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Replacement for 'make'

'Jam' is a 'make' replacement that runs on over 50 platforms; most Jamfiles are themselves portable. Because Jam understands C/C++ dependencies, you need not declare header or object files. The built-in Jam rule "Main" handles header file dependencies and object files both automatically and on-the-fly. Before any targets are updated, Jam gathers complete dependency information for C/C++ source files. This lets Jam build as much as possible, instead of stopping on the first build error, avoid building targets if targets on which they depend fail to build, and build across parallel paths with multiple, concurrent processes.


User tutorial available in PDF format from; User manpage available in HTML format from; User guide available in HTML format from


Download version 2.6 (stable)
released on 7 August 2014

See for a list of companies offering technical support, training, and consulting


Related Projects


LicenseVerified byVerified onNotes
BSD 2ClauseJanet Casey20 August 2004

Leaders and contributors

Christopher Seiwald Maintainer

Resources and communication

Audience Resource type URI
Bug Tracking,Developer,Support E-mail

Software prerequisites

This entry (in part or in whole) was last reviewed on 15 February 2017.


Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.3 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license is included in the page “GNU Free Documentation License”.

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