diff -rU1 toppler.orig/src/decl.cc toppler/src/decl.cc
--- toppler.orig/src/decl.cc	2024-05-22 14:48:10.274030769 +0200
+++ toppler/src/decl.cc	2024-05-22 14:51:58.627373253 +0200
@@ -23,2 +23,3 @@
 
+#include <algorithm>
 #include <cstdlib>
diff -rU1 toppler.orig/src/level.cc toppler/src/level.cc
--- toppler.orig/src/level.cc	2024-05-22 14:48:10.274030769 +0200
+++ toppler/src/level.cc	2024-05-22 14:53:17.674043103 +0200
@@ -18,2 +18,4 @@
 
+#include <algorithm>
+
 #ifndef CREATOR