Fix a number of cross compilation issues using mingw

CMakeLists.txt

@@ -441,6 +441,10 @@ if(FASTLOG)
   add_definitions(-DDEBUGFAST)
 endif()
 
+if (MINGW)
+  add_definitions(-D_WIN32_WINNT=0x0A00 -DWINVER=0x0A00)
+endif()
+
 if(ENABLE_VTUNE)
   set(VTUNE_DIR "/opt/intel/vtune_amplifier")
   add_definitions(-DUSE_VTUNE)
@@ -769,8 +773,11 @@ else()
   message(STATUS "libsystemd not found, disabling traversal server watchdog support")
 endif()
 
-if (WIN32)
+if (MSVC)
   include_directories(Externals/WIL/include)
+endif()
+
+if (WIN32)
   include_directories(Externals/OpenAL/include)
 endif()
 

Externals/libiconv-1.14/lib/loop_wchar.h

@@ -37,7 +37,7 @@
 # include <wchar.h>
 # define BUF_SIZE 64  /* assume MB_LEN_MAX <= 64 */
   /* Some systems, like BeOS, have multibyte encodings but lack mbstate_t.  */
-  extern size_t mbrtowc ();
+  extern size_t mbrtowc(wchar_t *restrict, const char *restrict, size_t, mbstate_t *restrict);
 # ifdef mbstate_t
 #  define mbrtowc(pwc, s, n, ps) (mbrtowc)(pwc, s, n, 0)
 #  define mbsinit(ps) 1

Externals/liblzma/CMakeLists.txt

@@ -51,6 +51,10 @@ endif()
 add_definitions(-DHAVE_CONFIG_H)
 add_definitions(-DLZMA_API_STATIC)
 
+if(NOT MINGW)
+    add_definitions(-DHAVE_WCWIDTH=1)
+endif()
+
 #============================================================================
 # lzma
 #============================================================================

Externals/liblzma/config.h

@@ -286,7 +286,7 @@
 #define HAVE_VISIBILITY 1
 
 /* Define to 1 if you have the `wcwidth' function. */
-#define HAVE_WCWIDTH 1
+//#define HAVE_WCWIDTH 1
 
 /* Define to 1 if the system has the type `_Bool'. */
 #define HAVE__BOOL 1

Externals/libusb/CMakeLists.txt

@@ -9,7 +9,7 @@ add_library(usb STATIC EXCLUDE_FROM_ALL
 dolphin_disable_warnings(usb)
 
 set_target_properties(usb PROPERTIES VERSION 1.0.26)
-if(WIN32)
+if(MSVC)
     target_include_directories(usb BEFORE PUBLIC libusb/libusb PRIVATE libusb/msvc)
 else()
 target_include_directories(usb

Externals/watcher/CMakeLists.txt

@@ -2,3 +2,7 @@ add_library(watcher INTERFACE IMPORTED GLOBAL)
 set_target_properties(watcher PROPERTIES
 	INTERFACE_INCLUDE_DIRECTORIES ${CMAKE_CURRENT_LIST_DIR}/watcher/include
 )
+
+if (MINGW)
+    target_compile_options(watcher INTERFACE -fexceptions)
+endif()

Source/Core/AudioCommon/AudioCommon.cpp

@@ -13,7 +13,9 @@
 #include "AudioCommon/OpenALStream.h"
 #include "AudioCommon/OpenSLESStream.h"
 #include "AudioCommon/PulseAudioStream.h"
+#ifdef _MSC_VER
 #include "AudioCommon/WASAPIStream.h"
+#endif
 #include "Common/FileUtil.h"
 #include "Common/Logging/Log.h"
 #include "Common/TimeUtil.h"
@@ -40,8 +42,10 @@ static std::unique_ptr<SoundStream> CreateSoundStreamForBackend(std::string_view
     return std::make_unique<PulseAudio>();
   else if (backend == BACKEND_OPENSLES && OpenSLESStream::IsValid())
     return std::make_unique<OpenSLESStream>();
+#ifdef _MSC_VER
   else if (backend == BACKEND_WASAPI && WASAPIStream::IsValid())
     return std::make_unique<WASAPIStream>();
+#endif
   return {};
 }
 
@@ -129,9 +133,10 @@ std::vector<std::string> GetSoundBackends()
     backends.emplace_back(BACKEND_OPENAL);
   if (OpenSLESStream::IsValid())
     backends.emplace_back(BACKEND_OPENSLES);
+#ifdef _MSC_VER
   if (WASAPIStream::IsValid())
     backends.emplace_back(BACKEND_WASAPI);
-
+#endif
   return backends;
 }
 

Source/Core/AudioCommon/CMakeLists.txt

@@ -77,7 +77,11 @@ if(WIN32)
     # Dolphin loads openal32.dll at runtime
     OpenALStream.cpp
     OpenALStream.h
+  )
+endif()
 
+if(MSVC)
+  target_sources(audiocommon PRIVATE
     WASAPIStream.cpp
     WASAPIStream.h
   )

Source/Core/AudioCommon/CubebStream.cpp

@@ -13,7 +13,7 @@
 #include "Core/Config/MainSettings.h"
 
 #ifdef _WIN32
-#include <Objbase.h>
+#include <objbase.h>
 #endif
 
 // ~10 ms - needs to be at least 240 for surround

Source/Core/AudioCommon/CubebUtils.cpp

@@ -14,7 +14,7 @@
 #include <cubeb/cubeb.h>
 
 #ifdef _WIN32
-#include <Objbase.h>
+#include <objbase.h>
 #endif
 
 static void LogCallback(const char* format, ...)

