Update dependencies from https://github.com/dotnet/arcade build 20211126.4 (#781)

[main] Update dependencies from dotnet/arcade

Author: dotnet-maestro[bot]

eng/Version.Details.xml

@@ -3,13 +3,13 @@
   <ProductDependencies>
   </ProductDependencies>
   <ToolsetDependencies>
-    <Dependency Name="Microsoft.DotNet.Arcade.Sdk" Version="7.0.0-beta.21573.3">
+    <Dependency Name="Microsoft.DotNet.Arcade.Sdk" Version="7.0.0-beta.21576.4">
       <Uri>https://github.com/dotnet/arcade</Uri>
-      <Sha>927f8d4d5036f68a5fc6d042f336bc9458027208</Sha>
+      <Sha>427c05909067bb2e484116ae2239456bb45adb85</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.DotNet.Helix.Sdk" Version="7.0.0-beta.21573.3">
+    <Dependency Name="Microsoft.DotNet.Helix.Sdk" Version="7.0.0-beta.21576.4">
       <Uri>https://github.com/dotnet/arcade</Uri>
-      <Sha>927f8d4d5036f68a5fc6d042f336bc9458027208</Sha>
+      <Sha>427c05909067bb2e484116ae2239456bb45adb85</Sha>
     </Dependency>
   </ToolsetDependencies>
 </Dependencies>

eng/common/native/init-compiler.sh

@@ -2,6 +2,7 @@
 #
 # This file detects the C/C++ compiler and exports it to the CC/CXX environment variables
 #
+# NOTE: some scripts source this file and rely on stdout being empty, make sure to not output anything here! 
 
 if [[ "$#" -lt 3 ]]; then
   echo "Usage..."
@@ -111,12 +112,10 @@ if [[ -z "$CC" ]]; then
     exit 1
 fi
 
-if [[ "$compiler" == "clang" ]]; then
-    if "$CC" -fuse-ld=lld -Wl,--version 2>&1; then
-        # Only lld version >= 9 can be considered stable
-        if [[ "$majorVersion" -ge 9 ]]; then
-            LDFLAGS="-fuse-ld=lld"
-        fi
+# Only lld version >= 9 can be considered stable
+if [[ "$compiler" == "clang" && "$majorVersion" -ge 9 ]]; then
+    if "$CC" -fuse-ld=lld -Wl,--version >/dev/null 2>&1; then
+        LDFLAGS="-fuse-ld=lld"
     fi
 fi
 

global.json

@@ -3,7 +3,7 @@
     "dotnet": "6.0.100"
   },
   "msbuild-sdks": {
-    "Microsoft.DotNet.Arcade.Sdk": "7.0.0-beta.21573.3",
-    "Microsoft.DotNet.Helix.Sdk": "7.0.0-beta.21573.3"
+    "Microsoft.DotNet.Arcade.Sdk": "7.0.0-beta.21576.4",
+    "Microsoft.DotNet.Helix.Sdk": "7.0.0-beta.21576.4"
   }
 }