From e009bb15163778727a06e11192edfc479ac83a28 Mon Sep 17 00:00:00 2001
From: Linus Dierheimer <Linus@Dierheimer.de>
Date: Mon, 11 Apr 2022 16:39:56 +0200
Subject: [PATCH] Try with include math.h for ubuntu build

---
 src/logo/sixel/sixel.h | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/src/logo/sixel/sixel.h b/src/logo/sixel/sixel.h
index 6266b5893..15029efd9 100644
--- a/src/logo/sixel/sixel.h
+++ b/src/logo/sixel/sixel.h
@@ -10,9 +10,7 @@ bool ffLogoPrintSixelIM7(FFinstance* instance);
 #endif
 
 #ifdef FF_HAVE_IMAGEMAGICK6
-#ifndef isnan
-    #define isnan(x) ((x) != (x))
-#endif
+#include <math.h>
 bool ffLogoPrintSixelIM6(FFinstance* instance);
 #endif