-fbacktrace

Tobias Burnus burnus@net-b.de
Tue May 15 11:24:00 GMT 2007


Hi,

Philippe Schaffnit wrote:
> My freshly compiled gfortran (under Linux) seems not accept any more
> "-fbacktrace":
>
> cc1: error: unrecognized command line option "-fbacktrace"
>   
Why is this cc1? This should be somethink like:
   f951: error: unrecognized command line option "-fabcdefg"
or more precisely, it should not.

Note, if you run:
   gfortran foo.c
you invoke the C compiler and not the Fortran compiler. Thus there might
be some file-extension problems? Or you pass the option to the C
compiler and to the Fortran compiler?

> gfortran --version
> GNU Fortran (GCC) 4.3.0 20070314 (experimental)
>   
Works here with 4.3.0 20070515 on x86_64-unknown-linux-gnu.

Tobias



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