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2013 May 24
0
Rcpp with OpenMP - Need example Makevars
...an absolute newbie with writing C++ extensions and have not
much understanding of the Makevars file, I am unsure what to write
into it. Currently I have:
## Use the R_HOME indirection to support installations of multiple R version
PKG_LIBS = `$(R_HOME)/bin/Rscript -e "Rcpp:::LdFlags()"`
KG_CFLAGS = $(SHLIB_OPENMP_CXXFLAGS)
PKG_LIBS = $(SHLIB_OPENMP_CXXFLAGS)
## -- compiling for OpenMP
PKG_CXXFLAGS=-fopenmp
##
## -- linking for OpenMP
PKG_LIBS= -fopenmp -lgomp
Obviously compilation fails with error:
R CMD INSTALL OpenMPTest
Symbol not found: __ZTIN4Rcpp19index_out_of_boundsE
With standar...