Image manipulation functions depend on a flag

src/rtextures.c

@@ -4204,8 +4204,10 @@ TextureCubemap LoadTextureCubemap(Image image, int layout)
             ImageFormat(&faces, image.format);
 
             Image mipmapped = ImageCopy(image);
+        #if defined(SUPPORT_IMAGE_MANIPULATION)
             ImageMipmaps(&mipmapped);
             ImageMipmaps(&faces);
+        #endif
 
             // NOTE: Image formatting does not work with compressed textures