[Rd] Setting the path to Rtools for package compilation on Windows

[Søren Højsgaard]

I can confirm the behaviour that you report. 

Usually I put Rtools in c:\programs\Rtools and modify the path
accordingly. Recently (don't recall for how long) I have encountered
the same problems as you have and I have resorted to moving Rtools to
c:\Rtools

I have no idea as how to proceed; perhaps it could be worth trying an
older version of Rtools (though that may cause other problems).

Regards
Søren


On Mon, 2018-02-12 at 22:45 -0800, Peter Langfelder wrote:
> Hi all,
> 
> I'm trying to set up the Windows Rtools toolset for building packages
> with compiled code. I installed for Windows R-3.4.3 from CRAN and
> installed Rtools-3.4 in a custom location M:\R\R-3.4.3 and
> M:\R\Rtools-3.4
> 
> Following the instructions, in shell, I set
> Path=M:\R\Rtools-3.4\bin;M:\R\Rtools-3.4\gcc-4.6.3\bin;M:\R\R-
> 3.4.3\bin;...
> (the ... are other paths irrelevant for R/Rtools).
> 
> When I run
> 
> M:\Work\RLibs>R.exe CMD INSTALL --build WGCNA
> 
> I get the following ouput:
> 
> In R CMD INSTALL
> * installing to library 'M:/R/R-3.4.3/library'
> * installing *source* package 'WGCNA' ...
> ** libs
> 
> *** arch - i386
> c:/Rtools/mingw_32/bin/g++  -I"M:/R/R-3.4.3/include" -DNDEBUG
> -O2 -Wall  -mtune=generic -c bucketApproxSort.cc
> -o bucketApproxSort.o
> c:/Rtools/mingw_32/bin/g++: not found
> make: *** [bucketApproxSort.o] Error 127
> Warning: running command 'make -f "Makevars.win" -f
> "M:/R/R-3.4.3/etc/i386/Makeconf" -f "M:/R/R-3.4.3/share/make/winshli
> b.mk" SHLIB_LDFLAGS='$(SHLIB_CXXLDFLAGS)' SHLIB_LD='$(SHLIB_CXXLD)'
> SHLIB="WGCNA.dll" OBJECTS="bucketApproxSort.o corFun
> ctions-common.o corFunctions-unified.o networkFunctions.o pivot.o
> quantileC.o"' had status 2
> ERROR: compilation failed for package 'WGCNA'
> * removing 'M:/R/R-3.4.3/library/WGCNA'
> * restoring previous 'M:/R/R-3.4.3/library/WGCNA'
> 
> 
> Apparently the install is looking for Rtools in c:\Rtools. I am a
> perpetual Windows newbie and would be really thankful for any
> pointers
> as to how to proceed.
> 
> Peter
> 
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