In function `QAnimationWriter::QAnimationWriter(QString const&, char const*)':
qanimationwriter.cpp:(.text+0xa9c): undefined reference to `png_create_write_struct'
qanimationwriter.cpp:(.text+0xaa7): undefined reference to `png_create_info_struct'
qanimationwriter.cpp:(.text+0xabd): undefined reference to `png_set_compression_level'
qanimationwriter.cpp:(.text+0xadc): undefined reference to `png_set_write_fn'
.obj/release-shared/qanimationwriter.o: In function `QAnimationWriter::QAnimationWriter(QString const&, char const*)':
qanimationwriter.cpp:(.text+0xc1c): undefined reference to `png_create_write_struct'
qanimationwriter.cpp:(.text+0xc27): undefined reference to `png_create_info_struct'
qanimationwriter.cpp:(.text+0xc3d): undefined reference to `png_set_compression_level'
qanimationwriter.cpp:(.text+0xc5c): undefined reference to `png_set_write_fn'
.obj/release-shared/qanimationwriter.o: In function `QAnimationWriterMNG::setImage(QImage const&)':
qanimationwriter.cpp:(.text._ZN19QAnimationWriterMNG8setImageERK6QImage[QAnimationWriterMNG::setImage(QImage const&)]+0xb6): undefined reference to `png_write_chunk'
.obj/release-shared/qanimationwriter.o: In function `QAnimationWriterMNG::write(png_struct_def*, unsigned char*, unsigned int)':
qanimationwriter.cpp:(.text._ZN19QAnimationWriterMNG5writeEP14png_struct_defPhj[QAnimationWriterMNG::write(png_struct_def*, unsigned char*, unsigned int)]+0xd): undefined reference to `png_get_io_ptr'
.obj/release-shared/qanimationwriter.o: In function `QAnimationWriterMNG::composeImage(QImage const&, QPoint const&)':
qanimationwriter.cpp:(.text._ZN19QAnimationWriterMNG12composeImageERK6QImageRK6QPoint[QAnimationWriterMNG::composeImage(QImage const&, QPoint const&)]+0x4a): undefined reference to `png_write_chunk'
qanimationwriter.cpp:(.text._ZN19QAnimationWriterMNG12composeImageERK6QImageRK6QPoint[QAnimationWriterMNG::composeImage(QImage const&, QPoint const&)]+0x5d): undefined reference to `png_set_sig_bytes'
qanimationwriter.cpp:(.text._ZN19QAnimationWriterMNG12composeImageERK6QImageRK6QPoint[QAnimationWriterMNG::composeImage(QImage const&, QPoint const&)]+0xc3): undefined reference to `png_set_IHDR'
qanimationwriter.cpp:(.text._ZN19QAnimationWriterMNG12composeImageERK6QImageRK6QPoint[QAnimationWriterMNG::composeImage(QImage const&, QPoint const&)]+0xd5): undefined reference to `png_write_info'
qanimationwriter.cpp:(.text._ZN19QAnimationWriterMNG12composeImageERK6QImageRK6QPoint[QAnimationWriterMNG::composeImage(QImage const&, QPoint const&)]+0xf0): undefined reference to `png_set_bgr'
qanimationwriter.cpp:(.text._ZN19QAnimationWriterMNG12composeImageERK6QImageRK6QPoint[QAnimationWriterMNG::composeImage(QImage const&, QPoint const&)]+0x140): undefined reference to `png_write_image'
