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I have just installed 12.04 LTS on my laptop and I'm kinda new in this. I am required to write some program in Fortran 77 and I need a Fortran 77 compiler. I have tried installing g77 as described in the Ubuntu website but was unable to do so. I have typed in the following in terminal:
and get the following:
May I know what is the problem? I have tried searching g77 in the software center but apparently it is not there. Does this mean it is not available for 12.04?
I'm currently using an Asus K43S laptop with Intel Core i5-2450M processor and my Ubuntu is installed alongside Windows.
Melebius7,09555 gold badges2929 silver badges5252 bronze badges
user85009user85009
3 Answers
There is GNU Fortran 95 compiler in the repositories, which can be installed using
This is the GNU Fortran 95 compiler, which compiles Fortran 95 on platforms supported by the gcc compiler. It uses the gcc backend to generate optimized code.
If you specifically need the bleeding edge features of Fortran 77, there's
f2c
program which apparently can translate Fortran 77 into C. ![Download Download](/uploads/1/2/6/3/126384889/706682677.png)
f2c translates FORTRAN 77 (with some extensions) into C so that it can then be compiled and run on a system with no Fortran compiler. The C files must then be linked against the appropriate libraries.
This is an actively maintained FORTRAN to C translator and with the fort77 frontend provides an ideal way to compile FORTRAN routines as black boxes (for example for invocation from C). Source level debugging facilities are not available, and error messages are not as well developed as in g77.
I'm not sure about what happened to the
Yufenyuy Veyeh Diderg77
compiler - apparently, it was present in older versions of Ubuntu, but not anymore, at least not in the standard repositories.1,71055 gold badges1111 silver badges2525 bronze badges
Free Download Fortran 77 Compiler
SergeySergey37.6k1010 gold badges9292 silver badges103103 bronze badges
Type in your terminal;
- For the Fortran 95 Compiler:
- For the Fortran 77 Compiler:
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Siddharth SinghSiddharth Singh
You may also try
f77
, from Intel. There is a free license if you are a student, an educator of an open source contributor (there are also other profiles that fit Intel's requirements for free software license, usually you fit if you are not using it for commercial proposes).Just click on one of the user profiles above, register,download and install. I'm using
Intel Parallel Studio XE
, which also comes with support to MPI so you can run parallel tasks. When downloading it, you can chose the complete installer with a few GB or the partial installer which will let you choose what tools you want to install. As I just wanted Fortran, I downloaded the partial installer and installed using the following:After that just follow the instructions to finish the procedure. When done, you must load the environment so you can use the compiler. Just type
And after that, you will notice the commands
ifort
and f77
are available at terminal. Those are compilers to Fortran. You can find more information about it here:https://software.intel.com/en-us/intel-fortran-compiler-17.0-user-and-reference-guideRemember that you have to load the environment every time you start a new session on terminal.
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