...

Warning (mostly harmless): No library found for -lpng
PNG: building independently
PNG: Generic: includes not found - libraries not found
PNG: v1.6: includes not found - libraries not found
PNG: v1.5: includes not found - libraries not found
PNG: v1.4: includes not found - libraries not found
PNG: v1.2: includes not found - libraries not found
PNG: v1.0: includes not found - libraries not found
PNG: base (+libz): includes not found - libraries not found
PNG: v1.6 (+libz): includes not found - libraries not found
PNG: v1.5 (+libz): includes not found - libraries not found
PNG: v1.4 (+libz): includes not found - libraries not found
PNG: v1.2 (+libz): includes not found - libraries not found
PNG: v1.0 (+libz): includes not found - libraries not found
PNG: Checking if the compiler can find them on its own

##</code><code>##

PNG: Test code failed: Can't link/include 'png.h', 'stdio.h', 'png'

Warning: No success on command[C:\Perl-5.16\bin\perl.exe Makefile.PL]

  TONYC/Imager-File-PNG-0.89.tar.gz
  C:\Perl-5.16\bin\perl.exe Makefile.PL -- NOT OK
Running make test

  Make had some problems, won't test. Could not read metadata file. Falling back to other methods to determine prerequisites. Finished...