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Sun Studio 12 - Compiling for 64-bit sparc using 'cc -xarch=v9'

807578Nov 11 2008 — edited Nov 12 2008
Hello,

I am using Sun Studio 12 on a Sun Blade running 64-bit Solaris 10 u3 for sparc. Properties are set for the "Solaris sparc" platform in my projects. I am compiling HDF5 software (http://www.hdfgroup.org/HDF5/release/obtain5.html), and I noticed this in the INSTALL notes:

Similarly, users compiling on a Solaris machine and desiring to
build the distribution with 64-bit support should specify the
correct flags with the CC variable:

$ CC='cc -xarch=v9' ./configure

Does the fact that the platform architecture is set to sparc in the project properties make it unnecessary to specify -xarch=v9 for the CC environment variable, or should I always use $CC='cc -xarch=v9' when compiling on my sparc?

Thank you in advance...

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Locked on Dec 10 2008
Added on Nov 11 2008
#developer-studio, #developer-studio-c-c-fortran-compilers
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