thanks for clearing that up, so these methods are actually not meant to be exported on Windows and OSX? Some of the ALTREP methods that now use 'attribute_hidden' would be very useful to packages that aim to be ALTREP aware, should the currently (exported) API be considered final?
thanks for your time & best, Mark On Tue, Jun 4, 2019 at 6:52 PM Tierney, Luke <luke-tier...@uiowa.edu> wrote: > On Tue, 4 Jun 2019, Mark Klik wrote: > > > Hello, > > > > I'm developing a package (lazyvec) that makes full use of the ALTREP > > framework (R >= 3.6.0). > > One application of the package is to wrap existing ALTREP vectors in a > new > > ALTREP vector and pass all calls from R to the contained object. The > > purpose of this is to provide a diagnostic framework for working with > > ALTREP vectors and show information about internal calls. > > > > The package builds on Windows and OSX but fails to build on Linux as can > be > > seen from the link to the Travis build: > > https://travis-ci.org/fstpackage/lazyvec/jobs/539442806 > > > > The reason of build failure is that many ALTREP methods generate > 'undefined > > symbol' errors upon building the package (on Linux). I've checked the R > > source code and the undefined symbols seems to be related to the > > 'attribute_hidden' before the function definition. For example, the > method > > 'ALTVEC_EXTRACT_SUBSET' is defined as: > > > > SEXP attribute_hidden ALTVEC_EXTRACT_SUBSET(SEXP x, SEXP indx, SEXP call) > > > > My question is why these differences between Windows / OSX and Linux > exist > > and if they are intentional? > > It is intentional that this not be part of the public API. This is > true of almost all functions with an ALTREP prefix. You need a > different approach that avoids using these directly. > > Best, > > luke > > > Do I need special build parameters to make sure my package builds > correctly > > on Linux? > > > > thanks for all the hard work! > > > > best, > > Mark > > > > PS: some additional info: > > > > package github repository: https://github.com/fstpackage/lazyvec > > AppVeyor package build logs: > > https://ci.appveyor.com/project/fstpackage/lazyvec > > Travis package build logs: > https://travis-ci.org/fstpackage/lazyvec/builds > > > > [[alternative HTML version deleted]] > > > > ______________________________________________ > > R-devel@r-project.org mailing list > > https://stat.ethz.ch/mailman/listinfo/r-devel > > > > -- > Luke Tierney > Ralph E. Wareham Professor of Mathematical Sciences > University of Iowa Phone: 319-335-3386 > Department of Statistics and Fax: 319-335-3017 > Actuarial Science > 241 Schaeffer Hall email: luke-tier...@uiowa.edu > Iowa City, IA 52242 WWW: http://www.stat.uiowa.edu > [[alternative HTML version deleted]] ______________________________________________ R-devel@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-devel
