Link error occured when sample code build

[42jerrykim]

I tring to build corert sample project in https://github.com/dotnet/corert/tree/master/samples/HelloWorld, but link error is occured

Microsoft (R) Build Engine version 15.6.84.34536 for .NET Core
Copyright (C) Microsoft Corporation. All rights reserved.

  Restoring packages for /home/jerry/Downloads/Test/HelloWorld/HelloWorld.csproj...
  Generating MSBuild file /home/jerry/Downloads/Test/HelloWorld/obj/HelloWorld.csproj.nuget.g.targets.
  Restore completed in 1.24 sec for /home/jerry/Downloads/Test/HelloWorld/HelloWorld.csproj.
  HelloWorld -> /home/jerry/Downloads/Test/HelloWorld/bin/release/netcoreapp2.0/linux-x64/HelloWorld.dll
  /usr/bin/clang-3.9
  Generating native code
  /usr/bin/ld: cannot find -lcurl
  /usr/bin/ld: cannot find -lgssapi_krb5
clang : error : linker command failed with exit code 1 (use -v to see invocation) [/home/jerry/Downloads/Test/HelloWorld/HelloWorld.csproj]
/home/jerry/.nuget/packages/microsoft.dotnet.ilcompiler/1.0.0-alpha-26424-01/build/Microsoft.NETCore.Native.targets(219,5): error MSB3073: The command "clang-3.9 "obj/release/netcoreapp2.0/linux-x64/native/HelloWorld.o" -o "bin/release/netcoreapp2.0/linux-x64/native/HelloWorld" /home/jerry/.nuget/packages/runtime.linux-x64.microsoft.dotnet.ilcompiler/1.0.0-alpha-26424-01/sdk/libbootstrapper.a /home/jerry/.nuget/packages/runtime.linux-x64.microsoft.dotnet.ilcompiler/1.0.0-alpha-26424-01/sdk/libRuntime.a /home/jerry/.nuget/packages/runtime.linux-x64.microsoft.dotnet.ilcompiler/1.0.0-alpha-26424-01/sdk/libSystem.Private.CoreLib.Native.a /home/jerry/.nuget/packages/runtime.linux-x64.microsoft.dotnet.ilcompiler/1.0.0-alpha-26424-01/framework/System.Native.a /home/jerry/.nuget/packages/runtime.linux-x64.microsoft.dotnet.ilcompiler/1.0.0-alpha-26424-01/framework/System.Globalization.Native.a /home/jerry/.nuget/packages/runtime.linux-x64.microsoft.dotnet.ilcompiler/1.0.0-alpha-26424-01/framework/System.IO.Compression.Native.a /home/jerry/.nuget/packages/runtime.linux-x64.microsoft.dotnet.ilcompiler/1.0.0-alpha-26424-01/framework/System.Net.Http.Native.a /home/jerry/.nuget/packages/runtime.linux-x64.microsoft.dotnet.ilcompiler/1.0.0-alpha-26424-01/framework/System.Net.Security.Native.a /home/jerry/.nuget/packages/runtime.linux-x64.microsoft.dotnet.ilcompiler/1.0.0-alpha-26424-01/framework/System.Security.Cryptography.Native.OpenSsl.a -g -Wl,-rpath,'$ORIGIN' -pthread -lstdc++ -ldl -lm -lcurl -lz -lgssapi_krb5 -lrt" exited with code 1. [/home/jerry/Downloads/Test/HelloWorld/HelloWorld.csproj]

[jkotas]

Could you please try running sudo apt-get install libcurl4-openssl-dev zlib1g-dev libkrb5-dev and see whether it fixes the problem?

We have this step missing in the hello world instructions.

[42jerrykim]

It works. Thank you 😄

[jkotas]

We should fix the hello world instructions to mention it.