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enhancements.md

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Enhancements in EasyBuild v5.0

(for a full overview of changes in EasyBuild v5.0, see here)

Various significant enhancements are included in EasyBuild v5.0, including:

  • [run_shell_cmd function][run_shell_cmd]
  • [Enable RPATH linking by default][rpath]
  • [Enable --trace by default][trace]

run_shell_cmd function { : #run_shell_cmd }

See dedicated page on the new run_shell_cmd function.

Enable RPATH linking by default {: #rpath }

[RPATH linking][rpath_support] is enabled by default in EasyBuild v5.0 (see easybuild-framework PR #4448).

The benefits for enabling RPATH are explained in [Why RPATH?][rpath_support_why].

This enhancement does not add any filtering of environment variables. This means $LD_LIBRARY_PATH will continue to be appended by the environment module files EasyBuild generates, unless it is configured to filter these variables (via --filter-env-vars). See also [Relation to $LD_LIBRARY_PATH][rpath_support_LD_LIBRARY_PATH]).

To disable RPATH linking, either:

  • Use the --disable-rpath command line option;

  • Set the $EASYBUILD_DISABLE_RPATH environment variable;

  • Disable RPATH linking in an EasyBuild configuration file:

    [override]
rpath=0

Enable --trace by default {: #trace }

The --trace option is enabled by default (see easybuild-framework PR #4250).

This makes the output produced by the eb command more informative, by providing more information about what's going on in the background.

To disable trace output, either:

  • Use the --disable-trace command line option;

  • Set the $EASYBUILD_DISABLE_TRACE environment variable;

  • Disable trace mode in a configuration file:

    [override]
trace=0