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There are installation instructions for version 1.9 and up http://wwwasd.web.cern.ch/wwwasd/lhc++/clhep/INSTALLATION/newCLHEP-install.html.
But you should not need them to setup the package.
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Confluence will be unusable 23-July-2024 at 06:00 due to a Crowd upgrade.
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There are installation instructions for version 1.9 and up http://wwwasd.web.cern.ch/wwwasd/lhc++/clhep/INSTALLATION/newCLHEP-install.html.
But you should not need them to setup the package.
...