diff --git a/Makefile b/Makefile
index c429cab..e02ec89 100644
--- a/Makefile
+++ b/Makefile
@@ -33,7 +33,7 @@ TARSOURCES = Makefile *.c  *.h \
 	pg_store_plans.control \
 	docs/* expected/*.out sql/*.sql \
 
-ifneq ($(shell uname), SunOS)
+ifeq ($(filter solaris% darwin%,$(host_os)),)
 LDFLAGS+=-Wl,--build-id
 endif