[Ctk-developers] mingw build failure

Dean Inglis dean.inglis at camris.ca
Thu Aug 26 19:15:56 UTC 2010 

using Qt 4.6.3, non SDK, MinGW with gcc 4.5.0

some odd things: Ive configured to build ctk shared Release but
QtMobility is built Debug:
  QtServiceFrameworkd.dll
  libQtServiceFrameworkd.a

I couldnt compile CTKCore due to

Scanning dependencies of target CTKCore
[  6%] Building CXX object 
Libs/Core/CMakeFiles/CTKCore.dir/ctkCommandLineParser
.cpp.obj
cc1plus.exe: error: unrecognized command line option "-fenable-auto-import"
mingw32-make[5]: *** 
[Libs/Core/CMakeFiles/CTKCore.dir/ctkCommandLineParser.cpp.
obj] Error 1
mingw32-make[4]: *** [Libs/Core/CMakeFiles/CTKCore.dir/all] Error 2
mingw32-make[3]: *** [all] Error 2
mingw32-make[2]: *** [CMakeExternals/Stamp/CTK-build/CTK-build-build] Error 
2
mingw32-make[1]: *** [CMakeFiles/CTK-build.dir/all] Error 2
mingw32-make: *** [all] Error 2

according to, for example
http://old.nabble.com/link-error---enable-auto-imports-for-details-td20734348.html
http://www.cygwin.com/ml/cygwin/2009-06/msg00183.html

one can
  SET(cflags "-Wl,--enable-auto-import ${cflags}")

but that didnt work. so in ctk root CmakeLists I commented out
 # IF(MINGW)
    # suppress warnings about auto imported symbols
 #   SET(cflags "--enable-auto-import ${cflags}")
 # ENDIF()

and I can build CTK-Build: libCTKCore.dll, CTKCoreCppTests.exe, 
libCTKPluginFramework.dll,
CTKPluginFrameworkCppTests.exe, liborg_commontk_eventbus.dll

but get warnings like:

Info: resolving ___stack_chk_guard by linking to __imp____stack_chk_guard 
(auto-
import)
c:/mingw/bin/../lib/gcc/mingw32/4.5.0/../../../../mingw32/bin/ld.exe: 
warning: a
uto-importing has been activated without --enable-auto-import specified on 
the c
ommand line.
This should work unless it involves constant data structures referencing 
symbols
 from auto-imported DLLs.

currently trying to build VTK components (didnt realize ctk build would git 
clone
vtk instead of using the one I already have!!!) ... ill keep you posted

