Si jamais vous avez des erreurs du genre :

gcc -Werror -Wcast-qual -Wcast-align -Wwrite-strings -Wall -Wno-unused-parameter -fno-common -g -DDEBUG -fpic -DICARUS -Wstrict-prototypes -Waggregate-return -DFILTER -DICARUS -shared -Xlinker -L/usr/local/lib -o /usr/local/projects/videautom/gateware/hw_validation/spi2ksz/cocotb/build/libs/x86_64/libgpilog.so /usr/local/projects/videautom/gateware/hw_validation/spi2ksz/cocotb/build/obj/x86_64/gpi_logging.o   -lpython3.7m 
/usr/bin/ld: /usr/local/lib/libpython3.7m.a(ceval.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
/usr/local/cocotb/envp37/lib/python3.7/site-packages/cocotb/share/makefiles/Makefile.rules:58: recipe for target '/cocotb/build/libs/x86_64/libgpilog.so' failed