[issue39961] warning: this use of "defined" may not be portable (Mac OS)

Clem Wang added the comment: Oops: forgot version numbers MacOS Catalina (10.15.13 19D76) 2.6 Ghz 6-Code Intel i7 32 GB RAM Homebrew 2.2.10 Homebrew/homebrew-core (git revision 58c0; last commit 2020-03-13) Homebrew/homebrew-cask (git revision ab52c7; last commit 2020-03-14) Not sure

[issue39961] warning: this use of "defined" may not be portable (Mac OS)

New submission from Clem Wang : pyenv install 3.8.2 results in: BUILD FAILED (OS X 10.15.3 using python-build 20180424) Inspect or clean up the working tree at /var/folders/jy/10md97xn3mz_x_b42l1r2r8cgp/T/python-build.20200313154805.37448 Results logged to /var/folders/jy