【学习笔记】undefined reference to `png_riffle_palette_neon

找到3rdparty/libpng/pngpriv.h文件，第129行将

# if (defined(ARM_NEON) || defined(__ARM_NEON)) && 

修改为

# if defined(PNG_ARM_NEON) && (defined(ARM_NEON) || defined(__ARM_NEON)) && 

然后重新make