Re: [Linuxptp-users] Cross compiling for ARM imx6

[Richard C. <ric...@gm...>]

On Mon, Jan 02, 2017 at 03:15:41PM +0100, Axel Holzinger wrote:
> I try to cross compile linuxptpt on Xubuntu 16.04 for i686 32 bit with a
> Linux 4.1.15 cross tool chain for ARM's imx6 and gcc 5.2.0, but I get some
> erros and I'm not expert enough to get this resolved, unfortunately.
> 
> Perhaps somebody reading this list has an idea what I did do wrong.
> 
> This is the make output:
> imx6@imx6-VirtualBox:~/Projects/linuxptp-1.8$ make
> arm-poky-linux-gnueabi-gcc -Wall -DVER=1.8  -D_GNU_SOURCE
> -DHAVE_ONESTEP_SYNC     -c -o ptp4l.o ptp4l.c

...

> CC=arm-poky-linux-gnueabi-gcc  -march=armv7-a -mfloat-abi=hard -mfpu=neon
> -mtune=cortex-a9
> --sysroot=/opt/fsl-imx-x11/4.1.15-1.2.0/sysroots/cortexa9hf-vfp-neon-poky-linux-gnueabi

...

> SDKTARGETSYSROOT=/opt/fsl-imx-x11/4.1.15-1.2.0/sysroots/cortexa9hf-vfp-neon-poky-linux-gnueabi

Probably you only need to add --sysroot

	make EXTRA_CFLAGS=--sysroot=$SDKTARGETSYSROOT

HTH,
Richard