title: Can't install Python 3.10.0 with pyenv on MacOS
body: <p>Trying to install Python 3.10.0 on MacOS 11.6 (Intel) with pyenv 2.1.0 (from homebrew) fails with:</p>
  <pre><code>python-build: use openssl@1.1 from homebrew
  python-build: use readline from homebrew
  Downloading Python-3.10.0.tar.xz...
  -&gt; https://www.python.org/ftp/python/3.10.0/Python-3.10.0.tar.xz
  Installing Python-3.10.0...
  python-build: use tcl-tk from homebrew
  python-build: use readline from homebrew
  python-build: use zlib from xcode sdk
  
  BUILD FAILED (OS X 11.6 using python-build 20180424)
  
  Inspect or clean up the working tree at /var/folders/rk/_qysk9hs40qcq14h44l57wch0000gn/T/python-build.20211006114013.40649
  Results logged to /var/folders/rk/_qysk9hs40qcq14h44l57wch0000gn/T/python-build.20211006114013.40649.log
  
  Last 10 log lines:
  checking MACHDEP... &quot;darwin&quot;
  checking for gcc... clang
  checking whether the C compiler works... yes
  checking for C compiler default output file name... a.out
  checking for suffix of executables... 
  checking whether we are cross compiling... configure: error: in `/var/folders/rk/_qysk9hs40qcq14h44l57wch0000gn/T/python-build.20211006114013.40649/Python-3.10.0':
  configure: error: cannot run C compiled programs.
  If you meant to cross compile, use `--host'.
  See `config.log' for more details
  make: *** No targets specified and no makefile found.  Stop.
  </code></pre>
  <p>The config.log in the build folder contains:</p>
  <pre><code>This file contains any messages produced by compilers while
  running configure, to aid debugging if configure makes a mistake.
  
  It was created by python configure 3.10, which was
  generated by GNU Autoconf 2.69.  Invocation command line was
  
    $ ./configure --prefix=/Users/jonas.obrist/.pyenv/versions/3.10.0 --libdir=/Users/jonas.obrist/.pyenv/versions/3.10.0/lib --with-openssl=/usr/local/opt/openssl@1.1 --with-tcltk-libs=-L/usr/local/opt/tcl-tk/lib -ltcl8.6 -ltk8.6 --with-tcltk-includes=-I/usr/local/opt/tcl-tk/include
  
  ## --------- ##
  ## Platform. ##
  ## --------- ##
  
  hostname = Jonas-MBP-2018.local
  uname -m = x86_64
  uname -r = 20.6.0
  uname -s = Darwin
  uname -v = Darwin Kernel Version 20.6.0: Mon Aug 30 06:12:21 PDT 2021; root:xnu-7195.141.6~3/RELEASE_X86_64
  
  /usr/bin/uname -p = i386
  /bin/uname -X     = unknown
  
  /bin/arch              = unknown
  /usr/bin/arch -k       = unknown
  /usr/convex/getsysinfo = unknown
  /usr/bin/hostinfo      = Mach kernel version:
       Darwin Kernel Version 20.6.0: Mon Aug 30 06:12:21 PDT 2021; root:xnu-7195.141.6~3/RELEASE_X86_64
  Kernel configured for up to 12 processors.
  6 processors are physically available.
  12 processors are logically available.
  Processor type: x86_64h (Intel x86-64h Haswell)
  Processors active: 0 1 2 3 4 5 6 7 8 9 10 11
  Primary memory available: 32.00 gigabytes
  Default processor set: 614 tasks, 3158 threads, 12 processors
  Load average: 2.13, Mach factor: 9.85
  /bin/machine           = unknown
  /usr/bin/oslevel       = unknown
  /bin/universe          = unknown
  
