Can I upgrade wxWidgets from 2.8.12 to 2.9.5 by simply upgrading Alien::wxWidgets? Can Alien::wxWidgets::Utility be used to upgrade wxWidgets from 2.8.12 to 2.9.5?
No and No. Alien-wxWidgets is used to install many different versions of wxWidgets, 2.8.12 with different build options (+/-unicode, ... )
Later you reinstall Wx and you build it against a specific Alien-wxWidgets configuration, like 2.9.5, and that is how you get Wx with a specific version
If you installed something else like Wx::Scintilla , that requires compilation like Wx, depends on Wx, you'll need to recompile/reinstall that too
You don't want to bother with this, its just busy work, install citursperl, or install from ppm (if you can)
Can the Citrus Perl installation/distribution manager utility, be used with Strawberry Perl/DWIM Perl?
Yes. Citrusperl is a zipfile, you unzip it, you run relocateperl or citrusutils, and thats it. Then you call citrusvars.bat to make it first perl in path, or citrusterm.bat to start a new cmd.exe window with citrusperl first in path, or just call perl.exe directly
start citrusutils and install the Wx 2.9.x Development Release Bundle, it will remove the 2.8.x install
when you're finished with your program read http://www.citrusperl.com/helpweb/createdistribution.htm