diff -ruN a/src/Makefile b/src/Makefile
--- a/src/Makefile	2021-09-10 10:44:43.000000000 +0200
+++ b/src/Makefile	2023-09-02 18:54:57.552762072 +0200
@@ -41,6 +41,7 @@
 		plugins/$*.o						\
 		-shared							\
 		$(CFLAGS)						\
+		-lm								\
 		-fvisibility=hidden					\
 		-fvisibility-inlines-hidden				\
 		-s							\
@@ -52,6 +53,7 @@
 		plugins/$*.o						\
 		-shared							\
 		$(CXXFLAGS)						\
+		-lm								\
 		-fvisibility=hidden					\
 		-fvisibility-inlines-hidden				\
 		-s							\