The #ifdef guards in sha2.h are using USE_SSL when they in fact are guarding the inclusion of OpenSSL specific code. This has never caused any issues as there only is a single supported TLS backend in core so far, but since we’ve spent a significant amount of energy on making the TLS backend non-hardcoded it seems we should fix this too. The Makefile around sha2.c/sha2_openssl.c is already testing for openssl rather than ssl (which given src/Makefile.global variables makes perfect sense of course).
cheers ./daniel
sha2_ifdefs.patch
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