CMAKE_${_CMAKE_PROCESSING_LANGUAGE}_COMPILER_ARCHITECTURE_ID not set

[SHO538]

Hello, and thank you for this useful tutorial. I'm trying to follow the minimal exemple tutorial, but I got an error at the step "cmake -B_builds -G "Ninja Multi-Config" --toolchain /path/to/iar-toolchain.cmake". In my case, I use simply "Ninja" instead of Ninja Multi-Config. Almost everything seems to be OK, but I got this error :

CMake Error at C:/Program Files/CMake/share/cmake-3.27/Modules/CMakeFindBinUtils.cmake:146 (message): Failed to find linker and librarian for IAR on .

I got into CMakeFindBinUtils.cmake file to understand this error message case, and I saw that the CMAKE_${_CMAKE_PROCESSING_LANGUAGE}_COMPILER_ARCHITECTURE_ID variable is empty. I think it should be "arm". Have you some elements ?

[felipe-iar]

Thank you for your feedback and for choosing IAR.

Please try this:

C:\Users\felipeto>cd cmake-tutorial\examples\arm\hello-world
C:\Users\felipeto\cmake-tutorial\examples\arm\hello-world>cmake -Bbuild -GNinja --toolchain ../../iar-toolchain.cmake
-- The C compiler identification is IAR ARM 9.40.1
-- Detecting C compiler ABI info
-- Detecting C compiler ABI info - done
-- Check for working C compiler: C:/IAR/EW/ARM/9.40.1.63915/arm/bin/iccarm.exe - skipped
-- Detecting C compile features
-- Detecting C compile features - done
-- Configuring done (1.1s)
-- Generating done (0.0s)
-- Build files have been written to: C:/Users/felipeto/cmake-tutorial/examples/arm/hello-world/build

C:\Users\felipeto\cmake-tutorial\examples\arm\hello-world>cmake --build build --verbose
Change Dir: 'C:/Users/felipeto/cmake-tutorial/examples/arm/hello-world/build'

Run Build Command(s): C:/Windows/ninja.exe -v
[1/2] C:\IAR\EW\ARM\9.40.1.63915\arm\bin\iccarm.exe  --silent C:\Users\felipeto\cmake-tutorial\examples\arm\hello-world\main.c   --cpu=Cortex-M4 --fpu=VFPv4_sp --dlib_config normal --dependencies=ns CMakeFiles\hello-world.dir\main.o.d -o CMakeFiles\hello-world.dir\main.o
[2/2] cmd.exe /C "cd . && C:\IAR\EW\ARM\9.40.1.63915\arm\bin\ilinkarm.exe CMakeFiles\hello-world.dir\main.o --silent   --semihosting --config C:/IAR/EW/ARM/9.40.1.63915/arm/config/linker/ST/stm32f407xG.icf   -o hello-world.elf && cd ."

C:\Users\felipeto\cmake-tutorial\examples\arm\hello-world>

Note As you can see, my tools were installed at C:/IAR/EW/ARM/9.40.1.63915 so that I set my TOOLKIT variable to C:/IAR/EW/ARM/9.40.1.63915. Here is my iar-toolchain.cmake for your reference:

# Toolchain File for the IAR C/C++ Compiler

Set CMake for cross-compiling

set(CMAKE_SYSTEM_NAME Generic)

TOOLKIT variable

Used for compiler installation detection.

