[R] Unable to make bitmapdll files on windows 7 64 bit machine

[Duncan Murdoch]

On 22/04/2010 2:03 PM, arnholtat at appstate.edu wrote:
> I am trying to build a windows 32 bit version of R 2.11.0 from source on a machine running
>  windows 7 - 64 bit while running as the machine's administrator.
> I am able to run "make all recommended"...However, once I attempt to build the bitmap files I get the following:
>
> C:\Rsource\R-2.11.0\src\gnuwin32>make bitmapdll
> make -C bitmap
> make[1]: Entering directory `/cygdrive/c/Rsource/R-2.11.0/src/gnuwin32/bitmap'
> make CC='gcc -std=gnu99' AR='ar' \
>   CFLAGS="-O3 -I../../../extra/zlib -DPNG_NO_MMX_CODE" \
>   RANLIB=ranlib ZLIBLIB=../../../extra/zlib -C libpng \
>   -f scripts/makefile.mingw prefix=foo libpng.a
> gcc -std=gnu99 -c -O3 -I../../../extra/zlib -DPNG_NO_MMX_CODE -o png.o png.c
> Assembler messages:
> Fatal error: can't create png.o: Permission denied
> make[3]: *** [png.o] Error 1
> make[2]: *** [buildpng] Error 2
> make[1]: *** [all] Error 2
> make[1]: Leaving directory `/cygdrive/c/Rsource/R-2.11.0/src/gnuwin32/bitmap'
> make: *** [bitmapdll] Error 2
>
> Any suggestions/hints on what I am messing up are most appreciated.  
>   

You  need to check the permissions on the files installed by the Rtools 
installer.  From the look of it, you are missing some permissions on the 
src/gnuwin32/bitmap/libpng directory, or one of its parents.  In Unix 
terms, you need read-write-execute permission on all of those 
directories, and I think the Rtools installer is not currently giving 
you that.  You can run "ls -l" to see what permissions you've got; ls is 
in the Rtools.  I forget how you change permissions in Windows 7 without 
chmod, but I think it's a matter of working with the Properties you see 
when you right click the file.  (Or you can install Cygwin, and then 
you'll get chmod.)

Duncan Murdoch
> Thanks in advance.
>
> Alan-
>
> Alan T. Arnholt
> Professor and Assistant Chair
> Department of Mathematical Sciences
> Appalachian State University
> T:(828)262-2863
> F:(828)265-8617
> http://www1.appstate.edu/~arnholta/
>
>   
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