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authorMark Hammond <mhammond@skippinet.com.au>2007-07-27 04:52:32 (GMT)
committerMark Hammond <mhammond@skippinet.com.au>2007-07-27 04:52:32 (GMT)
commitd0aabc03c6ed37358dd6bbc726e72ce4fdc72405 (patch)
treedb2d196939fc4c5606cb765af66c0a7208dc76a5 /PC
parent00f2029cd57ded3be287041b527c84cd8442afd5 (diff)
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In consultation with Kristjan Jonsson, only define WINVER and _WINNT_WIN32
if (a) we are building Python itself and (b) no one previously defined them
Diffstat (limited to 'PC')
-rw-r--r--PC/pyconfig.h22
1 files changed, 18 insertions, 4 deletions
diff --git a/PC/pyconfig.h b/PC/pyconfig.h
index cc3c3dd..302b9af 100644
--- a/PC/pyconfig.h
+++ b/PC/pyconfig.h
@@ -151,12 +151,26 @@ MS_CORE_DLL.
/* set the version macros for the windows headers */
#ifdef MS_WINX64
/* 64 bit only runs on XP or greater */
-#define _WIN32_WINNT 0x0501
-#define WINVER 0x0501
+#define Py_WINVER 0x0501
#else
/* NT 4.0 or greater required otherwise */
-#define _WIN32_WINNT 0x0400
-#define WINVER 0x0400
+#define Py_WINVER 0x0400
+#endif
+
+/* We only set these values when building Python - we don't want to force
+ these values on extensions, as that will affect the prototypes and
+ structures exposed in the Windows headers. Even when building Python, we
+ allow a single source file to override this - they may need access to
+ structures etc so it can optionally use new Windows features if it
+ determines at runtime they are available.
+*/
+#ifdef Py_BUILD_CORE
+#ifndef WINVER
+#define WINVER Py_WINVER
+#endif
+#ifndef _WINNT_WIN32
+#define _WINNT_WIN32 Py_WINVER
+#endif
#endif
/* _W64 is not defined for VC6 or eVC4 */