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255 lines
10 KiB
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255 lines
10 KiB
Plaintext
************************************************************************
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* Build and Install HDF5 Applications with CMake *
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************************************************************************
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Notes: This short instruction is written for users who want to quickly
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build HDF5 applications using the CMake tools. Users can adapt
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these instructions for their own applications. For more information,
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see the "Minimum C Project Files for CMake" section.
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More information about using CMake can be found at the KitWare
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site, www.cmake.org.
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CMake uses the command line; however, the visual CMake tool is
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available for the configuration step. The steps are similar for
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all of the operating systems supported by CMake.
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NOTES:
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1. Using CMake for building and using HDF5 is under active
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development. While we have attempted to provide error-free
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files, please understand that development with CMake has not
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been extensively tested outside of HDF. The CMake specific
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files may change before the next release.
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2. CMake for HDF5 development should be usable on any system
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where CMake is supported. Please send us any comments on how
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CMake support can be improved on any system.
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3. See the appendix at the bottom of this file for an example
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of using a ctest script for building and testing. See
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INSTALL_CMake.txt for more information.
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4. See https://cmake.org/cmake/help/latest/command/find_package.html
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for more information on the CMake "Config Mode Search Procedure".
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========================================================================
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I. Preconditions
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========================================================================
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1. We suggest you obtain the latest CMake for your platform from the Kitware
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web site. The HDF5 1.13.x product requires a minimum CMake version
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of 3.18. If you are using VS2022, the minimum version is 3.21.
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2. You have installed the HDF5 library built with CMake, by executing
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the HDF Install Utility (the *.msi file in the binary package for
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Windows or the *.sh on Linux). You can obtain pre-built binaries
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from The HDF Group's website at www.hdfgroup.org.
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3. Set the HDF5_ROOT CMake variable, -DHDF5_ROOT=<install_path>
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or environment variable, set(ENV{HDF5_ROOT} "<install_path>")
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to the installed location of HDF5.
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On Windows:
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HDF5_ROOT=C:/Program Files/HDF_Group/HDF5/1.13.x/
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On unix:
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HDF5_ROOT=<install root folder>/HDF_Group/HDF5/1.13.x/
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If you are using shared libraries, you may need to add to the path
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environment variable. Set the path environment variable to the
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installed location of the library files for HDF5.
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On Windows (*.dll):
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PATH=%PATH%;C:/Program Files/HDF_Group/HDF5/1.13.x/bin
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On unix (*.so):
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LD_LIBRARY_PATH=$LD_LIBRARY_PATH:<install root folder>/HDF_Group/HDF5/1.13.x/lib
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If you are using filter plugin libraries, you will need to set the
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HDF5_PLUGIN_PATH environment variable.
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On Windows:
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HDF5_PLUGIN_PATH=C:/Program Files/HDF_Group/HDF5/1.13.x/lib/plugin
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On unix:
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HDF5_PLUGIN_PATH=<install root folder>/HDF_Group/HDF5/1.13.x/lib/plugin
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(Note there are no quote characters used on Windows and all platforms
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use forward slashes)
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4. Created separate source and build directories.
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(CMake commands are executed in the build directory)
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5. Created a CMakeLists.txt file(s) for your source. See Section III
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below.
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========================================================================
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II. Building HDF5 Applications with CMake
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========================================================================
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Go through these steps to build HDF5 applications with CMake.
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(The application must support building with CMake.)
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1. Run CMake
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2. Configure the cache settings
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3. Build HDF5 Applications
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4. Test HDF5 Applications
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These steps are described in more detail below.
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1. Run CMake
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The visual CMake executable is named "cmake-gui.exe" on Windows and should be
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available in your Start menu. For Linux, UNIX, and Mac users the
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executable is named "cmake-gui" and can be found where CMake was
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installed.
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Specify the source and build directories. Make the build and source
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directories different. For example on Windows, if the source is at
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c:\MyHDFstuff\hdf5, then use c:\MyHDFstuff\hdf5\build or
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c:\MyHDFstuff\build\hdf5 for the build directory.
