[Rcpp-devel] Help on compilation of Rcpp and RInside

[Dirk Eddelbuettel]

(Please don't post twice.)

On 7 April 2011 at 05:20, deqiang sun wrote:
| Hi all,
| 
| Could someone help me on compilation of the RInside/inst/examples/standard/rinside_sample0.cpp. This example is the project Rinside0 created by eclipse.
| 
| And here is the error message for build.
| 
| **** Build of configuration Debug for project Rinside0 ****
| make all 
| Building file: ../src/Rinside0.cpp
| Invoking: GCC C++ Compiler
| g++ -I/home/deqiangs/workspace/RInside -I/home/deqiangs/workspace/Rcpp -I/home/deqiangs/workspace/RInside/inst/include -I/home/deqiangs/workspace/Rcpp/inst/include -I/usr/local/lib64/R/include -O0 -g3 -Wall -c -fmessage-length=0 -MMD -MP -MF"src/Rinside0.d" -MT"src/Rinside0.d" -o"src/Rinside0.o" "../src/Rinside0.cpp"
| Finished building: ../src/Rinside0.cpp
| 
| Building target: Rinside0
| Invoking: GCC C++ Linker
| g++  -o"Rinside0"  ./src/Rinside0.o   

No linking!

| ./src/Rinside0.o: In function `main':
| ~/workspace/Rinside0/Debug/../src/Rinside0.cpp:17: undefined reference to `RInside::RInside(int, char const* const*, bool)'
| ~/workspace/Rinside0/Debug/../src/Rinside0.cpp:19: undefined reference to `RInside::operator[](std::basic_string<char, std::char_traits<char>, std::allocator<char> > const&)'
| ~/workspace/Rinside0/Debug/../src/Rinside0.cpp:21: undefined reference to `RInside::parseEvalQ(std::basic_string<char, std::char_traits<char>, std::allocator<char> > const&)'
| ~/workspace/Rinside0/Debug/../src/Rinside0.cpp:23: undefined reference to `RInside::~RInside()'
| ./src/Rinside0.o: In function `Rcpp::wrap(char const*)':
| ~/workspace/Rcpp/inst/include/Rcpp/internal/wrap.h:781: undefined reference to `Rf_mkString'
| ./src/Rinside0.o: In function `bool Rcpp::Environment::assign<char [15]>(std::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, char const (&) [15]) const':
| ~/workspace/Rcpp/inst/include/Rcpp/Environment.h:270: undefined reference to `Rcpp::Environment::assign(std::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, SEXPREC*) const'
| ./src/Rinside0.o:(.gcc_except_table+0x10): undefined reference to `typeinfo for Rcpp::binding_is_locked'
| collect2: ld returned 1 exit status
| make: *** [Rinside0] Error 1

This is obviously an issue with the linker so you have to find out how you
tell Eclipse to tell gcc (and hence ld) about the libraries.
 
| How should I setup the environment so that the compiler/linker work seamlessly? I can not find any documentation on this.

It all works -- using the supplied Makefile. You chose not to use it, you
need to 'port' it to your preferred build tool.

The relevant lines are

LDLIBS := 		$(RLDFLAGS) $(RRPATH) $(RBLAS) $(RLAPACK) $(RCPPLIBS) $(RINSIDELIBS)

as well as all the lines filling the variables uses here.  When I build first
example, it ends up being (and note that paths etc depend on local
installations)

edd at max:~/svn/rinside/pkg/inst/examples/standard$ make rinside_sample0
g++ -I/usr/share/R/include -I/usr/local/lib/R/site-library/Rcpp/include -I"/usr/local/lib/R/site-library/RInside/include" -O3 -pipe -g -Wall    rinside_sample0.cpp  -L/usr/lib64/R/lib -lR  -lblas -llapack -L/usr/local/lib/R/site-library/Rcpp/lib -lRcpp -Wl,-rpath,/usr/local/lib/R/site-library/Rcpp/lib -L/usr/local/lib/R/site-library/RInside/lib -lRInside -Wl,-rpath,/usr/local/lib/R/site-library/RInside/lib -o rinside_sample0
edd at max:~/svn/rinside/pkg/inst/examples/standard$ 

You could always use make if the Eclipse build tool cannot be tamed...

Dirk

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