mirror of https://github.com/ecmwf/eccodes.git
62 lines
2.4 KiB
Plaintext
62 lines
2.4 KiB
Plaintext
How to build and install ecCodes library/tools
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================================================
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Building and installation has been tested on several platforms and with several compilers.
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However for some platforms modifications to the installation engine may be required.
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If you encounter any problems during the installation procedure please send an e-mail
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with your problem to:
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Software.Support@ecmwf.int
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Installation using CMake
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------------------------
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This is the recommended method of installation.
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However it requires that cmake be installed on your system.
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1. Download ecCodes from https://confluence.ecmwf.int/display/ECC/Releases
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2. Unpack distribution:
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> tar -xzf eccodes-x.y.z-Source.tar.gz
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3. Create a separate directory where to build ecCodes:
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> mkdir build
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> cd build
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4. Run cmake pointing to the source and specify the installation location:
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> cmake ../eccodes-x.y.z-Source -DCMAKE_INSTALL_PREFIX=/path/to/where/you/install/eccodes
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It is recommended that you always build in a clean directory and also install into a clean directory.
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5. Compile, test and install:
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> make
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> ctest
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> make install
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To add the Python3 bindings, use pip3 install from PyPI as follows:
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> pip3 install eccodes-python
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or
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> pip3 install --install-option="--prefix=/path/to/where/you/install/eccodes" eccodes-python
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You can also pass options to the cmake command above. Some typical examples are:
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-DENABLE_EXTRA_TESTS=ON Enable extended regression testing
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-DENABLE_NETCDF=ON Enable GRIB to netCDF conversion
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-DENABLE_ECCODES_THREADS=ON Enable POSIX threads
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-DENABLE_JPG=ON Enable JPEG encoding/decoding (for GRIB packing)
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-DCMAKE_Fortran_COMPILER=pgf90 Set Fortran compiler to Portland Group F90 compiler
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-DCMAKE_C_FLAGS="-O2 -Wall" Prepend the specified flags at the front
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of the compilation command for C source files
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By default the ctest step above does NOT require any data to be downloaded and only runs basic sanity tests.
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However if you wish to exercise more of the functionality of ecCodes, you are advised to configure the build with:
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> cmake ... -DENABLE_EXTRA_TESTS=ON
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In this mode the tests will take longer and you need to be connected to the internet so data files can be downloaded
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for the tests.
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For more details, please see:
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https://confluence.ecmwf.int/display/ECC/ecCodes+installation
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