win32/build.py: add -DWINVER=0x0600 -D_WIN32_WINNT=0x0600

configure.ac sets this, but this wasn't used for compiling third-party libraries. This setting however is important for libnfs, which adds fallback definitions for POLLIN and POLLOUT with bogus values.

win32/build.py: add -DWINVER=0x0600 -D_WIN32_WINNT=0x0600
666e4565 · Max Kellermann · 31794ac3 · 666e4565
Commit 666e4565 authored Feb 24, 2018 by Max Kellermann
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build.py win32/build.py +2 -1

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--- a/win32/build.py
+++ b/win32/build.py
@@ -58,7 +58,8 @@ class CrossGccToolchain:
        self.cflags = common_flags
        self.cxxflags = common_flags
-        self.cppflags = '-isystem ' + os.path.join(install_prefix, 'include')
+        self.cppflags = '-isystem ' + os.path.join(install_prefix, 'include') + \
+                        ' -DWINVER=0x0600 -D_WIN32_WINNT=0x0600'
        self.ldflags = '-L' + os.path.join(install_prefix, 'lib')
        self.libs = ''