Added cpp14 plugin

Author: dcdillon

R/Attributes.R

@@ -432,6 +432,11 @@ compileAttributes <- function(pkgdir = ".", verbose = getOption("verbose")) {
     list(env = list(PKG_CXXFLAGS ="-std=c++0x"))
 }
 
+# built-in C++14 plugin for C++14 standard
+.plugins[["cpp14"]] <- function() {
+    list(env = list(PKG_CXXFLAGS ="-std=c++14"))
+}
+
 # built-in C++1y plugin for C++14 and C++17 standard under development
 .plugins[["cpp1y"]] <- function() {
     list(env = list(PKG_CXXFLAGS ="-std=c++1y"))