diff --git a/Makefile.libretro b/Makefile.libretro
index 522bd06..152101c 100644
--- a/Makefile.libretro
+++ b/Makefile.libretro
@@ -458,9 +458,11 @@ else ifeq ($(platform), miyoo)
 	CC = /opt/miyoo/usr/bin/arm-linux-gcc
 	CXX = /opt/miyoo/usr/bin/arm-linux-g++
 	AR = /opt/miyoo/usr/bin/arm-linux-ar
-	fpic := -fPIC
+	fpic :=
 	SHARED := -shared -Wl,--version-script=src/libretro/link.T -Wl,-no-undefined
-	PLATFORM_DEFINES += -fomit-frame-pointer -ffast-math -mcpu=arm926ej-s
+	PLATFORM_DEFINES += -mcpu=arm926ej-s -Wno-write-strings -Wno-sign-compare -fomit-frame-pointer -fno-builtin -fno-common -fpermissive -Ofast -flto -fomit-frame-pointer -fno-builtin   \
+            -fno-common -Wno-write-strings -Wno-sign-compare -ffast-math -ftree-vectorize \
+	    -funswitch-loops -fno-strict-aliasing
 	EXTERNAL_ZLIB = 1
 
 # Windows MSVC 2017 all architectures