Index: Makefile
--- Makefile.orig	2020-02-10 20:02:01.113429000 +0100
+++ Makefile	2020-02-10 20:05:36.688562000 +0100
@@ -33,11 +33,11 @@
   src/hll_sketch_pg_functions.o src/hll_sketch_c_adapter.o
 
 # assume a copy or link datasketches-cpp in the current dir
-CORE = datasketches-cpp
+CORE = sketches-core-cpp
 
-PG_CPPFLAGS = -fPIC -I/usr/local/include -I$(CORE)/kll/include -I$(CORE)/common/include -I$(CORE)/cpc/include -I$(CORE)/theta/include -I$(CORE)/fi/include -I$(CORE)/hll/include
+PG_CPPFLAGS = -fPIC -I$(CORE)/kll/include -I$(CORE)/common/include -I$(CORE)/cpc/include -I$(CORE)/theta/include -I$(CORE)/fi/include -I$(CORE)/hll/include
 PG_CXXFLAGS = -std=c++11
-SHLIB_LINK = -lstdc++ -L/usr/local/lib
+SHLIB_LINK = -lstdc++
 
 PG_CONFIG = pg_config
 PGXS := $(shell $(PG_CONFIG) --pgxs)