--- a/src/Makevars	2022-11-11 22:25:08.717400057 +0100
+++ b/src/Makevars	2022-11-11 22:25:01.673297929 +0100
@@ -1,4 +1,5 @@
 PKG_LIBS = $(LAPACK_LIBS) $(BLAS_LIBS) $(FLIBS)  `${R_HOME}/bin/Rscript -e "Rcpp:::LdFlags()"`
 # PKG_CPPFLAGS = `gsl-config --cflags` `${R_HOME}/bin/Rscript -e "Rcpp:::CxxFlags()"`
-PKG_CPPFLAGS = `${R_HOME}/bin/Rscript -e "Rcpp:::CxxFlags()"`
+#PKG_CPPFLAGS = `${R_HOME}/bin/Rscript -e "Rcpp:::CxxFlags()"`
+PKG_CPPFLAGS = -I${PREFIX}/lib/R/library/Rcpp/include -Wno-register
 
