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gtk: avoid redefining _WIN32_WINNT macro

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When building for Mingw64 target on Fedora 22 a warning
is issued about _WIN32_WINNT being redefined.

In file included from ui/gtk.c:40:0:
include/ui/gtk.h:5:0: warning: "_WIN32_WINNT" redefined
 # define _WIN32_WINNT 0x0601 /* needed to get definition of MAPVK_VK_TO_VSC */
  ^
In file included from /usr/i686-w64-mingw32/sys-root/mingw/include/crtdefs.h:10:0,
                 from /usr/i686-w64-mingw32/sys-root/mingw/include/stdio.h:9,
                 from /home/berrange/src/virt/qemu/include/qemu/fprintf-fn.h:12,
                 from /home/berrange/src/virt/qemu/include/qemu-common.h:18,
                 from ui/gtk.c:37:
/usr/i686-w64-mingw32/sys-root/mingw/include/_mingw.h:225:0: note: this is the location of the previous definition
 #define _WIN32_WINNT 0x502
 ^

Rather than try to get MAPVK_VK_TO_VSC defined indirectly
by defining _WIN32_WINNT, instead just define it explicitly
if missing.

Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
Signed-off-by: Stefan Weil <sw@weilnetz.de>
Acked-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Daniel P. Berrange 2015-09-08 11:34:35 +01:00 • committed by Stefan Weil
parent 7c9b2bf677
commit c8f3f17cf1
2 changed files with 9 additions and 4 deletions
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4
include/ui/gtk.h
View file

@ -1,10 +1,6 @@
#ifndef UI_GTK_H
#define UI_GTK_H
#ifdef _WIN32
# define _WIN32_WINNT 0x0601 /* needed to get definition of MAPVK_VK_TO_VSC */
#endif
#ifdef CONFIG_PRAGMA_DIAGNOSTIC_AVAILABLE
/* Work around an -Wstrict-prototypes warning in GTK headers */
#pragma GCC diagnostic push

9
ui/gtk.c
View file

@ -104,6 +104,15 @@
#define GDK_KEY_Pause GDK_Pause
#endif
/* Some older mingw versions lack this constant or have
* it conditionally defined */
#ifdef _WIN32
# ifndef MAPVK_VK_TO_VSC
# define MAPVK_VK_TO_VSC 0
# endif
#endif
#define HOTKEY_MODIFIERS (GDK_CONTROL_MASK | GDK_MOD1_MASK)
static const int modifier_keycode[] = {