Update go build tasks to work around go1.11 symlink issue

See golang/go#27515 for context

[#160287101]

Signed-off-by: Andrew Keesler <[email protected]>

Author: sesmith177

tasks/build-binary/run.ps1

@@ -28,18 +28,15 @@ if ($env:BINARY_NAME -ne "") {
   $BINARY=(Get-Item $env:PACKAGE).BaseName + ".exe"
 }
 
-go.exe build -o "binary-output/$BINARY" $env:PACKAGE
-if ($LastExitCode -ne 0) {
-  exit $LastExitCode
+$binaryDir = "$PWD\binary-output"
+
+# work around https://github.com/golang/go/issues/27515
+$linkType = (get-item $binaryDir).LinkType
+if ($linkType -ne "") {
+  $binaryDir = (get-item $binaryDir).Target
 }
 
-if ($BINARY -eq "winc-network") {
-  gcc.exe -c "repo\network\firewall\dll\firewall.c" -o "$env:TEMP\firewall.o"
-  if ($LastExitCode -ne 0) {
-    exit $LastExitCode
-  }
-  gcc.exe -shared -o "binary-output\firewall.dll" "$env:TEMP\firewall.o" -lole32 -loleaut32
-  if ($LastExitCode -ne 0) {
-    exit $LastExitCode
-  }
+go.exe build -o "$binaryDir\$BINARY" $env:PACKAGE
+if ($LastExitCode -ne 0) {
+  exit $LastExitCode
 }

tasks/build-groot/run.ps1

@@ -6,6 +6,12 @@ go.exe version
 $env:GOPATH=$PWD
 $binaryDir = "$PWD\groot-binary"
 
+# work around https://github.com/golang/go/issues/27515
+$linkType = (get-item $binaryDir).LinkType
+if ($linkType -ne "") {
+  $binaryDir = (get-item $binaryDir).Target
+}
+
 pushd src\code.cloudfoundry.org\groot-windows
   go build -o "$binaryDir\groot.exe" main.go
   if ($LastExitCode -ne 0) {

tasks/build-winc-network/run.ps1

@@ -6,6 +6,12 @@ go.exe version
 $env:GOPATH=$PWD
 $binaryDir = "$PWD\winc-network-binary"
 
+# work around https://github.com/golang/go/issues/27515
+$linkType = (get-item $binaryDir).LinkType
+if ($linkType -ne "") {
+  $binaryDir = (get-item $binaryDir).Target
+}
+
 pushd src\code.cloudfoundry.org\winc
   if ($env:WINDOWS_VERSION -eq "1709") {
     go build -o "$binaryDir\winc-network.exe" .\cmd\winc-network