diff --git a/.gitignore b/.gitignore
index 84a4fc6..3db44ff 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,5 @@
 *.exe
+*.o
 kpack_c
 *.code-workspace
+*.bat
diff --git a/Makefile b/Makefile
index f87f5c1..b47bd12 100644
--- a/Makefile
+++ b/Makefile
@@ -1 +1,15 @@
-# TODO
\ No newline at end of file
+CFLAGS=-Wall -Wextra
+LZMA_CFLAGS=-Wall -Wextra -O3
+all: kpack_c
+kpack_c: kpack_c.o LZMAEncoder.o MatchFinder.o RangeCoder.o
+	gcc -o kpack_c kpack_c.o LZMAEncoder.o MatchFinder.o RangeCoder.o
+kpack_c.o: kpack_c.c
+	gcc -c $(CFLAGS) -o kpack_c.o kpack_c.c
+LZMAEncoder.o: lzma_c/LZMAEncoder.c lzma_c/LZMAEncoder.h lzma_c/MatchFinder.h lzma_c/lzma.h lzma_c/RangeCoder.h lzma_c/RangeCoderBit.h lzma_c/RangeCoderBitTree.h lzma_c/common.h
+	gcc -c $(LZMA_CFLAGS) -o LZMAEncoder.o lzma_c/LZMAEncoder.c
+MatchFinder.o: lzma_c/MatchFinder.c lzma_c/MatchFinder.h lzma_c/common.h
+	gcc -c $(LZMA_CFLAGS) -o MatchFinder.o lzma_c/MatchFinder.c
+RangeCoder.o: lzma_c/RangeCoder.c lzma_c/RangeCoder.h lzma_c/RangeCoderBit.h lzma_c/RangeCoderBitTree.h lzma_c/lzma.h lzma_c/common.h
+	gcc -c $(LZMA_CFLAGS) -o RangeCoder.o lzma_c/RangeCoder.c
+clean:
+	rm -f *.o *.exe kpack_c
diff --git a/kpack_c.c b/kpack_c.c
new file mode 100644
index 0000000..f3d33d5
--- /dev/null
+++ b/kpack_c.c
@@ -0,0 +1,6 @@
+#include <stdio.h>
+
+int main()
+{
+    printf("Abobaa!");
+}
\ No newline at end of file
diff --git a/lzma_c/common.h b/lzma_c/common.h
index 16c1c0b..4db706e 100644
--- a/lzma_c/common.h
+++ b/lzma_c/common.h
@@ -1,18 +1,25 @@
 #ifndef _COMMON_H
 #define _COMMON_H
 
-typedef unsigned char byte;
-typedef unsigned short word;
-// conditional compiling, mike.dld
-#ifdef WIN32
-typedef unsigned __int64 uint64;
-#else
-typedef unsigned long long uint64;
-#define __stdcall __attribute__((stdcall))
-#endif
-typedef byte bool;
-#define true 1
-#define false 0
+#include <stdint.h>
+#include <stdbool.h>
+
+// typedef unsigned char byte;
+// typedef unsigned short word;
+// // conditional compiling, mike.dld
+// #ifdef WIN32
+// typedef unsigned __int64 uint64;
+// #else
+// typedef unsigned long long uint64;
+// #define __stdcall __attribute__((stdcall))
+// #endif
+// typedef byte bool;
+// #define true 1
+// #define false 0
+
+typedef uint8_t byte;
+typedef uint16_t word;
+typedef uint64_t uint64;
 
 extern unsigned pack_length;
 extern unsigned pack_pos;