--- lz4-r131.orig/lib/Makefile	2015-06-29 11:48:37.000000000 +0200
+++ lz4-r131/lib/Makefile	2016-09-24 02:53:43.222879939 +0200
@@ -38,7 +38,7 @@ LIBVER_PATCH=`sed -n '/define LZ4_VERSIO
 LIBVER=$(LIBVER_MAJOR).$(LIBVER_MINOR).$(LIBVER_PATCH)
 
 DESTDIR?=
-PREFIX ?= /usr/local
+PREFIX ?= /usr
 CFLAGS ?= -O3
 CFLAGS += -I. -std=c99 -Wall -Wextra -Wundef -Wshadow -Wcast-align -Wcast-qual -Wstrict-prototypes -pedantic -DXXH_NAMESPACE=LZ4_