[CMake] FindQt3.cmake bug - does not recognize uic

[Anka Kochanowska]

Hi!
Just to let you know - in cmake 2.6 it works perfectly again:-)
Anka

clinton at elemtech.com wrote:
> On Tuesday 27 November 2007 8:21:38 am Anka Kochanowska wrote:
>   
>> Hi!
>> I am using Qt3 (3.3.3)
>> In my CMakeList.txt I have conditionals:
>>
>> IF(QT_WRAP_UI)
>>   QT_WRAP_UI( Basic IGNS_BASIC_HDR IGNS_BASIC_SRC ${IGNS_BASIC_GUI_SRC} )
>> ENDIF(QT_WRAP_UI)
>>
>> This used to work still in CMake 2.4 patch 3. Since themn, the
>> FindQt3.cmake  has been changed and it does not
>> recognize uic.
>>
>>
>> There is a problem with the following code:
>>
>> EXEC_PROGRAM(${QT_UIC_EXECUTABLE} ARGS "-version" OUTPUT_VARIABLE
>> QTVERSION_UI)
>>
>> in my case  QTVERSION_UI  is:    User Interface Compiler for Qt version
>> 3.3.3
>>
>> The following test:
>> SET(_QT_UIC_VERSION_3 FALSE)
>> IF("${QTVERSION_UIC}" MATCHES ".* 3..*")
>>   SET(_QT_UIC_VERSION_3 TRUE)
>> ENDIF("${QTVERSION_UIC}" MATCHES ".* 3..*")
>>
>> sets QT_UIC_VERSION_3 to FALSE
>>
>> which causes the
>> SET(QT_WRAP_UI FALSE)
>> IF (QT_UIC_EXECUTABLE)
>>   IF(_QT_UIC_VERSION_3)
>>     SET ( QT_WRAP_UI TRUE)
>>   ENDIF(_QT_UIC_VERSION_3)
>> ENDIF (QT_UIC_EXECUTABLE)
>>
>> returning QT_WRAP_UI as FALSE
>>
>> I do not know how to set the regex in order to find 3 in  the version
>> return by uic. I tried differnt things and miserably failed.
>>
>> Could anyone help, please?
>>
>> I have seen quite few postings about QT_WRAP_UI failure and the
>> suggestions were either to drop the condition or to manually run uic!!!!
>>     
>
> I'm unable to reproduce this.  Do you have a simple CMakeLists.txt file that 
> you can reproduce this with?
>
> I'm also curious why you conditionally run uic.  Wouldn't your project fail to 
> build without that?  Do you really want IF(QT_FOUND) instead?
>
> Clint
>
>