  PATH: /usr/local/Cellar/pyenv/HEAD-483d95d/libexec
  PATH: /usr/local/Cellar/pyenv/HEAD-483d95d/plugins/python-build/bin
  PATH: /Users/jonas.obrist/.poetry/bin
  PATH: /Users/jonas.obrist/.rbenv/shims
  PATH: /usr/local/opt/llvm/bin
  PATH: /usr/local/opt/libxml2/bin
  PATH: /Users/jonas.obrist/.poetry/bin/
  PATH: /Users/jonas.obrist/.cargo/bin
  PATH: /Users/jonas.obrist/.local/bin
  PATH: /Users/jonas.obrist/.fastlane/bin
  PATH: /Users/jonas.obrist/.gem/bin
  PATH: /Users/jonas.obrist/.pyenv/shims
  PATH: /Users/jonas.obrist/.pyenv/bin
  PATH: /usr/local/bin
  PATH: /usr/bin
  PATH: /bin
  PATH: /usr/sbin
  PATH: /sbin
  PATH: /Library/Apple/usr/bin
  PATH: /Users/jonas.obrist/go/bin
  
  
  ## ----------- ##
  ## Core tests. ##
  ## ----------- ##
  
  configure:2878: checking build system type
  configure:2892: result: x86_64-apple-darwin20.6.0
  configure:2912: checking host system type
  configure:2925: result: x86_64-apple-darwin20.6.0
  configure:2955: checking for python3.10
  configure:2971: found /Users/jonas.obrist/.pyenv/shims/python3.10
  configure:2982: result: python3.10
  configure:3076: checking for --enable-universalsdk
  configure:3123: result: no
  configure:3147: checking for --with-universal-archs
  configure:3162: result: no
  configure:3318: checking MACHDEP
  configure:3369: result: &quot;darwin&quot;
  configure:3653: checking for gcc
  configure:3680: result: clang
  configure:3909: checking for C compiler version
  configure:3918: clang --version &gt;&amp;5
  Homebrew clang version 12.0.1
  Target: x86_64-apple-darwin20.6.0
  Thread model: posix
  InstalledDir: /usr/local/opt/llvm/bin
  configure:3929: $? = 0
  configure:3918: clang -v &gt;&amp;5
  Homebrew clang version 12.0.1
  Target: x86_64-apple-darwin20.6.0
  Thread model: posix
  InstalledDir: /usr/local/opt/llvm/bin
  configure:3929: $? = 0
  configure:3918: clang -V &gt;&amp;5
  clang-12: error: argument to '-V' is missing (expected 1 value)
  clang-12: error: no input files
  configure:3929: $? = 1
  configure:3918: clang -qversion &gt;&amp;5
  clang-12: error: unknown argument '-qversion'; did you mean '--version'?
  clang-12: error: no input files
  configure:3929: $? = 1
  configure:3949: checking whether the C compiler works
  configure:3971: clang -I/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/usr/include   -I/usr/local/opt/readline/include -I/usr/local/opt/readline/include -I/Users/jonas.obrist/.pyenv/versions/3.10.0/include -I/usr/local/opt/openssl/include -L/usr/local/opt/readline/lib -L/usr/local/opt/readline/lib -L/Users/jonas.obrist/.pyenv/versions/3.10.0/lib -L/usr/local/opt/openssl/lib -L/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/usr/lib conftest.c  &gt;&amp;5
  ld: warning: directory not found for option '-L/Users/jonas.obrist/.pyenv/versions/3.10.0/lib'
  configure:3975: $? = 0
  configure:4023: result: yes
  configure:4026: checking for C compiler default output file name
  configure:4028: result: a.out
  configure:4034: checking for suffix of executables
  configure:4041: clang -o conftest -I/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/usr/include   -I/usr/local/opt/readline/include -I/usr/local/opt/readline/include -I/Users/jonas.obrist/.pyenv/versions/3.10.0/include -I/usr/local/opt/openssl/include -L/usr/local/opt/readline/lib -L/usr/local/opt/readline/lib -L/Users/jonas.obrist/.pyenv/versions/3.10.0/lib -L/usr/local/opt/openssl/lib -L/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/usr/lib conftest.c  &gt;&amp;5
  ld: warning: directory not found for option '-L/Users/jonas.obrist/.pyenv/versions/3.10.0/lib'
  configure:4045: $? = 0
  configure:4067: result: 
  configure:4089: checking whether we are cross compiling
  configure:4097: clang -o conftest -I/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/usr/include   -I/usr/local/opt/readline/include -I/usr/local/opt/readline/include -I/Users/jonas.obrist/.pyenv/versions/3.10.0/include -I/usr/local/opt/openssl/include -L/usr/local/opt/readline/lib -L/usr/local/opt/readline/lib -L/Users/jonas.obrist/.pyenv/versions/3.10.0/lib -L/usr/local/opt/openssl/lib -L/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/usr/lib conftest.c  &gt;&amp;5
  In file included from conftest.c:8:
  In file included from /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/usr/include/stdio.h:64:
  /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/usr/include/_stdio.h:93:16: warning: pointer is missing a nullability type specifier (_Nonnull, _Nullable, or _Null_unspecified) [-Wnullability-completeness]
          unsigned char   *_base;
                          ^
  /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/usr/include/_stdio.h:93:16: note: insert '_Nullable' if the pointer may be null
          unsigned char   *_base;
                          ^
                            _Nullable 
  /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/usr/include/_stdio.h:93:16: note: insert '_Nonnull' if the pointer should never be null
          unsigned char   *_base;
                          ^
                            _Nonnull 
  /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/usr/include/_stdio.h:138:32: warning: pointer is missing a nullability type specifier (_Nonnull, _Nullable, or _Null_unspecified) [-Wnullability-completeness]
          int     (* _Nullable _read) (void *, char *, int);
                                            ^
  /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/usr/include/_stdio.h:138:32: note: insert '_Nullable' if the pointer may be null
