尝试制作 endian_swapper 示例代码时，我收到以下错误消息。我正在使用 Ubuntu 19.10。
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谢谢。
make SIM=ghdl TOPLEVEL_LANG=vhdl
make results.xml
make[1]: Entering directory '/home/user/Tools/cocotb-master/examples/endian_swapper/tests'
cd ../cosim && make
make[2]: Entering directory '/home/user/Tools/cocotb-master/examples/endian_swapper/cosim'
make[2]: Nothing to be done for 'all'.
make[2]: Leaving directory '/home/user/Tools/cocotb-master/examples/endian_swapper/cosim'
cd sim_build && \
\
/usr/bin/ghdl -i --work=work /home/user/Tools/cocotb-master/examples/endian_swapper/tests/../hdl/endian_swapper.vhdl && \
/usr/bin/ghdl -m --work=work endian_swapper_vhdl
MODULE=test_endian_swapper,test_endian_swapper_hal \
TESTCASE= TOPLEVEL=endian_swapper_vhdl TOPLEVEL_LANG=vhdl COCOTB_SIM=1 \
/usr/bin/ghdl -r --workdir=sim_build --work=work endian_swapper_vhdl --vpi=/home/user/Tools/cocotb-master/cocotb/libs/libcocotbvpi_ghdl.so
loading VPI module '/home/user/Tools/cocotb-master/cocotb/libs/libcocotbvpi_ghdl.so'
libcocotbutils.so: cannot open shared object file: No such file or directory
/usr/bin/ghdl-mcode:error: cannot load VPI module
make[1]: *** [/home/user/Tools/cocotb-master/cocotb/share/makefiles/simulators/Makefile.ghdl:69: results.xml] Error 1
make[1]: Leaving directory '/home/user/Tools/cocotb-master/examples/endian_swapper/tests'
make: *** [/home/user/Tools/cocotb-master/cocotb/share/makefiles/Makefile.sim:151: sim] Error 2
所有 *.so 文件似乎都存在
user@Computer:~/Tools/cocotb-master/cocotb/libs$ ls
libcocotb.so libcocotbvhpi_ius.so libcocotbvpi_icarus.vpl libcocotbvpi_vcs.so libgpi.so
libcocotbutils.so libcocotbvpi_aldec.so libcocotbvpi_ius.so libcocotbvpi_verilator.so
libcocotbvhpi_aldec.so libcocotbvpi_ghdl.so libcocotbvpi_modelsim.so libgpilog.so