From a9e297e4764faa53b146de1b0c3ed82e2632e42c Mon Sep 17 00:00:00 2001
From: Martin Kroeker <martin@ruby.chemie.uni-freiburg.de>
Date: Sun, 9 Jan 2022 23:31:59 +0100
Subject: [PATCH] Fix handling of ifdef/ifndef

---
 cmake/utils.cmake | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/cmake/utils.cmake b/cmake/utils.cmake
index c5ee65384..56c1cb060 100644
--- a/cmake/utils.cmake
+++ b/cmake/utils.cmake
@@ -125,7 +125,7 @@ macro(ParseMakefileVars MAKEFILE_IN)
     if (NOT "${line_match}" STREQUAL "")
       #message(STATUS "${CMAKE_MATCH_1} first: ${CMAKE_MATCH_2}")
       set (ElseSeen 0)
-      if (DEFINED ${CMAKE_MATCH_2})
+      if (${CMAKE_MATCH_2})
         if (${CMAKE_MATCH_1} STREQUAL "ifdef")
           #message (STATUS "condition is true")
           set (IfElse 1)