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Try to work well on multiple platforms.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3704 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2002-09-13 21:51:25 +00:00
parent ab060db476
commit 9ada838909
1 changed files with 12 additions and 4 deletions
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16
include/Support/DataTypes.h
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@ -7,6 +7,7 @@
// LITTLE_ENDIAN: is #define'd if the host is little endian
// int64_t : is a typedef for the signed 64 bit system type
// uint64_t : is a typedef for the unsigned 64 bit system type
// INT64_MAX : is a #define specifying the max value for int64_t's
//
// No library is required when using these functinons.
//
@ -15,22 +16,29 @@
// TODO: This file sucks. Not only does it not work, but this stuff should be
// autoconfiscated anyways. Major FIXME
#ifndef LLVM_SUPPORT_DATATYPES_H
#define LLVM_SUPPORT_DATATYPES_H
#define __STDC_LIMIT_MACROS 1
#include <inttypes.h>
#ifdef __linux__
#define __STDC_LIMIT_MACROS 1
#include <stdint.h> // Defined by ISO C 99
#include <endian.h>
#endif
#else
#ifdef __sparc__
#include <sys/types.h>
#ifdef _LITTLE_ENDIAN
#define LITTLE_ENDIAN 1
#else
#define BIG_ENDIAN 1
#endif
#endif
#ifndef LITTLE_ENDIAN
#if !defined(BIG_ENDIAN) || !defined(INT64_MAX)
#error "include/Support/DataTypes.h could not determine endianness!"
#endif
#endif
#endif /* LLVM_SUPPORT_DATATYPES_H */