRITE ${test_file} + "#include <H5Cpp.h>\n" + "#ifndef H5_NO_NAMESPACE\n" + "using namespace H5;\n" + "#endif\n" + "int main(int argc, char **argv) {\n" + " char const* info_ver = \"INFO\" \":\" H5_VERSION;\n" + " H5File file(\"foo.h5\", H5F_ACC_TRUNC);\n" + " return 0;\n" + "}") + try_compile(${success} ${scratch_directory} ${test_file} + COPY_FILE ${scratch_directory}/compiler_has_h5_cxx + ) + endif() + if(${success}) + file(STRINGS ${scratch_directory}/compiler_has_h5_cxx INFO_VER + REGEX "^INFO:([0-9]+\\.[0-9]+\\.[0-9]+)(-patch([0-9]+))?" + ) + string(REGEX MATCH "^INFO:([0-9]+\\.[0-9]+\\.[0-9]+)(-patch([0-9]+))?" + INFO_VER "${INFO_VER}" + ) + set(${version} ${CMAKE_MATCH_1}) + if(CMAKE_MATCH_3) + set(${version} ${HDF5_CXX_VERSION}.${CMAKE_MATCH_3}) + endif() + set(${version} ${${version}} PARENT_SCOPE) + + execute_process(COMMAND ${CMAKE_CXX_COMPILER} -showconfig + OUTPUT_VARIABLE config_output + ERROR_VARIABLE config_error + RESULT_VARIABLE config_result + ) + if(config_output MATCHES "Parallel HDF5: yes") + set(${is_parallel} TRUE PARENT_SCOPE) + else() + set(${is_parallel} FALSE PARENT_SCOPE) + endif() + endif() +endfunction() + +function(_HDF5_test_regular_compiler_Fortran success is_parallel) + if(NOT ${success}) + set(scratch_directory + ${CMAKE_CURRENT_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/hdf5) + set(test_file ${scratch_directory}/cmake_hdf5_test.f90) + file(WRITE ${test_file} + "program hdf5_hello\n" + " use hdf5\n" + " use h5lt\n" + " use h5ds\n" + " integer error\n" + " call h5open_f(error)\n" + " call h5close_f(error)\n" + "end\n") + try_compile(${success} ${scratch_directory} ${test_file}) + if(${success}) + execute_process(COMMAND ${CMAKE_Fortran_COMPILER} -showconfig + OUTPUT_VARIABLE config_output + ERROR_VARIABLE config_error + RESULT_VARIABLE config_result + ) + if(config_output MATCHES "Parallel HDF5: yes") + set(${is_parallel} TRUE PARENT_SCOPE) + else() + set(${is_parallel} FALSE PARENT_SCOPE) + endif() + endif() + endif() +endfunction() + +# Invoke the HDF5 wrapper compiler. The compiler return value is stored to the +# return_value argument, the text output is stored to the output variable. +macro( _HDF5_invoke_compiler language output return_value version is_parallel) + set(${version}) + if(HDF5_USE_STATIC_LIBRARIES) + set(lib_type_args -noshlib) + else() + set(lib_type_args -shlib) + endif() + set(scratch_dir ${CMAKE_CURRENT_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/hdf5) + if("${language}" STREQUAL "C") + set(test_file ${scratch_dir}/cmake_hdf5_test.c) + elseif("${language}" STREQUAL "CXX") + set(test_file ${scratch_dir}/cmake_hdf5_test.cxx) + elseif("${language}" STREQUAL "Fortran") + set(test_file ${scratch_dir}/cmake_hdf5_test.f90) + endif() + exec_program( ${HDF5_${language}_COMPILER_EXECUTABLE} + ARGS -show ${lib_type_args} ${test_file} + OUTPUT_VARIABLE ${output} + RETURN_VALUE ${return_value} + ) + if(NOT ${${return_value}} EQUAL 0) + message(STATUS + "Unable to determine HDF5 ${language} flags from HDF5 wrapper.") + endif() + exec_program( ${HDF5_${language}_COMPILER_EXECUTABLE} + ARGS -showconfig + OUTPUT_VARIABLE config_output + RETURN_VALUE config_return + ) + if(NOT ${return_value} EQUAL 0) + message( STATUS + "Unable to determine HDF5 ${language} version from HDF5 wrapper.") + endif() + string(REGEX MATCH "HDF5 Version: ([a-zA-Z0-9\\.