Ported a New Architecture & Toolchain into Zephyr for Microchip dsPIC33AK (200 MHz 32-bit Digital Signal Controller) –Building C Object failed

[Harish-00774]

I have added support for the dsPIC33AK128MC106 MCU/Board from Microchip to Zephyr RTOS and enabled this new architecture in the Zephyr RTOS kernel. Additionally, we have integrated the XC-DSC toolchain as per your guidance in (#81313).

However, we are encountering issues while building object files for the following:

[8/103] Building C object zephyr/CMakeFiles/zephyr_pre0.dir/misc/empty_file.c.obj                                                                          
FAILED: zephyr/CMakeFiles/zephyr_pre0.dir/misc/empty_file.c.obj
ccache C:\PROGRA~1\MICROC~1\xc-dsc\v3.10\bin\XC40A4~1.EXE  -IC:/users/emira/zephyrproject/modules/hal/microchip/include  -MD -MT zephyr/CMakeFiles/zephyr_pre0.dir/misc/empty_file.c.obj -MF zephyr\CMakeFiles\zephyr_pre0.dir\misc\empty_file.c.obj.d -o zephyr/CMakeFiles/zephyr_pre0.dir/misc/empty_file.c.obj -c C:/zephyrproject/zephyr/misc/empty_file.c
[9/103] Building C object zephyr/CMakeFiles/offsets.dir/arch/modified_harvard/core/offsets/offsets.c.obj
FAILED: zephyr/CMakeFiles/offsets.dir/arch/modified_harvard/core/offsets/offsets.c.obj

Please review the build failure details in the attached log:

-- west build: generating a build system
Loading Zephyr default modules (Zephyr base).
-- Application: C:/zephyrproject/zephyr/samples/hello_world
-- CMake version: 3.28.3
-- Found Python3: C:/Python311/python.exe (found suitable version "3.11.8", minimum required is "3.10") found components: Interpreter 
-- Cache files will be written to: C:/zephyrproject/zephyr/.cache
-- Zephyr version: 4.1.0-rc1 (C:/zephyrproject/zephyr)
-- Found west (found suitable version "1.2.0", minimum required is "0.14.0")
-- Board: dspic33ak128mc106, qualifiers: dspic33ak128mc106
-- Found host-tools: zephyr 0.17.0 (C:/zephyrproject/zephyr-sdk-0.17.0)
-- Using Harvard-DSC toolchain from C:/Program Files/Microchip/xc-dsc/v3.10
-- Found Dtc: C:/ProgramData/chocolatey/bin/dtc.exe (found suitable version "1.5.0", minimum required is "1.4.6") 
-- Found BOARD.dts: C:/zephyrproject/zephyr/boards/microchip/dspic33ak/dspic33ak128mc106.dts
-- Generated zephyr.dts: C:/zephyrproject/zephyr/build/zephyr/zephyr.dts
-- Generated pickled edt: C:/zephyrproject/zephyr/build/zephyr/edt.pickle
-- Generated devicetree_generated.h: C:/zephyrproject/zephyr/build/zephyr/include/generated/zephyr/devicetree_generated.h
-- Including generated dts.cmake file: C:/zephyrproject/zephyr/build/zephyr/dts.cmake
Parsing C:/zephyrproject/zephyr/Kconfig
Loaded configuration 'C:/zephyrproject/zephyr/boards/microchip/dspic33ak/dspic33ak128mc106_defconfig'
Merged configuration 'C:/zephyrproject/zephyr/samples/hello_world/prj.conf'
Configuration saved to 'C:/zephyrproject/zephyr/build/zephyr/.config'
Kconfig header saved to 'C:/zephyrproject/zephyr/build/zephyr/include/generated/zephyr/autoconf.h'
-- The C compiler identification is GNU 8.3.1
-- The CXX compiler identification is unknown
-- The ASM compiler identification is GNU
-- Found assembler: C:/Program Files/Microchip/xc-dsc/v3.10/bin/xc-dsc-gcc.exe
-- C++ support is disabled for dsPIC33AK

-- Configuring done (14.7s)
-- Generating done (0.3s)
-- Build files have been written to: C:/zephyrproject/zephyr/build
←[92m-- west build: building application
[2/103] Generating include/generated/zephyr/version.h
-- Zephyr version: 4.1.0-rc1 (C:/zephyrproject/zephyr)
[8/103] Building C object zephyr/CMakeFiles/zephyr_pre0.dir/misc/empty_file.c.obj                                                                          
FAILED: zephyr/CMakeFiles/zephyr_pre0.dir/misc/empty_file.c.obj
ccache C:\PROGRA~1\MICROC~1\xc-dsc\v3.10\bin\XC40A4~1.EXE  -IC:/users/emira/zephyrproject/modules/hal/microchip/include  -MD -MT zephyr/CMakeFiles/zephyr_pre0.dir/misc/empty_file.c.obj -MF zephyr\CMakeFiles\zephyr_pre0.dir\misc\empty_file.c.obj.d -o zephyr/CMakeFiles/zephyr_pre0.dir/misc/empty_file.c.obj -c C:/zephyrproject/zephyr/misc/empty_file.c
[9/103] Building C object zephyr/CMakeFiles/offsets.dir/arch/modified_harvard/core/offsets/offsets.c.obj
FAILED: zephyr/CMakeFiles/offsets.dir/arch/modified_harvard/core/offsets/offsets.c.obj
ccache C:\PROGRA~1\MICROC~1\xc-dsc\v3.10\bin\XC40A4~1.EXE -DCONFIG_KERNEL_ENTRY=start -DKERNEL -DK_HEAP_MEM_POOL_SIZE=0 -DZEPHYR_=1 -IC:/users/emira/zephyrproject/modules/hal/microchip/include -IC:/zephyrproject/zephyr/kernel/include -IC:/zephyrproject/zephyr/arch/modified_harvard/include -IC:/zephyrproject/zephyr/build/zephyr/include/generated/zephyr -IC:/zephyrproject/zephyr/include -IC:/zephyrproject/zephyr/build/zephyr/include/generated -IC:/zephyrproject/zephyr/soc/microchip/dspic33ak -IC:/zephyrproject/zephyr/soc/microchip/dspic33ak/. -isystem C:/zephyrproject/zephyr/lib/libc/minimal/include -isystem C:/zephyrproject/zephyr/lib/libc/common/include C:/zephyrproject/zephyr/build/zephyr/include/generated/zephyr/autoconf.h C:/zephyrproject/zephyr/include/zephyr/toolchain/zephyr_stdint.h c99 -MD -MT zephyr/CMakeFiles/offsets.dir/arch/modified_harvard/core/offsets/offsets.c.obj -MF zephyr\CMakeFiles\offsets.dir\arch\modified_harvard\core\offsets\offsets.c.obj.d -o zephyr/CMakeFiles/offsets.dir/arch/modified_harvard/core/offsets/offsets.c.obj -c C:/zephyrproject/zephyr/arch/modified_harvard/core/offsets/offsets.c
ninja: build stopped: subcommand failed.
FATAL ERROR: command exited with status 1: 'C:\Program Files\CMake\bin\cmake.EXE' --build 'C:\zephyrproject\zephyr\build'

Any guidance on resolving these build failures would be greatly appreciated.

[Udhayanandhan13]

-- The C compiler identification is GNU 8.3.1
-- The CXX compiler identification is unknown
-- The ASM compiler identification is GNU
-- Found assembler: C:/Program Files/Microchip/xc-dsc/v3.10/bin/xc-dsc-gcc.exe
-- C++ support is disabled for dsPIC33AK.

Hi harish, may I know how you disabled the cxx compiler identification?