[CMake-Promote] a ./configure shell script stub

[William A. Hoffman]

At 07:43 PM 5/28/2006, Brandon J. Van Every wrote:


>>That is where it gets hard, because cmake has to be
>>run before you can figure out what the options are.   That is why I suggested creating
>>an options file.  It is not perfect because it could get out of date with the true
>>options for the project.   But, it would give people a way to document a project and
>>have a better command line.
>>
>>cmake --help ../path/to/source
>>This would read CMakeCommandLineOptions.cmake, and print out the options found in the
>>file.
>>  
>
>What is the motive for making it separate from CMakeLists.txt?
Because you have to parse the entire CMakeLists.txt tree, create a CMakeCache
before you could implement --help.  And, even then, there is currently no way
to map a cmake variable like CMAKE_INSTALL_PREFIX to some command line option
like --prefix.

-Bill