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meson: refuse -ffinite-math-only

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Closes #23610.
This commit is contained in:
Yu Watanabe 2022-07-18 05:02:48 +09:00
parent 1561db8ac2
commit 60f97fee2d
1 changed files with 5 additions and 0 deletions
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@ -390,6 +390,11 @@ possible_common_cc_flags = [
c_args = get_option('c_args')
# Our json library does not support -ffinite-math-only, which is enabled by -Ofast or -ffast-math.
if (('-Ofast' in c_args or '-ffast-math' in c_args or '-ffinite-math-only' in c_args) and not '-fno-finite-math-only' in c_args)
error('-Ofast, -ffast-math, or -ffinite-math-only is specified in c_args.')
endif
# Disable -Wmaybe-uninitialized when compiling with -Os/-O1/-O3/etc. There are
# too many false positives with gcc >= 8. Effectively, we only test with -O0
# and -O2; this should be enough to catch most important cases without too much