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zephyr/cmake: add help message for missing nrfxlib case 

nrfxlib need to be cloned manullay.
This patch gives a help message to the user in case it
was missing.

Signed-off-by: Andrzej Puzdrowski <andrzej.puzdrowski@nordicsemi.no>
This commit is contained in:
Andrzej Puzdrowski 2020-10-01 13:51:48 +02:00
parent 7141b52ab2
commit f0ef8b6daf
1 changed files with 11 additions and 1 deletions
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12
boot/zephyr/CMakeLists.txt
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@ -63,7 +63,17 @@ set(NRF_DIR "${MCUBOOT_DIR}/ext/nrf")
if(CONFIG_BOOT_USE_NRF_CC310_BL)
set(NRFXLIB_DIR ${ZEPHYR_BASE}/../nrfxlib)
assert_exists(NRFXLIB_DIR)
if(NOT EXISTS ${NRFXLIB_DIR})
message(FATAL_ERROR "
------------------------------------------------------------------------
No such file or directory: ${NRFXLIB_DIR}
The current configuration enables nRF CC310 crypto accelerator hardware
with the `CONFIG_BOOT_USE_NRF_CC310_BL` option. Please follow
`ext/nrf/README.md` guide to fix your setup or use tinycrypt instead of
the HW accelerator.
To use the tinycrypt set `CONFIG_BOOT_ECDSA_TINYCRYPT` to y.
------------------------------------------------------------------------")
endif()
# Don't include this if we are using west
add_subdirectory(${NRFXLIB_DIR} ${PROJECT_BINARY_DIR}/nrfxlib)
endif()