On 6/27/17 10:51 AM, Segher Boessenkool wrote: > On Mon, Jun 26, 2017 at 10:33:48PM -0500, Peter Bergner wrote: >> Tulio added support for two new AT_HWCAP2 bits to GLIBC which have been >> recently added to the kernel: >> >> https://www.sourceware.org/ml/libc-alpha/2017-06/msg00069.html >> >> This patch adds support for them to the __builtin_cpu_supports() builtin >> function so we can test for them. >> >> Tested on powerpc64le-linux with no regressions. Is this ok for trunk? > > Okay. > > Could we use a shared (with glibc) header, or reduce duplication some > other way?
Not really, since either GCC or GLIBC could be built with/against an older version of the other package and if that package were the one to have the defines, then we'd get a build error. Peter
