Undefined symbols for architecture x86_64

[ghost]

Hello, I followed the guide for building on macOS (Big Sur 11.2.3) and I get this error:

[  5%] Building C object CMakeFiles/discord.dir/lib/libdiscord.c.o
[ 11%] Building C object CMakeFiles/discord.dir/lib/REST.c.o
[ 16%] Building C object CMakeFiles/discord.dir/lib/log.c.o
[ 22%] Building C object CMakeFiles/discord.dir/lib/json.c.o
[ 27%] Building C object CMakeFiles/discord.dir/lib/utils.c.o
[ 33%] Linking C shared library libdiscord.dylib
Undefined symbols for architecture x86_64:
  "_lws_extension_callback_pm_deflate", referenced from:
      _exts in libdiscord.c.o
ld: symbol(s) not found for architecture x86_64
clang: error: linker command failed with exit code 1 (use -v to see invocation)
make[2]: *** [libdiscord.0.3.0.dylib] Error 1
make[1]: *** [CMakeFiles/discord.dir/all] Error 2
make: *** [all] Error 2

Is there a solution for this problem?