[Buildroot] Compiling buildroot for Arm "Armada 166E" Target

[Baruch Siach]

Hi Aseem,

On Thu, Aug 10, 2017 at 02:16:59PM +0530, Aseem Sharma wrote:
> The build passes with minimal defconfig on Latest stable release v2017.05.2
> and also on latest long term support release v2017.02.5.
> So the issue seems to be with my config settings. Is there any workarounds
> to fix/avoid the issue?

What is your config? Generate a minimal config in the file 'defconfig' with

  make savedefconfig

baruch

> On Thu, Aug 10, 2017 at 1:44 PM, Aseem Sharma <aseem.sharma19 at gmail.com>
> wrote:
> > Another information that I may have missed is that I am currently using
> > Ubuntu 16.4 system, i686 arch to build source for "iwmmxt"
> >
> > -Aseem
> >
> > On Thu, Aug 10, 2017 at 1:39 PM, Aseem Sharma <aseem.sharma19 at gmail.com>
> > wrote:
> >
> >> Where will i find minimal defconfig?
> >> Please note that the issue was orignally observed on latest long term
> >> support release v2017.02.5.
> >> However I would try the steps provided in your last email over Latest
> >> stable release v2017.05.2.
> >> Sorry about too many naive questions.
> >>
> >> -Aseem
> >>
> >> On Thu, Aug 10, 2017 at 12:58 PM, Baruch Siach <baruch at tkos.co.il> wrote:
> >>
> >>> Hi Aseem,
> >>>
> >>> On Thu, Aug 10, 2017 at 12:51:53PM +0530, Aseem Sharma wrote:
> >>> > Sure. Can you please give me the exact steps to be carried out.
> >>> > Also, I tried selecting other gcc versions from menuconfig but the
> >>> > compilation seems to fail all the time with one issue or the other.
> >>>
> >>> Remove your current .config, copy the minimal defconfig below into
> >>> .config,
> >>> and then do
> >>>
> >>>   make olddefconfig
> >>>   make clean
> >>>   make
> >>>
> >>> This will automatically select the gcc version which as of current
> >>> master is
> >>> 6.4.0.
> >>>
> >>> baruch
> >>>
> >>> > On 10-Aug-2017 12:43 PM, "Baruch Siach" <baruch at tkos.co.il> wrote:
> >>> >
> >>> > On Thu, Aug 10, 2017 at 12:19:33PM +0530, Aseem Sharma wrote:
> >>> > > Yes Baruch. I tried a couple of times with "make clean" & even "make
> >>> > > distclean". However, the error is consistent.
> >>> > > Found a similar issue here: https://gcc.gnu.org/bugzilla/
> >>> > > show_bug.cgi?id=40836
> >>> >
> >>> > This issue seems to be fixed since gcc 4.8.
> >>> >
> >>> > I could not reproduce this ICE on current master with the following
> >>> minimal
> >>> > defconfig:
> >>> >
> >>> > BR2_arm=y
> >>> > BR2_iwmmxt=y
> >>> >
> >>> > Can you give it a try?
> >>> >
> >>> > baruch
> >>> >
> >>> > > On Thu, Aug 10, 2017 at 12:06 PM, Baruch Siach <baruch at tkos.co.il>
> >>> wrote:
> >>> > > > On Thu, Aug 10, 2017 at 11:56:56AM +0530, Aseem Sharma wrote:
> >>> > > > > *A follow-up question:*
> >>> > > > > I selected 'iwmmxt' as per Baruch's suggestion and tried to run
> >>> > "make".
> >>> > > > > The build seems to be failing with following error message in
> >>> > > > > "busybox-1.26.2" compilation:
> >>> > > > >
> >>> > > > > util-linux/mkfs_ext2.c: In function ‘mkfs_ext2_main’:
> >>> > > > > util-linux/mkfs_ext2.c:715:1: error: insn does not satisfy its
> >>> > > > constraints:
> >>> > > > >  }
> >>> > > > >  ^
> >>> > > > > (insn 1169 286 287 31 (set (reg:SI 0 r0)
> >>> > > > >         (reg:SI 80 wr0)) util-linux/mkfs_ext2.c:344 426
> >>> > > > {*iwmmxt_movsi_insn}
> >>> > > > >      (nil))
> >>> > > > > util-linux/mkfs_ext2.c:715:1: internal compiler error: in
> >>> > > > > reload_cse_simplify_operands, at postreload.c:411
> >>> > > > > Please submit a full bug report,
> >>> > > > > with preprocessed source if appropriate.
> >>> > > > > See <http://bugs.buildroot.net/> for instructions.
> >>> > > > > scripts/Makefile.build:197: recipe for target
> >>> 'util-linux/mkfs_ext2.o'
> >>> > > > > failed
> >>> > > > > make[2]: *** [util-linux/mkfs_ext2.o] Error 1
> >>> > > > > Makefile:742: recipe for target 'util-linux' failed
> >>> > > > > make[1]: *** [util-linux] Error 2
> >>> > > > > make[1]: Leaving directory '/home/administrator/
> >>> > > > Downloads/buildroot_2017/
> >>> > > > > buildroot-2017.02.5/output/build/busybox-1.26.2'
> >>> > > > > package/pkg-generic.mk:216: recipe for target
> >>> '/home/administrator/
> >>> > > > > Downloads/buildroot_2017/buildroot-2017.02.5/output/
> >>> > > > > build/busybox-1.26.2/.stamp_built' failed
> >>> > > > > make: *** [/home/administrator/Downloads/buildroot_2017/
> >>> > > > > buildroot-2017.02.5/output/build/busybox-1.26.2/.stamp_built]
> >>> Error 2
> >>> > > > >
> >>> > > > > It would be really helpful is you can provide some insight and
> >>> > possibly a
> >>> > > > > fix/workaround.

-- 
     http://baruch.siach.name/blog/                  ~. .~   Tk Open Systems
=}------------------------------------------------ooO--U--Ooo------------{=
   - baruch at tkos.co.il - tel: +972.52.368.4656, http://www.tkos.co.il -