2 files changed, 123 insertions, 22 deletions
diff --git a/newlib/libc/include/machine/_types.h b/newlib/libc/include/machine/_types.h
new file mode 100644
index 000000000..ab76561be
--- /dev/null
+++ b/newlib/libc/include/machine/_types.h
@@ -0,0 +1,121 @@
+/*
+ *  $Id$
+ */
+
+#ifndef _MACHINE__TYPES_H
+#define _MACHINE__TYPES_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/*
+ * Guess on types by examining *_MIN/*_MAX defines.
+ */
+#if defined(__GNUC__) && (__GNUC__ >= 3 ) \
+  && defined(__GNUC_MINOR__) && (__GNUC_MINOR__ > 2 ) 
+/* GCC >= 3.3.0 has __<val>__ implicitly defined. */
+#define __EXP(x) __##x##__
+#else
+/* Fall back to POSIX versions from <limits.h> */
+#define __EXP(x) x
+#include <limits.h>
+#endif
+
+#if __EXP(SCHAR_MAX) == 0x7f
+typedef signed char __int8_t ;
+typedef unsigned char __uint8_t ;
+#define ___int8_t_defined 1
+#endif
+
+#if __EXP(INT_MAX) == 0x7fff
+typedef signed int __int16_t;
+typedef unsigned int __uint16_t;
+#define ___int16_t_defined 1
+#elif __EXP(SHRT_MAX) == 0x7fff
+typedef signed short __int16_t;
+typedef unsigned short __uint16_t;
+#define ___int16_t_defined 1
+#elif __EXP(SCHAR_MAX) == 0x7fff
+typedef signed char __int16_t;
+typedef unsigned char __uint16_t;
+#define ___int16_t_defined 1
+#endif
+
+#if ___int16_t_defined
+typedef __int16_t __int_least16_t;
+typedef __uint16_t __uint_least16_t;
+#define ___int_least16_t_defined 1
+
+#if !___int8_t_defined
+typedef __int16_t __int_least8_t;
+typedef __uint16_t __uint_least8_t;
+#define ___int_least8_t_defined 1
+#endif
+#endif
+
+#if __EXP(INT_MAX) == 0x7fffffffL
+typedef signed int __int32_t;
+typedef unsigned int __uint32_t;
+#define ___int32_t_defined 1
+#elif __EXP(LONG_MAX) == 0x7fffffffL
+typedef signed long __int32_t;
+typedef unsigned long __uint32_t;
+#define ___int32_t_defined 1
+#elif __EXP(SHRT_MAX) == 0x7fffffffL
+typedef signed short __int32_t;
+typedef unsigned short __uint32_t;
+#define ___int32_t_defined 1
+#elif __EXP(SCHAR_MAX) == 0x7fffffffL
+typedef signed char __int32_t;
+typedef unsigned char __uint32_t;
+#define ___int32_t_defined 1
+#endif
+
+#if ___int32_t_defined
+typedef __int32_t __int_least32_t;
+typedef __uint32_t __uint_least32_t;
+#define ___int_least32_t_defined 1
+
+#if !___int8_t_defined
+typedef __int32_t __int_least8_t;
+typedef __uint32_t __uint_least8_t;
+#define ___int_least8_t_defined 1
+#endif
+#if !___int16_t_defined
+typedef __int32_t __int_least16_t;
+typedef __uint32_t __uint_least16_t;
+#define ___int_least16_t_defined 1
+#endif
+#endif
+
+#if __EXP(LONG_MAX) > 0x7fffffff
+typedef signed long __int64_t;
+typedef unsigned long __uint64_t;
+#define ___int64_t_defined 1
+
+/* GCC has __LONG_LONG_MAX__ */
+#elif  defined(__LONG_LONG_MAX__) && (__LONG_LONG_MAX__ > 0x7fffffff)
+typedef signed long long __int64_t;
+typedef unsigned long long __uint64_t;
+#define ___int64_t_defined 1
+
+/* POSIX mandates LLONG_MAX in <limits.h> */
+#elif  defined(LLONG_MAX) && (LLONG_MAX > 0x7fffffff)
+typedef signed long long __int64_t;
+typedef unsigned long long __uint64_t;
+#define ___int64_t_defined 1
+
+#elif  __EXP(INT_MAX) > 0x7fffffff
+typedef signed int __int64_t;
+typedef unsigned int __uint64_t;
+#define ___int64_t_defined 1
+#endif
+
+#undef __EXP
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _MACHINE__TYPES_H */
diff --git a/newlib/libc/include/sys/types.h b/newlib/libc/include/sys/types.h
index 944149589..5c288bfc0 100644
--- a/newlib/libc/include/sys/types.h
+++ b/newlib/libc/include/sys/types.h
@@ -22,35 +22,15 @@
 #ifndef __INTTYPES_DEFINED__
 #define __INTTYPES_DEFINED__
 
-#if !defined (__rtems__)
-typedef short int __int16_t;
-typedef unsigned short int __uint16_t;
-
-#if __INT_MAX__ == 32767
-typedef long int __int32_t;
-typedef unsigned long int __uint32_t;
-#else
-typedef int __int32_t;
-typedef unsigned int __uint32_t;
-#endif
-
-#if __LONG_MAX__ > 2147483647 || !defined(__GNUC__)
-typedef long int __int64_t;
-typedef unsigned long int __uint64_t;
-#else
-__extension__ typedef long long __int64_t;
-__extension__ typedef unsigned long long __uint64_t;
-#endif
-#else /* __rtems__ */
+#include <machine/_types.h>
 
+#if defined(__rtems__)
 /*
  *  The following section is RTEMS specific and is needed to more
  *  closely match the types defined in the BSD sys/types.h.
  *  This is needed to let the RTEMS/BSD TCP/IP stack compile.
  */
 
-#include <machine/_types.h>
-
 /* deprecated */
 #if ___int8_t_defined
 typedef __uint8_t	u_int8_t;