[CMake] CMakeCache parse errors from line breaks

[Zbyněk Novotný]

Hello Rolf,

that indeed did the trick. How could I have missed that parameter?

Thanks so very much for your helpful _and fast_ reply. Much appreciated.

Cheers, Zbynek.

> ------------ Původní zpráva ------------
> Od: Rolf Eike Beer <eike at sf-mail.de>
> Předmět: Re: [CMake] CMakeCache parse errors from line breaks
> Datum: 18.1.2012 11:01:15
> ----------------------------------------
> > Hello all,
> >
> > I'm suffering from the issue described below.
> >
> > I have created a script designed for use with CMake's find_package
> > functionality, essentially following the steps outlined here:
> >
> > http://www.vtk.org/Wiki/CMake:How_To_Find_Libraries#Writing_find_modules
> >
> > In my case, I use execute_process to call an external application three
> > times in order to obtain various compiler flag values it prints on stdout,
> > storing the result of each call in separate variable. So far so good.
> >
> > The issue arises when I use the find_package_handle_standard_args
> > function. In the course of its processing, it calls the
> > find_package_message that adds to CMakeCache.txt this internal variable:
> >
> > FIND_PACKAGE_MESSAGE_DETAILS_Metaserver:INTERNAL=[-I/usr/include
> > ][-L/usr/lib -L/usr/lib/metaserver][/usr/lib/metaserver/handlers
> > ]
> >
> > Subsequent processing of the cache file by CMake yields the parsing error
> > I've been struggling with.
> >
> > I'm pretty sure there are no superficial newlines in the output of the app
> > I call other than those at the end of each string, but I believe that if
> > those were the issue, the second value would have had a line break at its
> > end -- just before the closing square bracket -- as well.
> 
> execute_process(... OUTPUT_STRIP_TRAILING_WHITESPACE)
> 
> HTH&HAND,
> 
> Eike
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