Dean


> Hi,
>
> with these three commits CTK builds on MinGW (I used the Qt SDK 2010.04 
> which has Qt 4.6.3 and MinGW with gcc 4.4.0):
>
> http://github.com/commontk/CTK/commit/dd6b7964a4aac713903ac677868b12593d2b5d53
> http://github.com/commontk/CTK/commit/8d7e2cc1537be3299be35411c6421f431d257f08
> http://github.com/commontk/CTK/commit/171e2c2bbf829da538bf0e36d4e3a1ac00860b12
>
> However, vtklibxml2 seems to have some troubles compiling, so the VTK 
> dependent parts of CTK still require some work.
>
> Best,
> Sascha
>
>
> On 08/23/2010 01:18 AM, Dean Inglis wrote:
>> thanks Sascha, looking forward to getting a bit further along. 
>> QtMobility
>> now
>> builds out of the box.
>>
>> I updated my mingw install with mingw from
>> http://tdm-gcc.tdragon.net/download
>> to get a more up to date gcc compiler (4.5.0) and that fixed the initial
>> compiler flag issues discussed at the beginning of this thread.
>>
>> Can CTK be built in shared release configuration or are there some
>> configuration restrictions?  If so, are there additional configuration
>> restrictions
>> on Qt, VTK etc.?
>>
>> best regards,
>> Dean
>>
>>
>>
>>> Hi Dean,
>>>
>>> commit
>>> http://github.com/commontk/CTK/commit/713b8883a9a4ec6c38d093367e99c13eb4d7a6ab
>>> will fix your QtMobility build issue. With commit
>>> http://github.com/commontk/CTK/commit/e87fe1533d06a96e0fd0df0a19635573cd6b5981
>>> the CTK compiler flags will also work on MinGW systems.
>>>
>>> You will still get unresolved references during linking of CTKCore (in
>>> Log4Qt) which probably is due to a wrong linking order (Log4Qt is a 
>>> static
>>> library, listed at the end of the linker command line). I will try and 
>>> fix
>>> it in the next week.
>>>
>>> Best,
>>> Sascha
>>>
>>> Am 21.08.2010 00:04, schrieb Dean Inglis:
>>>
>>>> Hi Julien,
>>>>
>>>> thanks for the suggestions.  Im using the latest stable release for 
>>>> MinGW
>>>> and to
>>>> gcc that comes with is all there is aFAIK.  In CTK root CMakeLists.txt,
>>>> I commented out
>>>>
>>>> #-----------------------------------------------------------------------------
>>>> # Set symbol visibility Flags
>>>> #
>>>> #IF("${CMAKE_CXX_COMPILER_ID}" STREQUAL "GNU")
>>>> #  SET(VISIBILITY_CXX_FLAGS
>>>> "-fvisibility=hidden -fvisibility-inlines-hidden")
>>>> #ENDIF()
>>>>
>>>> and removed -Wstrict-null-sentinel
>>>>
>>>> IF("${CMAKE_CXX_COMPILER_ID}" STREQUAL "GNU")
>>>>     SET(cflags
>>>> "-Wall -Wextra -Wpointer-arith -Winvalid-pch -Wcast-align -Wwrite-strings
>>>>   -D_FORTIFY_SOURCE=2")
>>>>     ctkFunctionCheckCompilerFlags("-fdiagnostics-show-option" cflags)
>>>>     ctkFunctionCheckCompilerFlags("-fstack-protector-all" cflags)
>>>>     SET(CTK_C_FLAGS "${cflags} ${CTK_C_FLAGS}")
>>>> #  SET(CTK_CXX_FLAGS
>>>> "${cflags} -Woverloaded-virtual -Wold-style-cast -Wstrict-null-sentinel 
>>>>  -Wsign-promo
>>>> ${CTK_CXX_FLAGS}")
>>>>     SET(CTK_CXX_FLAGS
>>>> "${cflags} -Woverloaded-virtual -Wold-style-cast -Wsign-promo
>>>> ${CTK_CXX_FLAGS}")
>>>> ENDIF()
>>>>
>>>> Now Im getting the following linking errors:
>>>>
>>>> [ 83%] Performing build step for 'CTK-build'
>>>> Linking CXX shared library ..\..\bin\libCTKCore.dll
