THRIFT-4723 Consolidate C#/netcore into new netstd language target
Client: netstd
Patch: Jens Geyer

This closes #1710
diff --git a/configure.ac b/configure.ac
index 7da52a0..b09c983 100755
--- a/configure.ac
+++ b/configure.ac
@@ -128,6 +128,7 @@
   with_haskell="no"
   with_haxe="no"
   with_dotnetcore="no"
+  with_netstd="no"
   with_perl="no"
   with_php="no"
   with_php_extension="no"
@@ -508,7 +509,7 @@
     AX_PROG_DOTNETCORE_VERSION( [2.0.0], have_dotnetcore="yes", have_dotnetcore="no")
   fi
 fi
-AM_CONDITIONAL(WITH_DOTNETCORE, [test "$have_dotnetcore" = "yes"])
+AM_CONDITIONAL(WITH_DOTNET, [test "$have_dotnetcore" = "yes"])
 
 
 AX_THRIFT_LIB(d, [D], yes)
@@ -818,6 +819,7 @@
   lib/json/Makefile
   lib/json/test/Makefile
   lib/netcore/Makefile
+  lib/netstd/Makefile
   lib/nodejs/Makefile
   lib/nodets/Makefile
   lib/perl/Makefile
@@ -846,6 +848,7 @@
   test/hs/Makefile
   test/lua/Makefile
   test/netcore/Makefile
+  test/netstd/Makefile
   test/php/Makefile
   test/dart/Makefile
   test/perl/Makefile
@@ -865,6 +868,7 @@
   tutorial/java/Makefile
   tutorial/js/Makefile
   tutorial/netcore/Makefile
+  tutorial/netstd/Makefile
   tutorial/nodejs/Makefile
   tutorial/dart/Makefile
   tutorial/py/Makefile
@@ -933,6 +937,7 @@
 echo "Building D Library ........... : $have_d"
 echo "Building Dart Library ........ : $have_dart"
 echo "Building dotnetcore Library .. : $have_dotnetcore"
+echo "Building .NET Standard Library : $have_dotnetcore"
 echo "Building Erlang Library ...... : $have_erlang"
 echo "Building Go Library .......... : $have_go"
 echo "Building Haskell Library ..... : $have_haskell"
@@ -1001,6 +1006,12 @@
   echo "   Using .NET Core ........... : $DOTNETCORE"
   echo "   Using .NET Core version ... : $DOTNETCORE_VERSION"
 fi
+if test "$have_dotnetcore" = "yes" ; then
+  echo
+  echo ".NET Standard Library:"
+  echo "   Using dotnet .............. : $DOTNETCORE"
+  echo "   Using dotnet version ...... : $DOTNETCORE_VERSION"
+fi
 if test "$have_erlang" = "yes" ; then
   echo
   echo "Erlang Library:"