build: Use Link Time Optimization for Qt code on Linux #25542
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Last I checked this basically didn't work for anything other than x86_64 Linux, but if that's no-longer the case, that could be handy. |
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I tthink this could be useful even if it works only for x86_64 Linux. |
fanquake
reviewed
Jul 13, 2022
hebasto
changed the title
fanquake
reviewed
Jul 15, 2022
Otherwise it's autoconf endianess check will fail to determine what the endianess is..
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See: https://www.qt.io/blog/2019/01/02/qt-applications-lto
bitcon-qtunstripped size:LTO=1Based on the first commit from #25391.
Using LTO for macOS and Windows hosts has some issues which could be addressed in follow ups.
x86_64 build:
