Add makefile and include osal and types

Makefile

+SRC=$(wildcard *.c)
+OBJ=$(patsubst %.c,%.o,$(SRC))
+
+all: libpthread.a
+
+libpthread.a: $(OBJ)
+	$(AR) -rcs $@ $(OBJ)
+
+%.o: %.c
+	$(CC) $(CFLAGS) -I . -c $< -o $@

pte_osal.h

+#ifndef _OS_SUPPORT_H_
+#define _OS_SUPPORT_H_
+
+#ifdef __cplusplus
+extern "C" {
+#endif // __cplusplus
+
+#include <sys/types.h>
+
+// XXX
+typedef unsigned long pte_osThreadHandle;
+typedef unsigned long pte_osSemaphoreHandle;
+typedef int32_t* pte_osMutexHandle;
+
+#include <pte_generic_osal.h>
+
+#ifdef __cplusplus
+}
+#endif // __cplusplus
+
+#endif // _OS_SUPPORT_H

pte_types.h

+#ifndef PTE_TYPES_H
+#define PTE_TYPES_H
+
+#include <errno.h>
+#include <sys/types.h>
+#include <sys/timeb.h>
+
+#endif /* PTE_TYPES_H */