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PREFERRED:
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Users can perform the configuration step without using the visual
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cmake-gui program. The following is an example command line
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configuration step executed within the build directory:
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cmake -G "<generator>" [-D<options>] <sourcepath>
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Where <generator> is
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* MinGW Makefiles
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* NMake Makefiles
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* Unix Makefiles
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* Visual Studio 14 2015
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* Visual Studio 14 2015 Win64
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* Visual Studio 15 2017
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* Visual Studio 15 2017 Win64
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* Visual Studio 16 2019
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* ... in addition VS2019 will need to set the "-A" option,
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* ... [Win32, x64, ARM, ARM64]
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<options> is:
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* BUILD_TESTING:BOOL=ON
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* BUILD_SHARED_LIBS:BOOL=[ON | OFF]
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2. Configure the cache settings
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2.1 Visual CMake users, click the Configure button. If this is the first time you are
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running cmake-gui in this directory, you will be prompted for the
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generator you wish to use (for example on Windows, Visual Studio 14 2015 Win64).
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CMake will read in the CMakeLists.txt files from the source directory and
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display options for the HDF5 project. After the first configure you
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can adjust the cache settings and/or specify locations of other programs.
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Any conflicts or new values will be highlighted by the configure
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process in red. Once you are happy with all the settings and there are no
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more values in red, click the Generate button to produce the appropriate
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build files.
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On Windows, if you are using a Visual Studio generator, the solution and
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project files will be created in the build folder.
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On linux, if you are using the Unix Makefiles generator, the Makefiles will
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be created in the build folder.
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2.2 Alternative command line example on Windows in c:\MyHDFstuff\hdf5\build directory:
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cmake -G "Visual Studio 14 2015 Win64" -DBUILD_TESTING:BOOL=ON ..
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3. Build HDF5 Applications
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On Windows, you can build HDF5 applications using either the Visual Studio Environment
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or the command line. The command line is normally used on linux, Unix, and Mac.
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To build from the command line, navigate to your build directory and
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execute the following:
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cmake --build . --config {Debug | Release}
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NOTE: "--config {Debug | Release}" may be optional on your platform. We
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recommend choosing either Debug or Release on Windows. If you are
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using the pre-built binaries from HDF, use Release.
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3.1 If you wish to use the Visual Studio environment, open the solution
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file in your build directory. Be sure to select either Debug or
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Release and build the solution.
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4. Test HDF5 Applications
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To test the build, navigate to your build directory and execute:
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ctest . -C {Debug | Release}
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NOTE: "-C {Debug | Release}" may be optional on your platform. We
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recommend choosing either Debug or Release to match the build
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step on Windows.
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5. The files that support building with CMake are all of the files in the
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config/cmake folder, the CMakeLists.txt files in each source folder, and
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CTestConfig.cmake. CTestConfig.cmake is specific to the internal testing
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performed by The HDF Group. It should be altered for the user's
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installation and needs. The cacheinit.cmake file settings are used by
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The HDF Group for daily testing. It should be altered/ignored for the user's
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installation and needs.
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========================================================================
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III. Minimum C Project Files for CMake
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========================================================================
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Given the preconditions in section I, create a CMakeLists.txt file at the
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source root. Include the following text in the file:
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##########################################################
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cmake_minimum_required (VERSION 3.18)
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project (HDF5MyApp C CXX)
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set (LIB_TYPE STATIC) # or SHARED
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string(TOLOWER ${LIB_TYPE} SEARCH_TYPE)
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find_package (HDF5 NAMES hdf5 COMPONENTS C ${SEARCH_TYPE})
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# find_package (HDF5) # Find non-cmake built HDF5
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set_directory_properties(PROPERTIES INCLUDE_DIRECTORIES "${HDF5_INCLUDE_DIR}")
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set (LINK_LIBS ${LINK_LIBS} ${HDF5_C_${LIB_TYPE}_LIBRARY})
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set (example hdf_example)
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add_executable (${example} ${PROJECT_SOURCE_DIR}/${example}.c)
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TARGET_C_PROPERTIES (${example} PRIVATE ${LIB_TYPE})
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target_link_libraries (${example} ${LINK_LIBS})
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enable_testing ()
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include (CTest)
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add_test (NAME test_example COMMAND ${example})
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##########################################################
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========================================================================
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IV. APPENDIX
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========================================================================
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Below is an example of a ctest script that can be used to build the examples.
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Adjust the values as necessary. Note that the defaults can be entered on the
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command line and the build folder is created as a sub-folder. Windows should
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adjust the forward slash to double backslashes, except for the HDF_DIR
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environment variable.
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NOTE: this file is available at the HDF web site:
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https://portal.hdfgroup.org/display/support/Building+HDF5+with+CMake
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HDF5_Examples.cmake
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HDF5_Examples_options.cmake
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Also available at the HDF web site is a CMake application framework template.
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You can quickly add files to the framework and execute the script to compile
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your application with an installed HDF5 binary.
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========================================================================
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For further assistance, send email to help@hdfgroup.org
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========================================================================
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