[ 50%] Building CXX object Code/IO/CMakeFiles/ITKIO.dir/itkTIFFImageIO.o
[ 51%] Building CXX object Code/IO/CMakeFiles/ITKIO.dir/itkTIFFImageIOFactory.o
[ 51%] Building CXX object Code/IO/CMakeFiles/ITKIO.dir/itkVTKImageIO.o
[ 51%] Building CXX object Code/IO/CMakeFiles/ITKIO.dir/itkVTKImageIOFactory.o
[ 51%] Building CXX object Code/IO/CMakeFiles/ITKIO.dir/itkXMLFile.o
[ 51%] Building CXX object Code/IO/CMakeFiles/ITKIO.dir/itkMetaArrayReader.o
[ 51%] Building CXX object Code/IO/CMakeFiles/ITKIO.dir/itkMetaArrayWriter.o
[ 51%] Building CXX object Code/IO/CMakeFiles/ITKIO.dir/itkTransformFileReader.o
[ 51%] Building CXX object Code/IO/CMakeFiles/ITKIO.dir/itkTransformFileWriter.o
Linking CXX static library ../../bin/libITKIO.a
[ 51%] Built target ITKIO
Scanning dependencies of target itkTestDriver
[ 51%] Building CXX object Code/IO/CMakeFiles/itkTestDriver.dir/itkTestDriver.o
Linking CXX executable ../../bin/itkTestDriver.exe
../../bin/libITKIO.a(itkPNGImageIO.o):itkPNGImageIO.cxx:(.text+0x4d0): undefined reference to `__imp__itk_png_sig_cmp'
../../bin/libITKIO.a(itkPNGImageIO.o):itkPNGImageIO.cxx:(.text+0x546): undefined reference to `__imp__itk_png_create_read_struct'
../../bin/libITKIO.a(itkPNGImageIO.o):itkPNGImageIO.cxx:(.text+0x5ab): undefined reference to `__imp__itk_png_create_info_struct'
../../bin/libITKIO.a(itkPNGImageIO.o):itkPNGImageIO.cxx:(.text+0x5e4): undefined reference to `__imp__itk_png_destroy_read_struct'
../../bin/libITKIO.a(itkPNGImageIO.o):itkPNGImageIO.cxx:(.text+0x630): undefined reference to `__imp__itk_png_create_info_struct'
../../bin/libITKIO.a(itkPNGImageIO.o):itkPNGImageIO.cxx:(.text+0x66b): undefined reference to `__imp__itk_png_destroy_read_struct'
../../bin/libITKIO.a(itkPNGImageIO.o):itkPNGImageIO.cxx:(.text+0x6cb): undefined reference to `__imp__itk_png_destroy_read_struct'
../../bin/libITKIO.a(itkPNGImageIO.o):itkPNGImageIO.cxx:(.text+0xda7): undefined reference to `__imp__itk_png_sig_cmp'
../../bin/libITKIO.a(itkPNGImageIO.o):itkPNGImageIO.cxx:(.text+0xffb): undefined reference to `__imp__itk_png_create_read_struct'
../../bin/libITKIO.a(itkPNGImageIO.o):itkPNGImageIO.cxx:(.text+0x123e): undefined reference to `__imp__itk_png_create_info_struct'
../../bin/libITKIO.a(itkPNGImageIO.o):itkPNGImageIO.cxx:(.text+0x127b): undefined reference to `__imp__itk_png_destroy_read_struct'
../../bin/libITKIO.a(itkPNGImageIO.o):itkPNGImageIO.cxx:(.text+0x14a1): undefined reference to `__imp__itk_png_create_info_struct'
../../bin/libITKIO.a(itkPNGImageIO.o):itkPNGImageIO.cxx:(.text+0x14e0): undefined reference to `__imp__itk_png_destroy_read_struct'
../../bin/libITKIO.a(itkPNGImageIO.o):itkPNGImageIO.cxx:(.text+0x173a): undefined reference to `__imp__itk_png_destroy_read_struct'
../../bin/libITKIO.a(itkPNGImageIO.o):itkPNGImageIO.cxx:(.text+0x1a96): undefined reference to `__imp__itk_png_init_io'
../../bin/libITKIO.a(itkPNGImageIO.o):itkPNGImageIO.cxx:(.text+0x1ab8): undefined reference to `__imp__itk_png_set_sig_bytes'
../../bin/libITKIO.a(itkPNGImageIO.o):itkPNGImageIO.cxx:(.text+0x1ad2): undefined reference to `__imp__itk_png_read_info'
