Using Cygwin on windows 8 - missing cygpng15-15.dll -


unfortunately, have no idea i'm doing when comes using cygwin. need run program known xfig. have installed cygwin using instructions provided here. believe have done steps correctly. however, when try , start xfig using command $ xfig &, given error$ /usr/bin/xfig.exe: error while loading shared libraries: cygpng15-15.dll: cannot open shared object file: no such file or directory i'm not sure this. missing sort of library need use cygwin? running on windows 8. appreciated.

you can start command: 

cygcheck --package-query cygpng15-15.dll

which return lot of crap:

found 5 matches cygpng15-15.dll cygwin32-libpng-1.5.12-1 - cygwin32-libpng: png library cygwin 32bit toolchain (installed binaries , support files) libpng15-debuginfo-1.5.21-2 - libpng15-debuginfo: debug info libpng15 (installed binaries , support files) libpng15-debuginfo-1.5.22-1 - libpng15-debuginfo: debug info libpng15 (installed binaries , support files) libpng15-1.5.21-2 - libpng15: png library (installed binaries , support files) libpng15-1.5.22-1 - libpng15: png library (installed binaries , support files)

removing first line , leaving package names gives this:

cygwin32-libpng libpng15-debuginfo libpng15-debuginfo libpng15 libpng15

assuming on 64-bit windows 64-bit cygwin, can remove cygwin32 packages. can ignore debuginfo packages contain files /usr/lib/debug. removing , duplicates left with:

libpng15

or can use script:

$ apt-cyg searchall cygpng15-15.dll libpng15

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