On Sun, Feb 25, 2024, at 2:09 AM, Jeffrey Walton wrote: > > Is it safe to use ax_gcc_builtin to detect __builtin_offsetof? Why do you need to do that? What's wrong with including stddef.h and then using plain offsetof? It's part of C1989. Not a rhetorical question, I really would like to know how this came up. zw
