Hi, Willy > On Wed, Aug 30, 2023 at 05:07:11PM +0200, Thomas Wei�chuh wrote: > > This was prompted by the discussion about output directory support with > > O=. > > It seems sometimes we were pulling in system headers making testing > > annoying and unreliable. > > > > Willy: > > > > I did not implement the '#ifdef va_start` guard that we discussed > > before. In my understanding the latest agreement does not need it > > anymore. Please let me know if this is incorrect. > > No that's fine given your goal of including just "nolibc.h" and no > other regular include file, I agree. I've just merged it and pushed > it to the -next branch. > > Thank you Thomas! > Willy > > Subject: [PATCH v2 1/2] tools/nolibc: add stdarg.h header > > This allows nolic to work with `-nostdinc` avoiding any reliance on > system headers. > A little typo in above commit message: nolic -> nolibc. Thanks, Zhangjin > The implementation has been lifted from musl libc 1.2.4. > There is already an implementation of stdarg.h in include/linux/stdarg.h > but that is GPL licensed and therefore not suitable for nolibc. > > The used compiler builtins have been validated to be at least available > since GCC 4.1.2 and clang 3.0.0.
