Additional headers for easy-to-use light(er,est) entry points

ChangeLog

@@ -1,3 +1,10 @@
+2021-12-08  Dirk Eddelbuettel  <edd@debian.org>
+
+	* inst/include/Rcpp/Rcpp: Added as new entry point
+	* inst/include/Rcpp/Light: Added as lighter-weight entry point
+	* inst/include/Rcpp/Lighter: Idem
+	* inst/include/Rcpp/Lightest: Idem
+
 2021-11-30  Dirk Eddelbuettel  <edd@debian.org>
 
 	* README.md: Remove Travis badge

inst/include/Rcpp/Light

@@ -0,0 +1,25 @@
+// Rcpp/Light: R/C++ interface class library -- without Rcpp Modules
+//
+// Copyright (C) 2008 - 2021  Dirk Eddelbuettel
+// Copyright (C) 2009 - 2021  Dirk Eddelbuettel and Romain Francois
+//
+// This file is part of Rcpp.
+//
+// Rcpp is free software: you can redistribute it and/or modify it
+// under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 2 of the License, or
+// (at your option) any later version.
+//
+// Rcpp is distributed in the hope that it will be useful, but
+// WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with Rcpp.  If not, see <http://www.gnu.org/licenses/>.
+
+// no Modules
+#define RCPP_NO_MODULES
+
+// include Rcpp as usual
+#include <Rcpp/Rcpp>

inst/include/Rcpp/Lighter

@@ -0,0 +1,25 @@
+// Rcpp/Lighter: R/C++ interface class library -- without Rcpp Modules + RTTI
+//
+// Copyright (C) 2008 - 2021  Dirk Eddelbuettel
+// Copyright (C) 2009 - 2021  Dirk Eddelbuettel and Romain Francois
+//
+// This file is part of Rcpp.
+//
+// Rcpp is free software: you can redistribute it and/or modify it
+// under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 2 of the License, or
+// (at your option) any later version.
+//
+// Rcpp is distributed in the hope that it will be useful, but
+// WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with Rcpp.  If not, see <http://www.gnu.org/licenses/>.
+
+// no RTTI (actually implies no Modules) -- solid gain
+#define RCPP_NO_RTTI
+
+// include Rcpp/Light which includes Rcpp
+#include <Rcpp/Light>

inst/include/Rcpp/Lightest

@@ -0,0 +1,26 @@
+// Rcpp/Lightest: R/C++ interface class library -- without Rcpp Modules, RTTI, Sugar
+//
+// Copyright (C) 2008 - 2021  Dirk Eddelbuettel
+// Copyright (C) 2009 - 2021  Dirk Eddelbuettel and Romain Francois
+//
+// This file is part of Rcpp.
+//
+// Rcpp is free software: you can redistribute it and/or modify it
+// under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 2 of the License, or
+// (at your option) any later version.
+//
+// Rcpp is distributed in the hope that it will be useful, but
+// WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with Rcpp.  If not, see <http://www.gnu.org/licenses/>.
+// New (draft) header with optional components off
+
+// no Sugar (but unclear how much it helps)
+#define RCPP_NO_SUGAR
+
+// include Rcpp/Lighter
+#include <Rcpp/Lighter>

inst/include/Rcpp/Rcpp

@@ -0,0 +1,21 @@
+// Rcpp/Rcpp: R/C++ interface class library
+//
+// Copyright (C) 2008 - 2021  Dirk Eddelbuettel
+// Copyright (C) 2009 - 2021  Dirk Eddelbuettel and Romain Francois
+//
+// This file is part of Rcpp.
+//
+// Rcpp is free software: you can redistribute it and/or modify it
+// under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 2 of the License, or
+// (at your option) any later version.
+//
+// Rcpp is distributed in the hope that it will be useful, but
+// WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with Rcpp.  If not, see <http://www.gnu.org/licenses/>.
+
+#include <Rcpp.h>