#

When the installation can be found in a default location, use target architecture

- examples: arm, riscv, rh850, rl78, rx, stm8, 430, 8051, avr or v850

#

For custom installations, set it to the TOOLKIT_DIR for the target architecture

- example: "D:/IAR/ARM/9.40.1/arm"

set(TOOLKIT "C:/IAR/EW/ARM/9.40.1.63915/arm")

Get the toolchain target from the TOOLKIT

get_filename_component(CMAKE_SYSTEM_PROCESSOR ${TOOLKIT} NAME)

IAR C Compiler

find_program(CMAKE_C_COMPILER NAMES icc${CMAKE_SYSTEM_PROCESSOR} PATHS ${TOOLKIT} "$ENV{ProgramFiles}/IAR Systems/" "$ENV{ProgramFiles(x86)}/IAR Systems/" /opt/iarsystems/bx${CMAKE_SYSTEM_PROCESSOR} PATH_SUFFIXES bin ${CMAKE_SYSTEM_PROCESSOR}/bin REQUIRED )

IAR C++ Compiler

find_program(CMAKE_CXX_COMPILER NAMES icc${CMAKE_SYSTEM_PROCESSOR} PATHS ${TOOLKIT} "$ENV{PROGRAMFILES}/IAR Systems/" "$ENV{ProgramFiles(x86)}/IAR Systems/" /opt/iarsystems/bx${CMAKE_SYSTEM_PROCESSOR}- PATH_SUFFIXES bin ${CMAKE_SYSTEM_PROCESSOR}/bin REQUIRED )

IAR Assembler

find_program(CMAKE_ASM_COMPILER NAMES iasm${CMAKE_SYSTEM_PROCESSOR} a${CMAKE_SYSTEM_PROCESSOR} PATHS ${TOOLKIT} "$ENV{PROGRAMFILES}/IAR Systems/" "$ENV{ProgramFiles(x86)}/IAR Systems/" /opt/iarsystems/bx${CMAKE_SYSTEM_PROCESSOR} PATH_SUFFIXES bin ${CMAKE_SYSTEM_PROCESSOR}/bin REQUIRED )

Avoids running the linker during try_compile()

set(CMAKE_TRY_COMPILE_TARGET_TYPE STATIC_LIBRARY)

Set the TOOLKIT_DIR variable for the CMakeLists

get_filename_component(BIN_DIR ${CMAKE_C_COMPILER} DIRECTORY) get_filename_component(TOOLKIT_DIR ${BIN_DIR} PATH) unset(BIN_DIR)

Please adjust the paths as needed and let me know if that worked.

[SHO538]

Thank you for your answer. I tried to change the TOOLKIT variable from arm to my arm IAR path, but I still got the issue. It seems the TOOLKIT variable has no incidence at the end, the arch is empty.

Here is my iar-toolchain.cmake file.

# Toolchain File for the IAR C/C++ Compiler

# Action: Set the `TOOLKIT` variable
# Examples: arm, riscv, rh850, rl78, rx, stm8, 430, 8051, avr or v850
# Alternative: override the default TOOLKIT_DIR (/path/to/installation/<arch>)
set(TOOLKIT "C:/Program Files/IAR Systems/Embedded Workbench 9.0/arm")

# Get the toolchain target from the TOOLKIT
get_filename_component(CMAKE_SYSTEM_PROCESSOR ${TOOLKIT} NAME)

# Set CMake for cross-compiling
set(CMAKE_SYSTEM_NAME Generic)

# IAR C Compiler
find_program(CMAKE_C_COMPILER
  NAMES icc${CMAKE_SYSTEM_PROCESSOR}
  PATHS ${TOOLKIT}
        "$ENV{ProgramFiles}/IAR Systems/*"
        "$ENV{ProgramFiles\(x86\)}/IAR Systems/*"
        /opt/iarsystems/bx${CMAKE_SYSTEM_PROCESSOR}
  PATH_SUFFIXES bin ${CMAKE_SYSTEM_PROCESSOR}/bin
  REQUIRED )

# IAR C++ Compiler
find_program(CMAKE_CXX_COMPILER
  NAMES icc${CMAKE_SYSTEM_PROCESSOR}
  PATHS ${TOOLKIT}
        "$ENV{PROGRAMFILES}/IAR Systems/*"
        "$ENV{ProgramFiles\(x86\)}/IAR Systems/*"
        /opt/iarsystems/bx${CMAKE_SYSTEM_PROCESSOR}
  PATH_SUFFIXES bin ${CMAKE_SYSTEM_PROCESSOR}/bin
  REQUIRED )

