Terminal Macports LLVM-3.9安装

我正在尝试安装clang和llvm，因为它们是PySide2的依赖项。使用macports，我安装了llvm和clang，安装的端口指示它们处于活动状态

The following ports are currently installed:
  bzip2 @1.0.6_0 (active)
  cctools @895_4+llvm39 (active)
  clang-4.0 @4.0.0_0+analyzer+libstdcxx (active)
  clang_select @2_0 (active)
  db48 @4.8.30_4 (active)
  expat @2.2.1_1 (active)
  gcc6 @6.3.0_2 (active)
  gcc_select @0.1_8 (active)
  gdbm @1.13_3 (active)
  gettext @0.19.8.1_0 (active)
  gmp @6.1.2_0 (active)
  isl @0.18_0 (active)
  ld64 @3_0 (active)
  ld64-latest @274.2_1+llvm39 (active)
  libcxx @3.9.1_0+universal (active)
  libedit @20170329-3.1_0 (active)
  libffi @3.2.1_0 (active)
  libgcc @6.3.0_0 (active)
  libiconv @1.15_0 (active)
  libmpc @1.0.3_0 (active)
  libomp @3.9.1_0+universal (active)
  libxml2 @2.9.4_1 (active)
  llvm-3.9 @3.9.1_3 (active)
  llvm-4.0 @4.0.0_0 (active)
  llvm_select @2_0 (active)
  mpfr @3.1.5_0 (active)
  ncurses @6.0-20170610_0 (active)
  openssl @1.0.2l_0 (active)
  perl5 @5.24.1_0+perl5_24 (active)
  perl5.24 @5.24.1_0 (active)
  python2_select @0.0_2 (active)
  python27 @2.7.13_1 (active)
  python_select @0.3_7 (active)
  readline @7.0.003_1 (active)
  sqlite3 @3.19.3_0 (active)
  xar @1.5.2_2 (active)
  xz @5.2.3_0 (active)
  zlib @1.2.11_0 (active)

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但是，我无法从命令行运行llvm config，因此是否实际安装了llvm？还是链接有问题？

是否检查路径导出？今天早上，我用“自制”安装了LLVM 4.0，在我向二进制文件添加路径后，LLVM配置运行良好。你说得对，我通过将路径添加到我的.bash_配置文件来修复它。仍然没有安装PySide2，但我至少可以解决这个问题。是的，Ockham的剃须刀是一个应该在思想工具带中的策略。正是这些简单的事情常常让我们感到困惑，并被更复杂的问题所掩盖。