\\-]*)" version_match "${config_output}") + if(version_match) + string(REPLACE "HDF5 Version: " "" ${version} "${version_match}") + string(REPLACE "-patch" "." ${version} "${${version}}") + endif() + if(config_output MATCHES "Parallel HDF5: yes") + set(${is_parallel} TRUE) + else() + set(${is_parallel} FALSE) + endif() +endmacro() + +# Parse a compile line for definitions, includes, library paths, and libraries. +macro( _HDF5_parse_compile_line + compile_line_var + include_paths + definitions + library_paths + libraries + libraries_hl) + + # Match the include paths + set( RE " -I *([^\" ]+|\"[^\"]+\")") + string( REGEX MATCHALL "${RE}" include_path_flags "${${compile_line_var}}") + foreach( IPATH IN LISTS include_path_flags ) + string( REGEX REPLACE "${RE}" "\\1" IPATH "${IPATH}" ) + list( APPEND ${include_paths} ${IPATH} ) + endforeach() + + # Match the definitions + set( RE " -D([^ ]*)") + string( REGEX MATCHALL "${RE}" definition_flags "${${compile_line_var}}" ) + foreach( DEF IN LISTS definition_flags ) + string( STRIP "${DEF}" DEF ) + list( APPEND ${definitions} ${DEF} ) + endforeach() + + # Match the library paths + set( RE " -L *([^\" ]+|\"[^\"]+\")") + string( REGEX MATCHALL "${RE}" library_path_flags "${${compile_line_var}}") + foreach( LPATH IN LISTS library_path_flags ) + string( REGEX REPLACE "${RE}" "\\1" LPATH "${LPATH}" ) + list( APPEND ${library_paths} ${LPATH} ) + endforeach() + + # now search for the lib names specified in the compile line (match -l...) + # match only -l's preceded by a space or comma + set( RE " -l *([^\" ]+|\"[^\"]+\")") + string( REGEX MATCHALL "${RE}" library_name_flags "${${compile_line_var}}") + foreach( LNAME IN LISTS library_name_flags ) + string( REGEX REPLACE "${RE}" "\\1" LNAME "${LNAME}" ) + if(LNAME MATCHES ".*hl") + list(APPEND ${libraries_hl} ${LNAME}) + else() + list(APPEND ${libraries} ${LNAME}) + endif() + endforeach() + + # now search for full library paths with no flags + set( RE " ([^\" ]+|\"[^\"]+\")") + string( REGEX MATCHALL "${RE}" library_name_noflags "${${compile_line_var}}") + foreach( LIB IN LISTS library_name_noflags ) + string( REGEX REPLACE "${RE}" "\\1" LIB "${LIB}" ) + get_filename_component(LIB "${LIB}" ABSOLUTE) + if(NOT EXISTS ${LIB} OR IS_DIRECTORY ${LIB}) + continue() + endif() + get_filename_component(LPATH ${LIB} DIRECTORY) + get_filename_component(LNAME ${LIB} NAME_WE) + string( REGEX REPLACE "^lib" "" LNAME ${LNAME} ) + list( APPEND ${library_paths} ${LPATH} ) + if(LNAME MATCHES ".