../../bin/libITKIO.a(itkPNGImageIO.o):itkPNGImageIO.cxx:(.text+0x1b32): undefined reference to `__imp__itk_png_get_IHDR'
../../bin/libITKIO.a(itkPNGImageIO.o):itkPNGImageIO.cxx:(.text+0x1b4b): undefined reference to `__imp__itk_png_set_palette_to_rgb'
../../bin/libITKIO.a(itkPNGImageIO.o):itkPNGImageIO.cxx:(.text+0x1b6d): undefined reference to `__imp__itk_png_set_gray_1_2_4_to_8'
../../bin/libITKIO.a(itkPNGImageIO.o):itkPNGImageIO.cxx:(.text+0x1b99): undefined reference to `__imp__itk_png_get_valid'
../../bin/libITKIO.a(itkPNGImageIO.o):itkPNGImageIO.cxx:(.text+0x1bb7): undefined reference to `__imp__itk_png_set_tRNS_to_alpha'
../../bin/libITKIO.a(itkPNGImageIO.o):itkPNGImageIO.cxx:(.text+0x1bd0): undefined reference to `__imp__itk_png_set_swap'
../../bin/libITKIO.a(itkPNGImageIO.o):itkPNGImageIO.cxx:(.text+0x1c09): undefined reference to `__imp__itk_png_set_shift'
../../bin/libITKIO.a(itkPNGImageIO.o):itkPNGImageIO.cxx:(.text+0x1c2d): undefined reference to `__imp__itk_png_read_update_info'
../../bin/libITKIO.a(itkPNGImageIO.o):itkPNGImageIO.cxx:(.text+0x1c51): undefined reference to `__imp__itk_png_get_rowbytes'
../../bin/libITKIO.a(itkPNGImageIO.o):itkPNGImageIO.cxx:(.text+0x1cdc): undefined reference to `__imp__itk_png_read_image'
../../bin/libITKIO.a(itkPNGImageIO.o):itkPNGImageIO.cxx:(.text+0x1d15): undefined reference to `__imp__itk_png_read_end'
../../bin/libITKIO.a(itkPNGImageIO.o):itkPNGImageIO.cxx:(.text+0x1d43): undefined reference to `__imp__itk_png_destroy_read_struct'
../../bin/libITKIO.a(itkPNGImageIO.o):itkPNGImageIO.cxx:(.text+0x2292): undefined reference to `__imp__itk_png_sig_cmp'
../../bin/libITKIO.a(itkPNGImageIO.o):itkPNGImageIO.cxx:(.text+0x22e0): undefined reference to `__imp__itk_png_create_read_struct'
../../bin/libITKIO.a(itkPNGImageIO.o):itkPNGImageIO.cxx:(.text+0x231a): undefined reference to `__imp__itk_png_create_info_struct'
../../bin/libITKIO.a(itkPNGImageIO.o):itkPNGImageIO.cxx:(.text+0x234a): undefined reference to `__imp__itk_png_destroy_read_struct'
../../bin/libITKIO.a(itkPNGImageIO.o):itkPNGImageIO.cxx:(.text+0x2371): undefined reference to `__imp__itk_png_create_info_struct'
../../bin/libITKIO.a(itkPNGImageIO.o):itkPNGImageIO.cxx:(.text+0x23a0): undefined reference to `__imp__itk_png_destroy_read_struct'
../../bin/libITKIO.a(itkPNGImageIO.o):itkPNGImageIO.cxx:(.text+0x23ce): undefined reference to `__imp__itk_png_init_io'
../../bin/libITKIO.a(itkPNGImageIO.o):itkPNGImageIO.cxx:(.text+0x23ed): undefined reference to `__imp__itk_png_set_sig_bytes'
../../bin/libITKIO.a(itkPNGImageIO.o):itkPNGImageIO.cxx:(.text+0x2401): undefined reference to `__imp__itk_png_read_info'
../../bin/libITKIO.a(itkPNGImageIO.o):itkPNGImageIO.cxx:(.text+0x2446): undefined reference to `__imp__itk_png_get_IHDR'
../../bin/libITKIO.a(itkPNGImageIO.o):itkPNGImageIO.cxx:(.text+0x2459): undefined reference to `__imp__itk_png_set_palette_to_rgb'
../../bin/libITKIO.a(itkPNGImageIO.o):itkPNGImageIO.cxx:(.text+0x2472): undefined reference to `__imp__itk_png_set_gray_1_2_4_to_8'
