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  • Could NOT find Dtc (missing: DTC) (Required is at least version "1.4.6")

I go this error attempting to build the nrf9160 tracker sample code:

Could NOT find Dtc (missing: DTC) (Required is at least version “1.4.6”)

Any ideas on how to fix this? I am new to all things nrf9160 and Zephyr.

Here is the full output from the build command:

 *  Executing task: west build -b circuitdojo_feather_nrf9160_ns 

-- west build: generating a build system
-- Build type: debug 🚀
-- Backend: golioth 🎒
-- Version: 0.1.4-70-gf802216
Loading Zephyr default modules (Zephyr base).
-- Application: C:/Users/micha/Zephyr Build/nfed/samples/tracker
-- Found Python3: C:/Users/micha/.zephyrtools/env/Scripts/python.exe (found suitable exact version "3.11.2") found components: Interpreter 
-- Cache files will be written to: C:/Users/micha/Zephyr Build/zephyr/.cache
-- Zephyr version: 3.2.99 (C:/Users/micha/Zephyr Build/zephyr)
-- Found west (found suitable version "0.14.0", minimum required is "0.7.1")
-- Board: circuitdojo_feather_nrf9160_ns
-- Found host-tools: zephyr 0.15.1 (C:/Users/micha/.zephyrtools/toolchain/zephyr-sdk-0.15.1)
-- Found toolchain: zephyr 0.15.1 (C:/Users/micha/.zephyrtools/toolchain/zephyr-sdk-0.15.1)
-- **Could NOT find Dtc (missing: DTC) (Required is at least version "1.4.6")**
-- Found BOARD.dts: C:/Users/micha/Zephyr Build/zephyr/boards/arm/circuitdojo_feather_nrf9160/circuitdojo_feather_nrf9160_ns.dts
-- Found devicetree overlay: C:/Users/micha/Zephyr
-- Found devicetree overlay: Build/nfed/samples/tracker/boards/circuitdojo_feather_nrf9160_ns.overlay
<command-line>: fatal error: C:/Users/micha/Zephyr: No such file or directory
compilation terminated.
CMake Error at C:/Users/micha/Zephyr Build/zephyr/cmake/modules/dts.cmake:191 (message):
  command failed with return code: 1
Call Stack (most recent call first):
  C:/Users/micha/Zephyr Build/zephyr/cmake/modules/zephyr_default.cmake:108 (include)
  C:/Users/micha/Zephyr Build/zephyr/share/zephyr-package/cmake/ZephyrConfig.cmake:66 (include)
  C:/Users/micha/Zephyr Build/zephyr/share/zephyr-package/cmake/ZephyrConfig.cmake:92 (include_boilerplate)
  CMakeLists.txt:74 (find_package)


-- Configuring incomplete, errors occurred!
FATAL ERROR: command exited with status 1: 'C:\Users\micha\.zephyrtools\cmake\cmake-3.22.0-windows-x86_64\bin\cmake.EXE' '-DWEST_PYTHON=C:\Users\micha\.zephyrtools\env\Scripts\python.exe' '-BC:\Users\micha\Zephyr Build\nfed\samples\tracker\build' -GNinja -DBOARD=circuitdojo_feather_nrf9160_ns '-SC:\Users\micha\Zephyr Build\nfed\samples\tracker'

 *  The terminal process "C:\WINDOWS\System32\WindowsPowerShell\v1.0\powershell.exe -Command west build -b circuitdojo_feather_nrf9160_ns" terminated with exit code: 1. 
 *  Terminal will be reused by tasks, press any key to close it.

    Hey MJHanagan

    I suspect it’s because the folder you placed everything in has a space “Zephyr Build”. Try putting it in a folder/path that doesn’t have spaces.

      Do I need to go back and do the Zephyr Tools: Init Repo command again and pick a new folder?

      Did the Init Repo and got same error:

      Executing task: west build -b circuitdojo_feather_nrf9160_ns 

-- west build: generating a build system
-- Build type: debug 🚀
-- Backend: golioth 🎒
-- Version: 0.1.4-70-gf802216
Loading Zephyr default modules (Zephyr base).
-- Application: C:/Users/micha/Documents/Zephyr/nfed/samples/tracker
-- Found Python3: C:/Users/micha/.zephyrtools/env/Scripts/python.exe (found suitable exact version "3.11.2") found components: Interpreter 
-- Cache files will be written to: C:/Users/micha/Documents/Zephyr/zephyr/.cache
-- Zephyr version: 3.2.99 (C:/Users/micha/Documents/Zephyr/zephyr)
-- Found west (found suitable version "0.14.0", minimum required is "0.7.1")
-- Board: circuitdojo_feather_nrf9160_ns
-- Found host-tools: zephyr 0.15.1 (C:/Users/micha/.zephyrtools/toolchain/zephyr-sdk-0.15.1)
-- Found toolchain: zephyr 0.15.1 (C:/Users/micha/.zephyrtools/toolchain/zephyr-sdk-0.15.1)
-- Could NOT find Dtc (missing: DTC) (Required is at least version "1.4.6")
-- Found BOARD.dts: C:/Users/micha/Documents/Zephyr/zephyr/boards/arm/circuitdojo_feather_nrf9160/circuitdojo_feather_nrf9160_ns.dts
-- Found devicetree overlay: C:/Users/micha/Documents/Zephyr/nfed/samples/tracker/boards/circuitdojo_feather_nrf9160_ns.overlay
node '/psctl' compatible 'circuitdojo,psctl' has unknown vendor prefix 'circuitdojo'
-- Generated zephyr.dts: C:/Users/micha/Documents/Zephyr/nfed/samples/tracker/build/zephyr/zephyr.dts
-- Generated devicetree_generated.h: C:/Users/micha/Documents/Zephyr/nfed/samples/tracker/build/zephyr/include/generated/devicetree_generated.h
-- Including generated dts.cmake file: C:/Users/micha/Documents/Zephyr/nfed/samples/tracker/build/zephyr/dts.cmake

