[cmake-developers] Generating files at generate-time

[Stephen Kelly]

Alexander Neundorf wrote:

> On Tuesday 23 April 2013, Stephen Kelly wrote:
>> Hi,
>> 
>> as 2.8.11 will be out soon, I'm returning to some pending features I'd
>> like to get in early in the next release.
>> 
>> I've pushed the genex-evaluate-file branch to my clone. It implements the
>> file(EVALUATE) subcommand, which evaluates an input file containing
>> generator expressions and writes the result to an output file:
>> 
>>  file(EVALUATE "${CMAKE_CURRENT_SOURCE_DIR}/input.txt"
>>                "${CMAKE_CURRENT_BINARY_DIR}/output.txt"
>>  )
> 
> 
> is this somehow similar to configure_file() ?
> If so, maybe it could also be a subcommand of that ?

I don't think it should be a subcommand of that. It doesn't use the same 
syntax (@syntax@ versus generator expressions), and it is evaluated at 
generate-time, not configure-time, so it's not really similar.

Thanks,

Steve.