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-rw-r--r--win/tclWinPort.h8
1 files changed, 4 insertions, 4 deletions
diff --git a/win/tclWinPort.h b/win/tclWinPort.h
index ea6d8f8..b2bf1d7 100644
--- a/win/tclWinPort.h
+++ b/win/tclWinPort.h
@@ -346,17 +346,17 @@ typedef DWORD_PTR * PDWORD_PTR;
* EDEADLK as the same value, which confuses Tcl_ErrnoId().
*/
-#if defined(_MSC_VER) || defined(__MINGW32__)
+#if defined(_MSC_VER) || defined(__MSVCRT__)
# define environ _environ
# if defined(_MSC_VER) && (_MSC_VER < 1600)
# define hypot _hypot
# endif
# define exception _exception
# undef EDEADLOCK
-# if defined(__MINGW32__) && !defined(__MSVCRT__)
+# if defined(_MSC_VER) && (_MSC_VER >= 1700)
# define timezone _timezone
# endif
-#endif /* _MSC_VER || __MINGW32__ */
+#endif /* _MSC_VER || __MSVCRT__ */
/*
* Borland's timezone and environ functions.
@@ -425,7 +425,7 @@ typedef DWORD_PTR * PDWORD_PTR;
* Msvcrt's putenv() copies the string rather than takes ownership of it.
*/
-#if defined(_MSC_VER) || defined(__MINGW32__)
+#if defined(_MSC_VER) || defined(__MSVCRT__)
# define HAVE_PUTENV_THAT_COPIES 1
#endif