warning: MBEDTLS_HEAP_SIZE (defined at
C:/Users/micha/Documents/Zephyr/nrf\subsys/net/openthread/Kconfig.defconfig:141,
C:/Users/micha/Documents/Zephyr/nrf\subsys\dfu\fmfu_fdev/Kconfig:21,
C:/Users/micha/Documents/Zephyr/zephyr/modules/mbedtls/Kconfig:194,
C:/Users/micha/Documents/Zephyr/nrfxlib\nrf_security/Kconfig:85, modules\mbedtls\Kconfig:194) was
assigned the value '49152' but got the value ''. Check these unsatisfied dependencies:
(NET_L2_OPENTHREAD || FMFU_FDEV || (MBEDTLS_ENABLE_HEAP && MBEDTLS) || (MBEDTLS_ENABLE_HEAP &&
NRF_SECURITY) || (MBEDTLS_ENABLE_HEAP && MBEDTLS && 0)) (=n). See
http://docs.zephyrproject.org/latest/kconfig.html#CONFIG_MBEDTLS_HEAP_SIZE and/or look up
MBEDTLS_HEAP_SIZE in the menuconfig/guiconfig interface. The Application Development Primer, Setting
Configuration Values, and Kconfig - Tips and Best Practices sections of the manual might be helpful
too.


warning: Experimental symbol NET_SOCKETS_SOCKOPT_TLS is enabled.


warning: Experimental symbol NET_SOCKETS_ENABLE_DTLS is enabled.

Parsing C:/Users/micha/Documents/Zephyr/nfed/samples/tracker/Kconfig
Loaded configuration 'C:/Users/micha/Documents/Zephyr/zephyr/boards/arm/circuitdojo_feather_nrf9160/circuitdojo_feather_nrf9160_ns_defconfig'
Merged configuration 'C:/Users/micha/Documents/Zephyr/nfed/samples/tracker/conf/prj.conf'
Merged configuration 'C:/Users/micha/Documents/Zephyr/nfed/samples/tracker/conf/backends/golioth.conf'
Merged configuration 'C:/Users/micha/Documents/Zephyr/nfed/samples/tracker/conf/debug.conf'
Merged configuration 'C:/Users/micha/Documents/Zephyr/nfed/samples/tracker/conf/version.conf'
Merged configuration 'C:/Users/micha/Documents/Zephyr/nfed/samples/tracker/boards/circuitdojo_feather_nrf9160_ns.conf'
Configuration saved to 'C:/Users/micha/Documents/Zephyr/nfed/samples/tracker/build/zephyr/.config'
Kconfig header saved to 'C:/Users/micha/Documents/Zephyr/nfed/samples/tracker/build/zephyr/include/generated/autoconf.h'
-- The C compiler identification is GNU 12.1.0
-- The CXX compiler identification is GNU 12.1.0
-- The ASM compiler identification is GNU
-- Found assembler: C:/Users/micha/.zephyrtools/toolchain/zephyr-sdk-0.15.1/arm-zephyr-eabi/bin/arm-zephyr-eabi-gcc.exe
CMake Error at C:/Users/micha/Documents/Zephyr/zephyr/cmake/modules/extensions.cmake:2090 (message):
  Assertion failed: Cannot locate SUPL Client library, should be located in
  your nrf repo ext/lib/bin/supl.
Call Stack (most recent call first):
  C:/Users/micha/Documents/Zephyr/nrf/ext/CMakeLists.txt:13 (assert)


-- Configuring incomplete, errors occurred!
See also "C:/Users/micha/Documents/Zephyr/nfed/samples/tracker/build/CMakeFiles/CMakeOutput.log".
See also "C:/Users/micha/Documents/Zephyr/nfed/samples/tracker/build/CMakeFiles/CMakeError.log".
FATAL ERROR: command exited with status 1: 'C:\Users\micha\.zephyrtools\cmake\cmake-3.22.0-windows-x86_64\bin\cmake.EXE' '-DWEST_PYTHON=C:\Users\micha\.zephyrtools\env\Scripts\python.exe' '-BC:\Users\micha\Documents\Zephyr\nfed\samples\tracker\build' -GNinja -DBOARD=circuitdojo_feather_nrf9160_ns '-SC:\Users\micha\Documents\Zephyr\nfed\samples\tracker'

 *  The terminal process "C:\WINDOWS\System32\WindowsPowerShell\v1.0\powershell.exe -Command west build -b circuitdojo_feather_nrf9160_ns" terminated with exit code: 1. 
 *  Terminal will be reused by tasks, press any key to close it.

      Looks like a different error this time.

      Assertion failed: Cannot locate SUPL Client library, should be located in
  your nrf repo ext/lib/bin/supl.

      You need to download the SUPL library from Nordic. I recommend you check out the Readme here:

      https://github.com/circuitdojo/nrf9160-feather-examples-and-drivers/tree/v2.2.x/samples/tracker

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