>>>> D:\Developer\Releases\MinGW\SHARED\ctk\CMakeExternals\Install\lib\libLog4Qt.a(ba
>>>> sicconfigurator.cpp.obj):basicconfigurator.cpp:(.text+0xc5): undefined
>>>> reference
>>>>    to `_imp___ZN7QString17fromLatin1_helperEPKci'
>>>> D:\Developer\Releases\MinGW\SHARED\ctk\CMakeExternals\Install\lib\libLog4Qt.a(ba
>>>> sicconfigurator.cpp.obj):basicconfigurator.cpp:(.text+0x146): undefined
>>>> referenc
>>>> e to `_imp___ZN7QString17fromLatin1_helperEPKci'
>>>> D:\Developer\Releases\MinGW\SHARED\ctk\CMakeExternals\Install\lib\libLog4Qt.a(ba
>>>> sicconfigurator.cpp.obj):basicconfigurator.cpp:(.text+0x216): undefined
>>>> referenc
>>>> e to `_imp___ZN7QString17fromLatin1_helperEPKci'
>>>> D:\Developer\Releases\MinGW\SHARED\ctk\CMakeExternals\Install\lib\libLog4Qt.a(ba
>>>> sicconfigurator.cpp.obj):basicconfigurator.cpp:(.text+0x23f): undefined
>>>> referenc
>>>> e to `_imp___ZN7QObject13setObjectNameERK7QString'
>>>> D:\Developer\Releases\MinGW\SHARED\ctk\CMakeExternals\Install\lib\libLog4Qt.a(ba
>>>> sicconfigurator.cpp.obj):basicconfigurator.cpp:(.text+0x2e6): undefined
>>>> referenc
>>>> e to `_imp___ZN7QString17fromLatin1_helperEPKci'
>>>> D:\Developer\Releases\MinGW\SHARED\ctk\CMakeExternals\Install\lib\libLog4Qt.a(ba
>>>> sicconfigurator.cpp.obj):basicconfigurator.cpp:(.text+0x390): undefined
>>>> referenc
>>>> e to `_imp___ZN7QString17fromLatin1_helperEPKci'
>>>> D:\Developer\Releases\MinGW\SHARED\ctk\CMakeExternals\Install\lib\libLog4Qt.a(ba
>>>> sicconfigurator.cpp.obj):basicconfigurator.cpp:(.text+0x5c5): undefined
>>>> referenc
>>>> e to `_imp___ZN6QMutex6unlockEv'
>>>> D:\Developer\Releases\MinGW\SHARED\ctk\CMakeExternals\Install\lib\libLog4Qt.a(ba
>>>> sicconfigurator.cpp.obj):basicconfigurator.cpp:(.text+0x708): undefined
>>>> referenc
>>>> e to `_imp___ZN6QMutex4lockEv'
>>>> D:\Developer\Releases\MinGW\SHARED\ctk\CMakeExternals\Install\lib\libLog4Qt.a(ba
>>>> sicconfigurator.cpp.obj):basicconfigurator.cpp:(.text+0x71f): undefined
>>>> referenc
>>>> e to `_imp___ZN6QMutex6unlockEv'
>>>> D:\Developer\Releases\MinGW\SHARED\ctk\CMakeExternals\Install\lib\libLog4Qt.a(lo
>>>> gger.cpp.obj):logger.cpp:(.text+0x63): undefined reference to
>>>> `_imp___ZN14QReadW
>>>> riteLock6unlockEv'
>>>> D:\Developer\Releases\MinGW\SHARED\ctk\CMakeExternals\Install\lib\libLog4Qt.a(lo
>>>> gger.cpp.obj):logger.cpp:(.text+0x7c): undefined reference to
>>>> `_imp___ZN14QReadW
>>>> riteLock11lockForReadEv'
>>>> D:\Developer\Releases\MinGW\SHARED\ctk\CMakeExternals\Install\lib\libLog4Qt.a(lo
>>>> gger.cpp.obj):logger.cpp:(.text+0x149): undefined reference to
>>>> `_imp___ZN7QStrin
>>>> g17fromLatin1_helperEPKci'
>>>> D:\Developer\Releases\MinGW\SHARED\ctk\CMakeExternals\Install\lib\libLog4Qt.a(lo
>>>> gger.cpp.obj):logger.cpp:(.text+0xcea): undefined reference to
>>>> `_imp___ZN14QRead
>>>> WriteLock11lockForReadEv'
>>>> D:\Developer\Releases\MinGW\SHARED\ctk\CMakeExternals\Install\lib\libLog4Qt.a(lo
>>>> gger.cpp.obj):logger.cpp:(.text+0xd6f): undefined reference to
>>>> `_imp___ZN14QRead
>>>> WriteLock6unlockEv'
>>>> D:\Developer\Releases\MinGW\SHARED\ctk\CMakeExternals\Install\lib\libLog4Qt.a(lo
>>>> gger.cpp.obj):logger.cpp:(.text+0xe85): undefined reference to
>>>> `_imp___ZN14QRead
