all: git-credential-wincred.exe
-CC = gcc
-RM = rm -f
-CFLAGS = -O2 -Wall
-
-include ../../../config.mak.autogen
-include ../../../config.mak
+CC ?= gcc
+RM ?= rm -f
+CFLAGS ?= -O2 -Wall
+
prefix ?= /usr/local
libexecdir ?= $(prefix)/libexec/git-core