f77

[m77it]

Output of brew config

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Output of brew doctor

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Description of issue

Dear all,
I'm installing old software on Apple Silicon Sequoia, and I get this message

$ naccess installation program
$ created naccess - cshell script
$ compiling accall.f
f77: Command not found.
$ done

I installed gcc but the problem is not solved.

Do you know how I can solve it?
Thanks
Marco