The original post below refers to an issue that arose with glmnet. It
has since been fixed but the underlying problem (I believe) is a bug in
gcc/gfortran 2.6.3 toolchain. Here is a reproducible example, test.f90.
program dblbug
real :: x, y
x=2
y=exp(dble(x))
end program dblbug
Compile with gfortran -fdefault-real-8 -o test test.f90.
The program will crash on Windows but not on i386 or x86_64 linux (same
version of toolchain) but I think that says nothing.
Note: The glmnet code was originally written for single precision and
hence the flag -fdefault-real-8. The fix was to just to remove the "dble."
-Naras
On 5/4/12 6:58 PM, Simon Urbanek wrote:
On May 4, 2012, at 8:48 PM, Spencer Graves wrote:
Hello:
Under my Windows 7 system, "R CMD check DiercxkSpline_1.1-5.tar.gz" fails
because:
f951.exe: sorry, unimplemented: 64-bit mode not compiled in
This typically means that you're using the wrong (old) compiler. The new MinGW
compilers support both -m32 and -m64. You have to set the PATH to the new
compilers (in the gcc-4.6.3 subdirectory of Rtools) *before* any old compilers
in Rtools.
Cheers,
Simon
make: *** [bispev.o] Error 1
gfortran -m64 -O2 -mtune=core2 -c bispev.f -o bispev.o
f951.exe: sorry, unimplemented: 64-bit mode not compiled in
make: *** [bispev.o] Error 1
ERROR: compilation failed for package 'DierckxSpline'
A similar problem was reported for package "glmnet"
(http://stackoverflow.com/questions/10291189/compiling-glmnet-failed-in-windows) plus one with R
2.14.2
(http://r.789695.n4.nabble.com/Problems-when-building-a-package-for-Windows-64-td4464488.html).
However, I get this with R 2.15.0 and the latest R tools (reinstalled earlier today). On R-Forge,
DierckxSpline has "Build status: Current", which suggests that R-Forge does NOT have
this problem. I read through the two replies to these two earlier questions without seeing how to
fix my problem.
Thanks in advance for any suggestions.
Spencer Graves
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