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Add Spectre v2 mitigations for GCC (#54)

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Loganaden Velvindron 2018-02-16 19:35:32 +04:00 committed by Matt Johnston
parent 3a923b72a4
commit 017e2f07a7
1 changed files with 5 additions and 0 deletions
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5
configure.ac
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@ -110,6 +110,11 @@ if test "$hardenbuild" -eq 1; then
) )
# FORTIFY_SOURCE # FORTIFY_SOURCE
DB_TRYADDCFLAGS([-D_FORTIFY_SOURCE=2]) DB_TRYADDCFLAGS([-D_FORTIFY_SOURCE=2])
# Spectre v2 mitigations
DB_TRYADDCFLAGS([-mfunction-return=thunk])
DB_TRYADDCFLAGS([-mindirect-branch=thunk])
fi fi
# large file support is useful for scp # large file support is useful for scp