* files to mention
 bin/gnuplot.exe                        - program file with qt, wxt and x11 terminals
 bin/gnuplot-wx.exe                     - program file with wxt and x11 terminals
 bin/cygopenspecfun.dll                 - dynamic link library of libopenspecfun
                                          This is not included in the current cygwin repository
 bin/cygQt5Network-5-gnuplot.dll        - dynamic link library of libQt5Network specially
                                          modified for gnuplot for cygwin
 docs/gnuplot.pdf                       - user manual
 docs/faq.pdf                           - faq doucument
 docs/psdoc/ps_fontfile_doc/ps_fontfile_doc.pdf - postscript font document
 docs/psdoc/ps_fontfile_doc/ps_symbols.pdf - postscript symbol document
 libexec/gnuplot/5.5/gnuplot_qt.exe     - qt driver
 libexec/gnuplot/5.5/gnuplot_x11.exe    - x11 driver
 share/gnuplot/5.5/app-defaults/Gnuplot - X resources for gnuplot x11 terminal driver
 share/gnuplot/5.5/gnuplot.gih          - help.file
 
 Please also see a file list in ls-R.txt

* environmental variables which might be specified
 GNUHELP            - path to the help file
 GNUPLOT_DRIVER_DIR - directory name for gnuplot_x11.exe and gnuplot_qt.exe
 GNUPLOT_PS_DIR     - used by the postscript driver to use external prologue files
 GNUPLOT_JS_DIR     - used by the canvas terminal
 GNUPLOT_LUA_DIR    - used by the lua/tikz teminal
 GNUTERM            - used as the name of the terminal type to be used

* Notes
 * I do not recommed to place files into directly /, /usr, or /usr/local due to fair of conflict.
   I made a symbolic link as /usr/local/bin/gnuplot-5.5.exe by 'ln -s' command.
 * qt terminal is in experimental stage on cygwin.
   dbus package should be installed from the setup.
   error messages are shown in interactive session. 
   For example,
     terminal type is now 'qt'
     gnuplot> pl x
     QStandardPaths: XDG_RUNTIME_DIR not set, defaulting to '/tmp/runtime-user'
     libGL error: Windows-DRI extension not available
     libGL error: No matching fbConfigs or visuals found
     libGL error: failed to load driver: swrast
     gnuplot> QXcbShmImage: shmget() failed (88: Function not implemented) for size 1394424 (642x543)
   For QStandardPaths error, the message is supressed if the environmental variable XDG_RUNTIME_DIR to
   /tmp/runtime-user like 
     export XDG_RUNTIME_DIR=/tmp/runtime-user
   For libGL errors, the messages are supressed if the environmental variable LIBGL_ALWAYS_INDIRECT to 1 like
     export LIBGL_ALWAYS_INDIRECT=1
   For QXcbShmImage: shmget() failed, the message is surpressed if cygserver service is running.
   Right click terminal launcher and run as administrator and execute below
      $ cygserver-config
      /etc/cygserver.conf
      is produced and then execute
      $ cygrunsrv -S cygserver
      Then cygserver service is registered to registry.
      https://superuser.com/questions/738105/how-to-install-cygserver
 * Function expint is not implemented because of license issue.
       https://sourceforge.net/p/gnuplot/bugs/2475/
 * If you install release version of gnuplot via cygwin set up, 
   almost necessary dll files are installed.

