Vaclav,
1) I already told you not to use "include" without the gsl/ layer. Don't do
that. It will bite you eventually when other GSL headers (with a
hardcoded gsl/) try to call each other.
This is a convention the upstream developers chose. Stick with it, or
risk obscure bugs.
2) I already told you about the existing plugin and its use of -I flags. Run
the following:
library(inline)
fun <- cxxfunction(signature(), plugin="RcppGSL", verbose=TRUE, body='
int answer = 42;
return Rcpp::wrap(answer);
')
and you should see
>> setting environment variables:
PKG_LIBS = -L/usr/lib -lgsl -lgslcblas -lm $(LAPACK_LIBS) $(BLAS_LIBS)
$(FLIBS) -L/usr/local/lib/R/site-library/Rcpp/lib -lRcpp
-Wl,-rpath,/usr/local/lib/R/site-library/Rcpp/lib
PKG_CPPFLAGS = -I/usr/include
>> LinkingTo : RcppGSL, Rcpp
CLINK_CPPFLAGS = -I"/usr/local/lib/R/site-library/RcppGSL/include"
-I"/usr/local/lib/R/site-library/Rcpp/include"
[...]
Compilation argument:
/usr/lib/R/bin/R CMD SHLIB file6de9438a5047.cpp 2>
file6de9438a5047.cpp.err.txt
g++-4.6 -I/usr/share/R/include -DNDEBUG -I/usr/include
-I"/usr/local/lib/R/site-library/RcppGSL/include"
-I"/usr/local/lib/R/site-library/Rcpp/include" -fpic -g -O0 -Wall -c
file6de9 438a5047.cpp -o file6de9438a5047.o
g++-4.6 -shared -o file6de9438a5047.so file6de9438a5047.o -L/usr/lib
-lgsl -lgslcblas -lm -llapack -lblas -lgfortran -lm -lquadmath
-L/usr/local/lib/R/site-library/Rcpp/lib -lRcpp
-Wl,-rpath,/usr/local/lib/R/site-library/Rcpp/lib -L/usr/lib/R/lib -lR
Dirk
--
Dirk Eddelbuettel | e...@debian.org | http://dirk.eddelbuettel.com
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