1 files changed, 3 insertions, 1 deletions

diff --git a/Makefile b/Makefile
index ec3f5bc..eb45159 100644
--- a/Makefile
+++ b/Makefile
@@ -4,7 +4,9 @@ MODULES := gall gall.util gall.ll \
 	   gall.repository gall.object gall.commit gall.tag gall.tree
 LUA_VER := 5.1
 
-INST_BASE := /usr/local
+PREFIX ?= /usr/local
+
+INST_BASE := $(PREFIX)
 INST_ROOT := $(DESTDIR)$(INST_BASE)/share/lua/$(LUA_VER)
 C_INST_ROOT := $(DESTDIR)$(INST_BASE)/lib/lua/$(LUA_VER)