On Thu, Apr 17, 2025 at 01:02:05PM +0200, Michal Suchánek wrote: > On Thu, Apr 17, 2025 at 11:37:09AM +0530, Mukesh Kumar Chaurasiya wrote: > > On Fri, Mar 07, 2025 at 10:20:52AM +0100, Michal Suchanek wrote: > > > Similar to x86 the ppc boot code does not build with GCC 15. > > > > > > Copy the fix from > > > commit ee2ab467bddf ("x86/boot: Use '-std=gnu11' to fix build with GCC > > > 15") > > > > > > Signed-off-by: Michal Suchanek <msucha...@suse.de> > > > --- > > > arch/powerpc/boot/Makefile | 1 + > > > 1 file changed, 1 insertion(+) > > > > > > diff --git a/arch/powerpc/boot/Makefile b/arch/powerpc/boot/Makefile > > > index 1ff6ad4f6cd2..e6b35699c049 100644 > > > --- a/arch/powerpc/boot/Makefile > > > +++ b/arch/powerpc/boot/Makefile > > > @@ -33,6 +33,7 @@ else > > > endif > > > > > > ifdef CONFIG_PPC64_BOOT_WRAPPER > > > +BOOTTARGETFLAGS += -std=gnu11 > > > BOOTTARGETFLAGS += -m64 > > > BOOTTARGETFLAGS += -mabi=elfv2 > > > ifdef CONFIG_PPC64_ELF_ABI_V2 > > > -- > > > 2.47.1 > > > > > There's another patch which fixes this problem by version comparison. > > https://lore.kernel.org/all/20250323163607.537270-2-misan...@linux.ibm.com/ > > > > In my opinion this is a better solution as it will use the features of > > latest > > compiler. > > No it's not a better solution. It's documented that the kernel is built > with the GNU dialect of ISO C11. When a file is not compiled with the > documented C dialect that's a bug. > > If newer C dialect features are desirable then they should be enabled > consistently across the tree, not individually for a few files used in > boot code. > > Thanks > > Michal Oh cool.
Thanks