RTEMS | Draft: Support for building RTEMS with LLVM toolchains (!1539)

Sebastian Huber (@sebhub) gitlab at rtems.org
Fri Oct 16 05:33:47 UTC 2026




Sebastian Huber started a new discussion on spec/build/cpukit/optwarn.yml: https://gitlab.rtems.org/rtems/rtos/rtems/-/merge_requests/1539#note_161202

 >  build-type: option
 >  copyrights:
 >  - Copyright (C) 2020 embedded brains GmbH & Co. KG
 > +- Copyright (C) 2026 N7 Space sp. z o.o.
 >  default:
 > +- enabled-by: clang
 > +  value:
 > +  - -Wall
 > +  - -Wextra
 > +  - -Wno-cast-function-type

GCC builds the tree with `-Wall -Wextra -Werror` and no exception. This list turns off seven warnings for every clang build. How many warnings does this list suppress in a clang build?

-- 
View it on GitLab: https://gitlab.rtems.org/rtems/rtos/rtems/-/merge_requests/1539#note_161202
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