Index: Makefile
--- Makefile.orig	2019-02-17 17:24:40.000000000 +0100
+++ Makefile	2019-02-17 17:25:26.611755000 +0100
@@ -12,9 +12,9 @@
 
 DATA = sql/datasketches_cpc_sketch.sql sql/datasketches_kll_float_sketch.sql
 
-CXX = g++-8
-PG_CPPFLAGS = -I/usr/local/include -I$(CORE)/kll/include -I$(CORE)/common/include -I$(CORE)/cpc/include
-SHLIB_LINK = -lstdc++ -L/usr/local/lib
+CXX = g++
+PG_CPPFLAGS = -I$(CORE)/kll/include -I$(CORE)/common/include -I$(CORE)/cpc/include
+SHLIB_LINK = -lstdc++
 
 PG_CONFIG = pg_config
 PGXS := $(shell $(PG_CONFIG) --pgxs)