From 03381d8ad0d4a1655fce70672a88582869ddb288 Mon Sep 17 00:00:00 2001
From: Martin Kroeker <martin@ruby.chemie.uni-freiburg.de>
Date: Fri, 22 Mar 2024 15:16:16 +0100
Subject: [PATCH] Update fc.cmake

---
 cmake/fc.cmake | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/cmake/fc.cmake b/cmake/fc.cmake
index bc85a2921..4d3da1a29 100644
--- a/cmake/fc.cmake
+++ b/cmake/fc.cmake
@@ -88,7 +88,9 @@ if (${F_COMPILER} STREQUAL "GFORTRAN" OR ${F_COMPILER} STREQUAL "F95" OR CMAKE_F
     endif ()
   else ()
     if (BINARY64)
+      if (NOT CMAKE_Fortran_COMPILER_ID MATCHES "LLVMFlang.*")
       set(FCOMMON_OPT "${FCOMMON_OPT} -m64")
+      endif ()
       if (INTERFACE64)
         if (CMAKE_Fortran_COMPILER_ID STREQUAL "Intel")
           if (WIN32)
@@ -101,7 +103,9 @@ if (${F_COMPILER} STREQUAL "GFORTRAN" OR ${F_COMPILER} STREQUAL "F95" OR CMAKE_F
         endif ()
       endif ()
     else ()
-      set(FCOMMON_OPT "${FCOMMON_OPT} -m32")
+        if (NOT CMAKE_Fortran_COMPILER_ID MATCHES "LLVMFlang.*")
+           set(FCOMMON_OPT "${FCOMMON_OPT} -m32")
+	endif ()
     endif ()
   endif ()