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Better support for MinGW 4.x.

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FossilOrigin-Name: e147230767383ed9f64085b613fd18508f74be21
This commit is contained in:
mistachkin
2014-02-14 23:35:49 +00:00
parent f78da0e6af
commit a7b3b63524
3 changed files with 43 additions and 8 deletions
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32
src/sqliteInt.h
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@@ -48,6 +48,38 @@
# define _LARGEFILE_SOURCE 1
#endif
/*
** For MinGW, check to see if we can include the header file containing its
** version information, among other things. Normally, this internal MinGW
** header file would [only] be included automatically by other MinGW header
** files; however, the contained version information is now required by this
** header file to work around binary compatibility issues (see below) and
** this is the only known way to reliably obtain it. This entire #if block
** would be completely unnecessary if there was any other way of detecting
** MinGW via their preprocessor (e.g. if they customized their GCC to define
** some MinGW-specific macros). When compiling for MinGW, either the
** _HAVE_MINGW_H or _HAVE__MINGW_H (note the extra underscore) macro must be
** defined; otherwise, detection of conditions specific to MinGW will be
** disabled.
*/
#if defined(_HAVE_MINGW_H)
# include "mingw.h"
#elif defined(_HAVE__MINGW_H)
# include "_mingw.h"
#endif
/*
** For MinGW version 4.x (and higher), check to see if the _USE_32BIT_TIME_T
** define is required to maintain binary compatibility with the MSVC runtime
** library in use (e.g. for Windows XP).
*/
#if !defined(_USE_32BIT_TIME_T) && !defined(_USE_64BIT_TIME_T) && \
defined(_WIN32) && !defined(_WIN64) && \
defined(__MINGW32_MAJOR_VERSION) && __MINGW32_MAJOR_VERSION >= 4 && \
defined(__MSVCRT__)
# define _USE_32BIT_TIME_T
#endif
/*
** Include the configuration header output by 'configure' if we're using the
** autoconf-based build