Better support for MinGW 4.x.

FossilOrigin-Name: 170e0585202eec6882e9513eba05e6d5767bfc5b

manifest

@@ -1,5 +1,5 @@
-C Always\sinclude\sthe\sctype.h\sheader\sin\sthe\sspellfix.c\sextension.
-D 2014-03-05T19:36:52.892
+C Better\ssupport\sfor\sMinGW\s4.x.
+D 2014-03-06T00:28:57.468
 F Makefile.arm-wince-mingw32ce-gcc d6df77f1f48d690bd73162294bbba7f59507c72f
 F Makefile.in 2ef13430cd359f7b361bb863504e227b25cc7f81
 F Makefile.linux-gcc 91d710bdc4998cb015f39edf3cb314ec4f4d7e23
@@ -221,7 +221,7 @@ F src/shell.c 7bf07bcacb181ecc3fc3ccacfdfeb4084aee67ed
 F src/sqlite.h.in a2ef671f92747a5a1c8a47bad5c585a8dd9eca80
 F src/sqlite3.rc 11094cc6a157a028b301a9f06b3d03089ea37c3e
 F src/sqlite3ext.h 886f5a34de171002ad46fae8c36a7d8051c190fc
-F src/sqliteInt.h 7497e95a42f3ec87bf524f1b7231836ac69ed5b0
+F src/sqliteInt.h fa7161b3de18a9c355d4148233f3563c92311fcc
 F src/sqliteLimit.h 164b0e6749d31e0daa1a4589a169d31c0dec7b3d
 F src/status.c 7ac05a5c7017d0b9f0b4bcd701228b784f987158
 F src/table.c 2cd62736f845d82200acfa1287e33feb3c15d62e
@@ -1155,7 +1155,7 @@ F tool/vdbe_profile.tcl 67746953071a9f8f2f668b73fe899074e2c6d8c1
 F tool/warnings-clang.sh f6aa929dc20ef1f856af04a730772f59283631d4
 F tool/warnings.sh d1a6de74685f360ab718efda6265994b99bbea01
 F tool/win/sqlite.vsix 030f3eeaf2cb811a3692ab9c14d021a75ce41fff
-P e406d4bb786a34cdd5dd23ed39f35dfce3e1cabd
-R dbf6df7a91f37410ffccbad9151ed0f2
-U drh
-Z 435f844ac1ec54f913d9ebdd6e1ebde0
+P bfd75f471a607b442d8cd8a7070491a158e8fb1a 057c16ee9786efcad6372a29b02d743ff3d628ff
+R b889d993282d9fdfec953c32c532c8a0
+U mistachkin
+Z 62fcd2f0166a563cdb61df2df73d8704

manifest.uuid

@@ -1 +1 @@
-bfd75f471a607b442d8cd8a7070491a158e8fb1a
+170e0585202eec6882e9513eba05e6d5767bfc5b

src/sqliteInt.h

@@ -47,8 +47,41 @@
 # 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(__MINGW_MAJOR_VERSION) && __MINGW_MAJOR_VERSION >= 4 && \
+    defined(__MSVCRT__)
+# define _USE_32BIT_TIME_T
+#endif
+
 /* The public SQLite interface.  The _FILE_OFFSET_BITS macro must appear
-** first in QNX.
+** first in QNX.  Also, the _USE_32BIT_TIME_T macro must appear first for
+** MinGW.
 */
 #include "sqlite3.h"