From 71388a91d74948143e964d8e9c0d4a8e66e00484 Mon Sep 17 00:00:00 2001
From: Cristian C Lalescu <Cristian.Lalescu@mpcdf.mpg.de>
Date: Thu, 27 Feb 2025 08:50:20 +0100
Subject: [PATCH] gets rid of cmake FFTW warning

---
 cmake/set_up_FFTW.cmake | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/cmake/set_up_FFTW.cmake b/cmake/set_up_FFTW.cmake
index 29e494e9..d6d33c0a 100644
--- a/cmake/set_up_FFTW.cmake
+++ b/cmake/set_up_FFTW.cmake
@@ -50,5 +50,8 @@ else()
       PkgConfig::FFTW3F)
   endfunction()
 
-  return(PROPAGATE FFTW3_INCLUDE_DIRS)
+  get_directory_property(hasParent PARENT_DIRECTORY)
+  if (hasParent)
+    return(PROPAGATE FFTW3_INCLUDE_DIRS)
+  endif()
 endif()
-- 
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