fukiki opened a new issue #3281:
URL: https://github.com/apache/apisix/issues/3281
# Improve Docs
## Please describe which part of docs should be improved or typo fixed
When using the latest master branch code, apisix failed to run `make init`:
```sh
./bin/apisix init
lua: error loading module 'socket.core' from file
'/Users/kiki/Documents/DevelopTools/src/github-apisix/deps/lib/lua/5.1/socket/core.so':
dlopen(/Users/kiki/Documents/DevelopTools/src/github-apisix/deps/lib/lua/5.1/socket/core.so,
6): Symbol not found: _luaL_openlib
Referenced from:
/Users/kiki/Documents/DevelopTools/src/github-apisix/deps/lib/lua/5.1/socket/core.so
Expected in: dynamic lookup
stack traceback:
[C]: in ?
[C]: in function 'require'
...lopTools/src/github-apisix/deps/share/lua/5.1/socket.lua:12: in main
chunk
[C]: in function 'require'
...ols/src/github-apisix/deps/share/lua/5.1/socket/http.lua:10: in main
chunk
[C]: in function 'require'
./apisix/cli/etcd.lua:22: in main chunk
[C]: in function 'require'
./apisix/cli/ops.lua:18: in main chunk
[C]: in function 'require'
./bin/apisix:34: in main chunk
[C]: in ?
make: *** [init] Error 1
```
**Reason**
LuaSocket uses the _luaL_openlib function from Lua 5.0. It should also be
available on Lua 5.1 (and 5.2) if certain compatibility flags are defined in
luaconf.h while building the Lua executable. Maybe, when installing luaSocket
by executing `make deps` (`luarocks install luasocket`), the executable was
built without compatibility flags.
## Describe the solution you'd like
Download the source code to compile and install luasocket, then replace the
executable file in deps for the project.
Document
[how-to-build.md](https://github.com/apache/apisix/blob/master/doc/how-to-build.md)
should be improved, add the method and steps of compiling luasocket.
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