Re: [ptxdist] migrating a BSP from 2012.03.0 to 2019.03.1 , building kernel module for linux-3.0.35

[Ahmad Fatoum <a.fatoum@pengutronix.de>]

Hello Patrick,

On 23/4/19 19:01, Patrick Murray wrote:
> Hi ,
> 
> I am getting this include error while building a kernel module after migrating from BSP 2012.03.0 to 2019.03.1 .
> 
> What's the easiest route to proceed .
> 
> Regards
> P.
> 
> -D"KBUILD_BASENAME=KBUILD_STR(bounds)"  -D"KBUILD_MODNAME=KBUILD_STR(bounds)" -fverbose-asm -S -o kernel/bounds.s kernel/bounds.c
> In file included from include/linux/compiler.h:48:0,
>                  from include/linux/stddef.h:4,
>                  from include/linux/posix_types.h:4,
>                  from include/linux/types.h:17,
>                  from include/linux/page-flags.h:8,
>                  from kernel/bounds.c:9:
> include/linux/compiler-gcc.h:94:30: fatal error: linux/compiler-gcc5.h: No such file or directory

GCC 5.x was released 2015, while Linux 3.0.35 you attempt to build came out in 2012.

Your options are (in the order I would suggest):
- update your kernel to one that supports GCC 5.x (and preferably still gets bug fixes)
- using an older toolchain for the kernel
- transplant GCC 5.x support into your 3.0.35 kernel (just copying the header isn't enough, you
  must verify that you don't miss any other gcc 5.x specific patches)

Cheers
Ahmad

> compilation terminated.
> make[2]: *** [/opt/PHYTEC_BSPs/BSP-Phytec-phyFLEX-i.MX6-PD13.2.4/platform-phyFLEX-i.MX6/build-target/linux-3.0.35/./Kbuild:36: kernel/bounds.s] Error 1
> make[1]: *** [Makefile:985: prepare0] Error 2
> make[1]: Leaving directory '/opt/PHYTEC_BSPs/BSP-Phytec-phyFLEX-i.MX6-PD13.2.4/platform-phyFLEX-i.MX6/build-target/linux-3.0.35'
> make: *** [/opt/lib/ptxdist-2019.03.1/rules/kernel.make:178: /opt/PHYTEC_BSPs/BSP-Phytec-phyFLEX-i.MX6-PD13.2.4/platform-phyFLEX-i.MX6/state/kernel.compile] Error 2
> dak@CNU35294ZR:/opt/PHYTEC_BSPs/BSP-Phytec-phyFLEX-i.MX6-PD13.2.4$
> dak@CNU35294ZR:/opt/PHYTEC_BSPs/BSP-Phytec-phyFLEX-i.MX6-PD13.2.4$ gcc --version
> gcc (Ubuntu 8.2.0-7ubuntu1) 8.2.0
> Copyright (C) 2018 Free Software Foundation, Inc.
> This is free software; see the source for copying conditions.  There is NO
> warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
> 
> dak@CNU35294ZR:/opt/PHYTEC_BSPs/BSP-Phytec-phyFLEX-i.MX6-PD13.2.4$ uname -r
> 4.18.0-17-generic
> dak@CNU35294ZR:/opt/PHYTEC_BSPs/BSP-Phytec-phyFLEX-i.MX6-PD13.2.4$
> dak@CNU35294ZR:/opt/PHYTEC_BSPs/BSP-Phytec-phyFLEX-i.MX6-PD13.2.4$ ptxdist print PATH
> /opt/PHYTEC_BSPs/BSP-Phytec-phyFLEX-i.MX6-PD13.2.4/platform-phyFLEX-i.MX6/sysroot-host/bin:/opt/PHYTEC_BSPs/BSP-Phytec-phyFLEX-i.MX6-PD13.2.4/platform-phyFLEX-i.MX6/sysroot-host/sbin:/opt/PHYTEC_BSPs/BSP-Phytec-phyFLEX-i.MX6-PD13.2.4/selected_toolchain:/opt/lib/ptxdist-2019.03.1/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games:/usr/local/games:/snap/bin:/opt/bin
> dak@CNU35294ZR:/opt/PHYTEC_BSPs/BSP-Phytec-phyFLEX-i.MX6-PD13.2.4$
> dak@CNU35294ZR:/opt/PHYTEC_BSPs/BSP-Phytec-phyFLEX-i.MX6-PD13.2.4$ ^C
> dak@CNU35294ZR:/opt/PHYTEC_BSPs/BSP-Phytec-phyFLEX-i.MX6-PD13.2.4$ ptxdist toolchain
> found and using toolchain:
> '/opt/OSELAS.Toolchain-2016.06.0/arm-v5te-linux-gnueabi/gcc-5.4.0-glibc-2.23-binutils-2.26-kernel-4.6-sanitized/bin'
> 
> dak@CNU35294ZR:/opt/PHYTEC_BSPs/BSP-Phytec-phyFLEX-i.MX6-PD13.2.4$
> dak@CNU35294ZR:/opt/PHYTEC_BSPs/BSP-Phytec-phyFLEX-i.MX6-PD13.2.4$<mailto:dak@CNU35294ZR:/opt/PHYTEC_BSPs/BSP-Phytec-phyFLEX-i.MX6-PD13.2.4$>
> 
> dak@CNU35294ZR:/opt/PHYTEC_BSPs/BSP-Phytec-phyFLEX-i.MX6-PD13.2.4/platform-phyFLEX-i.MX6/build-target/linux-3.0.35/include$ find . -name compiler*.h
> ./linux/compiler.h
> ./linux/compiler-gcc.h
> ./linux/compiler-intel.h
> ./linux/compiler-gcc4.h
> ./linux/compiler-gcc3.h
> dak@CNU35294ZR:/opt/PHYTEC_BSPs/BSP-Phytec-phyFLEX-i.MX6-PD13.2.4/platform-phyFLEX-i.MX6/build-target/linux-3.0.35/include$<mailto:dak@CNU35294ZR:/opt/PHYTEC_BSPs/BSP-Phytec-phyFLEX-i.MX6-PD13.2.4/platform-phyFLEX-i.MX6/build-target/linux-3.0.35/include$>
> 
> 
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