add install target to Makefile and corresponding prefix variable to config.mk

1 files changed, 3 insertions, 0 deletions

diff --git a/config.mk b/config.mk
index a101f23..3958049 100644
--- a/config.mk
+++ b/config.mk
@@ -1,3 +1,6 @@
+# paths
+PREFIX = /usr/local
+
 # Default compile flags (overridable by environment)
 CFLAGS ?= -g -Wall -Wextra -Werror -Wno-unused-parameter -Wno-sign-compare -Wno-error=unused-function