[R] Assessing compiled code in base packages

I am updating a package that works previously under R.2.15.x on a Windows OS. When I build and run the package with R.3.0.2. I receive an error message like the following: C_call_dqags not available for .External() for package stats How can compiled C (or Fortran) routines from package stats

[R] Problem building dll in R-2-15-1

I am using R-2-15-1 with latest version of RTools under Windows 7 on a 64bit machine. When trying to build a dll from a simple test program matm.f I get the following error: R CMD SHLIB matm.f gfortran -O3 -mtune=core2 -c matm.f -o matm.o f951.exe: out of memory allocating 312 bytes