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..., does it affect R's performance? I used PGI compiler to build R-devel on AMD Opteron, but the configuration file failed to link BLAS library despite the fact it is located in the usual location, /usr/lib64. PGI said they don't support complex.h. R configuration script printed out that doublecomplex is not supported. Are "supporting complex.h" and "linking BLAS library" related? any comments on this issue? note: I can ignore linking BLAS and proceed to compile R with PGI compiler successfully. Regards, Jennifer

...LAS.h> has been corrected to add the missing double-precision BLAS functions drotmg and drotm, and to exclude lsame (which is a Lapack auxiliary function and is now declared in <R_ext/Lapack.h>). It also includes the double complex routines added for this release of R provided Fortran doublecomplex is usable on the platform. o <R_ext/BLAS.h> and <R_ext/Lapack.h> now declare all the entry points as 'extern'. o The flag SAFE_FFLAGS is made available to packages via etc/Makeconf and R CMD config. It can be used where optimization needs to be defeated, e.g. in LAP...

...LAS.h> has been corrected to add the missing double-precision BLAS functions drotmg and drotm, and to exclude lsame (which is a Lapack auxiliary function and is now declared in <R_ext/Lapack.h>). It also includes the double complex routines added for this release of R provided Fortran doublecomplex is usable on the platform. o <R_ext/BLAS.h> and <R_ext/Lapack.h> now declare all the entry points as 'extern'. o The flag SAFE_FFLAGS is made available to packages via etc/Makeconf and R CMD config. It can be used where optimization needs to be defeated, e.g. in LAP...