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Test #1

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rokonec opened this issue Feb 6, 2020 · 2 comments
Open

Test #1

rokonec opened this issue Feb 6, 2020 · 2 comments

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@rokonec
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rokonec commented Feb 6, 2020

pls ignore
@rokonec
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rokonec commented Feb 6, 2020

area keepr: @tokapin

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rokonec commented Feb 6, 2020

a: @tkapin

rokonec pushed a commit that referenced this issue Apr 15, 2020
@directhex
Properly support ARM64's 32-bit compatibility profile (dotnet#4527)
7a5c4f6 
`uname -m` on ARM64 processors using 32-bit personality shows as `armv8l`, not `armv7l`. See https://github.com/torvalds/linux/blob/cef7298262e9af841fb70d8673af45caf55300a1/arch/arm64/include/asm/compat.h#L22

This allows building on 64-bit ARM machines in a 32-bit environment. Without this patch, the build system thinks 32-bit personality on ARM64 is linux-x64, and the build explodes accordingly.

32-bit personality allows building ARM32 code on modern ARM64 systems, which in this day and age are easier to obtain with decent performance characteristics.

```
builder@xam-softiron-1:~$ uname -a
Linux xam-softiron-1 4.17.0ilp32-31333-gb2d7ec3 #1 SMP Tue Oct 16 16:37:20 EDT 2018 aarch64 aarch64 aarch64 GNU/Linux
builder@xam-softiron-1:~$ linux32 uname -a
Linux xam-softiron-1 4.17.0ilp32-31333-gb2d7ec3 #1 SMP Tue Oct 16 16:37:20 EDT 2018 armv8l armv8l armv8l GNU/Linux
```

Closes: https://github.com/dotnet/cli/issues/11437
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