[riot-notifications] [RIOT-OS/RIOT] Possible memset optimized out in crypto code (#10751)

Gunar Schorcht notifications at github.com
Thu Jan 17 01:12:27 CET 2019

Just some facts if we would think about to use the ESP-IDF SDK as package. The size of the git repository is about 520 MByte including 3.5 MByte proprietary libraries. It doesn't include the compiler. From these 520 MByte we only use

- the header files
- the proprietary libraries with a size of 3.5 MByte and
- about 1.7 MByte source files extracted from the ESP-IDF and modified to be compatible with RIOT

If we would use it as package, I have just tried to create an according `pkg/esp-idf`, the repository could be reduced to 220 MByte by deleting unnecessary parts, but the generated patch files would also have 45 MByte.

So I don't think that it would be a good idea to integrate ESP-IDF as package. Especially because each compiled application would fetch a complete copy of the package in its build dirctory. Too much to download, too much to be done and too much disk space required. Having ESP-IDF as part of a preconfigured toolchain which exists only once on a system and has not to be prepared during compile time makes much more sense.

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