[CMake] how-to get cmake command line after running ccmake

[Darren Weber]

Yes, this is the feature that I'm looking for.  I want to use ccmake for the
initial configuration and then automatically "translate" that configuration
into an equivalent command line for cmake (all on *nix system), which I can
then put into an automated build script (sh or bash) that I can run on other
systems (via ssh, macports, etc.).

I'll try your diff suggestion James.

Thanks, Darren



On Mon, Mar 30, 2009 at 9:23 PM, James Bigler <jamesbigler at gmail.com> wrote:

> On Mon, Mar 30, 2009 at 9:27 PM, Philip Lowman <philip at yhbt.com> wrote:
>
>> On Mon, Mar 30, 2009 at 4:09 PM, Darren Weber <
>> darren.weber.lists at gmail.com> wrote:
>>
>>>
>>> Can we automatically extract an equivalent cmake command line after
>>> running ccmake?
>>>
>>> Take care, Darren
>>
>>
>> If you're using the Makefile generator you can simply type "make
>> edit_cache" in your build tree after you've initially generated.
>>
>> If this doesn't solve your problem you likely can look towards finding the
>> source directory in the CMakeCache.txt file.
>>
>
> I think he wants to run ccmake and configure things how he likes and then
> get a command line that would produce the equivalent configuration without
> ccmake (i.e. cmake -DSOMEVAR:BOOL=ON
> -DPATH_TO_SOME_EXE:PATH=/path/to/some.exe).  This way, he can configure a
> new build in one easy step.
>
> I don't believe this feature exists, though you could get something close
> by doing the following.
>
> 1. Create a build directory and run cmake <path to source>.  This is your
> default configuration.
> 2. Copy CMakeCache.txt some where safe.
> 3. Configure you system with ccmake.
> 4. Diff the old CMakeCache.txt and the new CMakeCache.txt.  The differences
> should show you a superset of the options you will need (depending on if
> some options are automatically generated when you turn others on).
>
> James
>
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