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| author | Loganaden Velvindron <logan@hackers.mu> | 2018-02-16 19:35:32 +0400 |
|---|---|---|
| committer | Loganaden Velvindron <logan@hackers.mu> | 2018-02-16 19:35:32 +0400 |
| commit | 8c2b5076adf899e39161deaa1be258fb588b124d (patch) | |
| tree | 871fdca45c26c7936679c9ff312c117b1b34f1ba /configure.ac | |
| parent | 98e63e5cde1c7063f4e1aaba0980a4b54d576bed (diff) | |
| download | dropbear-8c2b5076adf899e39161deaa1be258fb588b124d.tar.gz | |
Add Spectre v2 mitigations for GCC (#54)
Diffstat (limited to 'configure.ac')
| -rw-r--r-- | configure.ac | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/configure.ac b/configure.ac index 0e71ffd..f8d1b17 100644 --- a/configure.ac +++ b/configure.ac @@ -110,6 +110,11 @@ if test "$hardenbuild" -eq 1; then ) # FORTIFY_SOURCE DB_TRYADDCFLAGS([-D_FORTIFY_SOURCE=2]) + + # Spectre v2 mitigations + DB_TRYADDCFLAGS([-mfunction-return=thunk]) + DB_TRYADDCFLAGS([-mindirect-branch=thunk]) + fi # large file support is useful for scp |