* cygcheck result. The below will be helpful to install cygwin packages.
$ cygcheck ./gnuplot
F:\Work\Tatsuro\cygwinwork\gnuplot\gnuplot-main\package_openspecfun_qt\gnuplot-5
.5\bin\gnuplot.exe
  F:\Programs\cygwin64\bin\cygQt5Core-5.dll
    F:\Programs\cygwin64\bin\cygwin1.dll
      C:\WINDOWS\system32\KERNEL32.dll
        C:\WINDOWS\system32\ntdll.dll
        C:\WINDOWS\system32\KERNELBASE.dll
    F:\Programs\cygwin64\bin\cygglib-2.0-0.dll
      F:\Programs\cygwin64\bin\cygiconv-2.dll
      F:\Programs\cygwin64\bin\cygintl-8.dll
      F:\Programs\cygwin64\bin\cygpcre-1.dll
    F:\Programs\cygwin64\bin\cygicui18n61.dll
      F:\Programs\cygwin64\bin\cygicuuc61.dll
        F:\Programs\cygwin64\bin\cygicudata61.dll
        F:\Programs\cygwin64\bin\cyggcc_s-seh-1.dll
        F:\Programs\cygwin64\bin\cygstdc++-6.dll
    F:\Programs\cygwin64\bin\cygpcre2-16-0.dll
    F:\Programs\cygwin64\bin\cygz.dll
  F:\Programs\cygwin64\bin\cygQt5Gui-5.dll
    F:\Programs\cygwin64\bin\cygGL-1.dll
      F:\Programs\cygwin64\bin\cygX11-xcb-1.dll
      F:\Programs\cygwin64\bin\cygX11-6.dll
        F:\Programs\cygwin64\bin\cygxcb-1.dll
          F:\Programs\cygwin64\bin\cygXau-6.dll
          F:\Programs\cygwin64\bin\cygXdmcp-6.dll
      F:\Programs\cygwin64\bin\cygxcb-glx-0.dll
      F:\Programs\cygwin64\bin\cygXext-6.dll
      C:\WINDOWS\system32\GDI32.dll
        C:\WINDOWS\system32\win32u.dll
      C:\WINDOWS\system32\OPENGL32.dll
        C:\WINDOWS\system32\msvcrt.dll
        C:\WINDOWS\system32\ADVAPI32.dll
          C:\WINDOWS\system32\SECHOST.dll
            C:\WINDOWS\system32\RPCRT4.dll
        C:\WINDOWS\system32\USER32.dll
        C:\WINDOWS\system32\GLU32.dll
      F:\Programs\cygwin64\bin\cygglapi-0.dll
    F:\Programs\cygwin64\bin\cygharfbuzz-0.dll
      F:\Programs\cygwin64\bin\cygfreetype-6.dll
        F:\Programs\cygwin64\bin\cygbrotlidec-1.dll
          F:\Programs\cygwin64\bin\cygbrotlicommon-1.dll
        F:\Programs\cygwin64\bin\cygbz2-1.dll
        F:\Programs\cygwin64\bin\cygpng16-16.dll
      F:\Programs\cygwin64\bin\cyggraphite2-3.dll
  F:\Programs\cygwin64\bin\cygcairo-2.dll
    F:\Programs\cygwin64\bin\cygfontconfig-1.dll
      F:\Programs\cygwin64\bin\cygexpat-1.dll
      F:\Programs\cygwin64\bin\cyguuid-1.dll
    F:\Programs\cygwin64\bin\cygpixman-1-0.dll
    F:\Programs\cygwin64\bin\cygxcb-render-0.dll
    F:\Programs\cygwin64\bin\cygxcb-shm-0.dll
    F:\Programs\cygwin64\bin\cygXrender-1.dll
  F:\Programs\cygwin64\bin\cygcerf-1.dll
  F:\Programs\cygwin64\bin\cyggd-3.dll
    F:\Programs\cygwin64\bin\cygXpm-4.dll
    F:\Programs\cygwin64\bin\cygimagequant-0.dll
      F:\Programs\cygwin64\bin\cyggomp-1.dll
    F:\Programs\cygwin64\bin\cygjpeg-8.dll
    F:\Programs\cygwin64\bin\cygraqm-0.dll
      F:\Programs\cygwin64\bin\cygfribidi-0.dll
    F:\Programs\cygwin64\bin\cygtiff-6.dll
      F:\Programs\cygwin64\bin\cygdeflate-0.dll
      F:\Programs\cygwin64\bin\cygjbig-2.dll
      F:\Programs\cygwin64\bin\cyglzma-5.dll
      F:\Programs\cygwin64\bin\cygwebp-7.dll
      F:\Programs\cygwin64\bin\cygzstd-1.dll
  F:\Programs\cygwin64\bin\cyggobject-2.0-0.dll
    F:\Programs\cygwin64\bin\cygffi-6.dll
  F:\Programs\cygwin64\bin\cyglua-5.3.dll
  F:\Programs\cygwin64\bin\cygpango-1.0-0.dll
    F:\Programs\cygwin64\bin\cygthai-0.dll
      F:\Programs\cygwin64\bin\cygdatrie-1.dll
  F:\Programs\cygwin64\bin\cygpangocairo-1.0-0.dll
    F:\Programs\cygwin64\bin\cygpangoft2-1.0-0.dll
  F:\Programs\cygwin64\bin\cygreadline7.dll
    F:\Programs\cygwin64\bin\cygncursesw-10.dll
  F:\Programs\cygwin64\bin\cygwebpmux-3.dll
  F:\Programs\cygwin64\bin\cygwx_baseu-3.0-0.dll
  F:\Programs\cygwin64\bin\cygwx_gtk3u_core-3.0-0.dll
    F:\Programs\cygwin64\bin\cygSM-6.dll
      F:\Programs\cygwin64\bin\cygICE-6.dll
    F:\Programs\cygwin64\bin\cyggdk-3-0.dll
      F:\Programs\cygwin64\bin\cygcairo-gobject-2.dll
      F:\Programs\cygwin64\bin\cygepoxy-0.dll
      F:\Programs\cygwin64\bin\cyggdk_pixbuf-2.0-0.dll
        F:\Programs\cygwin64\bin\cyggio-2.0-0.dll
          F:\Programs\cygwin64\bin\cyggmodule-2.0-0.dll
      F:\Programs\cygwin64\bin\cygXcomposite-1.dll
      F:\Programs\cygwin64\bin\cygXcursor-1.dll
        F:\Programs\cygwin64\bin\cygXfixes-3.dll
      F:\Programs\cygwin64\bin\cygXdamage-1.dll
      F:\Programs\cygwin64\bin\cygXi-6.dll
      F:\Programs\cygwin64\bin\cygXinerama-1.dll
      F:\Programs\cygwin64\bin\cygXrandr-2.dll
    F:\Programs\cygwin64\bin\cyggtk-3-0.dll
      F:\Programs\cygwin64\bin\cygatk-1.0-0.dll
      F:\Programs\cygwin64\bin\cygatk-bridge-2.0-0.dll
        F:\Programs\cygwin64\bin\cygatspi-0.dll
          F:\Programs\cygwin64\bin\cygdbus-1-3.dll
  F:\Work\Tatsuro\cygwinwork\gnuplot\gnuplot-main\package_openspecfun_qt\gnuplot-5.5\bin\cygQt5Network-5-gnuplot.dll
  F:\Work\Tatsuro\cygwinwork\gnuplot\gnuplot-main\package_openspecfun_qt\gnuplot-5.5\bin\cygopenspecfun.dll
    F:\Programs\cygwin64\bin\cyggfortran-5.dll
      F:\Programs\cygwin64\bin\cygquadmath-0.dll

* Package manager : Tatsuro MATSUOKA
  e-mail : tmacchant3_atmark_yahoo.co.jp
