Cannot run linux-arm64 published binary on CentOS 7 ARM64: GLIBCXX_3.4.21 not found

[hjc4869]

The nuget packages built for linux-arm64 uses higher GLIBCXX versions than that on CentOS 7.

Steps to reproduce:
On a x86_64 machine with latest .NET Core SDK installed:

mkdir HelloWorld
cd HelloWorld
dotnet new console
dotnet publish -c Release -f netcoreapp2.1 -r linux-arm64

Copy the publish folder to a CentOS 7 ARM64 machine:

cd publish
./HelloWorld

output:

[hjc@centos7-64 publish]$ ./HelloWorld 
./HelloWorld: /lib64/libstdc++.so.6: version `GLIBCXX_3.4.21' not found (required by ./HelloWorld)

This is probably because CentOS's libstdc++ only has GLIBCXX symbols up to 3.4.19

[hjc@centos7-64 publish]$ nm -D /lib64/libstdc++.so.6|grep GLIBCXX
0000000000000000 A GLIBCXX_3.4
0000000000000000 A GLIBCXX_3.4.1
0000000000000000 A GLIBCXX_3.4.10
0000000000000000 A GLIBCXX_3.4.11
0000000000000000 A GLIBCXX_3.4.12
0000000000000000 A GLIBCXX_3.4.13
0000000000000000 A GLIBCXX_3.4.14
0000000000000000 A GLIBCXX_3.4.15
0000000000000000 A GLIBCXX_3.4.16
0000000000000000 A GLIBCXX_3.4.17
0000000000000000 A GLIBCXX_3.4.18
0000000000000000 A GLIBCXX_3.4.19
0000000000000000 A GLIBCXX_3.4.2
0000000000000000 A GLIBCXX_3.4.3
0000000000000000 A GLIBCXX_3.4.4
0000000000000000 A GLIBCXX_3.4.5
0000000000000000 A GLIBCXX_3.4.6
0000000000000000 A GLIBCXX_3.4.7
0000000000000000 A GLIBCXX_3.4.8
0000000000000000 A GLIBCXX_3.4.9

[BruceForstall]

@janvorli

[janvorli]

That's correct, the ARM64 binaries are built on Ubuntu 16.04 and so it determines the minimum required glibc version.

[janvorli]

See https://github.com/dotnet/docs/blob/master/docs/core/linux-prerequisites.md

[BruceForstall]

So can we close this "by design" then?

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