*hl") + list(APPEND ${libraries_hl} ${LNAME}) + else() + list(APPEND ${libraries} ${LNAME}) + endif() + endforeach() +endmacro() + +if(NOT HDF5_ROOT) + set(HDF5_ROOT $ENV{HDF5_ROOT}) +endif() + +# Try to find HDF5 using an installed hdf5-config.cmake +if(NOT HDF5_FOUND AND NOT HDF5_ROOT) + find_package(HDF5 QUIET NO_MODULE) + if( HDF5_FOUND) + set(HDF5_IS_PARALLEL ${HDF5_ENABLE_PARALLEL}) + set(HDF5_INCLUDE_DIRS ${HDF5_INCLUDE_DIR}) + set(HDF5_LIBRARIES) + set(HDF5_C_TARGET hdf5) + set(HDF5_C_HL_TARGET hdf5_hl) + set(HDF5_CXX_TARGET hdf5_cpp) + set(HDF5_CXX_HL_TARGET hdf5_hl_cpp) + set(HDF5_Fortran_TARGET hdf5_fortran) + set(HDF5_Fortran_HL_TARGET hdf5_hl_fortran) + if(HDF5_USE_STATIC_LIBRARIES) + set(_suffix "-static") + else() + set(_suffix "-shared") + endif() + foreach(_lang ${HDF5_LANGUAGE_BINDINGS}) + + #Older versions of hdf5 don't have a static/shared suffix so + #if we detect that occurrence clear the suffix + if(_suffix AND NOT TARGET ${HDF5_${_lang}_TARGET}${_suffix}) + if(NOT TARGET ${HDF5_${_lang}_TARGET}) + #cant find this component with our without the suffix + #so bail out, and let the following locate HDF5 + set(HDF5_FOUND FALSE) + break() + endif() + set(_suffix "") + endif() + + get_target_property(_lang_location ${HDF5_${_lang}_TARGET}${_suffix} LOCATION) + if( _lang_location ) + set(HDF5_${_lang}_LIBRARY ${_lang_location} CACHE PATH + "HDF5 ${_lang} library" ) + mark_as_advanced(HDF5_${_lang}_LIBRARY) + list(APPEND HDF5_LIBRARIES ${HDF5_${_lang}_LIBRARY}) + set(HDF5_${_lang}_LIBRARIES ${HDF5_${_lang}_LIBRARY}) + set(HDF5_${_lang}_FOUND True) + endif() + if(FIND_HL) + get_target_property(_lang_hl_location ${HDF5_${_lang}_HL_TARGET}${_suffix} LOCATION) + if( _lang_hl_location ) + set(HDF5_${_lang}_HL_LIBRARY ${_lang_hl_location} CACHE PATH + "HDF5 ${_lang} HL library" ) + mark_as_advanced(HDF5_${_lang}_HL_LIBRARY) + list(APPEND HDF5_HL_LIBRARIES ${HDF5_${_lang}_HL_LIBRARY}) + set(HDF5_${_lang}_HL_LIBRARIES ${HDF5_${_lang}_HL_LIBRARY}) + set(HDF5_HL_FOUND True) + endif() + endif() + endforeach() + endif() +endif() + +if(NOT HDF5_FOUND AND NOT HDF5_ROOT) + set(_HDF5_NEED_TO_SEARCH False) + set(HDF5_COMPILER_NO_INTERROGATE True) + # Only search for languages we've enabled + foreach(__lang IN LISTS HDF5_LANGUAGE_BINDINGS) + # First check to see if our regular compiler is one of wrappers + if(__lang STREQUAL "C") + _HDF5_test_regular_compiler_C( + HDF5_${__lang}_COMPILER_NO_INTERROGATE + HDF5_${__lang}_VERSION + HDF5_${__lang}_IS_PARALLEL) + elseif(__lang STREQUAL "CXX") + _HDF5_test_regular_compiler_CXX( + HDF5_${__lang}_COMPILER_NO_INTERROGATE + HDF5_${__lang}_VERSION + HDF5_${__lang}_IS_PARALLEL) + elseif(__lang STREQUAL "Fortran") + _HDF5_test_regular_compiler_Fortran( + HDF5_${__lang}_COMPILER_NO_INTERROGATE + HDF5_${__lang}_IS_PARALLEL) + else() + continue() + endif() + if(HDF5_${__lang}_COMPILER_NO_INTERROGATE) + message(STATUS "HDF5: Using hdf5 compiler wrapper for all ${__lang} compiling") + set(HDF5_${__lang}_FOUND True) + set(HDF5_${__lang}_COMPILER_EXECUTABLE_NO_INTERROGATE + "${CMAKE_${__lang}_COMPILER}" + CACHE FILEPATH "HDF5 ${__lang} compiler wrapper") + set(HDF5_${__lang}_DEFINITIONS) + set(HDF5_${__lang}_INCLUDE_DIRS) + set(HDF5_${__lang}_LIBRARIES) + set(HDF5_${__lang}_HL_LIBRARIES) + + mark_as_advanced(HDF5_${__lang}_COMPILER_EXECUTABLE_NO_INTERROGATE) + mark_as_advanced(HDF5_${__lang}_DEFINITIONS) + mark_as_advanced(HDF5_${__lang}_INCLUDE_DIRS) + mark_as_advanced(HDF5_${__lang}_LIBRARIES) + mark_as_advanced(HDF5_${__lang}_HL_LIBRARIES) + + set(HDF5_${__lang}_FOUND True) + set(HDF5_HL_FOUND True) + else() + set(HDF5_COMPILER_NO_INTERROGATE False) + # If this language isn't using the wrapper, then try to seed the + # search options with the wrapper + find_program(HDF5_${__lang}_COMPILER_EXECUTABLE + NAMES ${HDF5_${__lang}_COMPILER_NAMES} NAMES_PER_DIR + PATH_SUFFIXES bin Bin + DOC "HDF5 ${__lang} Wrapper compiler. Used only to detect HDF5 compile flags." + ) + mark_as_advanced( HDF5_${__lang}_COMPILER_EXECUTABLE ) + unset(HDF5_${__lang}_COMPILER_NAMES) + + if(HDF5_${__lang}_COMPILER_EXECUTABLE) + _HDF5_invoke_compiler(${__lang} HDF5_${__lang}_COMPILE_LINE + HDF5_${__lang}_RETURN_VALUE HDF5_${__lang}_VERSION HDF5_${__lang}_IS_PARALLEL) + if(HDF5_${__lang}_RETURN_VALUE EQUAL 0) + message(STATUS "HDF5: Using hdf5 compiler wrapper to determine ${__lang} configuration") + _HDF5_parse_compile_line( HDF5_${__lang}_COMPILE_LINE + HDF5_${__lang}_INCLUDE_DIRS + HDF5_${__lang}_DEFINITIONS + HDF5_${__lang}_LIBRARY_DIRS + HDF5_${__lang}_LIBRARY_NAMES + HDF5_${__lang}_HL_LIBRARY_NAMES + ) + set(HDF5_${__lang}_LIBRARIES) + + set(_HDF5_CMAKE_FIND_LIBRARY_SUFFIXES ${CMAKE_FIND_LIBRARY_SUFFIXES}) + if(HDF5_USE_STATIC_LIBRARIES) + set(CMAKE_FIND_LIBRARY_SUFFIXES ${CMAKE_STATIC_LIBRARY_SUFFIX}) + else() + set(CMAKE_FIND_LIBRARY_SUFFIXES ${CMAKE_SHARED_LIBRARY_SUFFIX}) + endif() + + foreach(L IN LISTS HDF5_${__lang}_LIBRARY_NAMES) + find_library(HDF5_${__lang}_LIBRARY_${L} ${L} ${HDF5_${__lang}_LIBRARY_DIRS}) + if(HDF5_${__lang}_LIBRARY_${L}) + list(APPEND HDF5_${__lang}_LIBRARIES ${HDF5_${__lang}_LIBRARY_${L}}) + else() + list(APPEND HDF5_${__lang}_LIBRARIES ${L}) + endif() + endforeach() + if(FIND_HL) + set(HDF5_${__lang}_HL_LIBRARIES) + foreach(L IN LISTS HDF5_${__lang}_HL_LIBRARY_NAMES) + find_library(HDF5_${__lang}_LIBRARY_${L} ${L} ${HDF5_${__lang}_LIBRARY_DIRS}) + if(HDF5_${__lang}_LIBRARY_${L}) + list(APPEND HDF5_${__lang}_HL_LIBRARIES ${HDF5_${__lang}_LIBRARY_${L}}) + else() + list(APPEND HDF5_${__lang}_HL_LIBRARIES ${L}) + endif() + endforeach() + set(HDF5_HL_FOUND True) + endif() + + set(CMAKE_FIND_LIBRARY_SUFFIXES ${_HDF5_CMAKE_FIND_LIBRARY_SUFFIXES}) + + set(HDF5_${__lang}_FOUND