Revert "Check for nonnull attribute in configure"
This reverts commit 54eb51d72bc43f90b595f0d7ffb5069ebf1a56d9.
Windows build failure. See also https://github.com/ruby/ruby/runs/278718805
Added by shyouhei (Shyouhei Urabe) about 6 years ago
Revert "Check for nonnull attribute in configure"
This reverts commit 54eb51d72bc43f90b595f0d7ffb5069ebf1a56d9.
Windows build failure. See also https://github.com/ruby/ruby/runs/278718805