use of undeclared identifier 'mbedtls_threading_set_alt'

[chenrui333]

Summary

👋 trying to build bctoolbox 5.3.84 against 3.6.2 , but seeing use of undeclared identifier 'mbedtls_threading_set_alt' error as

/tmp/ortp--bctoolbox-20250112-53104-y32i8g/bctoolbox-5.3.102/src/crypto/mbedtls.cc:109:3: error: use of undeclared identifier 'mbedtls_threading_set_alt'
  109 |                 mbedtls_threading_set_alt(threading_mutex_init_cpp, threading_mutex_free_cpp, threading_mutex_lock_cpp,
      |                 ^
/tmp/ortp--bctoolbox-20250112-53104-y32i8g/bctoolbox-5.3.102/src/crypto/mbedtls.cc:123:3: error: use of undeclared identifier 'mbedtls_threading_free_alt'; did you mean 'mbedtls_threading_mutex_t'?
  123 |                 mbedtls_threading_free_alt();
      |                 ^
/tmp/ortp--bctoolbox-20250112-53104-y32i8g/bctoolbox-5.3.102/src/crypto/mbedtls.cc:66:7: note: 'mbedtls_threading_mutex_t' declared here
   66 | using mbedtls_threading_mutex_t = void *;
      |       ^

Removing those alt-threading calls fixed my homebrew build issue, any commit or PR that I can reference on the homebrew side? Thanks!

System information

Mbed TLS version (number or commit id): 3.6.2
Operating system and version: macOS/Linux
Configuration (if not default, please attach mbedtls_config.h): default mbedtls_config.h
Compiler and options (if you used a pre-built binary, please indicate how you obtained it): homebrew mbedtls build
Additional environment information:

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the build is good now, but just need some pointer about the references for mbedtls_threading_set_alt and mbedtls_threading_free_alt, thanks!