[PATCH] arch:um: Only disable SSE on clang to work around old GCC bugs

As part of the Rust support for UML, we disable SSE (and similar flags) to match the normal x86 builds. This both makes sense (we ideally want a similar configuration to x86), and works around a crash bug with SSE generation under Rust with LLVM. However, this breaks compiling stdlib.h under gcc <

Re: Cannot compile UML in Ubuntu 20.04.5 anymore

On Sat, 4 Mar 2023 12:35:24 +0800 David Gow wrote: > > [-- Attachment #1.1: Type: text/plain, Size: 2159 bytes --] > > On Fri, 3 Mar 2023 at 16:37, Roberto Sassu > wrote: > > > > Hi > > > > it looks like one recent commit causes the kernel build to break. > > > > GEN scripts/gdb/linux/co