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Questions about CROSS_COMPILE path

Question asked by Thanh Duong on Dec 24, 2017
Latest reply on Jan 8, 2018 by Thanh Duong

Sorry, i am a new guy and I have a problem when I try to understand about configuring u-boot in imx6soloqsabresd.

"Create a shell script under <UBOOT_DIR> named build_u-boot.sh.
The file contents are as follows:
#!/bin/bash
export ARCH=arm
export CROSS_COMPILE=<path to cross compiler prefix> (e.g.,
/opt/poky/1.4.1/sysroots/i686-pokysdk-linux/usr/bin/cortexa9hf-vfp-neon-poky-linuxgnueabi/
arm-poky-linux-gnueabimake-
make distclean;
make mx<custom board name>_config
make"

 

How can I know the exact <path to cross compiler prefix>  is?

What does 1.4.1 means? In another document, I found that number were changed to 2.0.1 or 1.8.9,...

 

 Thank you.

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