[PATCH] Customizify org-babel-fortran-compiler

[Nico Sonack <nsonack@outlook.com>]

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Hey there,

I've been using org-mode for quite some time already and am pretty
happy!

Today I noticed a minor oddity, that occured when I tried to run some
Fortran code with org-babel: it failed with the compiler not being
found. Looking at the custom variables of the org-babel group, I was
unable to find a compiler option for Fortran. Thus, I quickly patched
the ob-fortran.el and turned the defvar of
`org-babel-fortran-compiler' into a defcustom such that it is a little
more consistent with the rest of the org-babel languages.

The patch is attached to this mail. Please let me know if I should
correct anything.

Nico

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Nico Sonack <nsonack@outlook.com>

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From bdfee720197d94465dfe40776a3f0a249b7ddcb5 Mon Sep 17 00:00:00 2001
From: Nico Sonack <nsonack@outlook.com>
Date: Mon, 28 Jun 2021 11:07:10 +0200
Subject: [PATCH] lisp/ob-fortran.el: Make org-babel-fortran-compiler a custom
 variable

* lisp/ob-fortran.el (org-babel-fortran-compiler): defvar -> defcustom
so that the fortran compiler is customizable like almost all org-babel
compilers.

TINYCHANGE
Sometimes the compiler isn't `gfortran` (but e.g. `gfortran10`
etc.). Accomodate for that like we do with all other org-babel
language integrations.
---
 lisp/ob-fortran.el | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/lisp/ob-fortran.el b/lisp/ob-fortran.el
index 99afa0d96..bb2e5d2a3 100644
--- a/lisp/ob-fortran.el
+++ b/lisp/ob-fortran.el
@@ -40,9 +40,11 @@
 
 (defvar org-babel-default-header-args:fortran '())
 
-(defvar org-babel-fortran-compiler "gfortran"
+(defcustom org-babel-fortran-compiler "gfortran"
   "fortran command used to compile a fortran source code file into an
-  executable.")
+  executable."
+  :group 'org-babel
+  :type  'string)
 
 (defun org-babel-execute:fortran (body params)
   "This function should only be called by `org-babel-execute:fortran'."
-- 
2.31.0