          int     (* _Nullable _read) (void *, char *, int);
                                            ^
                                             _Nullable
  /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/usr/include/_stdio.h:138:32: note: insert '_Nonnull' if the pointer should never be null
          int     (* _Nullable _read) (void *, char *, int);
                                            ^
                                             _Nonnull
  /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/usr/include/_stdio.h:138:40: warning: pointer is missing a nullability type specifier (_Nonnull, _Nullable, or _Null_unspecified) [-Wnullability-completeness]
          int     (* _Nullable _read) (void *, char *, int);
                                                    ^
  /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/usr/include/_stdio.h:138:40: note: insert '_Nullable' if the pointer may be null
          int     (* _Nullable _read) (void *, char *, int);
                                                    ^
                                                     _Nullable
  /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/usr/include/_stdio.h:138:40: note: insert '_Nonnull' if the pointer should never be null
          int     (* _Nullable _read) (void *, char *, int);
                                                    ^
                                                     _Nonnull
  /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/usr/include/_stdio.h:139:35: warning: pointer is missing a nullability type specifier (_Nonnull, _Nullable, or _Null_unspecified) [-Wnullability-completeness]
          fpos_t  (* _Nullable _seek) (void *, fpos_t, int);
                                            ^
  /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/usr/include/_stdio.h:139:35: note: insert '_Nullable' if the pointer may be null
          fpos_t  (* _Nullable _seek) (void *, fpos_t, int);
                                            ^
                                             _Nullable
  /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/usr/include/_stdio.h:139:35: note: insert '_Nonnull' if the pointer should never be null
          fpos_t  (* _Nullable _seek) (void *, fpos_t, int);
                                            ^
                                             _Nonnull
  /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/usr/include/_stdio.h:140:32: warning: pointer is missing a nullability type specifier (_Nonnull, _Nullable, or _Null_unspecified) [-Wnullability-completeness]
          int     (* _Nullable _write)(void *, const char *, int);
                                            ^
  /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/usr/include/_stdio.h:140:32: note: insert '_Nullable' if the pointer may be null
          int     (* _Nullable _write)(void *, const char *, int);
                                            ^
                                             _Nullable
  /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/usr/include/_stdio.h:140:32: note: insert '_Nonnull' if the pointer should never be null
          int     (* _Nullable _write)(void *, const char *, int);
                                            ^
                                             _Nonnull
  /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/usr/include/_stdio.h:140:46: warning: pointer is missing a nullability type specifier (_Nonnull, _Nullable, or _Null_unspecified) [-Wnullability-completeness]
          int     (* _Nullable _write)(void *, const char *, int);
                                                          ^
  /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/usr/include/_stdio.h:140:46: note: insert '_Nullable' if the pointer may be null
          int     (* _Nullable _write)(void *, const char *, int);
                                                          ^
                                                           _Nullable
  /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/usr/include/_stdio.h:140:46: note: insert '_Nonnull' if the pointer should never be null
          int     (* _Nullable _write)(void *, const char *, int);
                                                          ^
                                                           _Nonnull
  /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/usr/include/_stdio.h:144:18: warning: pointer is missing a nullability type specifier (_Nonnull, _Nullable, or _Null_unspecified) [-Wnullability-completeness]
          struct __sFILEX *_extra; /* additions to FILE to not break ABI */
                          ^
  /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/usr/include/_stdio.h:144:18: note: insert '_Nullable' if the pointer may be null
          struct __sFILEX *_extra; /* additions to FILE to not break ABI */
                          ^
                            _Nullable 
  /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/usr/include/_stdio.h:144:18: note: insert '_Nonnull' if the pointer should never be null
          struct __sFILEX *_extra; /* additions to FILE to not break ABI */
                          ^
                            _Nonnull 
  In file included from conftest.c:8:
  /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/usr/include/stdio.h:220:5: error: 'TARGET_OS_IPHONE' is not defined, evaluates to 0 [-Werror,-Wundef-prefix=TARGET_OS_]
  #if TARGET_OS_IPHONE
      ^
