我安装pycryptodomex，是一个基于 C 的 Python 库。安装过程中遇到 C 构建步骤。它会抛出一个错误。
running build_ext
warning: no support for Intel AESNI instructions
building 'Crypto.Hash._MD2' extension
creating build/temp.linux-x86_64-2.7
creating build/temp.linux-x86_64-2.7/src
/home/luanvv/Source/capcloud_01/30_implementation/31_source/CapCloudCommon/src/net/ -DNDEBUG -g -fwrapv -O2 -Wall -Wstrict-prototypes -fno-strict-aliasing -Wdate-time -D_FORTIFY_SOURCE=2 -g -fstack-protector-strong -Wformat -Werror=format-security -fPIC -DLTC_NO_ASM -Isrc/ -I/usr/include/python2.7 -c src/MD2.c -o build/temp.linux-x86_64-2.7/src/MD2.o
unable to execute '/home/luanvv/Source/capcloud_01/30_implementation/31_source/CapCloudCommon/src/net/': Permission denied
error: command '/home/luanvv/Source/capcloud_01/30_implementation/31_source/CapCloudCommon/src/net/' failed with exit status 1
我不知道原因，但可能是我在某处配置了，因为/home/luanvv/Source/capcloud_01/30_implementation/31_source/CapCloudCommon/src/net/是我的 java 项目，它与任何东西都不相关。不知道为什么它使用该目录而不是x86_64-linux-gnu-gcc命令。