Build: Undef weird mingw macros for precompiled header support

src/core/file_sys/errors.h

@@ -17,6 +17,15 @@ enum {
 };
 }
 
+// When using mingw precompiled headers, it pulls in some dark corners of the stdlib that defines
+// these as macros
+#ifdef ERROR_PATH_NOT_FOUND
+#undef ERROR_PATH_NOT_FOUND
+#endif
+#ifdef ERROR_FILE_NOT_FOUND
+#undef ERROR_FILE_NOT_FOUND
+#endif
+
 constexpr ResultCode ERROR_PATH_NOT_FOUND(ErrorModule::FS, ErrCodes::NotFound);
 
 // TODO(bunnei): Replace these with correct errors for Switch OS

src/core/hle/service/time/time.cpp

@@ -13,6 +13,12 @@
 #include "core/hle/service/time/interface.h"
 #include "core/hle/service/time/time.h"
 
+// When using mingw precompiled headers, it pulls in some dark corners of the stdlib that defines
+// GetCurrentTime as a macro
+#ifdef GetCurrentTime
+#undef GetCurrentTime
+#endif
+
 namespace Service::Time {
 
 class ISystemClock final : public ServiceFramework<ISystemClock> {

src/core/loader/linker.cpp

@@ -12,6 +12,11 @@
 
 namespace Loader {
 
+// When using mingw precompiled headers, it pulls in some dark corners of the stdlib that defines
+// RELATIVE as a macro
+#ifdef RELATIVE
+#undef RELATIVE
+#endif
 enum class RelocationType : u32 { ABS64 = 257, GLOB_DAT = 1025, JUMP_SLOT = 1026, RELATIVE = 1027 };
 
 enum DynamicType : u32 {