diff --git a/engine/Makefile b/engine/Makefile
index ab96c2b86..c5d2ed0eb 100644
--- a/engine/Makefile
+++ b/engine/Makefile
@@ -167,7 +167,8 @@ USER_TARGET:=$(FTE_TARGET)
 DROID_PACKSU?= $(BASE_DIR)/droid/fte.cfg $(BASE_DIR)/droid/default.fmf $(BASE_DIR)/droid/configs/touch.cfg
 ANDROID_HOME?=~/android-sdk-linux
 #ANDROID_NDK_ROOT?=~/android-ndk-r8e
-ANDROID_NDK_ROOT?=$(ANDROID_HOME)/ndk-bundle
+#ANDROID_NDK_ROOT?=$(ANDROID_HOME)/ndk-bundle
+ANDROID_NDK_ROOT=$(ANDROID_HOME)/android-ndk-r14b
 ANDROID_ZIPALIGN?=$(ZIPALIGN)
 ANDROID_ZIPALIGN?=$(ANDROID_HOME)/tools/zipalign
 ANT?=ant
diff --git a/engine/client/snd_al.c b/engine/client/snd_al.c
index c9f440d37..760e08f77 100644
--- a/engine/client/snd_al.c
+++ b/engine/client/snd_al.c
@@ -73,7 +73,6 @@ We also have no doppler with WebAudio.
 
 #ifdef FTE_TARGET_WEB	//emscripten sucks.
 AL_API void (AL_APIENTRY alSpeedOfSound)( ALfloat value ) {}
-#define alGetError() alGetError(NULL)
 #endif
 #else
 
diff --git a/engine/common/bothdefs.h b/engine/common/bothdefs.h
index 0e2b4281e..ff5029f94 100644
--- a/engine/common/bothdefs.h
+++ b/engine/common/bothdefs.h
@@ -437,6 +437,10 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 #if !defined(_WIN32) || (defined(_MSC_VER) && (_MSC_VER < 1300)) || defined(FTE_SDL)
 	#undef HAVE_WINSSPI
 #endif
+//subservers only has code for win32 threads and linux
+#if !((defined(_WIN32) && !defined(FTE_SDL) && !defined(WINRT)) || (defined(__linux__) && !defined(ANDROID) && !defined(FTE_SDL)))
+	#undef SUBSERVERS
+#endif
 
 #ifndef HAVE_MIXER
 	//disable various sound drivers if we can't use them anyway.
diff --git a/engine/vk/vk_init.c b/engine/vk/vk_init.c
index 7831171a6..1a38f5a82 100644
--- a/engine/vk/vk_init.c
+++ b/engine/vk/vk_init.c
@@ -77,7 +77,7 @@ static struct vk_rendertarg_cube vk_rt_cubemap;
 
 qboolean VK_SCR_GrabBackBuffer(void);
 
-#ifdef __linux__
+#if defined(__linux__) && defined(__GLIBC__)
 #include <execinfo.h>
 #define DOBACKTRACE()					\
 do {							\