On 2 August 2017 at 20:22, Michaël BENESTY wrote: | Hi, | | I am trying to wrap the Fasttext lib from Facebook on R. | I have wrote a minimal code based on Rcpp.package.skeleton(module = TRUE) | | The C++ file compiles/works with sourceCpp() but it crashes when | building a package. | I have checked many D. Eddelbuettel to get a clue of what to do but no luck. | I have already setup a Makevars file with a path to the include folder. | | The package source code is available there: | https://github.com/pommedeterresautee/FastRText | | My Makevars: | CXX_STD = CXX11 | ROOT_INCLUDE = ../inst/include/ | PKG_CPPFLAGS=-I$(ROOT_INCLUDE)
If this is a library then you need to __link__ to it as well. That is commonly done via PKG_LIBS=... and it may get you the additional problem of having to ensure users of your package have the fastText library installed. Dirk | | | The error I am seeing: | ==> R CMD INSTALL --preclean --no-multiarch --with-keep.source FastRText | ... | Error: package or namespace load failed for ‘FastRText’ in | dyn.load(file, DLLpath = DLLpath, ...): | impossible de charger l'objet partagé | '/home/geantvert/R/x86_64-pc-linux-gnu-library/3.4/FastRText/libs/FastRText.so': | /home/geantvert/R/x86_64-pc-linux-gnu-library/3.4/FastRText/libs/FastRText.so: | undefined symbol: _ZN8fasttext8FastTextC1Ev | | | The full log is available there: | https://github.com/pommedeterresautee/FastRText/issues/1 | | According to c++filt | undefined symbol: _ZN8fasttext8FastTextC1Ev means -> | fasttext::FastText::FastText() | | | Has anyone an idea? | | Kind regards, | Michaël | ________________ | Michaël BENESTY | mich...@benesty.fr | Please do not print this e-mail unless you really need to. | _______________________________________________ | Rcpp-devel mailing list | Rcpp-devel@lists.r-forge.r-project.org | https://lists.r-forge.r-project.org/cgi-bin/mailman/listinfo/rcpp-devel -- http://dirk.eddelbuettel.com | @eddelbuettel | e...@debian.org _______________________________________________ Rcpp-devel mailing list Rcpp-devel@lists.r-forge.r-project.org https://lists.r-forge.r-project.org/cgi-bin/mailman/listinfo/rcpp-devel