True) + mark_as_advanced(HDF5_${__lang}_DEFINITIONS) + mark_as_advanced(HDF5_${__lang}_INCLUDE_DIRS) + mark_as_advanced(HDF5_${__lang}_LIBRARIES) + _HDF5_remove_duplicates_from_beginning(HDF5_${__lang}_DEFINITIONS) + _HDF5_remove_duplicates_from_beginning(HDF5_${__lang}_INCLUDE_DIRS) + _HDF5_remove_duplicates_from_beginning(HDF5_${__lang}_LIBRARIES) + _HDF5_remove_duplicates_from_beginning(HDF5_${__lang}_HL_LIBRARIES) + else() + set(_HDF5_NEED_TO_SEARCH True) + endif() + else() + set(_HDF5_NEED_TO_SEARCH True) + endif() + endif() + if(HDF5_${__lang}_VERSION) + if(NOT HDF5_VERSION) + set(HDF5_VERSION ${HDF5_${__lang}_VERSION}) + elseif(NOT HDF5_VERSION VERSION_EQUAL HDF5_${__lang}_VERSION) + message(WARNING "HDF5 Version found for language ${__lang}, ${HDF5_${__lang}_VERSION} is different than previously found version ${HDF5_VERSION}") + endif() + endif() + if(DEFINED HDF5_${__lang}_IS_PARALLEL) + if(NOT DEFINED HDF5_IS_PARALLEL) + set(HDF5_IS_PARALLEL ${HDF5_${__lang}_IS_PARALLEL}) + elseif(NOT HDF5_IS_PARALLEL AND HDF5_${__lang}_IS_PARALLEL) + message(WARNING "HDF5 found for language ${__lang} is parallel but previously found language is not parallel.") + elseif(HDF5_IS_PARALLEL AND NOT HDF5_${__lang}_IS_PARALLEL) + message(WARNING "HDF5 found for language ${__lang} is not parallel but previously found language is parallel.") + endif() + endif() + endforeach() +else() + set(_HDF5_NEED_TO_SEARCH True) +endif() + +if(NOT HDF5_FOUND AND HDF5_COMPILER_NO_INTERROGATE) + # No arguments necessary, all languages can use the compiler wrappers + set(HDF5_FOUND True) + set(HDF5_METHOD "Included by compiler wrappers") + set(HDF5_REQUIRED_VARS HDF5_METHOD) +elseif(NOT HDF5_FOUND AND NOT _HDF5_NEED_TO_SEARCH) + # Compiler wrappers aren't being used by the build but were found and used + # to determine necessary include and library flags + set(HDF5_INCLUDE_DIRS) + set(HDF5_LIBRARIES) + set(HDF5_HL_LIBRARIES) + foreach(__lang IN LISTS HDF5_LANGUAGE_BINDINGS) + if(HDF5_${__lang}_FOUND) + if(NOT HDF5_${__lang}_COMPILER_NO_INTERROGATE) + list(APPEND HDF5_DEFINITIONS ${HDF5_${__lang}_DEFINITIONS}) + list(APPEND HDF5_INCLUDE_DIRS ${HDF5_${__lang}_INCLUDE_DIRS}) + list(APPEND HDF5_LIBRARIES ${HDF5_${__lang}_LIBRARIES}) + if(FIND_HL) + list(APPEND HDF5_HL_LIBRARIES ${HDF5_${__lang}_HL_LIBRARIES}) + endif() + endif() + endif() + endforeach() + _HDF5_remove_duplicates_from_beginning(HDF5_DEFINITIONS) + _HDF5_remove_duplicates_from_beginning(HDF5_INCLUDE_DIRS) + _HDF5_remove_duplicates_from_beginning(HDF5_LIBRARIES) + _HDF5_remove_duplicates_from_beginning(HDF5_HL_LIBRARIES) + set(HDF5_FOUND True) + set(HDF5_REQUIRED_VARS HDF5_LIBRARIES) + if(FIND_HL) + list(APPEND HDF5_REQUIRED_VARS HDF5_HL_LIBRARIES) + endif() +endif() + +if(HDF5_ROOT) + set(SEARCH_OPTS NO_DEFAULT_PATH) +endif() +find_program( HDF5_DIFF_EXECUTABLE + NAMES h5diff + HINTS ${HDF5_ROOT} + PATH_SUFFIXES bin Bin + ${SEARCH_OPTS} + DOC "HDF5 file differencing tool." ) +mark_as_advanced( HDF5_DIFF_EXECUTABLE ) + +if( NOT HDF5_FOUND ) + # seed the initial lists of libraries to find with items we know we need + set(HDF5_C_LIBRARY_NAMES