Extending GNU Make With Custom Fingerprints to Reduce Redundant Recompilation

• Typ der Arbeit: Bachelorarbeit
• Status der Arbeit: abgeschlossen
• Projekte: CADOS
• Betreuer: Tobias Landsberg, Daniel Lohmann
• Bearbeiter: Sergej Reich

By default, every time a developer changes some part of a project's source code, all code has to be (re-)compiled. Since this approach consumes a lot of time and energy, there are tools that try to reduce the number of redundant compilations. For example, the make tool re-executes a (build-)step only if at least one input dependency has a newer timestamp than the output artifact. However, a change does not have to affect the program, e.g., a changed comment, but make does not support other metrics.

The goal of this thesis is to extend make to support generic metrics and evaluate it using various C/C++ open-source software projects. Ideally, in the end, a purely cosmetic change to a central source file should not lead to a re-execution of the linker.

Related Publications

USENIX Conference A Best Paper Award
cHash: Detection of Redundant Compilations via AST Hashing

Christian Dietrich, Valentin Rothberg, Ludwig Füracker, Andreas Ziegler, Daniel LohmannProceedings of the 2017 USENIX Annual Technical Conference (USENIX '17)USENIX Association2017Best Paper Award.
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BibTex Entry

@inproceedings{dietrich:17:usenix,
location = {Berkeley, CA, USA},
author = {Christian Dietrich and Valentin Rothberg and Ludwig Füracker and Andreas Ziegler and Daniel Lohmann},
booktitle = {Proceedings of the 2017 USENIX Annual Technical Conference (USENIX '17)},
entrysubtype = {Conference},
isbn = {9781931971386},
location = {Santa Clara, CA, USA},
month = {July},
publisher = {USENIX Association},
title = {{cHash:} Detection of Redundant Compilations via {AST} Hashing},
url = {https://www.usenix.org/conference/atc17/technical-sessions/presentation/dietrich},
venue = {Santa Clara, CA, USA},
year = {2017},
}

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