On Thu, 20 Oct 2016 19:05:51 +0200 Gianfranco Costamagna <locutusofb...@debian.org> wrote: > control: severity -1 normal > control: reassign -1 src:linux > control: affects -1 gcc-6 > > Hi Linux Kernel maintainers, > as you already know, the default PIE flag breaks the kernel build, can I > suggest you to apply a similar patch > to the one that Ubuntu appplied some time ago? > https://bugs.launchpad.net/ubuntu/+source/gcc-defaults/+bug/1574982/comments/39
Many Debian users do not use our packaged kernel, so working around
this in src:linux does not solve the problem. The default compiler in
Debian *must* be able to compile the upstream Linux kernel. I will not
accept any patches for this that have not been accepted upstream.
A better approach might be to make -mcmodel=kernel automatically
override the default of -fPIE.
Ben.
> --- a/Makefile
> +++ b/Makefile
> @@ -612,6 +612,12 @@ endif # $(dot-config)
> # Defaults to vmlinux, but the arch makefile usually adds further targets
> all: vmlinux
>
> +# force no-pie for distro compilers that enable pie by default
> +KBUILD_CFLAGS += $(call cc-option, -fno-pie)
> +KBUILD_CFLAGS += $(call cc-option, -no-pie)
> +KBUILD_AFLAGS += $(call cc-option, -fno-pie)
> +KBUILD_CPPFLAGS += $(call cc-option, -fno-pie)
> +
> # The arch Makefile can set ARCH_{CPP,A,C}FLAGS to override the default
> # values of the respective KBUILD_* variables
> ARCH_CPPFLAGS :=
>
> thanks
>
> Gianfranco
>
--
Ben Hutchings
Never put off till tomorrow what you can avoid all togethe
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