diff -rauN libatomic_ops-7.6.4/tests/Makefile.am libatomic_ops-7.6.4-libatomic-patch/tests/Makefile.am
--- libatomic_ops-7.6.4/tests/Makefile.am	2018-03-27 09:06:11.000000000 +0000
+++ libatomic_ops-7.6.4-libatomic-patch/tests/Makefile.am	2018-07-18 19:39:32.145989353 +0000
@@ -11,6 +11,7 @@
         -I$(top_builddir)/tests -I$(top_srcdir)/tests
 
 CFLAGS += $(CFLAGS_EXTRA)
+LDFLAGS += -latomic
 
 TESTS = test_atomic$(EXEEXT) test_atomic_generalized$(EXEEXT) \
         test_stack$(EXEEXT) test_malloc$(EXEEXT)