Do not require __STDC_LIMIT_MACROS and others

Summary: Do not require __STDC_LIMIT_MACROS and __STDC_CONSTANT_MACROS macros to be defined globally. They are not needed for C++11 compliant standard headers.

Reviewers: joerg, jyknight

Subscribers: llvm-commits

Differential Revision: http://reviews.llvm.org/D21553

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@273493 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Pawel Bylica 2016-06-22 21:15:51 +00:00
parent d8b7c9f4db
commit 9b666b1681

View File

@ -55,17 +55,14 @@
#ifndef _MSC_VER
/* Note that this header's correct operation depends on __STDC_LIMIT_MACROS
being defined. We would define it here, but in order to prevent Bad Things
happening when system headers or C++ STL headers include stdint.h before we
define it here, we define it on the g++ command line (in Makefile.rules). */
#if !defined(__STDC_LIMIT_MACROS)
# error "Must #define __STDC_LIMIT_MACROS before #including Support/DataTypes.h"
#if !defined(UINT32_MAX)
# error "The standard header <cstdint> is not C++11 compliant. Must #define "\
"__STDC_LIMIT_MACROS before #including Support/DataTypes.h"
#endif
#if !defined(__STDC_CONSTANT_MACROS)
# error "Must #define __STDC_CONSTANT_MACROS before " \
"#including Support/DataTypes.h"
#if !defined(UINT32_C)
# error "The standard header <cstdint> is not C++11 compliant. Must #define "\
"__STDC_CONSTANT_MACROS before #including Support/DataTypes.h"
#endif
/* Note that <inttypes.h> includes <stdint.h>, if this is a C99 system. */