configure: WARNING: unrecognized options: --without-gcc Configured with: --prefix=/Applications/Xcode-11.app/Contents/Developer/usr --with-gxx-include-dir=/Applications/Xcode-11.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.15.sdk/usr/include/c++/4.2.1 configure: WARNING: unrecognized options: --without-gcc clang: error: unable to execute command: Terminated: 15 clang: error: clang frontend command failed due to signal (use -v to see invocation) Apple clang version 11.0.0 (clang-1100.0.33.8) Target: x86_64-apple-darwin18.7.0 Thread model: posix InstalledDir: /Applications/Xcode-11.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin clang: note: diagnostic msg: PLEASE submit a bug report to http://developer.apple.com/bugreporter/ and include the crash backtrace, preprocessed source, and associated run script. make: *** [Objects/unicodeobject.o] Terminated: 15 cpython/3.9.0: ERROR: Package '37e3b47d352afe5bd951affd9b4d930b262a94e8' build failed cpython/3.9.0: WARN: Build folder /Users/jenkins/w/cci_PR-1510@3/.conan/data/cpython/3.9.0/_/_/build/37e3b47d352afe5bd951affd9b4d930b262a94e8 ERROR: Exiting with code: 5