[U-Boot] Attempting to cross compile u-boot tools for my arm target using yocto toolchain with no success.

[Bin Meng]

Hi,

On Thu, Sep 13, 2018 at 12:10 PM Davis Roman <davis.roman84 at gmail.com> wrote:
>
> Hello,
>
> I'm banging my head trying to figure out why I'm unable to cross compile
> the u-boot tools for my target.
>
> Currently, I'm able to run the following commands without any issue:
>
> davis at XPS-15-9560:/tmp/uboot-imx$ git clone git://
> git.freescale.com/imx/uboot-imx.git
> davis at XPS-15-9560:/tmp/uboot-imx$ git checkout imx_v2017.03_4.9.11_1.0.0_ga
> davis at XPS-15-9560:/tmp/uboot-imx$ source
> /opt/hon-grip-sdk/sdk/environment-setup-armv7ahf-neon-poky-linux-gnueabi

What is inside in this script file?

> davis at XPS-15-9560:/tmp/uboot-imx$ echo $CC
> arm-poky-linux-gnueabi-gcc -march=armv7-a -marm -mfpu=neon -mfloat-abi=hard
> --sysroot=/opt/hon-grip-sdk/sdk/sysroots/armv7ahf-neon-poky-linux-gnueabi
> davis at XPS-15-9560:/tmp/uboot-imx$ make mx6sxsabresd_defconfig
> davis at XPS-15-9560:/tmp/uboot-imx$ make u-boot.imx -j8
> davis at XPS-15-9560:/tmp/uboot-imx$ make tools
>
> however I get an error when I run the following to cross compile the u-boot
> tools:
>
> davis at XPS-15-9560:/tmp/uboot-imx$ make cross_tools
>   CHK     include/config/uboot.release
>   CHK     include/generated/version_autogenerated.h
>   CHK     include/generated/timestamp_autogenerated.h
>   UPD     include/generated/timestamp_autogenerated.h
>   CHK     include/generated/generic-asm-offsets.h
>   CHK     include/generated/asm-offsets.h
>   HOSTCC  tools/bmp_logo
> In file included from ././include/compiler.h:19:0,
>                  from ././include/libfdt_env.h:12,
>                  from <command-line>:0:
> /opt/hon-grip-sdk/sdk/sysroots/x86_64-pokysdk-linux/usr/lib/arm-poky-linux-gnueabi/gcc/arm-poky-linux-gnueabi/5.3.0/include/stdint.h:9:26:

It looks wrong that your HOSTCC calls your cross compiler.

> fatal error: stdint.h: No such file or directory
> compilation terminated.
> scripts/Makefile.host:99: recipe for target 'tools/bmp_logo' failed
> make[1]: *** [tools/bmp_logo] Error 1
> Makefile:1229: recipe for target 'tools' failed
> make: *** [tools] Error 2
> davis at XPS-15-9560:/tmp/uboot-imx$
>
>
> I would appreciate any suggestions.

Please try:

$ export CROSS_COMPILE=/path/to/your/yocto/toolchain
$ make <your_defconfig>
$ make

Regards,
Bin