Hi Okash,

On review unfortunately this is expected. ENABLE_PIE=1 was added before clang/LLVM support and indeed it seems this build option was not added in that support.

It was unidentified prior to your posting. I’ll add this lack of support to the project Technical Debt but I cannot say when this might be looked at.

If though you cannot wait and address this issue yourself we would be happy to take contribution patches if you wanted to upstream.

Thanks

Joanna

From: Okash Khawaja via TF-A <tf-a@lists.trustedfirmware.org>
Date: Sunday, 3 April 2022 at 11:59
To: tf-a@lists.trustedfirmware.org <tf-a@lists.trustedfirmware.org>
Subject: [TF-A] ENABLE_PIE with clang

Hi,

It seems like setting ENABLE_PIE=1 and compiling with clang/LLVM
results in linker errors. E.g. compiling ti/k3 which has ENABLE_PIE=1,
with clang and lld version 14.0.1 results in linker errors like
"ld.lld: error: can't create dynamic relocation R_AARCH64_ABS64
against local symbol in readonly segment; recompile object files with
-fPIC or pass '-Wl,-z,notext' to allow text relocations in the
output".

Is this expected? If not, are there any plans to fix this?

Thanks,
Okash
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