Thank you, James and AM.

Now James: studying your link, the solution over there instructs one to make sure that setup.h from wxWidgets-2.9.4_Headers exists in 

WxWidgets\include\msvc\wx.
In my case, setup.h is there, so this apparently is not the problem.

AM: studying the bug reports you quote, they discuss mingw32-make.exe. My DWIM Perl installation (v 5.14.2) does not contain mingw32-make.exe. And indeed the error messages do not mention mingw32-make.exe. Instead, the relevant error messages are, in my opinion:

...
...
make (e=2): The system cannot find the file specified.
gmake: [gcc_mswudll] Error 2 (ignored)
...
make (e=2): The system cannot find the file specified.
gmake: *** [..\..\lib\gcc_dll] Error 2

[download]

So it seems that it's looking for the files: gcc_mswudll and gcc_dll (or gcc_mswu.dll and gcc.dll?), which don't exist at my installation.

Now I happened to hit this on the NET:
www.nntp.perl.org/group/perl.wxperl.users/2013/02/msg8839.html , where Mark Dootson says: 

5.14.2.1 (November 2011) as included with DWIM Perl contains a gcc tool chain that is not compatible with Wx / wxWidgets 2.9.x builds
So is the situation calling for an update to the Perl version? (to Strawberry Perl 5.16.x)?

Many thanks for your dedication; and TIA - Helen

In reply to Is the situation calling for an update to the Perl version? by HelenCr
in thread Build of Alien::wxWidgets failing: help by HelenCr

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