simbit18 opened a new pull request, #14892:
URL: https://github.com/apache/nuttx/pull/14892
## Summary
This issue is related to the Arm toolchain for Windows which is available
for x86 host architecture only (compatible with x86_64)
```
Windows (mingw-w64-i686) hosted cross toolchains
AArch32 bare-metal target (arm-none-eabi)
```
Issue
`/bin/sh: line 1:
/home/nuttx/nuttxnew/tools/gcc-arm-none-eabi/bin/arm-none-eabi-ar: Argument
list too long`
On Windows, arm-none-eabi-ar can only accept strings up to a maximum length
of 32,768 characters.
We could suppress the 32K include string limitation by setting the CMake
variable CMAKE_NINJA_FORCE_RESPONSE_FILE to ON.
This is unfortunately not enough!!! ):
In the build phase this error comes out
```
$ cmake --build build
[2/1025] Building ASM object
arch/CMakeFiles/arch.dir/arm/src/armv7-m/arm_exception.S.obj FAILED:
arch/CMakeFiles/arch.dir/arm/src/armv7-m/arm_exception.S.obj
/home/nuttx/nuttxnew/tools/gcc-arm-none-eabi/bin/arm-none-eabi-gcc.exe
@arch/CMakeFiles/arch.dir/arm/src/armv7-m/arm_exception.S.obj.rsp -MD -MT
arch/CMakeFiles/arch.dir/arm/src/armv7-m/arm_exception.S.obj -MF
arch/CMakeFiles/arch.dir/arm/src/armv7-m/arm_exception.S.obj.d -o
arch/CMakeFiles/arch.dir/arm/src/armv7-m/arm_exception.S.obj -c
/home/nuttx/nxninja/nuttx/arch/arm/src/armv7-m/arm_exception.S
C:/msys64/home/nuttx/nxninja/nuttx/arch/arm/src/armv7-m/arm_exception.S:42:10:
fatal error: nuttx/config.h: No such file or directory
42 | #include <nuttx/config.h>
| ^~~~~~~~~~~~~~~~
compilation terminated.
```
The Workround I found to solve this problem is to overwrite the responsible
file flag CMAKE_${lang}_RESPONSE_FILE_FLAG with $DEFINES $INCLUDES $FLAGS
workflows/build.yml
Enable CMake+Ninja for Msys2
#14014
https://github.com/apache/nuttx-apps/issues/2672
## Impact
Impact on user: No changes to user-facing functionality
Impact on build: Build process remains the same
## Testing
[Github linux and
msys2](https://github.com/simbit18/nuttx_test_pr/actions/runs/11954180521)
local msys2
```
$ cmake -B build -DBOARD_CONFIG=nucleo-l152re:nsh -GNinja
-- Initializing NuttX
Select HOST_WINDOWS=y
Select WINDOWS_MSYS=y
-- CMake: 3.28.1
-- Ninja: 1.11.1
-- Board: nucleo-l152re
-- Config: nsh
-- Appdir: /home/nuttx/nxninja/apps
-- The C compiler identification is GNU 13.2.1
-- The CXX compiler identification is GNU 13.2.1
-- The ASM compiler identification is GNU
-- Found assembler:
/home/nuttx/nuttxnew/tools/gcc-arm-none-eabi/bin/arm-none-eabi-gcc.exe
-- Configuring done (16.9s)
-- Generating done (8.0s)
-- Build files have been written to: /home/nuttx/nxninja/nuttx/build
$ cmake --build build
[27/1025] Building C object
arch/CMakeFiles/arch.dir/arm/src/stm32/stm32_gpio.c.obj
C:/msys64/home/nuttx/nxninja/nuttx/arch/arm/src/stm32/stm32_gpio.c:41:11:
note: '#pragma message: CONFIG_STM32_USE_LEGACY_PINMAP will be deprecated
migrate board.h see tools/stm32_pinmap_tool.py'
41 | # pragma message "CONFIG_STM32_USE_LEGACY_PINMAP will be deprecated
migrate board.h see tools/stm32_pinmap_tool.py"
| ^~~~~~~
[1022/1025] Linking C executable nuttx
Memory region Used Size Region Size %age Used
flash: 55500 B 512 KB 10.59%
sram: 3700 B 80 KB 4.52%
[1025/1025] Generating System.map
```
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