https://devzone.nordicsemi.com/f/nordic-q-a/80347/failed-to-run-build_all-bat-in-micro-ecc-folderHi, dear Nordic. I tried to build secure_bootloader_ble_S132_pca10040 project in Segger. And it gives me this error message: cannot find ../../../../../external/micro-ecc/nrf52hf_armgcc/armgcc/micro_ecc_lib_nrf52.a: No such file or directory Soen-USTelligent Community 13Thu, 07 Oct 2021 22:45:27 GMThttps://devzone.nordicsemi.com/thread/333144?ContentTypeID=1Thu, 07 Oct 2021 22:45:27 GMT137ad170-7792-4731-bb38-c0d22fbe4515:477db521-f2e1-4b5a-950d-0434ce9920dbStevenW807<p>Thanks Turbo.&nbsp;</p> <p>Yes, I followed your advice and also read about this <a href="https://devzone.nordicsemi.com/f/nordic-q-a/74722/cannot-find-external-micro-ecc-nrf52hf_armgcc-armgcc-micro_ecc_lib_nrf52-a-no-such-file-or-directory">link </a>to solve the issue. Thanks。&nbsp;</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/332731?ContentTypeID=1Wed, 06 Oct 2021 06:55:59 GMT137ad170-7792-4731-bb38-c0d22fbe4515:2293a0be-01e6-41bd-9cfe-791ca7710163Turbo J<p>Quote:</p> <p>&quot;Please set values in: &quot;D:/Aimwell/nRF5_SDK_17.0.2_d674dde/components/toolchain/gcc/Makefile.windows&quot;<br />according to the actual configuration of your system.&quot;</p> <p>That is the file where you need to specify the path where GNU Arm Embedded GCC is installed on your system.</p><div style="clear:both;"></div>