Source/Core/AudioCommon/WASAPIStream.h

@@ -6,7 +6,7 @@
 #ifdef _WIN32
 
 // clang-format off
-#include <Windows.h>
+#include <windows.h>
 #include <mmreg.h>
 #include <objbase.h>
 #include <wil/resource.h>

Source/Core/Common/Arm64Emitter.cpp

@@ -21,7 +21,7 @@
 #include "Common/SmallVector.h"
 
 #ifdef _WIN32
-#include <Windows.h>
+#include <windows.h>
 #endif
 #ifdef __APPLE__
 #include <libkern/OSCacheControl.h>

Source/Core/Common/ArmCPUDetect.cpp

@@ -12,7 +12,7 @@
 #ifdef __APPLE__
 #include <sys/sysctl.h>
 #elif defined(_WIN32)
-#include <Windows.h>
+#include <windows.h>
 #include <arm64intr.h>
 #include "Common/WindowsRegistry.h"
 #elif defined(__linux__)

Source/Core/Common/CommonFuncs.cpp

@@ -10,7 +10,7 @@
 
 #ifdef _WIN32
 #include <windows.h>
-#include <SetupAPI.h>
+#include <setupapi.h>
 
 #define strerror_r(err, buf, len) strerror_s(buf, len, err)
 

Source/Core/Common/CommonFuncs.h

@@ -5,6 +5,9 @@
 
 #include <optional>
 #include <string>
+#ifdef __MINGW32__
+#include <sys/stat.h>
+#endif
 
 #include "Common/CommonTypes.h"
 
@@ -27,8 +30,12 @@
 #define fseeko _fseeki64
 #define ftello _ftelli64
 #define atoll _atoi64
+#ifndef stat
 #define stat _stat64
+#endif
+#ifndef fstat
 #define fstat _fstat64
+#endif
 #define fileno _fileno
 
 extern "C" {

Source/Core/Common/CommonTypes.h

@@ -12,6 +12,10 @@
 
 #ifdef _WIN32
 #include <tchar.h>
+#if defined(__MINGW32__)
+#include <windows.h>
+#include <string>
+#endif
 #else
 // For using Windows lock code
 #define TCHAR char
@@ -34,3 +38,37 @@ using DT = Clock::duration;
 using DT_us = std::chrono::duration<double, std::micro>;
 using DT_ms = std::chrono::duration<double, std::milli>;
 using DT_s = std::chrono::duration<double, std::ratio<1>>;
+#if defined(__MINGW32__)
+namespace winrt
+{
+  struct hresult
+  {
+    HRESULT value;
+    constexpr hresult(HRESULT v = 0) noexcept : value(v) {}
+    constexpr operator HRESULT() const noexcept { return value; }
+  };
+
+  struct hresult_error
+  {
+    HRESULT m_hr;
+    explicit hresult_error(HRESULT hr) : m_hr(hr) {}
+    HRESULT code() const noexcept { return m_hr; }
+
+    std::string message() const noexcept
+    {
+      return "HRESULT 0x" + std::to_string(static_cast<unsigned long>(m_hr));
+    }
+  };
+
+  inline void check_hresult(HRESULT hr) noexcept
+  {
+    if (FAILED(hr))
+      std::abort();
+  }
+
+  inline std::string to_string(const std::string& s)
+  {
+    return s;
+  }
+} // namespace winrt
+#endif

Source/Core/Common/CompatPatches.cpp

@@ -1,7 +1,7 @@
 // Copyright 2008 Dolphin Emulator Project
 // SPDX-License-Identifier: GPL-2.0-or-later
 
-#include <Windows.h>
+#include <windows.h>
 #include <functional>
 #include <optional>
 #include <string>

Source/Core/Common/DynamicLibrary.cpp

@@ -10,7 +10,7 @@
 #include "Common/Assert.h"
 
 #ifdef _WIN32
-#include <Windows.h>
+#include <windows.h>
 #else
 #include <dlfcn.h>
 #endif

Source/Core/Common/FileSearch.cpp

@@ -14,7 +14,7 @@
 #include "Common/StringUtil.h"
 
 #ifdef _MSC_VER
-#include <Windows.h>
+#include <windows.h>
 #else
 #ifdef ANDROID
 #include "jni/AndroidCommon/AndroidCommon.h"

Source/Core/Common/FileUtil.cpp

@@ -33,13 +33,16 @@
 #include "Common/StringUtil.h"
 
 #ifdef _WIN32
-#include <Windows.h>
-#include <Shlwapi.h>
+#include <windows.h>
+#include <shlwapi.h>
 #include <commdlg.h>  // for GetSaveFileName
 #include <direct.h>   // getcwd
 #include <io.h>
 #include <objbase.h>  // guid stuff
 #include <shellapi.h>
+#ifdef __MINGW32__
+#include <share.h>
+#endif
 #else
 #include <dirent.h>
 #include <errno.h>

Source/Core/Common/HRWrap.h

@@ -6,8 +6,9 @@
 #include <fmt/format.h>
 #include <string>
 #include <winerror.h>
+#ifdef _MSC_VER
 #include <winrt/base.h>
-
+#endif
 #include "Common/CommonTypes.h"
 
 namespace Common

Source/Core/Common/IOFile.cpp

@@ -12,6 +12,9 @@
 
 #include "Common/CommonFuncs.h"
 #include "Common/StringUtil.h"
+#ifdef __MINGW32__
+#include <share.h>
+#endif
 #else
 #include <unistd.h>
 #endif

Source/Core/Common/LdrWatcher.cpp

@@ -3,7 +3,7 @@
 
 #include "Common/LdrWatcher.h"
 
-#include <Windows.h>
+#include <windows.h>
 #include <TlHelp32.h>
 #include <string>
 #include <winternl.h>