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cmake: Prevent infinite recursion

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If SDK_VERSION for whatever reason is unset cmake will end up in an
inifite recursion loop, which for me crashed using cmake version
3.13.4 and exits with an error using 3.14.1.

This may happen if ZEPHYR_TOOLCHAIN_VARIANT is set to "zephyr", but
ZEPHYR_SDK_INSTALL_DIR is invalid (or unset).

Signed-off-by: Jacob Siverskog <jacob@teenage.engineering>
This commit is contained in:
Jacob Siverskog 2019-04-01 12:08:26 +02:00 • committed by Anas Nashif
commit bb09c458c1
1 changed files with 4 additions and 0 deletions
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4
cmake/toolchain/zephyr/generic.cmake
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@ -1,3 +1,7 @@
# SPDX-License-Identifier: Apache-2.0
if(NOT DEFINED SDK_VERSION)
message(FATAL_ERROR "SDK_VERSION must be set")
endif()
include(${ZEPHYR_BASE}/cmake/toolchain/zephyr/${SDK_VERSION}/generic.cmake)