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Diffstat (limited to 'poky/documentation/test-manual/reproducible-builds.rst')
| -rw-r--r-- | poky/documentation/test-manual/reproducible-builds.rst | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/poky/documentation/test-manual/reproducible-builds.rst b/poky/documentation/test-manual/reproducible-builds.rst index e13583c0b..68fdf547b 100644 --- a/poky/documentation/test-manual/reproducible-builds.rst +++ b/poky/documentation/test-manual/reproducible-builds.rst @@ -68,6 +68,17 @@ things we do within the build system to ensure reproducibility include: - Filtering the tools available from the host's ``PATH`` to only a specific set of tools, set using the :term:`HOSTTOOLS` variable. +.. note:: + + Because of an open bug in GCC, using ``DISTRO_FEATURES:append = " lto"`` or + adding ``-flto`` (Link Time Optimization) to ``CFLAGS`` makes the resulting + binary non-reproducible, in that it depends on the full absolute build path + to ``recipe-sysroot-native``, so installing the Yocto Project in a different + directory results in a different binary. + + This issue is addressed by + :yocto_bugs:`bug 14481 - Programs built with -flto are not reproducible</show_bug.cgi?id=14481>`. + ========================================= Can we prove the project is reproducible? ========================================= |