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Diffstat (limited to 'poky/documentation/test-manual/reproducible-builds.rst')
| -rw-r--r-- | poky/documentation/test-manual/reproducible-builds.rst | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/poky/documentation/test-manual/reproducible-builds.rst b/poky/documentation/test-manual/reproducible-builds.rst index 68fdf547bd..01980d083e 100644 --- a/poky/documentation/test-manual/reproducible-builds.rst +++ b/poky/documentation/test-manual/reproducible-builds.rst @@ -44,6 +44,18 @@ same. before finalizing your production images. It would be too late if you only address this issue when the first updates are required. +================ +How to enable it +================ + +You can enable build reproducibility by inheriting the +:ref:`reproducible-build <ref-classes-reproducible-build>` class +in the configuration for your distribution. + +This is what the Poky reference distribution does:: + + INHERIT += "reproducible_build" + =================== How we implement it =================== @@ -53,7 +65,7 @@ things we do within the build system to ensure reproducibility include: - Adding mappings to the compiler options to ensure debug filepaths are mapped to consistent target compatible paths. This is done through the - ``DEBUG_PREFIX_MAP`` variable which sets the ``-fmacro-prefix-map`` and + :term:`DEBUG_PREFIX_MAP` variable which sets the ``-fmacro-prefix-map`` and ``-fdebug-prefix-map`` compiler options correctly to map to target paths. - Being explicit about recipe dependencies and their configuration (no floating configure options or host dependencies creeping in). In particular this means |