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cmake: gcc/clang: enable colour diagnostics in terminal output

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When compiler results are piped through a non-terminal (e.g. ninja)
the compiler disables colour diagnostics. Using `-fdiagnostics-color`
forces the compiler to enable colour output. This flag is set for
clang and gcc when `ZEPHYR_BUILD_COLOUR_DIAGNOSTIC` environment
variable is set when a clean build is started.

Signed-off-by: Arvin Farahmand <arvinf@ip-logix.com>
This commit is contained in:
Arvin Farahmand 2021-04-15 11:20:10 -04:00 • committed by Carles Cufí
commit b8f5968a42
3 changed files with 11 additions and 0 deletions
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5
CMakeLists.txt
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@ -211,6 +211,11 @@ zephyr_compile_options($<TARGET_PROPERTY:compiler,no_common>)
# @Intent: Set compiler specific flag for production of debug information
zephyr_compile_options($<TARGET_PROPERTY:compiler,debug>)
if($ENV{ZEPHYR_BUILD_COLOUR_DIAGNOSTIC})
# @Intent: Set compiler specific flag for diagnostic messages
zephyr_compile_options($<TARGET_PROPERTY:compiler,diagnostic>)
endif()
zephyr_compile_options(
${TOOLCHAIN_C_FLAGS}
)