Hello everyone,
I get this error in jenkins when I included thirft installation,
```
Could NOT find FLEX (missing: FLEX_EXECUTABLE)
Call Stack (most recent call first):
  /usr/share/cmake-3.10/Modules/FindPackageHandleStandardArgs.cmake:378 (_FPHSA_FAILURE_MESSAGE)
  /usr/share/cmake-3.10/Modules/FindFLEX.cmake:217 (FIND_PACKAGE_HANDLE_STANDARD_ARGS)
  compiler/cpp/CMakeLists.txt:32 (find_package)
``` 
in my machine the build is successful, but not in jenkins