[yocto] SDK Problems for SuperH 4

[Martin Townsend]

On Fri, Oct 7, 2016 at 8:46 AM, Martin Townsend <mtownsend1973 at gmail.com> wrote:
> On Fri, Oct 7, 2016 at 5:32 AM, Khem Raj <raj.khem at gmail.com> wrote:
>>
>>> On Oct 6, 2016, at 12:09 PM, Martin Townsend <mtownsend1973 at gmail.com> wrote:
>>>
>>> On Thu, Oct 6, 2016 at 7:57 PM, Martin Townsend <mtownsend1973 at gmail.com> wrote:
>>>> Hi,
>>>>
>>>> We have a poky sato distributions successfully built and running for
>>>> our SuperH 4 processor board.  The problem is the SDK that is built
>>>> when using -cpopulate_sdk doesn't.
>>>>
>>>> The simple Makefile:
>>>> hellomake: HelloWorld.c
>>>> $(CC) -o HelloWorld HelloWorld.c
>>>
>>> Hit send before I had chance to finish :)
>>>
>>> ignore the missing tab but when trying to compile (after sourcing the
>>> SDK environment) I get
>>> sh4-poky-linux-gcc  -ml -m4
>>> --sysroot=/opt/sdk/vms/2.0.2/sysroots/sh4-poky-linux -o HelloWorld
>>> HelloWorld.o
>>> /opt/sdk/vms/2.0.2/sysroots/x86_64-pokysdk-linux/usr/libexec/sh4-poky-linux/gcc/sh4-poky-linux/4.9.3/real-ld:
>>> cannot find crt1.o: No such file or directory
>>> /opt/sdk/vms/2.0.2/sysroots/x86_64-pokysdk-linux/usr/libexec/sh4-poky-linux/gcc/sh4-poky-linux/4.9.3/real-ld:
>>> cannot find crti.o: No such file or directory
>>> /opt/sdk/vms/2.0.2/sysroots/x86_64-pokysdk-linux/usr/libexec/sh4-poky-linux/gcc/sh4-poky-linux/4.9.3/real-ld:
>>> cannot find crtbegin.o: No such file or directory
>>> /opt/sdk/vms/2.0.2/sysroots/x86_64-pokysdk-linux/usr/libexec/sh4-poky-linux/gcc/sh4-poky-linux/4.9.3/real-ld:
>>> cannot find -lgcc
>>> /opt/sdk/vms/2.0.2/sysroots/x86_64-pokysdk-linux/usr/libexec/sh4-poky-linux/gcc/sh4-poky-linux/4.9.3/real-ld:
>>> cannot find -lgcc_s
>>> /opt/sdk/vms/2.0.2/sysroots/x86_64-pokysdk-linux/usr/libexec/sh4-poky-linux/gcc/sh4-poky-linux/4.9.3/real-ld:
>>> cannot find -lc
>>> /opt/sdk/vms/2.0.2/sysroots/x86_64-pokysdk-linux/usr/libexec/sh4-poky-linux/gcc/sh4-poky-linux/4.9.3/real-ld:
>>> cannot find -lgcc
>>> /opt/sdk/vms/2.0.2/sysroots/x86_64-pokysdk-linux/usr/libexec/sh4-poky-linux/gcc/sh4-poky-linux/4.9.3/real-ld:
>>> cannot find -lgcc_s
>>> /opt/sdk/vms/2.0.2/sysroots/x86_64-pokysdk-linux/usr/libexec/sh4-poky-linux/gcc/sh4-poky-linux/4.9.3/real-ld:
>>> cannot find crtend.o: No such file or directory
>>> /opt/sdk/vms/2.0.2/sysroots/x86_64-pokysdk-linux/usr/libexec/sh4-poky-linux/gcc/sh4-poky-linux/4.9.3/real-ld:
>>> cannot find crtn.o: No such file or directory
>>>
>>> So I tried the compiler and sysroot from the build
>>> CC=/ws/vms/vms-rsc-yocto-build/build_vms/tmp/sysroots/x86_64-linux/usr/bin/sh4-poky-linux/sh4-poky-linux-gcc
>>> SYSROOT=/ws/vms/vms-rsc-yocto-build/build_vms/tmp/sysroots/sh7760
>>>
>>> hellomake: HelloWorld.c
>>> $(CC) --sysroot=$(SYSROOT) -o HelloWorld HelloWorld.c
>>>
>>> and it compiles fine.
>>>
>>> So I ran $CC -print-search-dirs
>>> install: /opt/sdk/vms/2.0.2/sysroots/x86_64-pokysdk-linux/usr/lib/sh4-poky-linux/gcc/sh4-poky-linux/4.9.3/
>>> programs: =/opt/sdk/vms/2.0.2/sysroots/x86_64-pokysdk-linux/usr/libexec/sh4-poky-linux/gcc/sh4-poky-linux/4.9.3/:/opt/sdk/vms/2.0.2/sysroots/x86_64-pokysdk-linux/usr/libexec/sh4-poky-linux/gcc/sh4-poky-linux/4.9.3/:/opt/sdk/vms/2.0.2/sysroots/x86_64-pokysdk-linux/usr/libexec/sh4-poky-linux/gcc/sh4-poky-linux/:/opt/sdk/vms/2.0.2/sysroots/x86_64-pokysdk-linux/usr/lib/sh4-poky-linux/gcc/sh4-poky-linux/4.9.3/:/opt/sdk/vms/2.0.2/sysroots/x86_64-pokysdk-linux/usr/lib/sh4-poky-linux/gcc/sh4-poky-linux/:/opt/sdk/vms/2.0.2/sysroots/x86_64-pokysdk-linux/usr/lib/sh4-poky-linux/gcc/sh4-poky-linux/4.9.3/../../../../../sh4-poky-linux/bin/sh4-poky-linux/4.9.3/:/opt/sdk/vms/2.0.2/sysroots/x86_64-pokysdk-linux/usr/lib/sh4-poky-linux/gcc/sh4-poky-linux/4.9.3/../../../../../sh4-poky-linux/bin/
