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Work around MinGW versions with non-C99 compliant headers

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Apparently some MinGW distributions have a compiler that's recent enough to
support C++11 but limits.h header that incorrectly omits LLONG limits in
strict ANSI mode, since it guards the definitions with:

	#if !defined(__STRICT_ANSI__) && defined(__GNUC__)

We can just define these symbols ourselves in this specific case.

Fixes #66.
This commit is contained in:
Arseny Kapoulkine
2015-11-13 09:03:25 -08:00
parent 94c08f27c6
commit 2cf599b310
1 changed files with 7 additions and 0 deletions
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7
src/pugixml.cpp
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@@ -109,6 +109,13 @@ using std::memmove;
using std::memset;
#endif
// Some MinGW versions have headers that erroneously omit LLONG_MIN/LLONG_MAX/ULLONG_MAX definitions in strict ANSI mode
#if defined(PUGIXML_HAS_LONG_LONG) && defined(__MINGW32__) && defined(__STRICT_ANSI__) && !defined(LLONG_MAX) && !defined(LLONG_MIN) && !defined(ULLONG_MAX)
# define LLONG_MAX 9223372036854775807LL
# define LLONG_MIN (-LLONG_MAX-1)
# define ULLONG_MAX (2ULL*LLONG_MAX+1)
#endif
// In some environments MSVC is a compiler but the CRT lacks certain MSVC-specific features
#if defined(_MSC_VER) && !defined(__S3E__)
# define PUGI__MSVC_CRT_VERSION _MSC_VER