Fix undefined symbol issues in some systems

Burak Yucesoy · Burak Yucesoy · commit a5d1c4faa26d · 2018-11-14T09:22:30.000+03:00
diff --git a/Makefile b/Makefile
@@ -28,6 +28,8 @@ PG_CONFIG ?= pg_config
 PGXS = $(shell $(PG_CONFIG) --pgxs)
 include $(PGXS)
 
+SHLIB_LINK	+= -lstdc++
+
 src/hll.o: override CFLAGS += -std=c99
 
 $(EXTENSION)--2.10.sql: $(EXTENSION).sql