>>>> WriteLock6unlockEv'
>>>> D:\Developer\Releases\MinGW\SHARED\ctk\CMakeExternals\Install\lib\libLog4Qt.a(lo
>>>> gger.cpp.obj):logger.cpp:(.text+0x160d): undefined reference to
>>>> `_imp___ZN14QRea
>>>> dWriteLock11lockForReadEv'
>>>> D:\Developer\Releases\MinGW\SHARED\ctk\CMakeExternals\Install\lib\libLog4Qt.a(lo
>>>> gger.cpp.obj):logger.cpp:(.text+0x1648): undefined reference to
>>>> `_imp___ZN14QRea
>>>> dWriteLock6unlockEv'
>>>> D:\Developer\Releases\MinGW\SHARED\ctk\CMakeExternals\Install\lib\libLog4Qt.a(lo
>>>> gger.cpp.obj):logger.cpp:(.text+0x1712): undefined reference to
>>>> `_imp___ZN14QRea
>>>> dWriteLockC1ENS_13RecursionModeE'
>>>>
>>>> etc etc etc
>>>>
>>>> D:\Developer\Releases\MinGW\SHARED\ctk\CMakeExternals\Install\lib\libLog4Qt.a(mo
>>>> c_rollingfileappender.cxx.obj):moc_rollingfileappender.cxx:(.text+0x388):
>>>> undefi
>>>> ned reference to `_imp___ZN6QMutex4lockEv'
>>>> D:\Developer\Releases\MinGW\SHARED\ctk\CMakeExternals\Install\lib\libLog4Qt.a(mo
>>>> c_rollingfileappender.cxx.obj):moc_rollingfileappender.cxx:(.text+0x3a3):
>>>> undefi
>>>> ned reference to `_imp___ZN6QMutex6unlockEv'
>>>> D:\Developer\Releases\MinGW\SHARED\ctk\CMakeExternals\Install\lib\libLog4Qt.a(mo
>>>> c_rollingfileappender.cxx.obj):moc_rollingfileappender.cxx:(.text+0x3f0):
>>>> undefi
>>>> ned reference to `_imp___ZN6QMutex4lockEv'
>>>> D:\Developer\Releases\MinGW\SHARED\ctk\CMakeExternals\Install\lib\libLog4Qt.a(mo
>>>> c_rollingfileappender.cxx.obj):moc_rollingfileappender.cxx:(.text+0x40d):
>>>> undefi
>>>> ned reference to `_imp___ZN6QMutex4lockEv'
>>>> D:\Developer\Releases\MinGW\SHARED\ctk\CMakeExternals\Install\lib\libLog4Qt.a(mo
>>>> c_rollingfileappender.cxx.obj):moc_rollingfileappender.cxx:(.text+0x428):
>>>> undefi
>>>> ned reference to `_imp___ZN6QMutex6unlockEv'
>>>> D:\Developer\Releases\MinGW\SHARED\ctk\CMakeExternals\Install\lib\libLog4Qt.a(mo
>>>> c_fileappender.cxx.obj):moc_fileappender.cxx:(.text+0x1f6): undefined
>>>> reference
>>>> to `_imp___ZN6QMutex6unlockEv'
>>>> D:\Developer\Releases\MinGW\SHARED\ctk\CMakeExternals\Install\lib\libLog4Qt.a(mo
>>>> c_fileappender.cxx.obj):moc_fileappender.cxx:(.text+0x323): undefined
>>>> reference
>>>> to `_imp___ZN6QMutex4lockEv'
>>>> D:\Developer\Releases\MinGW\SHARED\ctk\CMakeExternals\Install\lib\libLog4Qt.a(mo
>>>> c_fileappender.cxx.obj):moc_fileappender.cxx:(.text+0x347): undefined
>>>> reference
>>>> to `_imp___ZN6QMutex6unlockEv'
>>>> D:\Developer\Releases\MinGW\SHARED\ctk\CMakeExternals\Install\lib\libLog4Qt.a(mo
>>>> c_fileappender.cxx.obj):moc_fileappender.cxx:(.text+0x35b): undefined
>>>> reference
>>>> to `_imp___ZN6QMutex4lockEv'
>>>> D:\Developer\Releases\MinGW\SHARED\ctk\CMakeExternals\Install\lib\libLog4Qt.a(mo
>>>> c_fileappender.cxx.obj):moc_fileappender.cxx:(.text+0x379): undefined
>>>> reference
>>>> to `_imp___ZN6QMutex6unlockEv'
>>>> D:\Developer\Releases\MinGW\SHARED\ctk\CMakeExternals\Install\lib\libLog4Qt.a(mo
>>>> c_dailyrollingfileappender.cxx.obj):moc_dailyrollingfileappender.cxx:(.text+0x24
>>>> 8): undefined reference to `_imp___ZN6QMutex6unlockEv'
>>>> D:\Developer\Releases\MinGW\SHARED\ctk\CMakeExternals\Install\lib\libLog4Qt.a(mo
