CMake: add tigervnc library

[KangLin]

Add tigervnc development library.

Usage:

• Build：

l@l:/data/tigervnc1$ mkdir build
l@l:/data/tigervnc1$ cd build
l@l:/data/tigervnc1/build$ cmake .. -DCMAKE_INSTALL_PREFIX=install
l@l:/data/tigervnc1/build$ cmake --build .

• Install

  • Only install tigervnc development library

    l@l:/data/tigervnc1/build$ cmake --install . --component Development 
    

    l@l:/data/tigervnc1/build$ ls install
    include  lib
    

  • Only install application

    l@l:/data/tigervnc1/build$ cmake --install . --component Runtime
    

    l@l:/data/tigervnc1/build$ ls install
    bin  etc  lib  libexec  sbin  share
    

  • Install all

    l@l:/data/tigervnc1/build$ cmake --install . 
    

    l@l:/data/tigervnc1/build$ ls install
    bin  etc  include  lib  libexec  sbin  share