Hi Dirk, ldd is not bringing up csparse which suggests that it is a linking problem. For liking I used both the SHLIB and INSTALL comands using - L (see below), but both generate the same problem.
Cheers, Jarrod [EMAIL PROTECTED] ~]$ R CMD SHLIB ~/Work/AManal2/src/SStest.cc -L/ home/jarrod/My_Programs/SuiteSparse/CSparse/Lib -lcsparse g++ -I/usr/lib/R/include -I/usr/lib/R/include -I/usr/local/ include -fpic -O2 -g -pipe -Wall -Wp,-D_FORTIFY_SOURCE=2 - fexceptions -fstack-protector --param=ssp-buffer-size=4 -m32 - march=i386 -mtune=generic -fasynchronous-unwind-tables -c /home/ jarrod/Work/AManal2/src/SStest.cc -o /home/jarrod/Work/AManal2/src/ SStest.o /home/jarrod/Work/AManal2/src/SStest.cc: In function Äòvoid SStest (int*, int*, double*, int*, int*)Äô: /home/jarrod/Work/AManal2/src/SStest.cc:18: warning: unused variable ÄòiAÄô /home/jarrod/Work/AManal2/src/SStest.cc:19: warning: unused variable ÄòpAÄô /home/jarrod/Work/AManal2/src/SStest.cc:20: warning: unused variable ÄòxAÄô g++ -shared -L/usr/local/lib -o /home/jarrod/Work/AManal2/src/ SStest.so /home/jarrod/Work/AManal2/src/SStest.o -L/home/jarrod/ My_Programs/SuiteSparse/CSparse/Lib -lcsparse -L/usr/lib/R/lib -lR >dyn.load("~/Work/AManal2/src/SStest.so") Error in dyn.load("~/Work/AManal2/src/SStest.so") : unable to load shared library '/home/jarrod/Work/AManal2/src/ SStest.so': /home/jarrod/Work/AManal2/src/SStest.so: undefined symbol: _Z10cs_spallociiiii [EMAIL PROTECTED] ~]$ R CMD INSTALL -l ~/Desktop ~/Work/AManal2 * Installing *source* package 'AManal' ... ** libs g++ -I/usr/lib/R/include -I/usr/lib/R/include -I/home/jarrod/ My_Programs/SuiteSparse/CSparse/Include -I/usr/local/include - fpic -O2 -g -pipe -Wall -Wp,-D_FORTIFY_SOURCE=2 -fexceptions -fstack- protector --param=ssp-buffer-size=4 -m32 -march=i386 -mtune=generic - fasynchronous-unwind-tables -c SStest.cc -o SStest.o SStest.cc: In function Äòvoid SStest(int*, int*, double*, int*, int*) Äô: SStest.cc:18: warning: unused variable ÄòiAÄô SStest.cc:19: warning: unused variable ÄòpAÄô SStest.cc:20: warning: unused variable ÄòxAÄô g++ -shared -L/usr/local/lib -o AManal.so SStest.o -L/home/jarrod/ My_Programs/SuiteSparse/CSparse/Lib -lcsparse -L/usr/lib/R/lib -lR ** R ** data ** preparing package for lazy loading ** help >>> Building/Updating help pages for package 'AManal' Formats: text html latex example ** building package indices ... * DONE (AManal) library("AManal", lib.loc="~/Desktop") Error in dyn.load(file, ...) : unable to load shared library '/home/jarrod/Desktop/AManal/libs/ AManal.so': /home/jarrod/Desktop/AManal/libs/AManal.so: undefined symbol: _Z10cs_spallociiiii Error: package/namespace load failed for 'AManal' On 3 Dec 2007, at 16:57, Dirk Eddelbuettel wrote: > > On 3 December 2007 at 14:54, Jarrod Hadfield wrote: > | I'm trying to load some C++ code using dyn.load but I'm getting > | unresolved symbols associated with some external libraries > | (CSparse). I gather this is something to do with linking as the the > | code compiles fine. However, I've passed > | > | -L/home/jarrod/My_Programs/SuiteSparse/CSparse/Lib -lcsparse > | > | to the complier (g++), either directly using R CMD SHLIB or as > | PKG_LIBS in a Makevars file, and I cannot resolve the problem. I'm > | working with R 2.6.0 on fedora 6 > | > | Any help would be appreciated. > > Can you show us your error message upon load? What does ldd say > when pointed > at your package's library? How exactly is the linking done? > > Compare all that to a working library such as eg Matrix. That may > provide > further clues. > > Hth, Dirk > > -- > Three out of two people have difficulties with fractions. > [[alternative HTML version deleted]]
______________________________________________ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.