Getting warning "

[Ranjit123]

Dear team,

   I am trying to build my CPP project with Nordic Zephyr SDK. I am using following commands:

west build --build-dir nrf_build -b nrf52840dk_nrf52840 sample -DZEPHYR_TOOLCHAIN_VARIANT="gnuarmemb" -DGNUARMEMB_TOOLCHAIN_PATH="/home/projects/gcc-arm-none-eabi-10.3-2021.10"

The following is part of my generated compile commands file:

"directory": "/home/projects/zephyrproject/nrf_build",
"command": "/home/projects/gcc-arm-none-eabi-10.3-2021.10/bin/arm-none-eabi-g++ -DCONFIG_ARMV8_M_DSP=1 -DENABLE_DROPIN_HEXDUMP=1 -DIOT_CONFIG_ENABLE_OBJECT_PRINT -DIOT_VERSION_MAJOR=1 -DIOT_VERSION_MINOR=1 -DIOT_VERSION_PATCH=0 -DKERNEL -DKERNEL=1 -DKNXIOT_ACCESS_TOKEN_MAX_COUNT=15 -DKNXIOT_BUILD_INTERFACE -DKNXIOT_LOG_LEVEL=7 -DKNX_IOT_PLATFORM_OS_DIR_zephyr -DKNX_KDC_DEBUG_VERBOSE=1 -DK_HEAP_MEM_POOL_SIZE=24000 -DMBEDTLS_CONFIG_FILE=\"\\\\\\\"nrf-config.h\\\\\\\"\" -DMBEDTLS_PSA_CRYPTO_CONFIG_FILE=\"\\\\\\\"nrf-psa-crypto-want-config.h\\\\\\\"\"

If you see it has multiple "\"s because of which I am getting the following warnings:

"<command-line>: warning: missing terminating " character"

[Susheel Nuguru]

We do not provide any C++ examples, but it is possible to write application code in C++ using the nRF Connect SDK / Zephyr if you need to. We do not directly support it, though. See C++ Support for Applications.

[Ranjit123]

The same warning are coming when I am compiling the OpenThread module. Can you try it on your side ?

[Susheel Nuguru]

you need to install the toolchain and sdk on linux as mentioned in this guide. We strongly recommend using nrf connect extension for visual studio code to manage your sdk versions and toolchains. You can ofcourse install it manually but following the instructions in the guide.

If you are working only on upstream Zephyr and not the nRF Connect SDK, then you need to discuss the issues in Zephyr forum.

[Ranjit123]

I have followed the guide you have mentioned to install the SDK. 

[Susheel Nuguru]

Ranjit123 said:

I have installed it on linux using command line. The version is: zephyr-sdk-0.16.8

Which version of the nRF Connect SDK did you install? is it v2.6 or v2.7? This should have been clear if you have used the guide to install the SDK and toolchain? If you can give me the SDK version, then I can do a quick test on my end with a Thread sample.

[Ranjit123]

I have followed the followings as it is just to setup zephyr devl env for build.

https://docs.nordicsemi.com/bundle/ncs-2.6.99-cs2/page/zephyr/develop/getting_started/index.html#getting-started

Please try to have an external module with cpp code when you try to see the warnings. Because on some occasions, I cant see the warnings with OT code.

[Susheel Nuguru]

I have never tested just pulling Zephyr but it looks like the the environment variables might not have been set correctly. Have you done the steps mentioned here?

Also can you print all your environment variables to see if some important variables like ZEPHYR_TOOLCHAIN_VARIANT are set correctly? 

Also this documentation you are linking to seems to be imported from the Zephyr Project and not something we have made in Nordic, so if there are any issues in the documentation of the Zephyr Project, we still need to go to the Zephyr forum. 

[Ranjit123]

There was some issues in my code. We can close this ticket. Sorry to bother you.