dlib을 설치하는데 계속 이런 에러가 떠서 찾아보고 해봤는데 계속 안되는데 왜 그런지 알려주실 수 있을까요.. (ComputerVision) usang-in-ui-MacBook-Pro:~ usang-in$ pip3 install dlib Collecting dlib   Using cached https://files.pythonhosted.org/packages/63/92/05c3b98636661cb80d190a5a777dd94effcc14c0f6893222e5ca81e74fbc/dlib-19.19.0.tar.gz Building wheels for collected packages: dlib   Running setup.py bdist_wheel for dlib ... error   Complete output from command /Library/Frameworks/Python.framework/Versions/3.6/bin/python3.6 -u -c "import setuptools, tokenize;__file__='/private/var/folders/_2/f0m32tsj68sf2fx0l4nhmh7w0000gn/T/pip-install-trs12u8b/dlib/setup.py';f=getattr(tokenize, 'open', open)(__file__);code=f.read().replace('\r\n', '\n');f.close();exec(compile(code, __file__, 'exec'))" bdist_wheel -d /private/var/folders/_2/f0m32tsj68sf2fx0l4nhmh7w0000gn/T/pip-wheel-ecxo61rx --python-tag cp36:   running bdist_wheel   running build   running build_py   package init file 'dlib/__init__.py' not found (or not a regular file)   running build_ext   Building extension for Python 3.6.7 (v3.6.7:6ec5cf24b7, Oct 20 2018, 03:02:14)   Invoking CMake setup: 'cmake /private/var/folders/_2/f0m32tsj68sf2fx0l4nhmh7w0000gn/T/pip-install-trs12u8b/dlib/tools/python -DCMAKE_LIBRARY_OUTPUT_DIRECTORY=/private/var/folders/_2/f0m32tsj68sf2fx0l4nhmh7w0000gn/T/pip-install-trs12u8b/dlib/build/lib.macosx-10.9-x86_64-3.6 -DPYTHON_EXECUTABLE=/Library/Frameworks/Python.framework/Versions/3.6/bin/python3.6 -DCMAKE_BUILD_TYPE=Release'   -- The C compiler identification is unknown   -- The CXX compiler identification is unknown   -- Check for working C compiler: /usr/bin/cc   -- Check for working C compiler: /usr/bin/cc -- broken   CMake Error at /Library/Frameworks/Python.framework/Versions/3.6/lib/python3.6/site-packages/cmake/data/CMake.app/Contents/share/cmake-3.16/Modules/CMakeTestCCompiler.cmake:60 (message):     The C compiler          "/usr/bin/cc"        is not able to compile a simple test program.        It fails with the following output:          Change Dir: /private/var/folders/_2/f0m32tsj68sf2fx0l4nhmh7w0000gn/T/pip-install-trs12u8b/dlib/build/temp.macosx-10.9-x86_64-3.6/CMakeFiles/CMakeTmp          Run Build Command(s):/usr/bin/make cmTC_475b6/fast && xcrun: error: invalid active developer path (/Library/Developer/CommandLineTools), missing xcrun at: /Library/Developer/CommandLineTools/usr/bin/xcrun                    CMake will not be able to correctly generate this project.   Call Stack (most recent call first):     CMakeLists.txt:3 (project)         -- Configuring incomplete, errors occurred!   See also "/private/var/folders/_2/f0m32tsj68sf2fx0l4nhmh7w0000gn/T/pip-install-trs12u8b/dlib/build/temp.macosx-10.9-x86_64-3.6/CMakeFiles/CMakeOutput.log".   See also "/private/var/folders/_2/f0m32tsj68sf2fx0l4nhmh7w0000gn/T/pip-install-trs12u8b/dlib/build/temp.macosx-10.9-x86_64-3.6/CMakeFiles/CMakeError.log".   Traceback (most recent call last):     File "<string>", line 1, in <module>     File "/private/var/folders/_2/f0m32tsj68sf2fx0l4nhmh7w0000gn/T/pip-install-trs12u8b/dlib/setup.py", line 261, in <module>       'Topic :: Software Development',     File "/Library/Frameworks/Python.framework/Versions/3.6/lib/python3.6/site-packages/setuptools/__init__.py", line 129, in setup       return distutils.core.setup(**attrs)     File "/Library/Frameworks/Python.framework/Versions/3.6/lib/python3.6/distutils/core.py", line 148, in setup       dist.run_commands()     File "/Library/Frameworks/Python.framework/Versions/3.6/lib/python3.6/distutils/dist.py", line 955, in run_commands       self.run_command(cmd)     File "/Library/Frameworks/Python.framework/Versions/3.6/lib/python3.6/distutils/dist.py", line 974, in run_command       cmd_obj.run()     File "/Library/Frameworks/Python.framework/Versions/3.6/lib/python3.6/site-packages/wheel/bdist_wheel.py", line 188, in run       self.run_command('build')     File "/Library/Frameworks/Python.framework/Versions/3.6/lib/python3.6/distutils/cmd.py", line 313, in run_command       self.distribution.run_command(command)     File "/Library/Frameworks/Python.framework/Versions/3.6/lib/python3.6/distutils/dist.py", line 974, in run_command       cmd_obj.run()     File "/Library/Frameworks/Python.framework/Versions/3.6/lib/python3.6/distutils/command/build.py", line 135, in run       self.run_command(cmd_name)     File "/Library/Frameworks/Python.framework/Versions/3.6/lib/python3.6/distutils/cmd.py", line 313, in run_command       self.distribution.run_command(command)     File "/Library/Frameworks/Python.framework/Versions/3.6/lib/python3.6/distutils/dist.py", line 974, in run_command       cmd_obj.run()     File "/private/var/folders/_2/f0m32tsj68sf2fx0l4nhmh7w0000gn/T/pip-install-trs12u8b/dlib/setup.py", line 135, in run       self.build_extension(ext)     File "/private/var/folders/_2/f0m32tsj68sf2fx0l4nhmh7w0000gn/T/pip-install-trs12u8b/dlib/setup.py", line 172, in build_extension       subprocess.check_call(cmake_setup, cwd=build_folder)     File "/Library/Frameworks/Python.framework/Versions/3.6/lib/python3.6/subprocess.py", line 291, in check_call       raise CalledProcessError(retcode, cmd)   subprocess.CalledProcessError: Command '['cmake', '/private/var/folders/_2/f0m32tsj68sf2fx0l4nhmh7w0000gn/T/pip-install-trs12u8b/dlib/tools/python', '-DCMAKE_LIBRARY_OUTPUT_DIRECTORY=/private/var/folders/_2/f0m32tsj68sf2fx0l4nhmh7w0000gn/T/pip-install-trs12u8b/dlib/build/lib.macosx-10.9-x86_64-3.6', '-DPYTHON_EXECUTABLE=/Library/Frameworks/Python.framework/Versions/3.6/bin/python3.6', '-DCMAKE_BUILD_TYPE=Release']' returned non-zero exit status 1.      ----------------------------------------   Failed building wheel for dlib   Running setup.py clean for dlib Failed to build dlib Installing collected packages: dlib   Running setup.py install for dlib ... error     Complete output from command /Library/Frameworks/Python.framework/Versions/3.6/bin/python3.6 -u -c "import setuptools, tokenize;__file__='/private/var/folders/_2/f0m32tsj68sf2fx0l4nhmh7w0000gn/T/pip-install-trs12u8b/dlib/setup.py';f=getattr(tokenize, 'open', open)(__file__);code=f.read().replace('\r\n', '\n');f.close();exec(compile(code, __file__, 'exec'))" install --record /private/var/folders/_2/f0m32tsj68sf2fx0l4nhmh7w0000gn/T/pip-record-m5vnrry6/install-record.txt --single-version-externally-managed --compile:     running install     running build     running build_py     package init file 'dlib/__init__.py' not found (or not a regular file)     running build_ext     Building extension for Python 3.6.7 (v3.6.7:6ec5cf24b7, Oct 20 2018, 03:02:14)     Invoking CMake setup: 'cmake /private/var/folders/_2/f0m32tsj68sf2fx0l4nhmh7w0000gn/T/pip-install-trs12u8b/dlib/tools/python -DCMAKE_LIBRARY_OUTPUT_DIRECTORY=/private/var/folders/_2/f0m32tsj68sf2fx0l4nhmh7w0000gn/T/pip-install-trs12u8b/dlib/build/lib.macosx-10.9-x86_64-3.6 -DPYTHON_EXECUTABLE=/Library/Frameworks/Python.framework/Versions/3.6/bin/python3.6 -DCMAKE_BUILD_TYPE=Release'     -- The C compiler identification is unknown     -- The CXX compiler identification is unknown     -- Check for working C compiler: /usr/bin/cc     -- Check for working C compiler: /usr/bin/cc -- broken     CMake Error at /Library/Frameworks/Python.framework/Versions/3.6/lib/python3.6/site-packages/cmake/data/CMake.app/Contents/share/cmake-3.16/Modules/CMakeTestCCompiler.cmake:60 (message):       The C compiler              "/usr/bin/cc"            is not able to compile a simple test program.            It fails with the following output:              Change Dir: /private/var/folders/_2/f0m32tsj68sf2fx0l4nhmh7w0000gn/T/pip-install-trs12u8b/dlib/build/temp.macosx-10.9-x86_64-3.6/CMakeFiles/CMakeTmp              Run Build Command(s):/usr/bin/make cmTC_0561c/fast && xcrun: error: invalid active developer path (/Library/Developer/CommandLineTools), missing xcrun at: /Library/Developer/CommandLineTools/usr/bin/xcrun                                CMake will not be able to correctly generate this project.     Call Stack (most recent call first):       CMakeLists.txt:3 (project)               -- Configuring incomplete, errors occurred!     