../../bin/libITKIO.a(itkPNGImageIO.o):itkPNGImageIO.cxx:(.text+0x2498): undefined reference to `__imp__itk_png_get_valid'
../../bin/libITKIO.a(itkPNGImageIO.o):itkPNGImageIO.cxx:(.text+0x24b3): undefined reference to `__imp__itk_png_set_tRNS_to_alpha'
../../bin/libITKIO.a(itkPNGImageIO.o):itkPNGImageIO.cxx:(.text+0x24c7): undefined reference to `__imp__itk_png_read_update_info'
../../bin/libITKIO.a(itkPNGImageIO.o):itkPNGImageIO.cxx:(.text+0x2560): undefined reference to `__imp__itk_png_get_channels'
../../bin/libITKIO.a(itkPNGImageIO.o):itkPNGImageIO.cxx:(.text+0x2614): undefined reference to `__imp__itk_png_get_sCAL'
../../bin/libITKIO.a(itkPNGImageIO.o):itkPNGImageIO.cxx:(.text+0x266f): undefined reference to `__imp__itk_png_destroy_read_struct'
../../bin/libITKIO.a(itkPNGImageIO.o):itkPNGImageIO.cxx:(.text+0x2b8b): undefined reference to `__imp__itk_png_create_write_struct'
../../bin/libITKIO.a(itkPNGImageIO.o):itkPNGImageIO.cxx:(.text+0x2da2): undefined reference to `__imp__itk_png_create_info_struct'
../../bin/libITKIO.a(itkPNGImageIO.o):itkPNGImageIO.cxx:(.text+0x2dd4): undefined reference to `__imp__itk_png_destroy_write_struct'
../../bin/libITKIO.a(itkPNGImageIO.o):itkPNGImageIO.cxx:(.text+0x2fcf): undefined reference to `__imp__itk_png_init_io'
../../bin/libITKIO.a(itkPNGImageIO.o):itkPNGImageIO.cxx:(.text+0x2ffd): undefined reference to `__imp__itk_png_set_error_fn'
../../bin/libITKIO.a(itkPNGImageIO.o):itkPNGImageIO.cxx:(.text+0x34ef): undefined reference to `__imp__itk_png_set_IHDR'
../../bin/libITKIO.a(itkPNGImageIO.o):itkPNGImageIO.cxx:(.text+0x351c): undefined reference to `__imp__itk_png_set_compression_level'
../../bin/libITKIO.a(itkPNGImageIO.o):itkPNGImageIO.cxx:(.text+0x354f): undefined reference to `__imp__itk_png_set_sCAL'
../../bin/libITKIO.a(itkPNGImageIO.o):itkPNGImageIO.cxx:(.text+0x3570): undefined reference to `__imp__itk_png_write_info'
../../bin/libITKIO.a(itkPNGImageIO.o):itkPNGImageIO.cxx:(.text+0x3585): undefined reference to `__imp__itk_png_set_swap'
../../bin/libITKIO.a(itkPNGImageIO.o):itkPNGImageIO.cxx:(.text+0x3621): undefined reference to `__imp__itk_png_write_image'
../../bin/libITKIO.a(itkPNGImageIO.o):itkPNGImageIO.cxx:(.text+0x3642): undefined reference to `__imp__itk_png_write_end'
../../bin/libITKIO.a(itkPNGImageIO.o):itkPNGImageIO.cxx:(.text+0x3670): undefined reference to `__imp__itk_png_destroy_write_struct'
/usr/lib/gcc/i686-pc-cygwin/3.4.4/../../../../i686-pc-cygwin/bin/ld: ../../bin/libITKIO.a(itkPNGImageIO.o): bad reloc address 0xb in section `.text$_ZN3itk14PNGFileWrapperD1Ev[itk::PNGFileWrapper::~PNGFileWrapper()]'
/usr/lib/gcc/i686-pc-cygwin/3.4.4/../../../../i686-pc-cygwin/bin/ld: final link failed: Invalid operation
collect2: ld returned 1 exit status
Code/IO/CMakeFiles/itkTestDriver.dir/build.make:111: recipe for target `bin/itkTestDriver.exe' failed
make[2]: *** [bin/itkTestDriver.exe] Error 1
CMakeFiles/Makefile2:3401: recipe for target `Code/IO/CMakeFiles/itkTestDriver.dir/all' failed
make[1]: *** [Code/IO/CMakeFiles/itkTestDriver.dir/all] Error 2
Makefile:146: recipe for target `all' failed
make: *** [all] Error 2
w