--- src/Makevars.in.orig	2022-10-19 14:25:41.000000000 +0700
+++ src/Makevars.in	2023-03-25 01:24:47.000000000 +0700
@@ -2,4 +2,4 @@
 
 CXX_STD = CXX17
 PKG_CXXFLAGS = -DCGAL_HEADER_ONLY=1 @PKG_CXXFLAGS@
-PKG_LIBS = @PKG_LIBS@
+PKG_LIBS = @PKG_LIBS@ -latomic