[Bug fortran/18428] No preprocessing option -cpp for gfortran

[c dot lemmen at fz-juelich dot de]

------- Additional Comments From c dot lemmen at fz-juelich dot de  2005-08-12 13:22 -------
Subject: Re:  No preprocessing option -cpp for gfortran

pinskia at gcc dot gnu dot org wrote:
> ------- Additional Comments From pinskia at gcc dot gnu dot org  2005-08-12 12:32 -------
> (In reply to comment #3)
> 
>>Now, testcase.f90 will be preprocessed.  This should be reflected in the
>>documentation (rather than having to dig around the 400 page gcc manual) 
> 
> 
> Why, specs files are not for the light hearted.  Really they are designed for GCC developers can quickly 
> test some spec changed without recompiling the whole compiler.
> 

1) I agree in principle, a user should not have to revert to using spec
files.
2) However, a user *should* be able to tell the compiler that he/she
wishes files with a certain extension to be preprocessed.

Lots of other compilers (free and non-free) give the user this choice,
below just four examples
 * pgf90 -Mpreprocess
 * nagf90 -fpp
 * g95 -cpp
 * xlf90 -qsuffix=cpp=f90

The -x option in gfortran is not really a good replacement as described
in my comment #2.

CL


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=18428