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Diffstat (limited to 'tools/buildman/buildman.rst')
-rw-r--r-- | tools/buildman/buildman.rst | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/tools/buildman/buildman.rst b/tools/buildman/buildman.rst index 11c72141791..800b83a89de 100644 --- a/tools/buildman/buildman.rst +++ b/tools/buildman/buildman.rst @@ -1123,6 +1123,20 @@ toolchain. For example: buildman -O clang-7 --board sandbox +Building without LTO +-------------------- + +Link-time optimisation (LTO) is designed to reduce code size by globally +optimising the U-Boot build. Unfortunately this can dramatically slow down +builds. This is particularly noticeable when running a lot of builds. + +Use the -L (--no-lto) flag to disable LTO. + +.. code-block:: bash + + buildman -L --board sandbox + + Doing a simple build -------------------- |