[Buildroot] [Bug 9461] New: toolchain Linaro AArch64 2016.11 compile error

[Buildroot] [Bug 9461] New: toolchain Linaro AArch64 2016.11 compile error

[bugzilla at busybox.net]

https://bugs.busybox.net/show_bug.cgi?id=9461

            Bug ID: 9461
           Summary: toolchain Linaro AArch64 2016.11 compile error
           Product: buildroot
           Version: unspecified
          Hardware: All
                OS: Linux
            Status: NEW
          Severity: normal
          Priority: P5
         Component: Other
          Assignee: unassigned at buildroot.uclibc.org
          Reporter: gmg.kostik at gmail.com
                CC: buildroot at uclibc.org
  Target Milestone: ---

I try build odroidc2_defconfig.
Select external toolchain Linaro AArch64 2016.11.

Bug out when compiling uboot:

../include/linux/compiler-gcc.h:114:30: fatal error: linux/compiler-gcc6.h: No
such file or directory


Then i use toolchain Linaro AArch64 2016.05 all ok.

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[Buildroot] [Bug 9461] toolchain Linaro AArch64 2016.11 compile error

[bugzilla at busybox.net]

https://bugs.busybox.net/show_bug.cgi?id=9461

--- Comment #1 from romain.naour at openwide.fr ---
Hi,

The odroidc2 kernel doesn't support gcc6 yet.
Can you look if there is a newer odroidc2 kernel or try to backport this patch
[1].

Thank for your report!

Best regards,
Romain Naour

[1]
http://git.kernel.org/cgit/linux/kernel/git/stable/linux-stable.git/commit/?id=677fa15cd6d5b0843e7b9c58409f67d656b1ec2f

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[Buildroot] [Bug 9461] toolchain Linaro AArch64 2016.11 compile error

[bugzilla at busybox.net]

https://bugs.busybox.net/show_bug.cgi?id=9461

--- Comment #2 from kosyak <gmg.kostik@gmail.com> ---
How i can select external toolchain version 5 in new buildroot?

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[Buildroot] [Bug 9461] toolchain Linaro AArch64 2016.11 compile error

[bugzilla at busybox.net]

https://bugs.busybox.net/show_bug.cgi?id=9461

--- Comment #3 from romain.naour at gmail.com ---
You can't without reverting this patch [1].
The version selection for preconfigured external toolchains removed in 2016.02
release [2].

For a long term fix, the odroid kernel must be patched.

[1]
https://git.buildroot.net/buildroot/commit/?id=cacfea6c263cfbfc450256b25f71dde29fa03f3b
[2] http://lists.busybox.net/pipermail/buildroot/2016-March/154535.html

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[Buildroot] [Bug 9461] toolchain Linaro AArch64 2016.11 compile error

[bugzilla at busybox.net]

https://bugs.busybox.net/show_bug.cgi?id=9461

--- Comment #4 from kosyak <gmg.kostik@gmail.com> ---
Ok. Thank you.

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[Buildroot] [Bug 9461] toolchain Linaro AArch64 2016.11 compile error

[bugzilla at busybox.net]

https://bugs.busybox.net/show_bug.cgi?id=9461

--- Comment #5 from romain.naour at gmail.com ---
Hi,

The odroidc2-3.14.y branch on github [1] is still maintained and you have just
to update the git hash to the latest version to fix your build issue.

Also it seems that the Amlogic S905 SoC used in your board [2] is now available
with the latest kernel version (v4.8) [3].

I don't have this board, can you test with the new 3.14 hardkernel or 4.8
kernel version and summit a patch bumping the version ?

[1]
https://github.com/hardkernel/linux/commits/odroidc2-3.14.y/include/linux/compiler-gcc.h
[2] http://www.hardkernel.com/main/products/prdt_info.php
[3]
http://git.kernel.org/cgit/linux/kernel/git/stable/linux-stable.git/tree/arch/arm64/Kconfig.platforms?h=linux-4.8.y#n81

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[Buildroot] [Bug 9461] toolchain Linaro AArch64 2016.11 compile error

[bugzilla at busybox.net]

https://bugs.busybox.net/show_bug.cgi?id=9461

--- Comment #6 from kosyak <gmg.kostik@gmail.com> ---
I find buildroot from hardkernel - https://github.com/hardkernel/buildroot.git
it works good. But use toolchain Linaro AArch64 2014.09 (gcc 4.9).

Other toolchains (gcc version > 4.9) not works
(https://bugs.busybox.net/show_bug.cgi?id=9326).

The kernel version 4. 8 I'll try later.

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[Buildroot] [Bug 9461] odroidc2 - toolchain Linaro AArch64 2016.11 compile error

[bugzilla at busybox.net]

https://bugs.busybox.net/show_bug.cgi?id=9461

kosyak <gmg.kostik@gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|toolchain Linaro AArch64    |odroidc2 - toolchain Linaro
                   |2016.11 compile error       |AArch64 2016.11 compile
                   |                            |error

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[Buildroot] [Bug 9461] odroidc2 - toolchain Linaro AArch64 2016.11 compile error

[bugzilla at busybox.net]

https://bugs.busybox.net/show_bug.cgi?id=9461

--- Comment #7 from romain.naour at gmail.com ---
Thanks for the link to the other bug, I didn't notice the
BR2_GCC_VERSION_4_9_X=y in the config file.

So event with the Linaro 2016.05 toolchain, your board shouldn't boot.

I don't see what we can do, except waiting for the odroid-c2 upstream kernel
support.

Best regards,
Romain

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[Buildroot] [Bug 9461] odroidc2 - toolchain Linaro AArch64 2016.11 compile error

[bugzilla at busybox.net]

https://bugs.busybox.net/show_bug.cgi?id=9461

Thomas Petazzoni <thomas.petazzoni@free-electrons.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|---                         |WONTFIX

--- Comment #8 from Thomas Petazzoni <thomas.petazzoni@free-electrons.com> ---
Using a gcc 6.x toolchain with a kernel version too old to support gcc 6.x is
not a Buildroot problem, but a configuration issue. One should either select a
toolchain that uses an older gcc version, or a kernel version that is recent
enough to build properly with gcc 6.x.

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