--- src/Makevars.orig	2020-06-28 23:46:07 UTC
+++ src/Makevars
@@ -1,6 +1,6 @@
 
 PKG_CFLAGS = $(SHLIB_OPENMP_CFLAGS)
-PKG_LIBS = $(SHLIB_OPENMP_CFLAGS) -lz
+PKG_LIBS = $(SHLIB_OPENMP_CFLAGS) -lz -latomic
 
 all: $(SHLIB)
 	mv $(SHLIB) datatable$(SHLIB_EXT)
