CMake (Windows): introduces a flag to remove Win7 compat mode

src/common/impl/processing_windows.c

@@ -152,7 +152,7 @@ const char* ffProcessReadOutput(FFProcessHandle* handle, FFstrbuf* buffer)
             switch (GetLastError())
             {
             case ERROR_IO_PENDING:
-                #if __aarch64__
+                #if !FF_WIN7_COMPAT
                 if (!GetOverlappedResultEx(hChildPipeRead, &overlapped, &nRead, timeout < 0 ? INFINITE : (DWORD) timeout, FALSE))
                 #else
                 // To support Windows 7
@@ -172,7 +172,7 @@ const char* ffProcessReadOutput(FFProcessHandle* handle, FFstrbuf* buffer)
                     CancelIo(hChildPipeRead);
                     TerminateProcess(hProcess, 1);
                     return "GetOverlappedResult"
-                        #if __aarch64__
+                        #if !FF_WIN7_COMPAT
                         "Ex"
                         #endif
                         "(hChildPipeRead) failed";

src/detection/cpuusage/cpuusage_windows.c

@@ -155,7 +155,7 @@ static const char* getInfoByPerflib(FFlist* cpuTimes)
 
 const char* ffGetCpuUsageInfo(FFlist* cpuTimes)
 {
-    #if __aarch64__
+    #if !FF_WIN7_COMPAT
     static uint8_t winver = 10; // Assume Windows 10 or later for WoA
     #else
     static uint8_t winver = 0;

src/detection/gpu/gpu_windows.c

@@ -330,7 +330,7 @@ const char* ffDetectGPUImpl(FF_MAYBE_UNUSED const FFGPUOptions* options, FFlist*
         if (gpu->type == FF_GPU_TYPE_UNKNOWN && adapterLuid > 0)
         {
             FF_DEBUG("Trying to determine GPU type using D3DKMT APIs");
-            #if __aarch64__
+            #if !FF_WIN7_COMPAT
             D3DKMT_OPENADAPTERFROMLUID openAdapterFromLuid = { .AdapterLuid = *(LUID*)&adapterLuid };
             if (NT_SUCCESS(D3DKMTOpenAdapterFromLuid(&openAdapterFromLuid)))
             #else
@@ -438,7 +438,7 @@ const char* ffDetectGPUImpl(FF_MAYBE_UNUSED const FFGPUOptions* options, FFlist*
                             FF_DEBUG("Failed to get GPU temperature or temperature is 0");
                         }
                     }
-            #if !__aarch64__
+            #if FF_WIN7_COMPAT
                 }
                 else
                 {

src/detection/uptime/uptime_windows.c

@@ -7,7 +7,7 @@
 
 const char* ffDetectUptime(FFUptimeResult* result)
 {
-    #ifndef __aarch64__
+    #if FF_WIN7_COMPAT
     HMODULE hKernelBase = GetModuleHandleW(L"KernelBase.dll");
     if (__builtin_expect(!!hKernelBase, true))
     {