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| -rw-r--r-- | meson.build | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/meson.build b/meson.build index 07bc23129a..05fb125dc2 100644 --- a/meson.build +++ b/meson.build @@ -1574,6 +1574,18 @@ if have_system endif endif +# For CFI, we need to compile slirp as a static library together with qemu. +# This is because we register slirp functions as callbacks for QEMU Timers. +# When using a system-wide shared libslirp, the type information for the +# callback is missing and the timer call produces a false positive with CFI. +# +# Now that slirp_opt has been defined, check if the selected slirp is compatible +# with control-flow integrity. +if get_option('cfi') and slirp_opt == 'system' + error('Control-Flow Integrity is not compatible with system-wide slirp.' \ + + ' Please configure with --enable-slirp=git') +endif + fdt = not_found fdt_opt = get_option('fdt') if have_system |