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cmake: Test the compiler before testing compiler flags

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We used to test that the compiler works at all, before testing
compiler flags. But during some toolchain refactoring this got
re-arranged.

This commit corrects the ordering.

Signed-off-by: Sebastian Bøe <sebastian.boe@nordicsemi.no>
This commit is contained in:
Sebastian Bøe 2021-11-11 12:48:28 +01:00 • committed by Carles Cufí
commit dbe473bc83
2 changed files with 7 additions and 5 deletions
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5
CMakeLists.txt
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@ -36,11 +36,6 @@ endif()
# -fmacro-prefix-map=${ZEPHYR_BASE}=
# Verify that the toolchain can compile a dummy file, if it is not we
# won't be able to test for compatibility with certain C flags.
zephyr_check_compiler_flag(C "" toolchain_is_ok)
assert(toolchain_is_ok "The toolchain is unable to build a dummy C file. See CMakeError.log.")
# In some cases the "final" things are not used at all and "_prebuilt"
# is the last station. See "logical_target_for_zephyr_elf" below for
# details.

7
cmake/app/boilerplate.cmake
View file

@ -595,11 +595,18 @@ project(Zephyr-Kernel VERSION ${PROJECT_VERSION})
# windows now.
list(APPEND CMAKE_ASM_SOURCE_FILE_EXTENSIONS "S")
enable_language(C CXX ASM)
# The setup / configuration of the toolchain itself and the configuration of
# supported compilation flags are now split, as this allows to use the toolchain
# for generic purposes, for example DTS, and then test the toolchain for
# supported flags at stage two.
# Testing the toolchain flags requires the enable_language() to have been called in CMake.
# Verify that the toolchain can compile a dummy file, if it is not we
# won't be able to test for compatibility with certain C flags.
zephyr_check_compiler_flag(C "" toolchain_is_ok)
assert(toolchain_is_ok "The toolchain is unable to build a dummy C file. See CMakeError.log.")
include(${ZEPHYR_BASE}/cmake/target_toolchain_flags.cmake)
# 'project' sets PROJECT_BINARY_DIR to ${CMAKE_CURRENT_BINARY_DIR},