Build LibUV for Linux-x64

[gkhanna79]

We now build a distro-agnostic version of .NET Core SharedFX for Linux (glibc based) platforms. For this, we need to do the following:

1) Investigate if libuv has any platform specific dependencies and if so, fix them to be dynamically computed and invoked. Please work with @janvorli on this.

2) Publish LibUV for Linux-X64 RID.

CC @davidfowl @janvorli

[moozzyk]

We build libuv only once and copy the same binary for different RIDs so I think 1) is resolved.

@gkhanna79 - With regards to 2) - once we create a version for linux-x64 should we remove the distro specific versions from the package?

[gkhanna79]

Does that mean it only has dependency on glibc?

We should plan to remove it over time, once the build is tested and deemed solid. For now, keep the build as is.

Thanks, Gaurav

-------- Original message -------- From: Pawel Kadluczka notifications@github.com Date: 12/29/16 9:42 AM (GMT-08:00) To: aspnet/libuv-build libuv-build@noreply.github.com Cc: "Gaurav Khanna (CLR)" Gaurav.Khanna@microsoft.com, Mention mention@noreply.github.com Subject: Re: [aspnet/libuv-build] Build LibUV for Linux-x64 (#20)

We build libuv only once and copy the same binary for different RIDs so I think 1) is resolved.

@gkhanna79https://na01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fgithub.com%2Fgkhanna79&data=02%7C01%7CGaurav.Khanna%40microsoft.com%7Cff42636def6045fcc9ce08d430120bff%7C72f988bf86f141af91ab2d7cd011db47%7C1%7C0%7C636186301444264579&sdata=Mjr1f7ALeKOxf5%2FPnYnuhm98OW16TuFdNe1EB0%2FAt08%3D&reserved=0 - With regards to 2) - once we create a version for linux-x64 should we remove the distro specific versions from the package?

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[moozzyk]

Here is the exact list of dependencies libuv has:

 0x0000000000000001 (NEEDED)             Shared library: [libm.so.6]
 0x0000000000000001 (NEEDED)             Shared library: [libdl.so.2]
 0x0000000000000001 (NEEDED)             Shared library: [librt.so.1]
 0x0000000000000001 (NEEDED)             Shared library: [libpthread.so.0]
 0x0000000000000001 (NEEDED)             Shared library: [libc.so.6]

[gkhanna79]

Happy New Year to all :)

These seems to be basic enough dependencies that should not vary with each distro. @janvorli What are your thoughts?

@moozzyk Once you have the libuv package for Linux-x64 published to dotnet-core feed on myget, please update https://github.com/dotnet/core-setup/blob/master/pkg/projects/Microsoft.NETCore.App/project.json#L43 to reflect the new package.

[janvorli]

@gkhanna79, right, there is nothing distro dependent. I've also checked the versions of the symbols from glibc and the highest version used is 2.14, so it doesn't reference anything recent.

[gkhanna79]

@moozzyk do you have the package published to myget for linux-x64 libuv?

[moozzyk]

Almost there. There were some issues with myget earlier.

[moozzyk]

Fixed via https://github.com/aspnet/libuv-build/commit/d2e826e16efb3639d4512f5ebc1ba81b3899c5d1 and https://github.com/aspnet/libuv-package/commit/1646ae60d177b5fb58197899e1d1a976ded8cb95