FAQs

Question 1: What should I do when the message configure: error: no acceptable C compiler found in $PATH is displayed during Python 3 installation?

• Symptom

  

• Possible Causes

  gcc is not installed.

• Solutions

  1. Run the apt-get install gcc command to install gcc online.

  2. After the installation, reinstall Python 3.

Question 2: What should I do when the message -bash: make: command not found is displayed during Python 3 installation?

• Symptom

  

• Possible Causes

  make is not installed.

• Solutions

  1. Run the apt-get install make command to install make online.

  2. After the installation, reinstall Python 3.

Question 3: What should I do when the message zlib not available is displayed during Python 3 installation?

• Symptom

  

• Possible Causes

  zlib is not installed.

• Solutions

  Method 1: Run the apt-get install zlib command to install zlib online.

  Method 2: If the software source does not contain zlib, download the source code from http://www.zlib.net/ and install it offline.

  

  Installation commands:

  tar xvf zlib-1.2.11.tar.gz

  cd zlib-1.2.11

  ./configure

  make && make install

  3. After the installation, reinstall Python 3.

Question 4: What should I do when the message No module named '_ctypes' is displayed during Python 3 installation?

• Symptom

  

• Possible Causes

  libffi and libffi-devel are not installed.

• Solutions

  1. Run the apt-get install libffi* -y command to install libffi and libffi-devel online.

  2. After the installation, reinstall Python 3.

Question 5: What should I do when the message No module named 'Crypto' is displayed during compilation and building?

• Symptom

  

• Possible Causes

  Crypto is not installed.

• Solutions

  Method 1: Run the pip3 install Crypto command to install Crypto online.

  Method 2: Install Crypto offline.

  • Download the source code from https://pypi.org/project/pycrypto/#files.

  

  • Save the source code package to the Linux server, decompress the package, and run the python3 setup.py install command to install Crypto.
  • Rebuild an environment.

Problem 6: What should I do when the message No module named 'ecdsa' is displayed during compilation and building?

• Symptom

  

• Possible Causes

  ecdsa is not installed.

• Solutions

  Method 1: Run the pip3 install ecdsa command to install ecdsa online.

  Method 2: Install ecdsa offline.

  • Download the installation package from https://pypi.org/project/ecdsa/#files.

  

  • Save the installation package to the Linux server and run the pip3 install ecdsa-0.15-py2.py3-none-any.whl command to install ecdsa.
  • Rebuild an environment.

Question 7: What should I do when the message Could not find a version that satisfies the requirement six>=1.9.0 is displayed during compilation and building?

• Symptom

  

• Possible Causes

  six is not installed.

• Solutions

  Method 1: Run the pip3 install six command to install six online.

  Method 2: Install six offline.

  • Download the installation package from https://pypi.org/project/six/#files.

  

  • Save the source code to the Linux server and run the pip3 install six-1.14.0-py2.py3-none-any.whl command to install six.
  • Rebuild an environment.

Question 8: What should I do when the message cannot find -lgcc is displayed during compilation and building?

• Symptom

  

• Possible Causes

  The PATH is incorrectly written by gcc_riscv32, as shown in the following figure. There is an extra slash (/).

  

• Solutions

  Modify the PATH by deleting the slash (/).

  

Question 9: What should I do when the message indicating Python cannot be found is displayed during compilation and building?

• Symptom

  

• Possible Cause 1: Python is not installed.

• Solutions

  Install Python by referring to Installing a Python Environment.

• Possible Cause 2: The soft link that points to the Python does not exist in the usr/bin directory.

  

• Solutions

  Run the following command:

  # cd /usr/bin/
  # which python3
  # ln -s /usr/local/bin/python3 python
  # python --version

  Example: