Build Linux Image for HDL Coder

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John
John il 24 Feb 2025
Commentato: John il 24 Feb 2025
I'm trying to follow along with the documentation here: https://www.mathworks.com/help/hdlcoder/ug/xilinx-zynq-linux-image-for-custom-boards.html for creating the Linux image using Mathwork's buildroot. Eventually I have a custom board that I need to create an image for but initially I was trying to build image for the Arrow SoC kit. I did a git clone https://github.com/mathworks/buildroot and I checked out the mathworks_socfpga_R23.2.0 tag. I ran the command:
python build.py -b sockit -p socfpga --brconfig BR2_TOOLCHAIN_EXTERNAL_PATH='/opt/linaro/aarch32-6.3.1-2017.02'
However, it keeps failing on:
Incorrect selection of kernel headers: expected 3.1.x, got 4.6.x
I'm not able to resolve this by changing the header selection in make menuconfig. I'd appreciate any suggestions on how to resolve this. Thank you.
  1 Commento
John
John il 24 Feb 2025
I got passed this error by editing the following lines of board/mathworks/socfpga/defconfig/linaro.defconfig:
BR2_TOOLCHAIN_EXTERNAL_GCC_6=y
BR2_TOOLCHAIN_EXTERNAL_HEADERS_4_6=y
However, I am now getting the error:
freadahead.c: In function 'freadahead':
freadahead.c:92:3: error: #error "Please port gnulib freadahead.c to your platform! Look at the definition of fflush, fread, ungetc on your system, then report this to bug-gnulib."
92 | #error "Please port gnulib freadahead.c to your platform! Look at the definition of fflush, fread, ungetc on your system, then report this to bug-gnulib."
| ^~~~~
Thanks for any help.

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