hdf5) + set(HDF5_C_HL_LIBRARY_NAMES hdf5_hl) + + set(HDF5_CXX_LIBRARY_NAMES hdf5_cpp ${HDF5_C_LIBRARY_NAMES}) + set(HDF5_CXX_HL_LIBRARY_NAMES hdf5_hl_cpp ${HDF5_C_HL_LIBRARY_NAMES} ${HDF5_CXX_LIBRARY_NAMES}) + + set(HDF5_Fortran_LIBRARY_NAMES hdf5_fortran ${HDF5_C_LIBRARY_NAMES}) + set(HDF5_Fortran_HL_LIBRARY_NAMES hdf5hl_fortran ${HDF5_C_HL_LIBRARY_NAMES} ${HDF5_Fortran_LIBRARY_NAMES}) + + foreach(__lang IN LISTS HDF5_LANGUAGE_BINDINGS) + # find the HDF5 include directories + if(LANGUAGE STREQUAL "Fortran") + set(HDF5_INCLUDE_FILENAME hdf5.mod) + elseif(LANGUAGE STREQUAL "CXX") + set(HDF5_INCLUDE_FILENAME H5Cpp.h) + else() + set(HDF5_INCLUDE_FILENAME hdf5.h) + endif() + + find_path(HDF5_${__lang}_INCLUDE_DIR ${HDF5_INCLUDE_FILENAME} + HINTS ${HDF5_ROOT} + PATHS $ENV{HOME}/.local/include + PATH_SUFFIXES include Include + ${SEARCH_OPTS} + ) + mark_as_advanced(HDF5_${LANGUAGE}_INCLUDE_DIR) + list(APPEND HDF5_INCLUDE_DIRS ${HDF5_${__lang}_INCLUDE_DIR}) + + # find the HDF5 libraries + foreach(LIB IN LISTS HDF5_${__lang}_LIBRARY_NAMES) + if(UNIX AND HDF5_USE_STATIC_LIBRARIES) + # According to bug 1643 on the CMake bug tracker, this is the + # preferred method for searching for a static library. + # See https://gitlab.kitware.com/cmake/cmake/issues/1643. We search + # first for the full static library name, but fall back to a + # generic search on the name if the static search fails. + set( THIS_LIBRARY_SEARCH_DEBUG + lib${LIB}d.a lib${LIB}_debug.a ${LIB}d ${LIB}_debug + lib${LIB}d-static.a lib${LIB}_debug-static.a ${LIB}d-static ${LIB}_debug-static ) + set( THIS_LIBRARY_SEARCH_RELEASE lib${LIB}.a ${LIB} lib${LIB}-static.a ${LIB}-static) + else() + set( THIS_LIBRARY_SEARCH_DEBUG ${LIB}d ${LIB}_debug ${LIB}d-shared ${LIB}_debug-shared) + set( THIS_LIBRARY_SEARCH_RELEASE ${LIB} ${LIB}-shared) + endif() + find_library(HDF5_${LIB}_LIBRARY_DEBUG + NAMES ${THIS_LIBRARY_SEARCH_DEBUG} + HINTS ${HDF5_ROOT} PATH_SUFFIXES lib Lib + ${SEARCH_OPTS} + ) + find_library( HDF5_${LIB}_LIBRARY_RELEASE + NAMES ${THIS_LIBRARY_SEARCH_RELEASE} + HINTS ${HDF5_ROOT} PATH_SUFFIXES lib Lib + ${SEARCH_OPTS} + ) + select_library_configurations( HDF5_${LIB} ) + list(APPEND HDF5_${__lang}_LIBRARIES ${HDF5_${LIB}_LIBRARY}) + endforeach() + if(HDF5_${__lang}_LIBRARIES) + set(HDF5_${__lang}_FOUND True) + endif() + + # Append the libraries for this language binding to the list of all + # required libraries. + list(APPEND HDF5_LIBRARIES ${HDF5_${__lang}_LIBRARIES}) + + if(FIND_HL) + foreach(LIB IN LISTS HDF5_${__lang}_HL_LIBRARY_NAMES) + if(UNIX AND HDF5_USE_STATIC_LIBRARIES) + # According to bug 1643 on the CMake bug tracker, this is the + # preferred method for searching for a static library. + # See https://gitlab.kitware.com/cmake/cmake/issues/1643. We search + # first for the full static library name, but fall back to a + # generic search on the name if the static search fails. + set( THIS_LIBRARY_SEARCH_DEBUG + lib${LIB}d.a