diff --git a/3rdparty/astc/astc_codec_internals.h b/3rdparty/astc/astc_codec_internals.h
index 13356ae..a87cc63 100644
--- a/3rdparty/astc/astc_codec_internals.h
+++ b/3rdparty/astc/astc_codec_internals.h
@@ -19,7 +19,6 @@
 
 #include <stdint.h>
 #include <stdlib.h>
-#include <math.h>
 #include "mathlib.h"
 
 #ifndef MIN
diff --git a/3rdparty/astc/astc_lib.cpp b/3rdparty/astc/astc_lib.cpp
index e75ba64..f016052 100644
--- a/3rdparty/astc/astc_lib.cpp
+++ b/3rdparty/astc/astc_lib.cpp
@@ -53,6 +53,7 @@ namespace
         { 0, 1, 2, 3 }, // ASTC_RGBA
         { 2, 1, 0, 3 }, // ASTC_BGRA
         { 0, 0, 0, 1 }, // ASTC_ENC_NORMAL_RA
+        { 0, 0, 0, 1 }, // ASTC_ENC_NORMAL_RA_PCPT
         { 0, 3, 6, 5 }, // ASTC_DEC_RA_NORMAL
     };
 
diff --git a/3rdparty/astc/mathlib.cpp b/3rdparty/astc/mathlib.cpp
index 0384b1e..ee6a86b 100644
--- a/3rdparty/astc/mathlib.cpp
+++ b/3rdparty/astc/mathlib.cpp
@@ -1,4 +1,4 @@
-/*----------------------------------------------------------------------------*/
+/*----------------------------------------------------------------------------*/  
 /**
  *	This confidential and proprietary software may be used only as
  *	authorised by a licensing agreement from ARM Limited
@@ -10,8 +10,8 @@
  *	by a licensing agreement from ARM Limited.
  *
  *	@brief	Library of math functions.
- */
-/*----------------------------------------------------------------------------*/
+ */ 
+/*----------------------------------------------------------------------------*/ 
 
 #define _USE_MATH_DEFINES    // for M_PI on windows
 
@@ -116,7 +116,7 @@ float4 fmin(float4 p, float4 q)
 	return float4(fmin(p.x, q.x), fmin(p.y, q.y), fmin(p.z, q.z), fmin(p.w, q.w));
 }
 
-/*
+/* 
    float dot( float2 p, float2 q ) { return p.x*q.x + p.y*q.y; } float dot( float3 p, float3 q ) { return p.x*q.x + p.y*q.y + p.z*q.z; } float dot( float4 p, float4 q ) { return p.x*q.x + p.y*q.y +
    p.z*q.z + p.w*q.w; } */
 
@@ -225,7 +225,7 @@ float4 normalize(float4 p)
 
 *************************************************/
 
-/*
+/* 
 	struct mat2 { float2 v[2]; };
 	struct mat3 { float3 v[3]; };
 	struct mat4 { float4 v[4]; };
@@ -265,7 +265,7 @@ float determinant(mat4 p)
 }
 
 
-/*
+/* 
    characteristic polynomials for matrices. These polynomials are monic, meaning that the coefficient of the highest component is 1; this component is omitted. The first component is the constant
    part. */
 
@@ -293,7 +293,7 @@ float4 characteristic_poly(mat4 p)
 }
 
 
-/*
+/* 
 	Root finders for monic polynomials (highest coefficient is equal to 1)
 
 	Returns a vector with length equal to the number of roots that the polynomial has;
@@ -362,7 +362,7 @@ float3 solve_monic(float3 p)
 }
 
 
-/*
+/* 
  * This function is not overflow-safe. Use with care.
  */
 float4 solve_monic(float4 p)
diff --git a/scripts/bimg_encode.lua b/scripts/bimg_encode.lua
index 4a910cb..3eaa530 100644
--- a/scripts/bimg_encode.lua
+++ b/scripts/bimg_encode.lua
@@ -42,4 +42,17 @@ project "bimg_encode"
 			"-fPIC",
 		}
 
+	configuration { "mingw* or linux* or osx*" }
+		buildoptions {
+			"-Wno-implicit-fallthrough",
+			"-Wno-shadow",
+			"-Wno-shift-negative-value",
+			"-Wno-undef",
+		}
+
+		buildoptions_cpp {
+			"-Wno-class-memaccess",
+			"-Wno-deprecated-copy",
+		}
+
 	configuration {}