problems in installing gnuplot5.5

Dear gnuplot users&develepers,
I am a new user. I want to install v5.5 due to the new function of two
palettes in pm3d. At configure step, the info has some warnings and it does
not success:

"checking for LIBCERF... configure: WARNING:
Package requirements (libcerf) were not met:

No package 'libcerf' found

Consider adjusting the PKG_CONFIG_PATH environment variable if you
installed software in a non-standard prefix.

Alternatively, you may set the environment variables LIBCERF_CFLAGS
and LIBCERF_LIBS to avoid the need to call pkg-config.
See the pkg-config man page for more details."

"checking for wx-config... no
configure: WARNING: wxWidgets can't be found. You can try --with-wx=DIR to
give the right path to wx-config. The wxWidgets terminal will not be
compiled.
checking for CAIROPANGO... yes
checking for CAIROPDF... yes
checking for CAIROEPS... yes
checking for QT... configure: WARNING:
Package requirements (Qt5Core Qt5Gui Qt5Network Qt5Svg Qt5PrintSupport)
were not met:

No package 'Qt5Core' found
No package 'Qt5Gui' found
No package 'Qt5Network' found
No package 'Qt5Svg' found
No package 'Qt5PrintSupport' found

Consider adjusting the PKG_CONFIG_PATH environment variable if you
installed software in a non-standard prefix.

Alternatively, you may set the environment variables QT_CFLAGS
and QT_LIBS to avoid the need to call pkg-config.
See the pkg-config man page for more details.

checking for QT... configure: WARNING:
Package requirements (QtCore >= 4.5 QtGui >= 4.5 QtNetwork >= 4.5 QtSvg >=
4.5) were not met:

No package 'QtCore' found
No package 'QtGui' found
No package 'QtNetwork' found
No package 'QtSvg' found

Consider adjusting the PKG_CONFIG_PATH environment variable if you
installed software in a non-standard prefix.

Alternatively, you may set the environment variables QT_CFLAGS
and QT_LIBS to avoid the need to call pkg-config.
See the pkg-config man page for more details."


"gnuplot will install the following additional materials:

  TeX files will not be installed
  PostScript prologue files: ${datarootdir}/gnuplot/5.5/PostScript/
  Help file: ${datarootdir}/gnuplot/5.5/gnuplot.gih"

I tried to link lua.pc: ln -s /usr/lib/pkgconfig/lua50.pc
 /usr/lib/pkgconfig/lua.pc (there is lua50.pc in my pkgconfig dir)
and instrall QT4, but nothing words.

Would you pls help? Many thanks.

Best,
Fujun

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