lib${LIB}_debug.a ${LIB}d ${LIB}_debug + lib${LIB}d-static.a lib${LIB}_debug-static.a ${LIB}d-static ${LIB}_debug-static ) + set( THIS_LIBRARY_SEARCH_RELEASE lib${LIB}.a ${LIB} lib${LIB}-static.a ${LIB}-static) + else() + set( THIS_LIBRARY_SEARCH_DEBUG ${LIB}d ${LIB}_debug ${LIB}d-shared ${LIB}_debug-shared) + set( THIS_LIBRARY_SEARCH_RELEASE ${LIB} ${LIB}-shared) + endif() + find_library(HDF5_${LIB}_LIBRARY_DEBUG + NAMES ${THIS_LIBRARY_SEARCH_DEBUG} + HINTS ${HDF5_ROOT} PATH_SUFFIXES lib Lib + ${SEARCH_OPTS} + ) + find_library( HDF5_${LIB}_LIBRARY_RELEASE + NAMES ${THIS_LIBRARY_SEARCH_RELEASE} + HINTS ${HDF5_ROOT} PATH_SUFFIXES lib Lib + ${SEARCH_OPTS} + ) + select_library_configurations( HDF5_${LIB} ) + list(APPEND HDF5_${__lang}_HL_LIBRARIES ${HDF5_${LIB}_LIBRARY}) + endforeach() + + # Append the libraries for this language binding to the list of all + # required libraries. + list(APPEND HDF5_HL_LIBRARIES ${HDF5_${__lang}_HL_LIBRARIES}) + endif() + endforeach() + if(FIND_HL AND HDF5_HL_LIBRARIES) + set(HDF5_HL_FOUND True) + endif() + + _HDF5_remove_duplicates_from_beginning(HDF5_INCLUDE_DIRS) + _HDF5_remove_duplicates_from_beginning(HDF5_LIBRARIES) + _HDF5_remove_duplicates_from_beginning(HDF5_HL_LIBRARIES) + + # 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 ) + set( HDF5_VERSION "" ) + foreach( _dir IN LISTS HDF5_INCLUDE_DIRS ) + foreach(_hdr "${_dir}/H5pubconf.h" "${_dir}/H5pubconf-64.h" "${_dir}/H5pubconf-32.h") + if( EXISTS "${_hdr}" ) + file( STRINGS "${_hdr}" + HDF5_HAVE_PARALLEL_DEFINE + REGEX "HAVE_PARALLEL 1" ) + if( HDF5_HAVE_PARALLEL_DEFINE ) + set( HDF5_IS_PARALLEL TRUE ) + endif() + unset(HDF5_HAVE_PARALLEL_DEFINE) + + file( STRINGS "${_hdr}" + HDF5_VERSION_DEFINE + REGEX "^[ \t]*#[ \t]*define[ \t]+H5_VERSION[ \t]+" ) + if( "${HDF5_VERSION_DEFINE}" MATCHES + "H5_VERSION[ \t]+\"([0-9]+\\.[0-9]+\\.[0-9]+)(-patch([0-9]+))?\"" ) + set( HDF5_VERSION "${CMAKE_MATCH_1}" ) + if( CMAKE_MATCH_3 ) + set( HDF5_VERSION ${HDF5_VERSION}.${CMAKE_MATCH_3}) + endif() + endif() + unset(HDF5_VERSION_DEFINE) + endif() + endforeach() + endforeach() + set( HDF5_IS_PARALLEL ${HDF5_IS_PARALLEL} CACHE BOOL + "HDF5 library compiled with parallel IO support" ) + mark_as_advanced( HDF5_IS_PARALLEL ) + + # For backwards compatibility we set HDF5_INCLUDE_DIR to the value of + # HDF5_INCLUDE_DIRS + if( HDF5_INCLUDE_DIRS ) + set( HDF5_INCLUDE_DIR "${HDF5_INCLUDE_DIRS}" ) + endif() + set(HDF5_REQUIRED_VARS HDF5_LIBRARIES HDF5_INCLUDE_DIRS) + if(FIND_HL) + list(APPEND HDF5_REQUIRED_VARS HDF5_HL_LIBRARIES) + endif() +endif() + +# If HDF5_REQUIRED_VARS is empty at this point, then it's likely that +# something external is trying to explicitly pass already found +# locations +if(NOT HDF5_REQUIRED_VARS) + set(HDF5_REQUIRED_VARS HDF5_LIBRARIES HDF5_INCLUDE_DIRS) +endif() + +find_package_handle_standard_args(HDF5 + REQUIRED_VARS ${HDF5_REQUIRED_VARS} + VERSION_VAR HDF5_VERSION + HANDLE_COMPONENTS +) |