diff --git a/src/posix/sdl/gl_sysfb.h b/src/posix/sdl/gl_sysfb.h
index f7ac38dd30..b241956735 100644
--- a/src/posix/sdl/gl_sysfb.h
+++ b/src/posix/sdl/gl_sysfb.h
@@ -5,14 +5,14 @@
 
 #include "v_video.h"
 
-class SystemGLFrameBuffer : public DFrameBuffer
+class SystemBaseFrameBuffer : public DFrameBuffer
 {
 	typedef DFrameBuffer Super;
 
 public:
 	// this must have the same parameters as the Windows version, even if they are not used!
-	SystemGLFrameBuffer (void *hMonitor, bool fullscreen);
-	~SystemGLFrameBuffer ();
+	SystemBaseFrameBuffer (void *hMonitor, bool fullscreen);
+	~SystemBaseFrameBuffer ();
 
 	void ForceBuffering (bool force);
 
@@ -37,7 +37,7 @@ protected:
 	void SetGammaTable(uint16_t *tbl);
 	void ResetGammaTable();
 
-	SystemGLFrameBuffer () {}
+	SystemBaseFrameBuffer () {}
 	uint8_t GammaTable[3][256];
 	bool UpdatePending;
 
@@ -51,5 +51,18 @@ protected:
 	static const int MIN_HEIGHT = 200;
 };
 
+class SystemGLFrameBuffer : public SystemBaseFrameBuffer
+{
+	typedef SystemBaseFrameBuffer Super;
+
+public:
+	SystemGLFrameBuffer(void *hMonitor, bool fullscreen)
+	: SystemBaseFrameBuffer(hMonitor, fullscreen)
+	{}
+
+protected:
+	SystemGLFrameBuffer() {}
+};
+
 #endif // __POSIX_SDL_GL_SYSFB_H__
 
diff --git a/src/posix/sdl/sdlglvideo.cpp b/src/posix/sdl/sdlglvideo.cpp
index d92c6fa9a2..47684fd52f 100644
--- a/src/posix/sdl/sdlglvideo.cpp
+++ b/src/posix/sdl/sdlglvideo.cpp
@@ -116,7 +116,7 @@ SDLGLVideo::~SDLGLVideo ()
 
 DFrameBuffer *SDLGLVideo::CreateFrameBuffer ()
 {
-	SystemGLFrameBuffer *fb = new OpenGLRenderer::OpenGLFrameBuffer(0, fullscreen);
+	SystemBaseFrameBuffer *fb = new OpenGLRenderer::OpenGLFrameBuffer(0, fullscreen);
 
 	return fb;
 }
@@ -177,7 +177,7 @@ FModule sdl_lib("SDL2");
 typedef int (*SDL_GetWindowBordersSizePtr)(SDL_Window *, int *, int *, int *, int *);
 static TOptProc<sdl_lib, SDL_GetWindowBordersSizePtr> SDL_GetWindowBordersSize_("SDL_GetWindowBordersSize");
 
-SystemGLFrameBuffer::SystemGLFrameBuffer (void *, bool fullscreen)
+SystemBaseFrameBuffer::SystemBaseFrameBuffer (void *, bool fullscreen)
 	: DFrameBuffer (vid_defwidth, vid_defheight)
 {
 	m_fsswitch = false;
@@ -257,7 +257,7 @@ SystemGLFrameBuffer::SystemGLFrameBuffer (void *, bool fullscreen)
 	}
 }
 
-SystemGLFrameBuffer::~SystemGLFrameBuffer ()
+SystemBaseFrameBuffer::~SystemBaseFrameBuffer ()
 {
 	if (Screen)
 	{
@@ -271,12 +271,12 @@ SystemGLFrameBuffer::~SystemGLFrameBuffer ()
 }
 
 
-bool SystemGLFrameBuffer::IsFullscreen ()
+bool SystemBaseFrameBuffer::IsFullscreen ()
 {
 	return (SDL_GetWindowFlags (Screen) & SDL_WINDOW_FULLSCREEN_DESKTOP) != 0;
 }
 
-void SystemGLFrameBuffer::SetVSync( bool vsync )
+void SystemBaseFrameBuffer::SetVSync( bool vsync )
 {
 #if defined (__APPLE__)
 	const GLint value = vsync ? 1 : 0;
@@ -294,7 +294,7 @@ void SystemGLFrameBuffer::SetVSync( bool vsync )
 #endif
 }
 