>>>> c_dailyrollingfileappender.cxx.obj):moc_dailyrollingfileappender.cxx:(.text+0x26
>>>> 8): undefined reference to `_imp___ZN6QMutex4lockEv'
>>>> D:\Developer\Releases\MinGW\SHARED\ctk\CMakeExternals\Install\lib\libLog4Qt.a(mo
>>>> c_dailyrollingfileappender.cxx.obj):moc_dailyrollingfileappender.cxx:(.text+0x29
>>>> 2): undefined reference to `_imp___ZN6QMutex6unlockEv'
>>>> D:\Developer\Releases\MinGW\SHARED\ctk\CMakeExternals\Install\lib\libLog4Qt.a(mo
>>>> c_dailyrollingfileappender.cxx.obj):moc_dailyrollingfileappender.cxx:(.text+0x2e
>>>> f): undefined reference to `_imp___ZN6QMutex4lockEv'
>>>> D:\Developer\Releases\MinGW\SHARED\ctk\CMakeExternals\Install\lib\libLog4Qt.a(mo
>>>> c_dailyrollingfileappender.cxx.obj):moc_dailyrollingfileappender.cxx:(.text+0x31
>>>> 1): undefined reference to `_imp___ZN6QMutex6unlockEv'
>>>> collect2: ld returned 1 exit status
>>>> mingw32-make[5]: *** [bin/libCTKCore.dll] Error 1
>>>> mingw32-make[4]: *** [Libs/Core/CMakeFiles/CTKCore.dir/all] Error 2
>>>> mingw32-make[3]: *** [all] Error 2
>>>> mingw32-make[2]: *** [CMakeExternals/Stamp/CTK-build/CTK-build-build]
>>>> Error
>>>> 2
>>>> mingw32-make[1]: *** [CMakeFiles/CTK-build.dir/all] Error 2
>>>> mingw32-make: *** [all] Error 2
>>>>
>>>> Also, what is the correct fix/workaround  for getting QtMobility to
>>>> properly
>>>> compile without modifying cmake's generated build.make?
>>>>
>>>> thanks,
>>>> Dean
>>>>
>>>>
>>>>
>>>>> Hi Dean, glad to hear you're giving a shot with CTK.
>>>>>
>>>>> The flags the compiler is complaining about are supported from gcc 
>>>>> 4.0.
>>>>> You
>>>>> might want to update your gcc compiler.
>>>>>
>>>>> However, there are some other workarounds, you can remove them when
>>>>> configuring CTK (check the options CTK_CXX_FLAGS and
>>>>> VISIBILITY_CXX_FLAGS)
>>>>> All these flags are automatically set in CTK/CMakeLists.txt, if we 
>>>>> want
>>>>> to
>>>>> support "old" gcc compilers, then we should probably make sure they 
>>>>> are
>>>>> supported using  ctkFunctionCheckCompilerFlags()
>>>>>
>>>>> Let us know if you have more feedbacks. Feel free to post a patch with
>>>>> all
>>>>> the changes you needed to add to have it working.
>>>>>
>>>>> Thanks,
>>>>> Julien.
>>>>>
>>>>> On Fri, Aug 20, 2010 at 11:42 AM, Dean Inglis<dean.inglis at camris.ca>
>>>>> wrote:
>>>>>
>>>>>
>>>>>
>>>>>> Hi,
>>>>>>
>>>>>> I'm new to CTK and have been trying to get things going on Win32 
>>>>>> Vista
>>>>>> with MinGW and CMake 2.8.1.  Ive compiled Qt 4.6.3 shared release and
>>>>>> debug
>>>>>> (because
>>>>>> QtMobility would not compile with just a release build of Qt) and VTK
>>>>>> 5.7
>>>>>> shared release
>>>>>> but Im running into a snag with QtMobility:
>>>>>>
>>>>>> D:\Developer\Releases\MinGW\SHARED\ctk>mingw32-make
>>>>>> Scanning dependencies of target QtMobility
>>>>>> [  0%] Creating directories for 'QtMobility'
>>>>>> [  0%] Performing download step (extract) for 'QtMobility'
>>>>>> -- extracting...
>>>>>>
>>>>>>
>>>>>> src='D:/Developer/Sources/CTK/Utilities/QtMobility/qt-mobility-servicefw-op
>>>>>> ensource-src-1.0.0.tar.gz'
>>>>>>
>>>>>>
>>>>>> dst='D:/Developer/Releases/MinGW/SHARED/ctk/CMakeExternals/Source/QtMobilit
>>>>>> y'
>>>>>> -- extracting... [tar xfz]
