Re: G95: just say no to second underscore

• To: Mark Hadfield <m.hadfield@xxxxxxxxxx>
• Subject: Re: G95: just say no to second underscore
• From: Ed Hartnett <ed@xxxxxxxxxxxxxxxx>
• Date: Tue, 30 Jan 2007 13:41:50 -0700

Mark Hadfield <m.hadfield@xxxxxxxxxx> writes:

> A clarification: Gfortran, aka Gnu Fortran 95, does *not* use the
> second underscore by default:
>
>     
> http://gcc.gnu.org/onlinedocs/gcc-4.1.1/gfortran/Code-Gen-Options.html#Code-Gen-Options
>
> Since Gfortran has replaced G77 as the standard Fortran compiler in
> the GCC suite, your statement that "GNU compilers, [...], use the
> f2cFortran flag." is not correct.
>
> As you are aware, the netCDF build system handles Gfortran correctly,
> i.e., it uses -DpgiFortran and generates symbols with a single
> underscore. The resulting library is not compatible with g77. I expect
> this will generate its own set of support questions.
>

Of course you are correct. I have updated the manual as you suggest.

Thanks!

Ed

-- 
Ed Hartnett  -- ed@xxxxxxxxxxxxxxxx

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• References:
  • Re: G95: just say no to second underscore
    • From: Ed Hartnett
  • Re: G95: just say no to second underscore
    • From: Mark Hadfield
  • Re: G95: just say no to second underscore
    • From: Ed Hartnett
  • Re: G95: just say no to second underscore
    • From: Mark Hadfield