[Qemu-devel] [PATCH 2/2] vss-win32: Fix build with mingw64-headers-3.1.0

[Tomoki Sekiyama <tomoki.sekiyama@hds.com>]

In mingw64-headers-3.1.0, definition of _com_issue_error() is added, which
conflicts with definition in install.cpp. This adds version checking for
mingw headers to disable the definition when the headers>=3.1 is used.

Signed-off-by: Tomoki Sekiyama <tomoki.sekiyama@hds.com>
---
 qga/vss-win32/install.cpp |    3 +++
 1 file changed, 3 insertions(+)

diff --git a/qga/vss-win32/install.cpp b/qga/vss-win32/install.cpp
index b791a6c..b0e4426 100644
--- a/qga/vss-win32/install.cpp
+++ b/qga/vss-win32/install.cpp
@@ -75,10 +75,13 @@ static void errmsg_dialog(DWORD err, const char *text, const char *opt = "")
 
 #define chk(status) _chk(hr, status, "Failed to " #status, out)
 
+#if !defined(__MINGW64_VERSION_MAJOR) || !defined(__MINGW64_VERSION_MINOR) || \
+    __MINGW64_VERSION_MAJOR * 100 + __MINGW64_VERSION_MINOR < 301
 void __stdcall _com_issue_error(HRESULT hr)
 {
     errmsg(hr, "Unexpected error in COM");
 }
+#endif
 
 template<class T>
 HRESULT put_Value(ICatalogObject *pObj, LPCWSTR name, T val)