[meta-xilinx] gcc-cross-initial libgcc configure/compilation problems

[Martin Townsend]

Hi Elvis,

Thanks for the info, this is what I was starting to do so it was good to 
see I was on the right lines.  I have created myself a layer and added 
an ml605-microblazeel.conf file to setup my machine and I have got a lot 
further.   I've been tripped up by the attr package which gives me the 
following output:

| configure: WARNING: unrecognized options: --disable-silent-rules, 
--disable-dependency-tracking, --with-libtool-sysroot, --enable-nls
| checking build system type... x86_64-pc-linux-gnu
| checking host system type... Invalid configuration 
`microblazeel-poky-linux': machine `microblazeel-poky' not recognized
| configure: error: /bin/bash ./config.sub microblazeel-poky-linux failed


So it looks like I've got a bunch of unrecognized options which are 
Warnings but the error occurs as it doesn't understand 
microblazeel-poky-linux.  Looking through the work area I see that 
config.sub supports microblaze but not microblazeel.  So I hacked 
config.sub to add in microblazeel and it has built.  Is this the correct 
thing to do or should I be telling configure to use microblaze-poky-linux.

Best Regards,
Martin.

On 28/11/13 12:45, Elvis Dowson wrote:
> Hi Martin,
>
> On Nov 28, 2013, at 4:04 PM, Martin Townsend 
> <martin.townsend at xsilon.com <mailto:martin.townsend at xsilon.com>> wrote:
>
>> I did try and received the following error
>> ERROR:  OE-core's config sanity checker detected a potential 
>> misconfiguration.
>>    Either fix the cause of this error or at your own risk disable the 
>> checker (see sanity.conf).
>>    Following is the list of potential problems / advisories:
>>
>>    Please set a valid MACHINE in your local.conf or environment
>>
>> So I tried microblaze as well as microblazeel for the MACHINE with no 
>> joy.
>
> If you look at the meta-xilinx repository, it currently lists the 
> following machines
>
> http://git.yoctoproject.org/cgit/cgit.cgi/meta-xilinx/tree/conf/machine
>
> kc705-trd-microblazeel.conf
> qemumicroblaze.conf
> qemuzynq.conf
> zc702-zynq7.conf
> zc706-zynq7.conf
> zedboard-zynq7.conf
>
> If you're using an ML605 board, try to create a new 
> ml605-microblazeel.conf file with the following contents, but obtain 
> the correct *.dts and xparameters.h file and .kconfig.cfg file from 
> say the Petalinux distribution.
>
> Filename: ml605-microblazeel.conf
>
> #@TYPE: Machine
> #@NAME: ml605-microblazeel
> #@DESCRIPTION: Machine support for Xilinx ML605 Evaluation Board.
> #
>
> TARGET_CPU = "microblazeel"
> MACHINE_FEATURES := ""
>
> require conf/machine/include/tune-microblaze.inc
> require conf/machine/include/machine-xilinx-default.inc
> TUNE_FEATURES_tune-microblaze += "v8.50 little-endian barrel-shift 
> pattern-compare reorder multiply-low"
>
> SERIAL_CONSOLE = "115200 ttyS0"
>
> # Note: Obtain the correct files for the ML605
> #MACHINE_DEVICETREE := "ml605/ml605-microblazeel.dts"
> #MACHINE_KCONFIG := "ml605/ml605-microblazeel.kconfig.cfg" # try using 
> the kernel defaults first
> #MACHINE_XPARAMETERS := "ml605/ml605-microblazeel.xparameters.h"
>
>
> Then set your machine to ml605-microblazeel, and you should be able to 
> build a toolchain.
>
> However, the kernel build process will fail if you dont have the 
> correct dts and xparameters.h file, you might need to tweak the *.dts, 
> .kconfig.cfg and xparameters.h file, till you get it right, to build 
> the kernel and execute in on the board.
>
> You should do it in two steps,
> - build the toolchain using yocto
> - build the kernel, using the xilinx linux kernel repository, and the 
> kernel to boot properly. After that, you can include the dts, and 
> xparameters.h files, and have yocto build the kernel.
>
> Best regards,
>
> Elvis Dowson
>
>
>
>
>

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