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For VC++, define the ?INT*_C macros only it they are not yet defined. 

Some compatibility updates like the Boost TR1 compatibility headers
define them.

Patch contributed by OvermindDL1!

llvm-svn: 90828
This commit is contained in:
Oscar Fuentes 2009-12-08 02:40:09 +00:00
parent 60043f5ce6
commit 15c4bc673a
1 changed files with 27 additions and 8 deletions
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19
llvm/include/llvm/System/DataTypes.h.cmake
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@ -118,14 +118,33 @@ typedef signed int ssize_t;
#define INT32_MAX 2147483647
#define INT32_MIN -2147483648
#define UINT32_MAX 4294967295U
/* Certain compatibility updates to VC++ introduce the `cstdint'
* header, which defines the INT*_C macros. On default installs they
* are absent. */
#ifndef INT8_C
# define INT8_C(C) C
#endif
#ifndef UINT8_C
# define UINT8_C(C) C
#endif
#ifndef INT16_C
# define INT16_C(C) C
#endif
#ifndef UINT16_C
# define UINT16_C(C) C
#endif
#ifndef INT32_C
# define INT32_C(C) C
#endif
#ifndef UINT32_C
# define UINT32_C(C) C ## U
#endif
#ifndef INT64_C
# define INT64_C(C) ((int64_t) C ## LL)
#endif
#ifndef UINT64_C
# define UINT64_C(C) ((uint64_t) C ## ULL)
#endif
#endif /* _MSC_VER */
/* Set defaults for constants which we cannot find. */