[Pipmak-Devel] errorMessage in pipmak_platform on UNIX

[Urs H. <ur...@an...>]

In pipmak_windows.c and pipmak_macosx.m the function errorMessage
displays a Box containing the message. Don't do this on UNIX platforms!
Print the error message on the console (actually write them to the
stderr stream):

The reason why: This function is only needed for messages that occur
before the graphical console is ready. On windows you have only to call
a simple function from windows.h to display a dialogbox, which works in
nearly every situation. On UNIX you have to connect to the x-server in
order to display something like a message box. So it is a difficult and
error prone way to get the message box (unlike in windows). SDL also
connects to the x-server and initialises a window (and afterwards the
graphical console can be used). If an error occurs because the window
couldn't be initialised, trying to show a messageBox will fail too.

Anyway, UNIX users like to have error messages printed to stderr.