Attempt at reproducible builds #6394
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Dropping this from v6.0.0. No bandwidth to work on it at the moment. |
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Issue Addressed
Closes:
Proposed Changes
make reproducible. This is tested and working on Linux x86_64 and macOS aarch64.crossbuilds to build in a reproducible way by default.lighthouse --version.The key insight is setting
SOURCE_DATE_EPOCHso OpenSSL doesn't include the build time in the binary. Thanks @jmcph4 for helping work this out.Limitations
There is no reproducibility between builds outside
crossand builds withincross. The binary diff is large and I haven't worked out what it could be (yet). It might be due to differentlibcversions.