solved I just linked to the libR.a :¬/
2009/5/8 Casper Clemence <[email protected]>: > I have been trying to compile the earth Multivariate Adaptive > Regression of Splines package as a standalone application under Linux > (x86_64 kernel-2.6.27.21 openSUSE 11.1) with gcc 4.3.2. > > The package compiles without problems from within R as an R module and > I get the following linker error: > > earth.c:(.text+0x1a14): undefined reference to `dqrdc2_' > earth.c:(.text+0x1ae4): undefined reference to `dqrsl_' > earth.c:(.text+0x1d99): undefined reference to `dtrsl_' > > earth.c includes: > > extern _C_ int dqrdc2_(... > extern _C_ int dqrsl_(... > extern _C_ void dtrsl_(.. > extern _C_ void daxpy_(... > extern _C_ double ddot_(... > > I'm linking against libRblas.so and libRlapack.so so I did "nm > libRblas.so libRlapack.so" and found that there were no symbols for > dqrdc2_, dqrsl_, dqrsl_ and dtrsl_. > > The functions are declared in "R_ext/Applic.h" and implemented in > separate f77 files. > > I find that libR.a appears to contain the symbols but there is no libR.so > > I'm compiling earth using: > > gcc -DSTANDALONE -DMAIN -Wall -pedantic -Wextra -O3 -std=gnu99 > -I/home/badbear/Documents/code/localpackages/lib64/R/include > -I../src/tests ../src/earth.c -L. -lblas -lRblas -lRlapack -o > earthMain > > (I have placed libRblas.so and libRlapack.so in the local folder > because I was having problems with linking to them in another > location) > > Do I need to create a shared-object from libR.a? Do I need to link > agains libR.a directly? > > Many thanks, > > Casper > ______________________________________________ [email protected] mailing list https://stat.ethz.ch/mailman/listinfo/r-devel
