Happily it was an easy fix!
https://github.com/RcppCore/Rcpp/commit/3c096d7ae8523222ac8e83d0e15d92af07df1abe
J.J.
On Thu, Apr 14, 2016 at 5:17 AM, JJ Allaire <jj.alla...@gmail.com> wrote:
> Martin,
>
> The code = variation won't work on either platform (as there is no
> baseline file path from which to compute the location of included files).
> The file = variation that works on Linux should indeed work on Windows,
> I'll take a look and see what's going on there.
>
> J.J.
>
> On Wed, Apr 13, 2016 at 5:15 PM, Martin Lysy <ml...@uwaterloo.ca> wrote:
>
>> In the document "Rcpp Attributes: Rcpp version 0.12.3 as of January 10,
>> 2016", Section 2.10.2 explains how to share code between C++ files. I am
>> obtaining errors when attempting to compile using the outlined steps on
>> both Windows and Linux.
>>
>> Windows:
>> Platform: x86_64-w64-mingw32/x64 (64-bit)
>> Version: Windows 8.1
>> R version 3.2.4 Revised (2016-03-16 r70336) -- "Very Secure Dishes"
>> Rcpp version 0.12.4
>>
>> Linux:
>> Platform: x86_64-pc-linux-gnu (64-bit)
>> Version: CentOS release 6.7 (Final)
>> R version: 3.2.2 (2015-08-14) -- "Fire Safety"
>> (I do not have admin privileges to update R on this machine)
>> Rcpp version: 0.12.4
>>
>> Sample code is:
>>
>>
>> #-----------------------------------------------------------------------------------------------
>>
>> require(Rcpp)
>>
>> # header file
>> header <- "
>> #ifndef __UTILITIES__
>> #define __UTILITIES__
>> double timesTwo(double x);
>> #endif // __UTILITIES__
>> "
>> cat(header, file = "utilities.hpp")
>>
>> # implementation file
>> impl <- "
>> #include \"utilities.hpp\"
>> double timesTwo(double x) {
>> return x * 2;
>> }
>> "
>> cat(impl, file = "utilities.cpp")
>>
>> # main file
>> main <- "
>> #include <Rcpp.h>
>> using namespace Rcpp;
>> #include \"utilities.hpp\"
>> //[[Rcpp::export]]
>> double TimesTwo(double x) {
>> return timesTwo(x);
>> }
>> "
>> cat(main, file = "main.cpp")
>>
>> # works on linux
>> sourceCpp(file = "main.cpp")
>>
>> # does not work on linux
>> sourceCpp(code = main)
>>
>>
>> #-----------------------------------------------------------------------------------------------
>>
>> Neither of the last two commands works for me on Windows. Attached below
>> is the output of the failed commands for Windows and Linux (first command
>> for former, second command for latter). Can you please indicate what is
>> wrong with the steps above?
>>
>> Best regards,
>>
>> Martin Lysy
>> Assistant Professor of Statistics
>> Department of Statistics and Actuarial Science
>> University of Waterloo
>>
>> ====================================================
>>
>> WINDOWS OUTPUT
>>
>> > sourceCpp(file = "main.cpp", verbose = TRUE)
>>
>> Generated extern "C" functions
>> --------------------------------------------------------
>>
>>
>> #include <Rcpp.h>
>> // TimesTwo
>> double TimesTwo(double x);
>> RcppExport SEXP sourceCpp_0_TimesTwo(SEXP xSEXP) {
>> BEGIN_RCPP
>> Rcpp::RObject __result;
>> Rcpp::RNGScope __rngScope;
>> Rcpp::traits::input_parameter< double >::type x(xSEXP);
>> __result = Rcpp::wrap(TimesTwo(x));
>> return __result;
>> END_RCPP
>> }
>>
>> Generated R functions
>> -------------------------------------------------------
>>
>> `.sourceCpp_0_DLLInfo` <-
>> dyn.load('C:/Users/mlysy/AppData/Local/Temp/RtmpclqYkL/sourcecpp_c5c157c5536/sourceCpp_1.dll')
>>
>> TimesTwo <- Rcpp:::sourceCppFunction(function(x) {}, FALSE,
>> `.sourceCpp_0_DLLInfo`, 'sourceCpp_0_TimesTwo')
>>
>> rm(`.sourceCpp_0_DLLInfo`)
>>
>> Building shared library
>> --------------------------------------------------------
>>
>> DIR: C:/Users/mlysy/AppData/Local/Temp/RtmpclqYkL/sourcecpp_c5c157c5536
>>
>> c:/PROGRA~1/R/R-32~1.4RE/bin/x64/R CMD SHLIB -o "sourceCpp_1.dll"
>> "c:\Users\Jerome\Documents\R\test\utilities.cpp" "main.cpp"
>> make: *** No rule to make target
>> `c:\Users\Jerome\Documents\R\test\utilities.o', needed by
>> `sourceCpp_1.dll'. Stop.
