How to actually detect musl libc?
问题 The musl team claims that there is no need of a way of detecting musl libc because they only implement standard functionality and have no quirks that need detecting. Up until today, that claim may well have been true, but it is no longer true. Normal feature detection is not working because the feature is there but broken, I'd rather not probe for it because I don't want to demand root at compile time and disallow cross-compilation. The bug has been reported with minimized sample code, and