Messages in this thread | | | Subject | Re: [PATCH] compiler/gcc: Raise minimum GCC version for kernel builds to 4.8 | From | Guenter Roeck <> | Date | Tue, 26 May 2020 09:03:55 -0700 |
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Hi Nick,
On 5/26/20 8:40 AM, Nick Desaulniers wrote: > On Tue, May 26, 2020 at 8:30 AM Guenter Roeck <linux@roeck-us.net> wrote: >> >> On Mon, May 11, 2020 at 09:41:37PM +0100, Will Deacon wrote: >>> It is very rare to see versions of GCC prior to 4.8 being used to build >>> the mainline kernel. These old compilers are also known to have codegen >>> issues which can lead to silent miscompilation: >>> >>> https://gcc.gnu.org/bugzilla/show_bug.cgi?id=58145 >>> >>> Raise the minimum GCC version to 4.8 for building the kernel and remove >>> some tautological Kconfig dependencies as a consequence. >> >> My hexagon compiler is v4.6.1, and I have been unable to find a more >> recent version. Does anyone happen to have a pointer to a hexagon toolchain >> with gcc 4.8 or later ? > > IIUC, hexagon moved to LLVM, though that target still has issues > building the kernel. > https://github.com/ClangBuiltLinux/linux/issues?q=is%3Aopen+is%3Aissue+label%3A%22%5BARCH%5D+hexagon%22 >
That won't help me for my build tests. It is bad enough having to maintain one compiler. I don't want to add another one to the mix, and I'll happily leave llvm build tests for ClangBuiltLinux. Guess I'll have to stop hexagon test builds starting with 5.8.
Guenter
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