[Rcpp-devel] Rcpp build trouble with strings

[Dirk Eddelbuettel]

On 20 August 2013 at 08:34, Wush Wu wrote:
| Maybe you need to set some flag in NAMESPACES to ask the package to load
| required libraries.

No, not at all.

The system linker still needs to find it. Example from my system:

edd at max:~$ ldd /usr/local/lib/R/site-library/RcppGSL/libs/RcppGSL.so 
	linux-vdso.so.1 =>  (0x00007ffff97fe000)
	libgsl.so.0 => /usr/lib/libgsl.so.0 (0x00007f77d6211000)
	libgslcblas.so.0 => /usr/lib/libgslcblas.so.0 (0x00007f77d5fc9000)
	libRcpp.so => /usr/local/lib/R/site-library/Rcpp/lib/libRcpp.so (0x00007f77d5d4a000)
	libR.so => /usr/lib/libR.so (0x00007f77d5848000)
	libstdc++.so.6 => /usr/lib/x86_64-linux-gnu/libstdc++.so.6 (0x00007f77d5545000)
	libm.so.6 => /lib/x86_64-linux-gnu/libm.so.6 (0x00007f77d523f000)
	libgcc_s.so.1 => /lib/x86_64-linux-gnu/libgcc_s.so.1 (0x00007f77d5029000)
	libc.so.6 => /lib/x86_64-linux-gnu/libc.so.6 (0x00007f77d4c61000)
	libblas.so.3 => /usr/lib/libblas.so.3 (0x00007f77d328f000)
	libreadline.so.6 => /lib/x86_64-linux-gnu/libreadline.so.6 (0x00007f77d304d000)
	libpcre.so.3 => /lib/x86_64-linux-gnu/libpcre.so.3 (0x00007f77d2e0e000)
	liblzma.so.5 => /lib/x86_64-linux-gnu/liblzma.so.5 (0x00007f77d2beb000)
	libbz2.so.1.0 => /lib/x86_64-linux-gnu/libbz2.so.1.0 (0x00007f77d29db000)
	libz.so.1 => /lib/x86_64-linux-gnu/libz.so.1 (0x00007f77d27c4000)
	librt.so.1 => /lib/x86_64-linux-gnu/librt.so.1 (0x00007f77d25bb000)
	libdl.so.2 => /lib/x86_64-linux-gnu/libdl.so.2 (0x00007f77d23b7000)
	libgomp.so.1 => /usr/lib/x86_64-linux-gnu/libgomp.so.1 (0x00007f77d21a8000)
	libpthread.so.0 => /lib/x86_64-linux-gnu/libpthread.so.0 (0x00007f77d1f8a000)
	/lib64/ld-linux-x86-64.so.2 (0x00007f77d689f000)
	libtinfo.so.5 => /lib/x86_64-linux-gnu/libtinfo.so.5 (0x00007f77d1d62000)
edd at max:~$ 

All libraries resolve cleanly -- and I can of course load the package.

Dirk

-- 
Dirk Eddelbuettel | edd at debian.org | http://dirk.eddelbuettel.com