  /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/usr/include/stdio.h:67:13: warning: pointer is missing a nullability type specifier (_Nonnull, _Nullable, or _Null_unspecified) [-Wnullability-completeness]
  extern FILE *__stdinp;
              ^
  /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/usr/include/stdio.h:67:13: note: insert '_Nullable' if the pointer may be null
  extern FILE *__stdinp;
              ^
                _Nullable 
  /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/usr/include/stdio.h:67:13: note: insert '_Nonnull' if the pointer should never be null
  extern FILE *__stdinp;
              ^
                _Nonnull 
  /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/usr/include/stdio.h:386:41: warning: pointer is missing a nullability type specifier (_Nonnull, _Nullable, or _Null_unspecified) [-Wnullability-completeness]
                   int (* _Nullable)(void *, const char *, int),
                                          ^
  /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/usr/include/stdio.h:386:41: note: insert '_Nullable' if the pointer may be null
                   int (* _Nullable)(void *, const char *, int),
                                          ^
                                           _Nullable
  /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/usr/include/stdio.h:386:41: note: insert '_Nonnull' if the pointer should never be null
                   int (* _Nullable)(void *, const char *, int),
                                          ^
                                           _Nonnull
  /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/usr/include/stdio.h:386:55: warning: pointer is missing a nullability type specifier (_Nonnull, _Nullable, or _Null_unspecified) [-Wnullability-completeness]
                   int (* _Nullable)(void *, const char *, int),
                                                        ^
  /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/usr/include/stdio.h:386:55: note: insert '_Nullable' if the pointer may be null
                   int (* _Nullable)(void *, const char *, int),
                                                        ^
                                                         _Nullable
  /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/usr/include/stdio.h:386:55: note: insert '_Nonnull' if the pointer should never be null
                   int (* _Nullable)(void *, const char *, int),
                                                        ^
                                                         _Nonnull
  /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/usr/include/stdio.h:387:44: warning: pointer is missing a nullability type specifier (_Nonnull, _Nullable, or _Null_unspecified) [-Wnullability-completeness]
                   fpos_t (* _Nullable)(void *, fpos_t, int),
                                             ^
  /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/usr/include/stdio.h:387:44: note: insert '_Nullable' if the pointer may be null
                   fpos_t (* _Nullable)(void *, fpos_t, int),
                                             ^
                                              _Nullable
  /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/usr/include/stdio.h:387:44: note: insert '_Nonnull' if the pointer should never be null
                   fpos_t (* _Nullable)(void *, fpos_t, int),
                                             ^
                                              _Nonnull
  /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/usr/include/stdio.h:388:41: warning: pointer is missing a nullability type specifier (_Nonnull, _Nullable, or _Null_unspecified) [-Wnullability-completeness]
                   int (* _Nullable)(void *));
                                          ^
  /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/usr/include/stdio.h:388:41: note: insert '_Nullable' if the pointer may be null
                   int (* _Nullable)(void *));
                                          ^
                                           _Nullable
  /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/usr/include/stdio.h:388:41: note: insert '_Nonnull' if the pointer should never be null
                   int (* _Nullable)(void *));
                                          ^
                                           _Nonnull
  /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/usr/include/stdio.h:384:6: warning: pointer is missing a nullability type specifier (_Nonnull, _Nullable, or _Null_unspecified) [-Wnullability-completeness]
  FILE    *funopen(const void *,
          ^
  /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/usr/include/stdio.h:384:6: note: insert '_Nullable' if the pointer may be null
  FILE    *funopen(const void *,
          ^
            _Nullable 
  /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/usr/include/stdio.h:384:6: note: insert '_Nonnull' if the pointer should never be null
  FILE    *funopen(const void *,
          ^
            _Nonnull 
  13 warnings and 1 error generated.
  configure:4101: $? = 1
  configure:4108: ./conftest
  ./configure: line 4110: ./conftest: No such file or directory
  configure:4112: $? = 127
  configure:4119: error: in `/var/folders/rk/_qysk9hs40qcq14h44l57wch0000gn/T/python-build.20211006114013.40649/Python-3.10.0':
  configure:4121: error: cannot run C compiled programs.
  If you meant to cross compile, use `--host'.
  See `config.log' for more details
  
