diff --git a/Makefile b/Makefile
index 5fccaf2..2acd8a6 100644
--- a/Makefile
+++ b/Makefile
@@ -1,6 +1,25 @@
+PLATFORM=$(shell uname | sed -e 's/_.*//' | tr '[:upper:]' '[:lower:]' | sed -e 's/\//_/g')
+
+ifeq ($(PLATFORM),linux)
 CFLAGS = -W -Wunused -Wall -I. -Ofast
 LDFLAGS = -Wl,--export-dynamic -ldl -rdynamic
 CC = gcc
+endif
+ifeq ($(PLATFORM),darwin)
+CFLAGS = -W -Wunused -Wall -I. -Ofast
+LDFLAGS = -rdynamic
+CC = clang
+endif
+ifeq ($(PLATFORM),freebsd)
+CFLAGS = -W -Wunused -Wall -I. -Ofast
+LDFLAGS = -Wl,--export-dynamic -ldl -rdynamic
+CC = clang
+endif
+ifeq ($(PLATFORM),openbsd)
+CFLAGS = -W -Wunused -Wall -I. -Ofast
+LDFLAGS = -Wl,--export-dynamic -rdynamic
+CC = clang
+endif
 INCLUDES =
 
 ENGINE_OBJS =\