RE: MCUBOOT + NCS 3.0.1 + Snippets won't compile

Mary — Tue, 10 Jun 2025 14:31:04 GMT

Snippets apply to all images, as described here:

https://docs.nordicsemi.com/bundle/ncs-3.0.1/page/nrf/app_dev/config_and_build/config_and_build_system.html

When using Sysbuild, the snippet is applied to all images, unless the image is specified explicitly (-D<image_name>_SNIPPET="<your_snippet>").

https://docs.nordicsemi.com/bundle/ncs-3.0.1/page/nrf/app_dev/config_and_build/cmake/index.html#cmake-options

In VS Code, edit the build configuration like so:

Now it compiles.

Mary

RE: MCUBOOT + NCS 3.0.1 + Snippets won't compile

dejans — Tue, 10 Jun 2025 13:17:35 GMT

Hi,

Can you try to build coap_client sample using configurations shown below?
sysbuild.conf

# STEP 3.1 - MCUboot should use external flash
SB_CONFIG_PM_EXTERNAL_FLASH_MCUBOOT_SECONDARY=y
SB_CONFIG_BOOTLOADER_MCUBOOT=y

sysbuild\mcuboot.conf

# STEP 1.2 - Enable QSPI driver for MCUboot
CONFIG_NORDIC_QSPI_NOR=y

# STEP 4.1 - Increase number of sectors
# This is 512 for the nRF54L15 but can be smaller for other chips
CONFIG_BOOT_MAX_IMG_SECTORS=512

prj.conf

# everything that is already there plus Kconfig flag shown below

# STEP 1.1 - Enable QSPI driver for Application
CONFIG_NORDIC_QSPI_NOR=y

app.overlay

/* STEP 2.1 - Add external flash to application */
&mx25r64 {
 status = "okay";
};  

/ {
 chosen {
 nordic,pm-ext-flash = &mx25r64;
 };
};

sysbuild\mcuboot.overlay

/* STEP 2.2 - Add external flash to MCUboot */
&mx25r64 {
 status = "okay";
};  

/ {
 chosen {
 nordic,pm-ext-flash = &mx25r64;
 };
};

Best regards,
Dejan