# Build a plugin from examples
**URL:** https://discourse.paraview.org/t/build-a-plugin-from-examples/1537
**Category:** ParaView Support
**Created:** [March 27, 2019, 10:21am UTC](https://discourse.paraview.org/t/build-a-plugin-from-examples/1537 "2019-03-27T10:21:24Z")
**Posts on this page:** 3
**Page:** 1
### Author:  [@e-kolosov](https://discourse.paraview.org/u/e-kolosov)
#### Post date: [March 27, 2019, 10:21am UTC](https://discourse.paraview.org/t/build-a-plugin-from-examples/1537/1 "2019-03-27T10:21:24Z")
Hello!
I was trying to build “MyPNGReader” plugin from ParaView examples but as a result I will have the static library “MyPNGReader.a”.
My actions:
- copy paraview/Examples/Plugins/MyPNGReader to external directory ~/projects/paraview/cpp-plugins/MyPNGReader
- create directory ~/projects/paraview/cpp-plugins/build-MyPNGReader
- cd ~/projects/paraview/cpp-plugins/build-MyPNGReader
- cmake …/MyPNGReader/ \>\> cmake.log
[cmake.log](https://discourse.paraview.org/uploads/default/original/2X/9/967c0dcdd6b0c79170c127123f296d4ec72a4267.log) (1.9 KB)
- cmake --build . \>\> build.log
[build.log](https://discourse.paraview.org/uploads/default/original/2X/b/b9772f93435371936192718ce7d1627719bf5a29.log) (735 Bytes)
How I can build a shared library (plugin)? Maybe I should set some variables to cmake?
Thanks.
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### Author:  [@mwestphal](https://discourse.paraview.org/u/mwestphal)
#### Post date: [March 27, 2019, 10:34am UTC](https://discourse.paraview.org/t/build-a-plugin-from-examples/1537/2 "2019-03-27T10:34:43Z")
You have to set the cmake var BUILD\_SHARED\_LIBS to ON.
@ben.boeckel
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### Author:  [@e-kolosov](https://discourse.paraview.org/u/e-kolosov)
#### Post date: [March 27, 2019, 11:30am UTC](https://discourse.paraview.org/t/build-a-plugin-from-examples/1537/3 "2019-03-27T11:30:27Z")
Thanks, Mathieu!