>>>>>> -- extracting... [analysis]
>>>>>> -- extracting... [copy]
>>>>>> -- extracting... [clean up]
>>>>>> -- extracting... done
>>>>>> [  0%] Performing patch step for 'QtMobility'
>>>>>> [  0%] No update step for 'QtMobility'
>>>>>> [  0%] Performing configure step for 'QtMobility'
>>>>>> Checking selected modules:
>>>>>>     ServiceFramework selected
>>>>>> D:\Developer\Releases\MinGW\SHARED\ctk\CMakeExternals\Source\QtMobility
>>>>>> Checking available Qt
>>>>>> 4.6.3
>>>>>> Checking make
>>>>>> ... mingw32-make found.
>>>>>>
>>>>>> Start of compile tests
>>>>>> End of compile tests
>>>>>>
>>>>>>
>>>>>> The file cannot be copied onto itself.
>>>>>>         0 file(s) copied.
>>>>>> Generating Mobility Headers...
>>>>>> The system cannot find the file specified.
>>>>>> Create header
>>>>>> D:\Developer\Releases\MinGW\SHARED\ctk\CMakeExternals\Source\QtMob
>>>>>> ility\include/QAbstractSecuritySession
>>>>>> Create header
>>>>>> D:\Developer\Releases\MinGW\SHARED\ctk\CMakeExternals\Source\QtMob
>>>>>> ility\include/QServiceContext
>>>>>> Create header
>>>>>> D:\Developer\Releases\MinGW\SHARED\ctk\CMakeExternals\Source\QtMob
>>>>>> ility\include/QServiceFilter
>>>>>> Create header
>>>>>> D:\Developer\Releases\MinGW\SHARED\ctk\CMakeExternals\Source\QtMob
>>>>>> ility\include/QServiceInterfaceDescriptor
>>>>>> Create header
>>>>>> D:\Developer\Releases\MinGW\SHARED\ctk\CMakeExternals\Source\QtMob
>>>>>> ility\include/QServiceManager
>>>>>> Create header
>>>>>> D:\Developer\Releases\MinGW\SHARED\ctk\CMakeExternals\Source\QtMob
>>>>>> ility\include/QServicePluginInterface
>>>>>>
>>>>>> Running qmake...
>>>>>> Reading
>>>>>> D:/Developer/Releases/MinGW/SHARED/ctk/CMakeExternals/Source/QtMobility/
>>>>>> src/src.pro
>>>>>> Reading
>>>>>> D:/Developer/Releases/MinGW/SHARED/ctk/CMakeExternals/Source/QtMobility
>>>>>> /src/global/global.pro
>>>>>> Reading
>>>>>> D:/Developer/Releases/MinGW/SHARED/ctk/CMakeExternals/Source/QtMobility
>>>>>> /src/serviceframework/serviceframework.pro
>>>>>> Reading
>>>>>> D:/Developer/Releases/MinGW/SHARED/ctk/CMakeExternals/Source/QtMobility/
>>>>>> tools/tools.pro
>>>>>> Reading
>>>>>> D:/Developer/Releases/MinGW/SHARED/ctk/CMakeExternals/Source/QtMobility
>>>>>> /tools/servicefw/servicefw.pro
>>>>>> Reading
>>>>>> D:/Developer/Releases/MinGW/SHARED/ctk/CMakeExternals/Source/QtMobility
>>>>>> /tools/servicexmlgen/servicexmlgen.pro
>>>>>> Reading
>>>>>> D:/Developer/Releases/MinGW/SHARED/ctk/CMakeExternals/Source/QtMobility
>>>>>> /tools/icheck/icheck.pro
>>>>>>
>>>>>> configure has finished. You may run mingw32-make to build the project
>>>>>> now.
>>>>>> [  0%] Performing build step for 'QtMobility'
>>>>>> 'make' is not recognized as an internal or external command,
>>>>>> operable program or batch file.
>>>>>> mingw32-make[2]: *** 
>>>>>> [CMakeExternals/Stamp/QtMobility/QtMobility-build]
>>>>>> Error 1
>>>>>> mingw32-make[1]: *** [CMakeFiles/QtMobility.dir/all] Error 2
>>>>>> mingw32-make: *** [all] Error 2
>>>>>>
>>>>>>
>>>>>> I have in my ctk build directory ctk/CMakeFiles/QtMobility.dir a
>>>>>> build.make
>>>>>> file with
>>>>>> "make" instead of "mingw32-make":
>>>>>>
>>>>>> CMakeExternals/Stamp/QtMobility/QtMobility-build:
