MSVC 2010 (or more precisely, Windows SDK 7.0 which comes with MSVC 2010) sets _WIN32_WINNT to the constant for Windows 7 if nothing is set. This could lead to the libav configure script detecting and using functions only present in Windows 7 or newer, which in most cases isn't desired. If the caller explicitly wants this, the caller can add the _WIN32_WINNT define via --extra-cflags, setting the desired version. Signed-off-by: Martin Storsjö <martin@martin.st>
Libav README ------------ 1) Documentation ---------------- * Read the documentation in the doc/ directory. 2) Licensing ------------ * See the LICENSE file.
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