[yocto] SDK Problems for SuperH 4

[Khem Raj]

> 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.
> --
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> yocto at yoctoproject.org
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