pyenv安装python错误总结

1. No rule to make target pyconfig.h', needed by Programs/python.o’
   a. 查看 diff 命令指向，如which diff
   如果输出为：$HOME/Library/OpenHarmony/Sdk/12/toolchains/diff这个，会导致编译失败
   把diff指向系统的diff，如：/usr/bin/diff
   b. 删除上次缓存，python-build*目录