RE: I need help on how to use the Cygwin fortran compiler. Thank s, Dr. McNeill

RE: I need help on how to use the Cygwin fortran compiler. Thank s, Dr. McNeill

[Robinow, David]

 Do you have a Cygwin icon on your desktop?
    If not, go to http://sources.redhat.com/cygwin and "Install Cygwin now"
       You should install, at least, Base, Devel, and Shells packages.

 Click on the Cygwin icon.  This should bring up a bash shell.
 
 Are you familiar with unix?  If not, you should find a tutorial somewhere.
    Although Cygwin is a great way for Windows users
    to access free software, it's really aimed at
    somewhat experienced unix/linux users who need to
    run on Windows.

 In your bash shell
    g77 -c fmain.f          will compile the fortran file fmain.f,
                            putting the object file in fmain.o
    g77 fmain.f -o fmain     will compile fmain.f and putting an
                             executable in fmain.exe
    g77 -c fsubr1.f
    g77 -c fsubr2.f
    g77 -c fsubr3.f
    g77 -c fcaller.f
    g77 fcaller.o fsubr1.o fsubr2.o fsubr3.o -o fprogram
                           will compile and link multiple source files.
    g77 -help gives more information.

-----Original Message-----
From: Dr. James H. McNeill [mailto:jmcneill@chem.siu.edu]
Sent: Tuesday, January 08, 2002 10:41 AM
To: cygwin@cygwin.com
Subject: I need help on how to use the Cygwin fortran compiler. Thanks,
Dr. McNeill


Dear Cygwin:

Recently I purchased a HP Pavilion 750n PC, which has Windows XP, to 
perform numerical calculations at home relative to my theoretical research 
in physical chemistry.  I thought about purchasing a FORTRAN compiler but a 
friend of mine suggested that instead I download Cygwin and use the 
available FORTRAN compiler in this package of free-ware.  Well I did that 
last night, and from reading his E-mail instructions I was to download the 
g77 FORTRAN compiler.  However, it did not work on my new PC at home.  Yet, 
I only could access the g77 FORTRAN compiler in DOS via Command statement 
on RUN.  If there is instead a FORTRAN compiler already with the Cygwin and 
I was not suppose to use g77 please let me know ,and please inform me on 
how to access this Cygwin FORTRAN compiler if it exists.  I tried searching 
for any FORTRAN compiler that came with Cygwin but I could not find any 
statement on how to utilize it on the web site.  Your assistance will be 
greatly appreciated.


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Re: I need help on how to use the Cygwin fortran compiler. Thank s, Dr. McNeill

[Tim Prince]

Robinow, David wrote:

 > Do you have a Cygwin icon on your desktop?
 >    If not, go to http://sources.redhat.com/cygwin and "Install Cygwin 
now"
 >       You should install, at least, Base, Devel, and Shells packages.
 >
 > Click on the Cygwin icon.  This should bring up a bash shell.
 >
 > Are you familiar with unix?  If not, you should find a tutorial 
somewhere.
 >    Although Cygwin is a great way for Windows users
 >    to access free software, it's really aimed at
 >    somewhat experienced unix/linux users who need to
 >    run on Windows.
 >
 > In your bash shell
 >    g77 -c fmain.f          will compile the fortran file fmain.f,
 >                            putting the object file in fmain.o
 >    g77 fmain.f -o fmain     will compile fmain.f and putting an
 >                             executable in fmain.exe
 >    g77 -c fsubr1.f
 >    g77 -c fsubr2.f
 >    g77 -c fsubr3.f
 >    g77 -c fcaller.f
 >    g77 fcaller.o fsubr1.o fsubr2.o fsubr3.o -o fprogram
 >                           will compile and link multiple source files.
 >    g77 -help gives more information.
 >
If you should wish to use -pg, or the P4-specific code generation of
gcc-3.1, those procedures are not well documented, but David's advice
should give you a good start.  Use also 'info g77' and consider that
much relevant information in 'info gcc' is not duplicated under 'info g77.'

 >




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RE: I need help on how to use the Cygwin fortran compiler. Thank s, Dr. McNeill

[Peter Ring]

It's not quite clear what you are expecting.

There's a Fortran77 compiler frontend included in the Cygwin gcc
distribution. You have found the command. 

The following suggestions assume that you have started a bash shell. If you
have installed Cygwin using the SETUP program, you should have a Cygwin icon
on your desktop. Click this icon to open a bash shell.

For documentation:

  man g77

or

  info g77

The g77.info may not be properly installed. If the last commands just
complains that g77 is not found:

  cd /usr/info
  install-info g77.info dir

There's no IDE (integrated development environment) included with Cygwin
(except the debugger, gdb). I believe some exist, but can't recommend any.
There's a GCC IDE at http://www.bloodshed.net/download.html, but I'm not
sure it is any good for Fortran.

You can also compile Fortran programs from within emacs.

Kind regards
Peter Ring

-----Original Message-----
From: Dr. James H. McNeill [mailto:jmcneill@chem.siu.edu]
Sent: Tuesday, January 08, 2002 4:41 PM
To: cygwin@cygwin.com
Subject: I need help on how to use the Cygwin fortran compiler. Thanks,
Dr. McNeill


Dear Cygwin:

Recently I purchased a HP Pavilion 750n PC, which has Windows XP, to 
perform numerical calculations at home relative to my theoretical research 
in physical chemistry.  I thought about purchasing a FORTRAN compiler but a 
friend of mine suggested that instead I download Cygwin and use the 
available FORTRAN compiler in this package of free-ware.  Well I did that 
last night, and from reading his E-mail instructions I was to download the 
g77 FORTRAN compiler.  However, it did not work on my new PC at home.  Yet, 
I only could access the g77 FORTRAN compiler in DOS via Command statement 
on RUN.  If there is instead a FORTRAN compiler already with the Cygwin and 
I was not suppose to use g77 please let me know ,and please inform me on 
how to access this Cygwin FORTRAN compiler if it exists.  I tried searching 
for any FORTRAN compiler that came with Cygwin but I could not find any 
statement on how to utilize it on the web site.  Your assistance will be 
greatly appreciated.

Sincerely yours,

Dr. James H. McNeill

Chemistry Department
Southern Illinois University
Carbondale, Illinois  62901

Work E-mail:  jmcneill@chem.siu.edu

Home E-mail:  JHMcNeill2@aol.com


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