>> Warning message:
>> running command 'make -f "c:/PROGRA~1/R/R-32~1.4RE/etc/x64/Makeconf" -f
>> "c:/PROGRA~1/R/R-32~1.4RE/share/make/winshlib.mk" -f
>> "C:\Users\mlysy\AppData\Roaming/.R/Makevars"
>> SHLIB_LDFLAGS='$(SHLIB_CXXLDFLAGS)' SHLIB_LD='$(SHLIB_CXXLD)'
>> SHLIB="sourceCpp_1.dll" WIN=64 TCLBIN=64
>> OBJECTS="c:\Users\Jerome\Documents\R\test\utilities.o main.o"' had status 2
>> Error in sourceCpp(file = "main.cpp", verbose = TRUE) :
>> Error 1 occurred building shared library.
>>
>> ==============================================================
>>
>> LINUX OUTPUT
>>
>> > sourceCpp(code = main, verbose = TRUE)
>>
>> Generated extern "C" functions
>> --------------------------------------------------------
>>
>>
>> #include <Rcpp.h>
>> // TimesTwo
>> double TimesTwo(double x);
>> RcppExport SEXP sourceCpp_0_TimesTwo(SEXP xSEXP) {
>> BEGIN_RCPP
>> Rcpp::RObject __result;
>> Rcpp::RNGScope __rngScope;
>> Rcpp::traits::input_parameter< double >::type x(xSEXP);
>> __result = Rcpp::wrap(TimesTwo(x));
>> return __result;
>> END_RCPP
>> }
>>
>> Generated R functions
>> -------------------------------------------------------
>>
>> `.sourceCpp_0_DLLInfo` <-
>> dyn.load('/tmp/RtmpEhyQ33/sourcecpp_7c167caa37d5/sourceCpp_1.so')
>>
>> TimesTwo <- Rcpp:::sourceCppFunction(function(x) {}, FALSE,
>> `.sourceCpp_0_DLLInfo`, 'sourceCpp_0_TimesTwo')
>>
>> rm(`.sourceCpp_0_DLLInfo`)
>>
>> Building shared library
>> --------------------------------------------------------
>>
>> DIR: /tmp/RtmpEhyQ33/sourcecpp_7c167caa37d5
>>
>> /software/r-3.2.2-tcl86/distribution/lib64/R/bin/R CMD SHLIB -o
>> 'sourceCpp_1.so' 'file7c16504c2103.cpp'
>> g++ -I/software/r-3.2.2-tcl86/distribution/lib64/R/include -DNDEBUG
>> -I/software/readline/include -I/software/gsl-1.15/include
>> -I"/fsys1/.software/arch/r-3.2.2-tcl86/distribution/lib64/R-contrib/Rcpp/include"
>> -I"/tmp/RtmpEhyQ33" -fpic -g -O2 -c file7c16504c2103.cpp -o
>> file7c16504c2103.o
>> file7c16504c2103.cpp:4:25: error: utilities.hpp: No such file or directory
>> file7c16504c2103.cpp: In function 'double TimesTwo(double)':
>> file7c16504c2103.cpp:7: error: 'timesTwo' was not declared in this scope
>> make: *** [file7c16504c2103.o] Error 1
>> Error in sourceCpp(code = main, verbose = TRUE) :
>> Error 1 occurred building shared library.
>>
>>
>> _______________________________________________
>> Rcpp-devel mailing list
>> Rcpp-devel@lists.r-forge.r-project.org
>> https://lists.r-forge.r-project.org/cgi-bin/mailman/listinfo/rcpp-devel
>>
>
>
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