  ## ---------------- ##
  ## Cache variables. ##
  ## ---------------- ##
  
  ac_cv_build=x86_64-apple-darwin20.6.0
  ac_cv_env_CC_set=set
  ac_cv_env_CC_value=clang
  ac_cv_env_CFLAGS_set=set
  ac_cv_env_CFLAGS_value='-I/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/usr/include  '
  ac_cv_env_CPPFLAGS_set=set
  ac_cv_env_CPPFLAGS_value='-I/usr/local/opt/readline/include -I/usr/local/opt/readline/include -I/Users/jonas.obrist/.pyenv/versions/3.10.0/include -I/usr/local/opt/openssl/include'
  ac_cv_env_CPP_set=
  ac_cv_env_CPP_value=
  ac_cv_env_LDFLAGS_set=set
  ac_cv_env_LDFLAGS_value='-L/usr/local/opt/readline/lib -L/usr/local/opt/readline/lib -L/Users/jonas.obrist/.pyenv/versions/3.10.0/lib -L/usr/local/opt/openssl/lib -L/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/usr/lib'
  ac_cv_env_LIBS_set=
  ac_cv_env_LIBS_value=
  ac_cv_env_MACHDEP_set=
  ac_cv_env_MACHDEP_value=
  ac_cv_env_PROFILE_TASK_set=
  ac_cv_env_PROFILE_TASK_value=
  ac_cv_env_build_alias_set=
  ac_cv_env_build_alias_value=
  ac_cv_env_host_alias_set=
  ac_cv_env_host_alias_value=
  ac_cv_env_target_alias_set=
  ac_cv_env_target_alias_value=
  ac_cv_host=x86_64-apple-darwin20.6.0
  ac_cv_prog_PYTHON_FOR_REGEN=python3.10
  ac_cv_prog_ac_ct_CC=clang
  
