--- makefile.orig	2014-05-28 06:22:37.000000000 +0400
+++ makefile	2014-05-28 14:38:28.000000000 +0400
@@ -42,15 +42,16 @@
 endif
 
 # defaults
-CC = gcc
+CC ?= gcc
 OPTIONS=-g -Wall $(ENC_OPTS)
-LDLIBS=-lc -lm $(CRYPT_LIB)
-CFLAGS=
+LDLIBS+=-lm $(CRYPT_LIB)
+CFLAGS?=
 MTFLAGS=
 
 # FreeBSD
 ifeq ("FreeBSD", "$(UNAME_S)")
-OPTIONS=-g -Wall -DHAS_GETIFADDRS -DNO_DUAL -DSOCKADDR_LEN $(ENC_OPTS)
+OPTIONS=-Wall -DHAS_GETIFADDRS -DNO_DUAL -DSOCKADDR_LEN $(ENC_OPTS)
+OPENSSL=/usr
 endif
 
 # OSX, aka Darwin