>>> libraries: =/opt/sdk/vms/2.0.2/sysroots/x86_64-pokysdk-linux/usr/lib/sh4-poky-linux/gcc/sh4-poky-linux/4.9.3/:/opt/sdk/vms/2.0.2/sysroots/x86_64-pokysdk-linux/usr/lib/sh4-poky-linux/gcc/sh4-poky-linux/4.9.3/../../../../../sh4-poky-linux/lib/sh4-poky-linux/4.9.3/:/opt/sdk/vms/2.0.2/sysroots/x86_64-pokysdk-linux/usr/lib/sh4-poky-linux/gcc/sh4-poky-linux/4.9.3/../../../../../sh4-poky-linux/lib/:/opt/sdk/vms/2.0.2/sysroots/sh4-poky-linux/m4/lib/sh4-poky-linux/4.9.3/:/opt/sdk/vms/2.0.2/sysroots/sh4-poky-linux/m4/lib/:/opt/sdk/vms/2.0.2/sysroots/sh4-poky-linux/m4/usr/lib/sh4-poky-linux/4.9.3/:/opt/sdk/vms/2.0.2/sysroots/sh4-poky-linux/m4/usr/lib/
>>>
>>> Then I checked that these files exist:
>>> martin at martin-ubuntu-pconcepts:/opt/sdk/vms/2.0.2/sysroots/sh4-poky-linux$
>>> find $SDKTARGETSYSROOT -name "crt*"
>>> /opt/sdk/vms/2.0.2/sysroots/sh4-poky-linux/usr/lib/crtn.o
>>> /opt/sdk/vms/2.0.2/sysroots/sh4-poky-linux/usr/lib/crti.o
>>> /opt/sdk/vms/2.0.2/sysroots/sh4-poky-linux/usr/lib/crt1.o
>>> /opt/sdk/vms/2.0.2/sysroots/sh4-poky-linux/usr/lib/sh4-poky-linux/4.9.3/crtendS.o
>>> /opt/sdk/vms/2.0.2/sysroots/sh4-poky-linux/usr/lib/sh4-poky-linux/4.9.3/crtend.o
>>> /opt/sdk/vms/2.0.2/sysroots/sh4-poky-linux/usr/lib/sh4-poky-linux/4.9.3/crtbeginT.o
>>> /opt/sdk/vms/2.0.2/sysroots/sh4-poky-linux/usr/lib/sh4-poky-linux/4.9.3/crtbeginS.o
>>> /opt/sdk/vms/2.0.2/sysroots/sh4-poky-linux/usr/lib/sh4-poky-linux/4.9.3/crtbegin.o
>>>
>>> Putting the library search directories on a separate line
>>> martin at martin-ubuntu-pconcepts:/opt/sdk/vms/2.0.2/sysroots/sh4-poky-linux$
>>> $CC -print-search-dirs | grep "^libraries:" | tr ':' '\n'
>>> libraries
>>> =/opt/sdk/vms/2.0.2/sysroots/x86_64-pokysdk-linux/usr/lib/sh4-poky-linux/gcc/sh4-poky-linux/4.9.3/
>>> /opt/sdk/vms/2.0.2/sysroots/x86_64-pokysdk-linux/usr/lib/sh4-poky-linux/gcc/sh4-poky-linux/4.9.3/../../../../../sh4-poky-linux/lib/sh4-poky-linux/4.9.3/
>>> /opt/sdk/vms/2.0.2/sysroots/x86_64-pokysdk-linux/usr/lib/sh4-poky-linux/gcc/sh4-poky-linux/4.9.3/../../../../../sh4-poky-linux/lib/
>>> /opt/sdk/vms/2.0.2/sysroots/sh4-poky-linux/m4/lib/sh4-poky-linux/4.9.3/
>>> /opt/sdk/vms/2.0.2/sysroots/sh4-poky-linux/m4/lib/
>>> /opt/sdk/vms/2.0.2/sysroots/sh4-poky-linux/m4/usr/lib/sh4-poky-linux/4.9.3/
>>> /opt/sdk/vms/2.0.2/sysroots/sh4-poky-linux/m4/usr/lib/
>>>
>>> So it looks like there is a spurious m4 is the library path.  Anyone
>>> know why this has happened and how I can fix it before I wade into the
>>> populate_sdk task.
>>>
>>
>> Can you pass --disable-multilib to gcc cross canadian configure options ?
>>
>>> We are using the Jethro branch and we have fixed the GCC version to
>>> 4.9.3 because this version works for SH4.
>>>
>>> Many Thanks,
>>> Martin.
>>> --
>>> _______________________________________________
>>> yocto mailing list
>>> yocto at yoctoproject.org
>>> https://lists.yoctoproject.org/listinfo/yocto
>>
>
> Thanks for the swift reply Khem.  I commented out the line from
> gcc-cross-candian.inc
> #GCCMULTILIB = "--enable-multilib"
>
> and tried
>  --disable-multilib
> in the EXTRA_OECONF
>
> but I still get the same error when linking.  Let me know if there is
> anything else I could try as I'm stumped.  Is there a workaround just
> so I can get the developers up and running?
>
> Cheers, Martin.

OK I have a workaround I create a symlink in the target sysroot
/opt/vms/sdk/2.0.2/sysroots/sh4-poky-linux/m4 -> .

And everything now compiles fine.
Any ideas on how to fix this in the GCC cross canadian recipe?

Cheers, Martin.