From 56e15d880369af911ca8100a227bbe35191540b2 Mon Sep 17 00:00:00 2001
From: Sebastian Ehlert <28669218+awvwgk@users.noreply.github.com>
Date: Sat, 5 Dec 2020 13:14:07 +0100
Subject: [PATCH] Improve check for F18 error stop

- ifort 21.1 BETA 20200827 compiles F18 error stop syntax but
  does not propagate the error code correctly
---
 CMakeLists.txt | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 6143b5ab5..989b40c6c 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -35,7 +35,7 @@ endif()
 # --- compiler feature checks
 include(CheckFortranSourceCompiles)
 include(CheckFortranSourceRuns)
-check_fortran_source_compiles("error stop i; end" f18errorstop SRC_EXT f90)
+check_fortran_source_runs("i=0; error stop i; end" f18errorstop SRC_EXT f90)
 check_fortran_source_compiles("real, allocatable :: array(:, :, :, :, :, :, :, :, :, :); end" f03rank SRC_EXT f90)
 check_fortran_source_runs("use, intrinsic :: iso_fortran_env, only : real128; real(real128) :: x; x = x+1; end" f03real128)