# IAR Assembler
find_program(CMAKE_ASM_COMPILER
  NAMES iasm${CMAKE_SYSTEM_PROCESSOR} a${CMAKE_SYSTEM_PROCESSOR}
  PATHS ${TOOLKIT}
        "$ENV{PROGRAMFILES}/IAR Systems/*"
        "$ENV{ProgramFiles\(x86\)}/IAR Systems/*"
        /opt/iarsystems/bx${CMAKE_SYSTEM_PROCESSOR}
  PATH_SUFFIXES bin ${CMAKE_SYSTEM_PROCESSOR}/bin
  REQUIRED )

# Avoids running the linker during try_compile()
set(CMAKE_TRY_COMPILE_TARGET_TYPE STATIC_LIBRARY)

# Set the TOOLKIT_DIR variable for the CMakeLists
get_filename_component(BIN_DIR ${CMAKE_C_COMPILER} DIRECTORY)
get_filename_component(TOOLKIT_DIR ${BIN_DIR} PATH)

unset(BIN_DIR)

and here is my terminal output :

`C:\DEV\zephyr_iar\cmake-tutorial\examples\arm\hello-world>cmake -B_builds -GNinja --toolchain ..\..\iar-toolchain.cmake
-- The C compiler identification is IAR
CMake Error at C:/Program Files/CMake/share/cmake-3.27/Modules/CMakeFindBinUtils.cmake:146 (message):
  Failed to find linker and librarian for IAR on .
Call Stack (most recent call first):
  C:/Program Files/CMake/share/cmake-3.27/Modules/CMakeDetermineCCompiler.cmake:196 (include)
  CMakeLists.txt:5 (project)

-- Configuring incomplete, errors occurred!

C:\DEV\zephyr_iar\cmake-tutorial\examples\arm\hello-world>`

I printed CMAKE_SYSTEM_PROCESSOR and CMAKE_C_COMPILER value to check, and they are OK : CMAKE_SYSTEM_PROCESSOR = arm CMAKE_C_COMPILER = C:/Program Files/IAR Systems/Embedded Workbench 9.0/arm/bin/iccarm.exe

But after that, it seems the ARM part is missing. We can see that the difference between us is on the C compiler value seen by cmake. You : -- The C compiler identification is IAR ARM 9.40.1 Me : -- The C compiler identification is IAR

Don't know how to fix that...

[felipe-iar]

Thanks for your reply. The only difference I can immediately spot is the position in which we set CMAKE_SYSTEM_NAME to Generic. This enables CMake for cross-compiling. Please try to move it to the top of your toolchain file and let me know if there was any difference.

[SHO538]

Thank you for replying so quickly.

I moved the

set(CMAKE_SYSTEM_NAME Generic) 

line to the top of the file, but I still have the same issue.

[felipe-iar]

Sometimes when CMake fails on initial detection, it caches broken location information. Please try removing _builds entirely and then re-run the CMake's configuration step with the updated toolchain file (CMAKE_SYSTEM_NAME on top). Does it change anything?

[SHO538]

Yes, I delete the _builds entirely each time before launching the CMake's configuration step command.

[felipe-iar]

May I ask which versions of CMake and IAR toolchain are currently in use at your end? I might try to reproduce this behavior from my end.

[SHO538]

Thank you for your help.

I finally SOLVED my issue. It was quite stupid. Actually, I had a IAR Compiler for ARM License issue. I just got a new License and now it works.

(For info : I moved back the set(CMAKE_SYSTEM_NAME Generic) line further in the file and it still works.)

I'm very sorry for the time loss.

[felipe-iar]

This is wonderful news and I am glad you figured it out yourself. 😃 I will update the toolchain file template with an additional message hinting that this might be the case.

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