From 2662bec55fedb2dc1c69542c2f5642f9d6d909dc Mon Sep 17 00:00:00 2001
From: Martin Diehl <mail@martin-diehl.net>
Date: Sat, 17 Dec 2022 16:13:35 +0100
Subject: [PATCH] only valid/needed for GNU

---
 src/CMakeLists.txt | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index d0a95fa23..c1466ebdd 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -18,7 +18,7 @@ endif()
 foreach(solver-source ${solver-sources})
     file(READ ${solver-source} content)
     string(FIND "${content}" "CHKERR" found)
-    if(NOT ${found} EQUAL -1)
+    if((NOT ${found} EQUAL -1) AND (CMAKE_Fortran_COMPILER_ID STREQUAL "GNU"))
         set_source_files_properties(${solver-source} PROPERTIES COMPILE_FLAGS "-ffree-line-length-none")
     endif()
 endforeach()