question re boost instalation

From: Robert Ramey (ramey_at_[hidden])
Date: 2025-04-11 01:52:21

I'm following the "getting started" part of the boost documentation. 
When I get to here - I get some message I don't understand.  Anyone have 
any ideas?

Robert Ramey

$b2 install --prefix=bin/osx
/Users/robertramey/WorkingProjects/modular-boost/tools/build/src/build/property.jam:363: 
in validate1 from module property
error: Invalid property '<valgrind>on': unknown feature 'valgrind'.
/Users/robertramey/WorkingProjects/modular-boost/tools/build/src/build/property.jam:372: 
in property.validate from module property
/Users/robertramey/WorkingProjects/modular-boost/tools/build/src/tools/features/variant-feature.jam:102: 
in variant from module variant-feature
libs/beast/Jamfile:44: in modules.load from module 
Jamfile</Users/robertramey/WorkingProjects/modular-boost/libs/beast>
/Users/robertramey/WorkingProjects/modular-boost/tools/build/src/build/project.jam:544: 
in load-jamfile from module project
/Users/robertramey/WorkingProjects/modular-boost/tools/build/src/build/project.jam:68: 
in project.load from module project
Jamroot:450: in modules.load from module 
Jamfile</Users/robertramey/WorkingProjects/modular-boost>
/Users/robertramey/WorkingProjects/modular-boost/tools/build/src/build/project.jam:544: 
in load-jamfile from module project
/Users/robertramey/WorkingProjects/modular-boost/tools/build/src/build/project.jam:68: 
in load from module project
/Users/robertramey/WorkingProjects/modular-boost/tools/build/src/build/project.jam:201: 
in project.find from module project
/Users/robertramey/WorkingProjects/modular-boost/tools/build/src/build-system.jam:618: 
in module scope from module build-system
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