  ## ----------------- ##
  ## Output variables. ##
  ## ----------------- ##
  
  ABIFLAGS=''
  ALT_SOABI=''
  AR=''
  ARCH_RUN_32BIT=''
  ARFLAGS=''
  BASECFLAGS=''
  BASECPPFLAGS=''
  BINLIBDEST=''
  BLDLIBRARY=''
  BLDSHARED=''
  BUILDEXEEXT=''
  CC='clang'
  CCSHARED=''
  CFLAGS='-I/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/usr/include  '
  CFLAGSFORSHARED=''
  CFLAGS_ALIASING=''
  CFLAGS_NODIST=''
  CONFIGURE_MACOSX_DEPLOYMENT_TARGET=''
  CONFIG_ARGS=' '\''--prefix=/Users/jonas.obrist/.pyenv/versions/3.10.0'\'' '\''--libdir=/Users/jonas.obrist/.pyenv/versions/3.10.0/lib'\'' '\''--with-openssl=/usr/local/opt/openssl@1.1'\'' '\''--with-tcltk-libs=-L/usr/local/opt/tcl-tk/lib -ltcl8.6 -ltk8.6'\'' '\''--with-tcltk-includes=-I/usr/local/opt/tcl-tk/include'\'' '\''CC=clang'\'' '\''CFLAGS=-I/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/usr/include  '\'' '\''LDFLAGS=-L/usr/local/opt/readline/lib -L/usr/local/opt/readline/lib -L/Users/jonas.obrist/.pyenv/versions/3.10.0/lib -L/usr/local/opt/openssl/lib -L/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/usr/lib'\'' '\''CPPFLAGS=-I/usr/local/opt/readline/include -I/usr/local/opt/readline/include -I/Users/jonas.obrist/.pyenv/versions/3.10.0/include -I/usr/local/opt/openssl/include'\'''
  CPP=''
  CPPFLAGS='-I/usr/local/opt/readline/include -I/usr/local/opt/readline/include -I/Users/jonas.obrist/.pyenv/versions/3.10.0/include -I/usr/local/opt/openssl/include'
  CXX=''
  DEFS=''
  DEF_MAKE_ALL_RULE=''
  DEF_MAKE_RULE=''
  DFLAGS=''
  DLINCLDIR=''
  DLLLIBRARY=''
  DTRACE=''
  DTRACE_HEADERS=''
  DTRACE_OBJS=''
  DYNLOADFILE=''
  ECHO_C='\c'
  ECHO_N=''
  ECHO_T=''
  EGREP=''
  ENSUREPIP=''
  EXEEXT=''
  EXPORTSFROM=''
  EXPORTSYMS=''
  EXPORT_MACOSX_DEPLOYMENT_TARGET='#'
  EXT_SUFFIX=''
  FRAMEWORKALTINSTALLFIRST=''
  FRAMEWORKALTINSTALLLAST=''
  FRAMEWORKINSTALLAPPSPREFIX=''
  FRAMEWORKINSTALLFIRST=''
  FRAMEWORKINSTALLLAST=''
  FRAMEWORKPYTHONW=''
  FRAMEWORKUNIXTOOLSPREFIX='/Users/jonas.obrist/.pyenv/versions/3.10.0'
  GITBRANCH=''
  GITTAG=''
  GITVERSION=''
  GNULD=''
  GREP=''
  HAS_GIT='no-repository'
  HAVE_GETHOSTBYNAME=''
  HAVE_GETHOSTBYNAME_R=''
  HAVE_GETHOSTBYNAME_R_3_ARG=''
  HAVE_GETHOSTBYNAME_R_5_ARG=''
  HAVE_GETHOSTBYNAME_R_6_ARG=''
  INSTALL_DATA=''
  INSTALL_PROGRAM=''
  INSTALL_SCRIPT=''
  INSTSONAME=''
  LDCXXSHARED=''
  LDFLAGS='-L/usr/local/opt/readline/lib -L/usr/local/opt/readline/lib -L/Users/jonas.obrist/.pyenv/versions/3.10.0/lib -L/usr/local/opt/openssl/lib -L/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/usr/lib'
  LDFLAGS_NODIST=''
  LDLIBRARY=''
  LDLIBRARYDIR=''
  LDSHARED=''
  LDVERSION=''
  LIBC=''
  LIBFFI_INCLUDEDIR=''
  LIBM=''
  LIBOBJS=''
  LIBPL=''
  LIBPYTHON=''
  LIBRARY=''
  LIBRARY_DEPS=''
  LIBS=''
  LIBTOOL_CRUFT=''
  LINKCC=''
  LINKFORSHARED=''
  LIPO_32BIT_FLAGS=''
