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cmake: strip paths in build output based on Kconfig option

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Add CONFIG_BUILD_OUTPUT_STRIP_PATHS to allow keeping absolute paths
in the build output.

This can be helpful for IDEs to detect links in a console output and
jump to the code location (e.g. when running tests in native_posix
locally).

Debuggers usually have a path mapping feature to ensure the files are
still found.

Signed-off-by: Martin Jäger <martin@libre.solar>
This commit is contained in:
Martin Jäger 2023-03-29 16:06:30 +02:00 • committed by Carles Cufí
commit a0ffaa763c
2 changed files with 23 additions and 8 deletions
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17
CMakeLists.txt
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@ -442,14 +442,15 @@ zephyr_cc_option_ifdef(CONFIG_STACK_USAGE -fstack-usage)
# application code. This saves some memory, stops leaking user locations
# in binaries, makes failure logs more deterministic and most
# importantly makes builds more deterministic
# If several match then the last one wins. This matters for instances
# like tests/ and samples/: they're inside all of them! Then let's
# strip as little as possible.
zephyr_cc_option(-fmacro-prefix-map=${CMAKE_SOURCE_DIR}=CMAKE_SOURCE_DIR)
zephyr_cc_option(-fmacro-prefix-map=${ZEPHYR_BASE}=ZEPHYR_BASE)
if(WEST_TOPDIR)
zephyr_cc_option(-fmacro-prefix-map=${WEST_TOPDIR}=WEST_TOPDIR)
if(CONFIG_BUILD_OUTPUT_STRIP_PATHS)
# If several match then the last one wins. This matters for instances
# like tests/ and samples/: they're inside all of them! Then let's
# strip as little as possible.
zephyr_cc_option(-fmacro-prefix-map=${CMAKE_SOURCE_DIR}=CMAKE_SOURCE_DIR)
zephyr_cc_option(-fmacro-prefix-map=${ZEPHYR_BASE}=ZEPHYR_BASE)
if(WEST_TOPDIR)
zephyr_cc_option(-fmacro-prefix-map=${WEST_TOPDIR}=WEST_TOPDIR)
endif()
endif()
# TODO: Archiver arguments