Try to fix build

lib/graphics_utils/CMakeLists.txt

@@ -1,6 +1,6 @@
 cmake_minimum_required(VERSION 2.6)
 if (UNIX OR MINGW)
-    add_definitions(-O3 -msse -msse2 -msse3 -mssse3 -msse4.1 -mavx -ffast-math)
+    add_definitions(-O3)
 endif()
 add_library(graphics_utils STATIC
     mipmap/cpusimd.c

lib/graphics_utils/mipmap/cpusimd.c

@@ -41,12 +41,15 @@
 #include <float.h>
 #include <limits.h>
 
-#include <sys/time.h>
-
 
 #include "cpusimd.h"
 
 
+#ifndef M_PI
+ #define M_PI 3.14159265358979323846
+#endif
+
+
 ////
 
 

lib/graphics_utils/mipmap/imgresize.c

@@ -58,7 +58,11 @@
 
 #if defined(__GNUC__) || defined(__INTEL_COMPILER) || defined(__clang__)
  #define CC_ALWAYSINLINE __attribute__((always_inline))
- #define CC_RESTRICT restrict
+ #if __STDC_VERSION__ >= 199901L
+  #define CC_RESTRICT restrict
+ #else
+  #define CC_RESTRICT
+ #endif
 #elif defined(_MSC_VER)
  #define CC_ALWAYSINLINE __forceinline
  #define CC_RESTRICT __restrict