[CMake] CMAKE_INSTALL_PREFIX_INITIALIZED_TO_DEFAULT returns false when expected true

[John Drescher]

On Mon, Dec 14, 2009 at 12:16 PM, Tyler Roscoe <tyler at cryptio.net> wrote:
> On Mon, Dec 14, 2009 at 12:07:33PM -0500, John Drescher wrote:
>> SET (DEFAULT_INSTALL_PATH ${PGM_FILES}/UPMC/${CMAKE_PROJECT_NAME}
>> CACHE STRING "Default Install Path")
>>
>> if (CMAKE_INSTALL_PREFIX_INITIALIZED_TO_DEFAULT)
>>    set (CMAKE_INSTALL_PREFIX ${DEFAULT_INSTALL_PATH} CACHE STRING
>> "Install path" FORCE)
>>    message("CMAKE_INSTALL_PREFIX Initialized to default setting to "
>> ${DEFAULT_INSTALL_PATH})
>> else (CMAKE_INSTALL_PREFIX_INITIALIZED_TO_DEFAULT)
>>    message("CMAKE_INSTALL_PREFIX not Initialized to default keeping "
>> ${CMAKE_INSTALL_PREFIX})
>> endif (CMAKE_INSTALL_PREFIX_INITIALIZED_TO_DEFAULT)
>>
>> ENDIF(WIN32)
>>
>> The expected value for the QtBasicUtils project is if the user did not
>> change CMAKE_INSTALL_PREFIX the path should be
>> C:/Program Files (x86)/UPMC/QtBasicUtils
>>
>> on 64 bit systems or
>>
>> C:/Program Files/UPMC/QtBasicUtils
>>
>> on 32 bit systems
>>
>> However this is not getting set and I get the following message in my log:
>> CMAKE_INSTALL_PREFIX not Initialized to default keeping C:/Program
>> Files (x86)/QtBasicUtils
>
> Clean out your cache? Looks like your cache has CMAKE_INSTALL_PREFIX set
> to 'C:/Program Files (x86)/QtBasicUtils', which is not the default, so
> your script is behaving as it should and not clobbering the value.
>

CMAKE_INSTALL_PREFIX is not in the cache. I thought that was default
on 64 bit windows.

John