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gcc/libstdc++-v3/config/os/mingw32
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Jonathan Wakely 0bc199fc5d libstdc++: Override BUFSIZ for Windows targets [PR 94268] 
This replaces uses of BUFSIZ with a new _GLIBCXX_BUFSIZ macro that can
be overridden in target-specific config headers.

That allows the mingw and mingw-w64 targets to override it, because
BUFSIZ is apparently defined to 512, resulting in poor performance. The
MSVCRT stdio apparently uses 4096, so we use that too.

libstdc++-v3/ChangeLog:

	PR libstdc++/94268
	* config/os/mingw32-w64/os_defines.h (_GLIBCXX_BUFSIZ):
	Define.
	* config/os/mingw32/os_defines.h (_GLIBCXX_BUFSIZ):
	Define.
	* include/bits/fstream.tcc: Use _GLIBCXX_BUFSIZ instead
	of BUFSIZ.
	* include/ext/stdio_filebuf.h: Likewise.
	* include/std/fstream (_GLIBCXX_BUFSIZ): Define.
2020-10-28 13:19:21 +00:00
..
ctype_base.h Update copyright years. 2020-01-01 12:51:42 +01:00
ctype_configure_char.cc Update copyright years. 2020-01-01 12:51:42 +01:00
ctype_inline.h Update copyright years. 2020-01-01 12:51:42 +01:00
error_constants.h Update copyright years. 2020-01-01 12:51:42 +01:00
os_defines.h libstdc++: Override BUFSIZ for Windows targets [PR 94268] 2020-10-28 13:19:21 +00:00