Hi All,
I am having difficulty getting 64-bit R to compile properly on Tiger 10.4.11
.
Specifically, I have tried both installing R2.6.2 from source and installing
the R-25-br-quad.tar.gz binary, but both yield errors concerning X11.

When I build R-2.6.2.tar.gz from source, using the following commands:

export PATH=/usr/local/lib64/X11/bin:$PATH

./configure CC='gcc-4.0 -arch x86_64' CXX='g++-4.0 -arch x86_64' \F77='
gfortran-4.2 -arch x86_64' FC='gfortran-4.2 -arch x86_64' \r_arch=x86_64
\--with-blas='-framework vecLib' --with-lapack --with-x \--with-system-zlib
--build=x86_64-apple-darwin8.8.1 --prefix=/usr/local/lib64 --with-x
--x-includes=/usr/local/lib64/X11/include/
--x-libraries=/usr/local/lib64/X11/lib/ --with-readline \--without-iconv
\CFLAGS="-g -O2 -march=nocona" CXXFLAGS="-g -O2 -march=nocona" \FFLAGS="-g
-O2 -march=nocona" FCFLAGS="-g -O2 -march=nocona" \CPPFLAGS='-I/sw/include
-I/sw/include/readline -I/usr/local/include -I/usr/local/include/readline
-I/usr/include' \LDFLAGS='-L/usr/local/lib/x86_64 -L/usr/local/lib
-L/usr/lib -L/sw/lib'

compilation appears fine apart from the following error:
configure: error: --with-x=yes (default) and X11 headers/libs are not
available

I am not certain as to why this occurs given that the binaries are in the
PATH.

I have also followed the guide outlined on the experimental build page:
http://r.research.att.com/exp/
and in a previous post:
http://www.mail-archive.com/r-sig-mac@stat.math.ethz.ch/msg01673.html
for installing the R-2.5 quad binary. R-25-br-quad.tar.gz installs fine, but
despite having the X11 64 bit client installed in /usr/local/lib64/X11* *,
gives an error

> x11()
Error in x11() : X11 module cannot be loaded
In addition: Warning message:
unable to load shared library
'/Library/Frameworks/R.framework/Resources/modules/x86_64/R_X11.so':
  dlopen(/Library/Frameworks/R.framework/Resources/modules/x86_64/R_X11.so,
6): Library not loaded: /usr/local/X11R7/lib/libSM.6.dylib
  Referenced from:
/Library/Frameworks/R.framework/Resources/modules/x86_64/R_X11.so
  Reason: image not found

> sessionInfo()
R version 2.5.0 Patched (2007-05-02 r41420)
x86_64-apple-darwin8.9.1
locale:
C
attached base packages:
[1] "stats"     "graphics"  "grDevices" "utils"     "datasets"  "methods"
[7] "base"

I have tried creating a soft link from /usr/local/lib64/X11 to
/usr/local/X11R7, but this results in the error:

Error in x11() : X11 module cannot be loaded
In addition: Warning message:
unable to load shared library
'/Library/Frameworks/R.framework/Resources/modules/x86_64/R_X11.so':
  dlopen(/Library/Frameworks/R.framework/Resources/modules/x86_64/R_X11.so,
6): Library not loaded: /usr/local/X11R7/lib/libSM.6.dylib
  Referenced from:
/Library/Frameworks/R.framework/Resources/modules/x86_64/R_X11.so
  Reason: no suitable image found.  Did find:
        /usr/local/X11R7/lib/libSM.6.dylib: mach-o, but wrong architecture

Is there a binary available for X11R7?
Any other solutions as to how to get 64-bit R functioning properly with X11
on Tiger.

Thanks in advance,
C

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