Error building Foxy: relocation R_X86_64_PC32 against symbol `_PyRuntime' (Focal)

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I'm installing ROS2 Foxy, and when a run the command:

> cd ~/ros2_foxy/
> colcon build --symlink-install

I had the error:

 Starting >>> rosidl_typesupport_c
Finished <<< rviz_rendering [4.45s]            
Starting >>> rmw_connext_cpp
Finished <<< rmw_connext_cpp [0.81s]           
Starting >>> rosidl_generator_cpp
Finished <<< rosidl_typesupport_c [1.95s]      
Starting >>> rosidl_typesupport_cpp                          
Finished <<< rosidl_generator_cpp [1.93s]                                    
Starting >>> rosidl_generator_py                                       
Finished <<< rosidl_typesupport_cpp [2.12s]    
Starting >>> launch_xml       
--- stderr: rosidl_generator_py                
/usr/bin/ld: /usr/local/lib/libpython3.8.a(_warnings.o): relocation R_X86_64_PC32 against symbol `_PyRuntime' can not be used when making a shared object; recompile with -fPIC
/usr/bin/ld: final link failed: bad value
collect2: error: ld returned 1 exit status
make[2]: *** [CMakeFiles/rosidl_generator_py_custom__python.dir/build.make:256: rosidl_generator_py/rosidl_generator_py/librosidl_generator_py_custom__python.so] Error 1
make[1]: *** [CMakeFiles/Makefile2:329: CMakeFiles/rosidl_generator_py_custom__python.dir/all] Error 2
make: *** [Makefile:141: all] Error 2
---
Failed   <<< rosidl_generator_py [2.51s, exited with code 2]
Aborted  <<< launch_xml [2.77s]                               

Summary: 117 packages finished [1min 33s]
  1 package failed: rosidl_generator_py
  1 package aborted: launch_xml
  1 package had stderr output: rosidl_generator_py
  191 packages not processed

What can I do to solve this error??