[LEDE-DEV] curl --capath not supported on mbedtls but was supported on polarssl

[Nemesis]

Hi everyone,

I hit something that seems like a regression to me.

In a little program named openwisp-config [1], we are using the --capath
argument, when switching - as was widely suggested - from polarssl to
mbedtls, we noticed curl cannot use the capath argument.

There's also a thread in the forum here:
https://forum.lede-project.org/t/capath-not-supported-by-libcurl-with-mbedtls-support/947/8

I would like to ask 2 questions

 1. is it's desired behaviour or a regression?
 2. what's an alternative way to tell curl and or wget to find certificates?

Thx in advance
Federico

[1] https://github.com/openwisp/openwisp-config