From 26ccf643a38ef501981b3dc629a78f3ed4bdd39f Mon Sep 17 00:00:00 2001
From: Martin Kroeker <martin@ruby.chemie.uni-freiburg.de>
Date: Sun, 16 May 2021 13:04:38 +0200
Subject: [PATCH] Add -lm for FreeBSD on ARM/ARM64

---
 Makefile.system | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/Makefile.system b/Makefile.system
index ae703e4d9..bffe684d7 100644
--- a/Makefile.system
+++ b/Makefile.system
@@ -380,6 +380,12 @@ ifeq ($(OSNAME), AIX)
 EXTRALIB	+= -lm
 endif
 
+ifeq ($(OSNAME), FreeBSD)
+ifeq ($(ARCH), $(filter ($ARCH),arm arm64))
+EXTRALIB	+= -lm
+endif
+endif
+
 ifeq ($(OSNAME), WINNT)
 NEED_PIC = 0
 NO_EXPRECISION = 1