  LIPO_INTEL64_FLAGS=''
  LLVM_AR=''
  LLVM_AR_FOUND=''
  LLVM_PROFDATA=''
  LLVM_PROF_ERR=''
  LLVM_PROF_FILE=''
  LLVM_PROF_FOUND=''
  LLVM_PROF_MERGER=''
  LN=''
  LTLIBOBJS=''
  MACHDEP='darwin'
  MACHDEP_OBJS=''
  MAINCC=''
  MKDIR_P=''
  MULTIARCH=''
  MULTIARCH_CPPFLAGS=''
  NO_AS_NEEDED=''
  OBJEXT=''
  OPENSSL_INCLUDES=''
  OPENSSL_LDFLAGS=''
  OPENSSL_LIBS=''
  OPENSSL_RPATH=''
  OPT=''
  OTHER_LIBTOOL_OPT=''
  PACKAGE_BUGREPORT='https://bugs.python.org/'
  PACKAGE_NAME='python'
  PACKAGE_STRING='python 3.10'
  PACKAGE_TARNAME='python'
  PACKAGE_URL=''
  PACKAGE_VERSION='3.10'
  PATH_SEPARATOR=':'
  PGO_PROF_GEN_FLAG=''
  PGO_PROF_USE_FLAG=''
  PKG_CONFIG=''
  PLATFORM_TRIPLET=''
  PLATLIBDIR=''
  PROFILE_TASK=''
  PY3LIBRARY=''
  PYTHONFRAMEWORK=''
  PYTHONFRAMEWORKDIR='no-framework'
  PYTHONFRAMEWORKIDENTIFIER='org.python.python'
  PYTHONFRAMEWORKINSTALLDIR=''
  PYTHONFRAMEWORKPREFIX=''
  PYTHON_FOR_BUILD='./$(BUILDPYTHON) -E'
  PYTHON_FOR_REGEN='python3.10'
  PY_ENABLE_SHARED=''
  READELF=''
  RUNSHARED=''
  SED=''
  SHELL='/bin/sh'
  SHLIBS=''
  SHLIB_SUFFIX=''
  SOABI=''
  SOVERSION='1.0'
  SRCDIRS=''
  STATIC_LIBPYTHON=''
  TCLTK_INCLUDES=''
  TCLTK_LIBS=''
  TEST_MODULES=''
  THREADHEADERS=''
  TRUE=''
  TZPATH=''
  UNIVERSALSDK=''
  UNIVERSAL_ARCH_FLAGS=''
  VERSION='3.10'
  WHEEL_PKG_DIR=''
  _PYTHON_HOST_PLATFORM=''
  ac_ct_AR=''
  ac_ct_CC='clang'
  ac_ct_CXX=''
  ac_ct_READELF=''
  bindir='${exec_prefix}/bin'
  build='x86_64-apple-darwin20.6.0'
  build_alias=''
  build_cpu='x86_64'
  build_os='darwin20.6.0'
  build_vendor='apple'
  datadir='${datarootdir}'
  datarootdir='${prefix}/share'
  docdir='${datarootdir}/doc/${PACKAGE_TARNAME}'
  dvidir='${docdir}'
  exec_prefix='NONE'
  host='x86_64-apple-darwin20.6.0'
  host_alias=''
  host_cpu='x86_64'
  host_os='darwin20.6.0'
  host_vendor='apple'
  htmldir='${docdir}'
  includedir='${prefix}/include'
  infodir='${datarootdir}/info'
  libdir='/Users/jonas.obrist/.pyenv/versions/3.10.0/lib'
  libexecdir='${exec_prefix}/libexec'
  localedir='${datarootdir}/locale'
  localstatedir='${prefix}/var'
  mandir='${datarootdir}/man'
  oldincludedir='/usr/include'
  pdfdir='${docdir}'
  prefix='/Users/jonas.obrist/.pyenv/versions/3.10.0'
  program_transform_name='s,x,x,'
  psdir='${docdir}'
  runstatedir='${localstatedir}/run'
  sbindir='${exec_prefix}/sbin'
  sharedstatedir='${prefix}/com'
  sysconfdir='${prefix}/etc'
  target_alias=''
  
  ## ----------- ##
  ## confdefs.h. ##
  ## ----------- ##
  
  /* confdefs.h */
  #define _GNU_SOURCE 1
  #define _NETBSD_SOURCE 1
  #define __BSD_VISIBLE 1
  #define _DARWIN_C_SOURCE 1
  #define _PYTHONFRAMEWORK &quot;&quot;
  
  configure: exit 1
  </code></pre>
  <p>I am able to build it manually by downloading the tarball and <code>./configure &amp;&amp; make</code></p>
  <p>How can I get it to install?</p>