In file included from /Users/runner/runners/2.169.0/work/solofng/solofng/src/base/math.h:6:
/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk/usr/include/stdlib.h:134:25: error: pointer is missing a nullability type specifier (_Nonnull, _Nullable, or _Null_unspecified) [-Werror,-Wnullability-completeness]
double   atof(const char *);