No longer define HAS_VARIADIC_TEMPLATES

Author: eddelbuettel

ChangeLog

@@ -38,6 +38,9 @@
 	* inst/include/Rcpp/generated/Pairlist__ctors.h: Idem
 	* inst/include/Rcpp/generated/InternalFunction__ctors.h: Idem
 
+	* inst/include/Rcpp/platform/compiler.h: No longer define HAS_VARIADIC_TEMPLATES
+	* src/api.cpp (rcpp_can_use_cxx0x): Return true unconditionally
+
 2025-03-15  Dirk Eddelbuettel  <[email protected]>
 
 	* DESCRIPTION (Version, Date): Roll micro version and date

inst/include/Rcpp/platform/compiler.h

@@ -34,7 +34,6 @@
 // C++11 features -- that used to be carefully tested for or worked around via CXX0X / TR1
 // These defines are all planned to get removed just how a number have already been removed. One at a time...
 #define RCPP_USING_CXX11
-#define HAS_VARIADIC_TEMPLATES
 #include <cmath>
 #include <initializer_list>
 #include <unordered_map>

inst/include/Rcpp/vector/Vector.h

@@ -1120,7 +1120,6 @@ class Vector :
         return Vector( 0 ) ;
     }
 
-    //    #if defined(HAS_VARIADIC_TEMPLATES)
 public:
     template <typename... T>
     static Vector create(const T&... t){

src/api.cpp

@@ -223,11 +223,7 @@ SEXP rcpp_capabilities() {
 
 // [[Rcpp::internal]]
 SEXP rcpp_can_use_cxx0x() {                                     // #nocov start
-    #if defined(HAS_VARIADIC_TEMPLATES)
-        return Rf_ScalarLogical(TRUE);
-    #else
-        return Rf_ScalarLogical(FALSE);
-    #endif
+    return Rf_ScalarLogical(TRUE);
 }
 
 
@@ -240,7 +236,6 @@ SEXP rcpp_can_use_cxx11() {
     #endif
 }
 
-
 // [[Rcpp::register]]
 SEXP stack_trace(const char* file, int line) {
     return R_NilValue;