[R-pkg-devel] BH windows compilation issues in R devel

[Dirk Eddelbuettel]

On 19 January 2021 at 21:51, Frantisek Bartos wrote:
| I wanted to submit a new version of my package and I encountered issues
| with boost when compiling it on R devel version for windows. (Please excuse
| my stupidity, but I'm a complete noob in regards to compilers and C++)
| 
| A full error stack is accessible here (the Debian one worked without
| issues):
| https://win-builder.r-project.org/incoming_pretest/RoBMA_1.2.0_20210119_161819/Windows/00install.out

It's actually a _linker_ error, see the 'multiple definitions' hint:

D:/Compiler/rtools40/mingw32/bin/../lib/gcc/i686-w64-mingw32/8.3.0/../../../../i686-w64-mingw32/bin/ld.exe: D:/Compiler/rtools40/mingw32/bin/../lib/gcc/i686-w64-mingw32/8.3.0/libstdc++.a(cow-stdexcept.o):(.text$_ZNSt13runtime_errorC2ERKS_+0x0): multiple definition of `std::runtime_error::runtime_error(std::runtime_error const&)'; distributions/DTboost.o:DTboost.cc:(.text$_ZNSt13runtime_errorC2ERKS_[__ZNSt13runtime_errorC2ERKS_]+0x0): first defined here

I have had similar issues when including something twice or more times that
was meant to be included only once. It could also be a setup issue. Bit hard
to tell but I don't have spare cycles to dig deeper now.

Dirk

| I checked that removing all C++ code that contains anything boost related
| resolves the issue, however, I did not encounter this error before.
| 
| An updated version of the code is accessible at GitHub
| https://github.com/FBartos/RoBMA
| 
| Thanks,
| Frantisek
| 
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| 
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