Intel 64 Linux Cluster Programming, Software, and Libraries FAQ

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• Where can I find a list of Software Applications available on NCSA HPC systems?
• Where can I find out about HDF on NCSA HPC systems?
• I have put all needed libraries with the -L -l flags in the command line when linking my code, why do I still get "unresolved reference" errors for some subroutines from those libraries?
• When I compile my Fortran code, I got the error message: /usr/local/intel/10.0.025/lib/libifcore.a(for_init.o)(.text+0x378): In function `for__signal_handler':: relocation truncated to fit: R_X86_64_PC32 for__l_excpt_info. What does that mean?

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Where can I find a list of Software Applications available on NCSA HPC systems?

The current listing of software applications by area of science can be found on the Software on NCSA HPC Systems page. You can also browse NCSA's software repository directly.

Where can I find out about HDF on NCSA HPC systems?

HDF/HDF5 is available on NCSA HPC systems via the TeraGrid Coordinated TeraGrid Software and Services (CTSS). Use SoftEnv for information on accessing the software. Information on support is available at the HDF Support Issues page.

I have put all needed libraries with the -L -l flags in the command line when linking my code, why do I still get "unresolved reference" errors for some subroutines from those libraries?

We have observed that with static libraries (.a), it may be due to where in the link command the -L -l flags are placed, and in the case of multiple libraries, the order of the libraries. Please put the L -l flags at the end of the link command, and if you are linking to multiple libraries, put the most dependent library first and so on, then try again.

When I compile my Fortran code, I got error message: /usr/local/intel/10.0.025/lib/libifcore.a(for_init.o)(.text+0x378): In function `for__signal_handler':: relocation truncated to fit: R_X86_64_PC32 for__l_excpt_info. What does that mean?

That may be because the static allocated data or common blocks are over 2GB. Use the -shared-intel compiler option can solve the probelm.