See also "/private/var/folders/_2/f0m32tsj68sf2fx0l4nhmh7w0000gn/T/pip-install-trs12u8b/dlib/build/temp.macosx-10.9-x86_64-3.6/CMakeFiles/CMakeOutput.log".     See also "/private/var/folders/_2/f0m32tsj68sf2fx0l4nhmh7w0000gn/T/pip-install-trs12u8b/dlib/build/temp.macosx-10.9-x86_64-3.6/CMakeFiles/CMakeError.log".     Traceback (most recent call last):       File "<string>", line 1, in <module>       File "/private/var/folders/_2/f0m32tsj68sf2fx0l4nhmh7w0000gn/T/pip-install-trs12u8b/dlib/setup.py", line 261, in <module>         'Topic :: Software Development',       File "/Library/Frameworks/Python.framework/Versions/3.6/lib/python3.6/site-packages/setuptools/__init__.py", line 129, in setup         return distutils.core.setup(**attrs)       File "/Library/Frameworks/Python.framework/Versions/3.6/lib/python3.6/distutils/core.py", line 148, in setup         dist.run_commands()       File "/Library/Frameworks/Python.framework/Versions/3.6/lib/python3.6/distutils/dist.py", line 955, in run_commands         self.run_command(cmd)       File "/Library/Frameworks/Python.framework/Versions/3.6/lib/python3.6/distutils/dist.py", line 974, in run_command         cmd_obj.run()       File "/Library/Frameworks/Python.framework/Versions/3.6/lib/python3.6/site-packages/setuptools/command/install.py", line 61, in run         return orig.install.run(self)       File "/Library/Frameworks/Python.framework/Versions/3.6/lib/python3.6/distutils/command/install.py", line 545, in run         self.run_command('build')       File "/Library/Frameworks/Python.framework/Versions/3.6/lib/python3.6/distutils/cmd.py", line 313, in run_command         self.distribution.run_command(command)       File "/Library/Frameworks/Python.framework/Versions/3.6/lib/python3.6/distutils/dist.py", line 974, in run_command         cmd_obj.run()       File "/Library/Frameworks/Python.framework/Versions/3.6/lib/python3.6/distutils/command/build.py", line 135, in run         self.run_command(cmd_name)       File "/Library/Frameworks/Python.framework/Versions/3.6/lib/python3.6/distutils/cmd.py", line 313, in run_command         self.distribution.run_command(command)       File "/Library/Frameworks/Python.framework/Versions/3.6/lib/python3.6/distutils/dist.py", line 974, in run_command         cmd_obj.run()       File "/private/var/folders/_2/f0m32tsj68sf2fx0l4nhmh7w0000gn/T/pip-install-trs12u8b/dlib/setup.py", line 135, in run         self.build_extension(ext)       File "/private/var/folders/_2/f0m32tsj68sf2fx0l4nhmh7w0000gn/T/pip-install-trs12u8b/dlib/setup.py", line 172, in build_extension         subprocess.check_call(cmake_setup, cwd=build_folder)       File "/Library/Frameworks/Python.framework/Versions/3.6/lib/python3.6/subprocess.py", line 291, in check_call         raise CalledProcessError(retcode, cmd)     subprocess.CalledProcessError: Command '['cmake', '/private/var/folders/_2/f0m32tsj68sf2fx0l4nhmh7w0000gn/T/pip-install-trs12u8b/dlib/tools/python', '-DCMAKE_LIBRARY_OUTPUT_DIRECTORY=/private/var/folders/_2/f0m32tsj68sf2fx0l4nhmh7w0000gn/T/pip-install-trs12u8b/dlib/build/lib.macosx-10.9-x86_64-3.6', '-DPYTHON_EXECUTABLE=/Library/Frameworks/Python.framework/Versions/3.6/bin/python3.6', '-DCMAKE_BUILD_TYPE=Release']' returned non-zero exit status 1.          ---------------------------------------- Command "/Library/Frameworks/Python.framework/Versions/3.6/bin/python3.6 -u -c "import setuptools, tokenize;__file__='/private/var/folders/_2/f0m32tsj68sf2fx0l4nhmh7w0000gn/T/pip-install-trs12u8b/dlib/setup.py';f=getattr(tokenize, 'open', open)(__file__);code=f.read().replace('\r\n', '\n');f.close();exec(compile(code, __file__, 'exec'))" install --record /private/var/folders/_2/f0m32tsj68sf2fx0l4nhmh7w0000gn/T/pip-record-m5vnrry6/install-record.txt --single-version-externally-managed --compile" failed with error code 1 in /private/var/folders/_2/f0m32tsj68sf2fx0l4nhmh7w0000gn/T/pip-install-trs12u8b/dlib/ You are using pip version 10.0.1, however version 20.0.2 is available. You should consider upgrading via the 'pip install --upgrade pip' command.

안녕하세요그래픽카드가 없는 환경(노트북)에서는 CUDA를 실행할 수가 없는데, 없어도 무방한가요?