// check_r_headers.h: Rcpp R/C++ interface class library -- R header check

//

// Copyright (C) 2025 - current Dirk Eddelbuettel

//

// 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/>.

#ifndef RCPP__CHECK__R__HEADERS__H

#define RCPP__CHECK__R__HEADERS__H

// Allow an escape hatch

#if !defined(RCPP_NO_R_HEADERS_CHECK)

#if defined(R_R_H) && defined(USING_R)

#pragma message "R.h has been included before any Rcpp headers. This can lead to hard-to-debug errors, and is not necessary. See https://github.com/RcppCore/Rcpp/issues/1410"

#endif

#if defined(RINTERFACE_H_)

#pragma message "Rinterface.h has been included before any Rcpp headers. This can lead to hard-to-debug errors, and is not necessary. See https://github.com/RcppCore/Rcpp/issues/1410"

#endif

#if defined(R_INTERNALS_H_)

#pragma message "Rinternals.h has been included before any Rcpp headers. This can lead to hard-to-debug errors, and is not necessary. See https://github.com/RcppCore/Rcpp/issues/1410"

#endif

#if defined(R_DEFINES_H_)

#pragma message "Rdefines.h has been included before any Rcpp headers. This can lead to hard-to-debug errors, and is not necessary. See https://github.com/RcppCore/Rcpp/issues/1410"

#endif

#endif // escape hatch '!defined(RCPP_NO_R_HEADERS_CHECK)'

#endif // header guard