From 349a4bf0462470dbdd132d3ecccc841037118e41 Mon Sep 17 00:00:00 2001
From: Martin Kroeker <martin@ruby.chemie.uni-freiburg.de>
Date: Wed, 31 Jan 2024 19:23:59 +0100
Subject: [PATCH] Update f_check.cmake

---
 cmake/f_check.cmake | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/cmake/f_check.cmake b/cmake/f_check.cmake
index df3a4858d1..4c4f5ac044 100644
--- a/cmake/f_check.cmake
+++ b/cmake/f_check.cmake
@@ -64,6 +64,7 @@ else ()
     "#define NEEDBUNDERSCORE 1\n")
 endif()
 
+if (CMAKE_Fortran_COMPILER)
 get_filename_component(F_COMPILER ${CMAKE_Fortran_COMPILER} NAME_WE)
 string(TOUPPER ${F_COMPILER} F_COMPILER)
-
+endif()