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Fix linker detection for linker (drivers) with a version postfix (e.g. clang-12 instead of clang) #106489

Merged
merged 1 commit into from
Jan 14, 2023
Merged

Fix linker detection for linker (drivers) with a version postfix (e.g. clang-12 instead of clang) #106489

merged 1 commit into from
Jan 14, 2023

Commits on Jan 13, 2023

  1. Improve linker-flavor detection 

    Linker drivers such as gcc, clang or lld often have a version postfix,
e.g clang-12. The previous logic would not account for this and would
fall back to guessing the linker flavor to be the default linker flavor
for the target, which causes linker errors when this is not the case.
By accounting for the possible version postfix and also considering
g++ and clang++, we considerably reduce the amount of times the
fallback guess has to be used.

To simplify matching check for a version postfix and match against the
linker stem without any version postfix.
In contrast to gcc, clang supports all architectures in one binary.
This means there are no variants like `aarch64-linux-gnu-clang` and
there is no need to check for `-clang` variants.
    @jschwe
    jschwe committed Jan 13, 2023
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