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fix(docs): make required compiler version == rather than >=

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TF-A carries its own compiler-rt so higher versions of the compilers may
not necessarily work. Because TF-A is only tested on the specified
versions in the CI, any breakage remains unknown. Update the
prerequisites guide to make it more apparent that this is the case.

Signed-off-by: Boyan Karatotev <boyan.karatotev@arm.com>
Change-Id: Ia5da9c5ff505ead99f579f3f5fbe3a480d697c1d
This commit is contained in:
Boyan Karatotev 2023-02-09 15:59:39 +00:00
parent bdedee5a0f
commit 415195c03e
1 changed files with 8 additions and 2 deletions
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10
docs/getting_started/prerequisites.rst
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@ -31,11 +31,17 @@ target the Armv7-A or Armv8-A architectures:
You will need the targets ``arm-none-eabi`` and ``aarch64-none-elf`` for
AArch32 and AArch64 builds respectively.
- Clang >= 14.0.0
- Arm Compiler >= 6.18
- Clang == 14.0.0
- Arm Compiler == 6.18
In addition, a native compiler is required to build the supporting tools.
.. note::
Versions greater than the ones specified are likely but not guaranteed to
work. This is predominantly because TF-A carries its own copy of compiler-rt,
which may be older than the version expected by the compiler. Fixes and bug
reports are always welcome.
.. note::
The software has also been built on Windows 7 Enterprise SP1, using CMD.EXE,
Cygwin, and Msys (MinGW) shells, using version 5.3.1 of the GNU toolchain.