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toolchain: oneApi: Fix support and update for 2023.0.0 release

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The oneApi support has bit rotten since it was first introduced.  Update
the support to function with the latest 2023.0.0 release and add a
check to only support that version or newer for now.  Versions before
2021.2.0 have linker script failures.

Various fixes made:
* In the 2023.0.0 release, various binaries are in a llvm-bin path so
  add support to search in that path.  This replaces the python search
  path that much older versions needed.
* newlib isn't supported with oneApi so set TOOLCHAIN_HAS_NEWLIB to
  OFF to match that.
* 2023.0.0 doesn't back llvm-nm, so use binutils version.  This
  is expected to be fixed in 2023.1.0 release so add a check to
  handle either case.
* Update compiler flag check based on clang to also support
  CMAKE_C_COMPILER_ID of "IntelLLVM" as that is how the oneApi toolchain
  reports itself.

Signed-off-by: Kumar Gala <kumar.gala@intel.com>
This commit is contained in:
Kumar Gala 2023-01-20 23:21:23 +00:00 • committed by Anas Nashif
commit 2d12766e78
4 changed files with 37 additions and 4 deletions
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3
CMakeLists.txt
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@ -407,7 +407,8 @@ zephyr_compile_options(${COMPILER_OPT_AS_LIST})
# TODO: Include arch compiler options at this point.
if(NOT CMAKE_C_COMPILER_ID STREQUAL "Clang")
if(NOT CMAKE_C_COMPILER_ID STREQUAL "Clang" AND
NOT CMAKE_C_COMPILER_ID STREQUAL "IntelLLVM")
# GCC assumed
zephyr_cc_option(-fno-reorder-functions)