>>>>>> CMakeExternals/Stamp/QtMobility/QtMobility-configure
>>>>>> $(CMAKE_COMMAND) -E cmake_progress_report
>>>>>> D:\Developer\Releases\MinGW\SHARED\ctk\CMakeFiles $(CMAKE_PROGRESS_8)
>>>>>> @$(CMAKE_COMMAND) -E cmake_echo_color --switch=$(COLOR) --blue --bold
>>>>>> "Performing build step for 'QtMobility'"
>>>>>> cd
>>>>>> D:\Developer\Releases\MinGW\SHARED\ctk\CMakeExternals\Source\QtMobility
>>>>>> &&   make<----------------------------*
>>>>>> cd
>>>>>> D:\Developer\Releases\MinGW\SHARED\ctk\CMakeExternals\Source\QtMobility
>>>>>> &&   "C:\Program Files\CMake 2.8\bin\cmake.exe" -E touch
>>>>>>
>>>>>> D:/Developer/Releases/MinGW/SHARED/ctk/CMakeExternals/Stamp/QtMobility/QtMobility-build
>>>>>>
>>>>>> and "make install" instead of "mingw32-make install":
>>>>>>
>>>>>> CMakeExternals/Stamp/QtMobility/QtMobility-install:
>>>>>> CMakeExternals/Stamp/QtMobility/QtMobility-build
>>>>>> $(CMAKE_COMMAND) -E cmake_progress_report
>>>>>> D:\Developer\Releases\MinGW\SHARED\ctk\CMakeFiles $(CMAKE_PROGRESS_2)
>>>>>> @$(CMAKE_COMMAND) -E cmake_echo_color --switch=$(COLOR) --blue --bold
>>>>>> "Performing install step for 'QtMobility'"
>>>>>> cd
>>>>>> D:\Developer\Releases\MinGW\SHARED\ctk\CMakeExternals\Source\QtMobility
>>>>>> &&   make install<-----------------------*
>>>>>> cd
>>>>>> D:\Developer\Releases\MinGW\SHARED\ctk\CMakeExternals\Source\QtMobility
>>>>>> &&   "C:\Program Files\CMake 2.8\bin\cmake.exe" -E touch
>>>>>>
>>>>>> D:/Developer/Releases/MinGW/SHARED/ctk/CMakeExternals/Stamp/QtMobility/QtMobility-install
>>>>>>
>>>>>>
>>>>>> I manually edited build.make and QtMobility proceeded to build. 
>>>>>> Log4Qt
>>>>>> built without problems, but then I run into
>>>>>>
>>>>>> Scanning dependencies of target CTKCore
>>>>>> [  6%] Building CXX object
>>>>>> Libs/Core/CMakeFiles/CTKCore.dir/ctkCommandLineParser
>>>>>> .cpp.obj
>>>>>> cc1plus.exe: error: unrecognized command line option
>>>>>> "-Wstrict-null-sentinel"
>>>>>> cc1plus.exe: error: unrecognized command line option
>>>>>> "-fvisibility=hidden"
>>>>>> cc1plus.exe: error: unrecognized command line option
>>>>>> "-fvisibility-inlines-hidde
>>>>>> n"
>>>>>> mingw32-make[5]: ***
>>>>>> [Libs/Core/CMakeFiles/CTKCore.dir/ctkCommandLineParser.cpp.
>>>>>> obj] Error 1
>>>>>> mingw32-make[4]: *** [Libs/Core/CMakeFiles/CTKCore.dir/all] Error 2
>>>>>> mingw32-make[3]: *** [all] Error 2
>>>>>> mingw32-make[2]: *** [CMakeExternals/Stamp/CTK-build/CTK-build-build]
>>>>>> Error
>>>>>> 2
>>>>>> mingw32-make[1]: *** [CMakeFiles/CTK-build.dir/all] Error 2
>>>>>> mingw32-make: *** [all] Error 2
>>>>>>
>>>>>> the command line options appear in a number of flags.make files which
>>>>>> cannot
>>>>>> be edited since cmake
>>>>>> overwrites them with every call to mingw32-make.
>>>>>>
>>>>>> Id really like to try out CTK and hopefully contribute as our company
>>>>>> would
>>>>>> like to switch
>>>>>> from KWWidgets to Qt.
>>>>>>
>>>>>> regards,
>>>>>> Dean
>>>>>>
>>>>>> _______________________________________________
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>>>>>>
>>>>>>
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>>>>>
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