[CMake] string replacement without external commands help (ex.sed)

[Trevor Kellaway]

Hi,

> Thank you Alan and Alexander. I am using configure_file() and 
> it's fine now except that I have trouble to get the 
> Makefile.am sed based rules to do replacement from something 
> that looks like a variabile name but that's an issue for 
> automake at gnu.org :)

Try using CONFIGURE_FILE's @ONLY option to workaround this:

"If @ONLY is specified, only variables of the form @VAR@ will be
replaces and ${VAR} will be ignored. "

 - TrevK