Raise an error if trying to use NuGet without Curl

src/base/validation.lua

@@ -61,6 +61,7 @@
 			m.actionSupportsKind,
 			m.projectRulesExist,
 			m.projectValuesInScope,
+			m.NuGetHasHTTP,
 		}
 	end
 
@@ -223,6 +224,13 @@
 	end
 
 
+	function m.NuGetHasHTTP(prj)
+		if not http and #prj.nuget > 0 then
+			p.error("Premake was compiled with --no-curl, but Curl is required for NuGet support (project '%s' is referencing NuGet packages)", prj.name)
+		end
+	end
+
+
 	function m.uniqueProjectIds(wks)
 		local uuids = {}
 		for prj in p.workspace.eachproject(wks) do