-void SystemGLFrameBuffer::SwapBuffers()
+void SystemBaseFrameBuffer::SwapBuffers()
 {
 #if !defined(__APPLE__) && !defined(__OpenBSD__)
 	if (vid_maxfps && !cl_capfps)
@@ -306,7 +306,7 @@ void SystemGLFrameBuffer::SwapBuffers()
 	SDL_GL_SwapWindow (Screen);
 }
 
-void SystemGLFrameBuffer::ToggleFullscreen(bool yes)
+void SystemBaseFrameBuffer::ToggleFullscreen(bool yes)
 {
 	SDL_SetWindowFullscreen(Screen, yes ? SDL_WINDOW_FULLSCREEN_DESKTOP : 0);
 	if ( !yes )
@@ -324,21 +324,21 @@ void SystemGLFrameBuffer::ToggleFullscreen(bool yes)
 	}
 }
 
-int SystemGLFrameBuffer::GetClientWidth()
+int SystemBaseFrameBuffer::GetClientWidth()
 {
 	int width = 0;
 	SDL_GL_GetDrawableSize(Screen, &width, nullptr);
 	return width;
 }
 
-int SystemGLFrameBuffer::GetClientHeight()
+int SystemBaseFrameBuffer::GetClientHeight()
 {
 	int height = 0;
 	SDL_GL_GetDrawableSize(Screen, nullptr, &height);
 	return height;
 }
 
-void SystemGLFrameBuffer::SetWindowSize(int w, int h)
+void SystemBaseFrameBuffer::SetWindowSize(int w, int h)
 {
 	if (w < MIN_WIDTH || h < MIN_HEIGHT)
 	{
@@ -364,7 +364,7 @@ void SystemGLFrameBuffer::SetWindowSize(int w, int h)
 	}
 }
 
-void SystemGLFrameBuffer::GetWindowBordersSize(int &top, int &left)
+void SystemBaseFrameBuffer::GetWindowBordersSize(int &top, int &left)
 {
 	if (SDL_GetWindowBordersSize_)
 	{
@@ -392,14 +392,14 @@ void ProcessSDLWindowEvent(const SDL_WindowEvent &event)
 		if (!fullscreen)
 		{
 			int top = 0, left = 0;
-			static_cast<SystemGLFrameBuffer *>(screen)->GetWindowBordersSize(top,left);
+			static_cast<SystemBaseFrameBuffer *>(screen)->GetWindowBordersSize(top,left);
 			win_x = event.data1-left;
 			win_y = event.data2-top;
 		}
 		break;
 
 	case SDL_WINDOWEVENT_RESIZED:
-		if (!fullscreen && !(static_cast<SystemGLFrameBuffer *>(screen)->m_fsswitch))
+		if (!fullscreen && !(static_cast<SystemBaseFrameBuffer *>(screen)->m_fsswitch))
 		{
 			win_w = event.data1;
 			win_h = event.data2;
@@ -420,7 +420,7 @@ void ProcessSDLWindowEvent(const SDL_WindowEvent &event)
 // each platform has its own specific version of this function.
 void I_SetWindowTitle(const char* caption)
 {
-	auto window = static_cast<SystemGLFrameBuffer *>(screen)->GetSDLWindow();
+	auto window = static_cast<SystemBaseFrameBuffer *>(screen)->GetSDLWindow();
 	if (caption)
 		SDL_SetWindowTitle(window, caption);
 	else
diff --git a/src/rendering/vulkan/renderer/vk_renderpass.h b/src/rendering/vulkan/renderer/vk_renderpass.h
index 6d9a993ce8..acdfb5257f 100644
--- a/src/rendering/vulkan/renderer/vk_renderpass.h
+++ b/src/rendering/vulkan/renderer/vk_renderpass.h
@@ -4,6 +4,7 @@
 #include "vulkan/system/vk_objects.h"
 #include "r_data/renderstyle.h"
 #include "hwrenderer/data/buffers.h"
+#include <string.h>
 #include <map>
 
 class VKDataBuffer;
diff --git a/src/rendering/vulkan/system/vk_device.h b/src/rendering/vulkan/system/vk_device.h
index ad124151b6..69386a487c 100644
--- a/src/rendering/vulkan/system/vk_device.h
+++ b/src/rendering/vulkan/system/vk_device.h
@@ -5,6 +5,7 @@
 #include <mutex>
 #include <vector>
 #include <algorithm>
+#include <memory>
 
 class VulkanSwapChain;
 class VulkanSemaphore;