[Rcpp-devel] Package built with Rcpp fails to install

[Romain Francois]

The problem is likely to be that it was assumed that List derives from RObject. 

It used to, it does not anymore. 

Classes from the api now use a policy based design. See andrei alexandrescu's modern c++ book for the why and the how of policy based design. 

. 

Envoyé de mon iPhone

Le 3 févr. 2014 à 20:01, Kevin Ushey <kevinushey at gmail.com> a écrit :

> Hi Tal,
> 
> I get the same error with the new CRAN Rcpp, 0.11.0. I'll try to take
> a look later.
> 
> -Kevin
> 
> On Mon, Feb 3, 2014 at 10:32 AM, Tal Galili <tal.galili at gmail.com> wrote:
>> Dear Rcpp people,
>> 
>> I am trying to get a new package to CRAN called {dendextendRcpp}. Here is
>> the repos:
>> https://github.com/talgalili/dendextendRcpp
>> 
>> (note that this package relies on the {dendextend} which has just been
>> released to CRAN today :) )
>> 
>> 
>> The package loads fine for me (on R-devel, with Windows 7), however Kurt
>> Hornik (CRAN maintainer) could not get the package to load on Linux.
>> Following is the error massage that he got. Any input (either here or on the
>> git repo) will be most appreciated.
>> 
>> With regards,
>> Tal
>> 
>> ========================
>> 
>> (p.s: I suspect this might be because I use .hpp files in src. Should I use
>> something else?)
>> 
>> 
>> 
>> * installing *source* package 'dendextendRcpp' ...
>> ** libs
>> clang++ -std=c++11 -I/home/Hornik/tmp/R-d-clang/include -DNDEBUG
>> -I/usr/local/include
>> -I"/home/Hornik/lib/R/Library/3.1/x86_64-linux-gnu/Rcpp/include"   -fpic  -g
>> -O3 -Wall -Wno-unused -pedantic -c RcppExports.cpp -o RcppExports.o
>> clang++ -std=c++11 -I/home/Hornik/tmp/R-d-clang/include -DNDEBUG
>> -I/usr/local/include
>> -I"/home/Hornik/lib/R/Library/3.1/x86_64-linux-gnu/Rcpp/include"   -fpic  -g
>> -O3 -Wall -Wno-unused -pedantic -c cut_lower.cpp -o cut_lower.o
>> cut_lower.cpp:35:7: error: no matching function for call to 'get_height'
>>  if(get_height(tree) <= height) {
>>     ^~~~~~~~~~
>> ./get_branches_heights.hpp:29:8: note: candidate function not viable: no
>> known conversion from 'List' (aka 'Vector<19>') to 'RObject' (aka
>> 'RObject_Impl<PreserveStorage>') for 1st argument
>> double get_height(RObject x);
>>      ^
>> cut_lower.cpp:36:13: error: no matching member function for call to
>> 'push_back'
>>     lower.push_back(tree);
>>     ~~~~~~^~~~~~~~~
>> /usr/bin/../lib/gcc/x86_64-linux-gnu/4.8/../../../../include/c++/4.8/bits/stl_vector.h:901:7:
>> note: candidate function not viable: no known conversion from 'List' (aka
>> 'Vector<19>') to 'const value_type' (aka 'const
>> Rcpp::RObject_Impl<PreserveStorage>') for 1st argument
>>     push_back(const value_type& __x)
>>     ^
>> /usr/bin/../lib/gcc/x86_64-linux-gnu/4.8/../../../../include/c++/4.8/bits/stl_vector.h:919:7:
>> note: candidate function not viable: no known conversion from 'List' (aka
>> 'Vector<19>') to 'value_type' (aka 'Rcpp::RObject_Impl<PreserveStorage>')
>> for 1st argument
>>     push_back(value_type&& __x)
>>     ^
>> cut_lower.cpp:84:7: error: no matching function for call to 'is_leaf'
>>  if(is_leaf( tree )) {
>>     ^~~~~~~
>> ./is_functions.hpp:35:6: note: candidate function not viable: no known
>> conversion from 'List' (aka 'Vector<19>') to 'RObject' (aka
>> 'RObject_Impl<PreserveStorage>') for 1st argument
>> bool is_leaf(RObject x);
>>    ^
>> 3 errors generated.
>> make: *** [cut_lower.o] Error 1
>> clang++ -std=c++11 -I/home/Hornik/tmp/R-d-clang/include -DNDEBUG
>> -I/usr/local/include
>> -I"/home/Hornik/lib/R/Library/3.1/x86_64-linux-gnu/Rcpp/include"   -fpic  -g
>> -O3 -Wall -Wno-unused -pedantic -c cut_lower.cpp -o cut_lower.o
>> cut_lower.cpp:35:7: error: no matching function for call to 'get_height'
>>  if(get_height(tree) <= height) {
>>     ^~~~~~~~~~
>> ./get_branches_heights.hpp:29:8: note: candidate function not viable: no
>> known conversion from 'List' (aka 'Vector<19>') to 'RObject' (aka
>> 'RObject_Impl<PreserveStorage>') for 1st argument
>> double get_height(RObject x);
>>      ^
>> cut_lower.cpp:36:13: error: no matching member function for call to
>> 'push_back'
>>     lower.push_back(tree);
>>     ~~~~~~^~~~~~~~~
>> /usr/bin/../lib/gcc/x86_64-linux-gnu/4.8/../../../../include/c++/4.8/bits/stl_vector.h:901:7:
>> note: candidate function not viable: no known conversion from 'List' (aka
>> 'Vector<19>') to 'const value_type' (aka 'const
>> Rcpp::RObject_Impl<PreserveStorage>') for 1st argument
>>     push_back(const value_type& __x)
>>     ^
>> /usr/bin/../lib/gcc/x86_64-linux-gnu/4.8/../../../../include/c++/4.8/bits/stl_vector.h:919:7:
>> note: candidate function not viable: no known conversion from 'List' (aka
>> 'Vector<19>') to 'value_type' (aka 'Rcpp::RObject_Impl<PreserveStorage>')
>> for 1st argument
>>     push_back(value_type&& __x)
>>     ^
>> cut_lower.cpp:84:7: error: no matching function for call to 'is_leaf'
>>  if(is_leaf( tree )) {
>>     ^~~~~~~
>> ./is_functions.hpp:35:6: note: candidate function not viable: no known
>> conversion from 'List' (aka 'Vector<19>') to 'RObject' (aka
>> 'RObject_Impl<PreserveStorage>') for 1st argument
>> bool is_leaf(RObject x);
>>    ^
>> 3 errors generated.
>> make: *** [cut_lower.o] Error 1
>> ERROR: compilation failed for package 'dendextendRcpp'
>> * removing '/home/Hornik/tmp/CRAN/dendextendRcpp.Rcheck/dendextendRcpp'
>> 
>> 
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