[Qt-interest] Building QT under from linux using MingW

[Stephan Rose]

MinGW is also available under linux for cross compiling. You're not restricted to only only use it from windows only.

And actually MinGW isn't that far behind.

stephan at software:~$ gcc --version
gcc (Ubuntu 4.3.3-5ubuntu4) 4.3.3

stephan at software:~$ i586-mingw32msvc-gcc --version
i586-mingw32msvc-gcc (GCC) 4.2.1-sjlj (mingw32-2)

See my response to the other person as to why I'm trying to cross compile.

 mmm,


On Windows use MinGW, on Linux use a standard GCC (which is more recent than the one in MinGW).


Why are you trying to do that?? For you is it coherent to run  -platform win32-g++ on a x11 OS?


/me don't believe it


On Tuesday 28 April 2009 17:08:00 Allen, Matthew wrote:
> Why are you trying to compile a win32-g++ version of QT on linux? That
> doesn't seem like it would work.
>
> And the windows.h file, does it actually exist on the system? Although, it
> might be part of the mingW distribution.
>
> -----Original Message-----
> From: qt-interest-bounces at trolltech.com
> [mailto:qt-interest-bounces at trolltech.com] On Behalf Of Stephan Rose Sent:
> Tuesday, April 28, 2009 10:38 AM
> To: qt-interest at trolltech.com
> Subject: [Qt-interest] Building QT under from linux using MingW
>
> Somehow I'm having trouble getting QT built via MingW from linux (works
> fine when doing it from windows).
>
> My configure statement is as follows:
>
> stephan at software:~/src/qt-x11-commercial-src-4.5.0$ ./configure -no-pch
> -no-qt3support -nomake demos -nomake examples -platform win32-g++
>
> Output from configure:
>
> Creating qmake. Please wait...
> i586-mingw32msvc-g++ -c -o project.o  -I. -Igenerators -Igenerators/unix
> -Igenerators/win32 -Igenerators/mac
> -I/home/stephan/src/qt-x11-commercial-src-4.5.0/include
> -I/home/stephan/src/qt-x11-commercial-src-4.5.0/include/QtCore
> -I/home/stephan/src/qt-x11-commercial-src-4.5.0/src/corelib/global
> -I/home/stephan/src/qt-x11-commercial-src-4.5.0/src/script -DQT_NO_PCRE
> -DQT_BUILD_QMAKE -DQT_BOOTSTRAPPED -DQT_NO_TEXTCODEC -DQT_NO_UNICODETABLES
> -DQT_NO_COMPONENT -DQT_NO_STL -DQT_NO_COMPRESS
> -I/home/stephan/src/qt-x11-commercial-src-4.5.0/mkspecs/win32-g++
> -DHAVE_QCONFIG_CPP -DQT_NO_THREAD -DQT_NO_QOBJECT -DQT_NO_GEOM_VARIANT 
> project.cpp project.cpp:60:21: error: Windows.h: No such file or directory
>
> So it's for some reason not finding the header files even though they
> exist. I've tried various ways of telling it where the header files are,
> using -I in the configure string, setting QMAKE_INCDIR in the qmake.conf,
> none of it seems to do anything.
>
> I've tried google but all references I can find about compiling QT with
> MingW is doing so from a windows environment which isn't helping me much.
>
> If it matters, running Ubuntu 9.04
>
> Has anyone ever done this before? Know what I'm doing wrong? It'd really
> help out tremendously if I could stop needing to boot into windows
> everytime I want to make a windows build of my apps.
>
> Thanks,
>
> Stephan
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-- 

Alexis Ménard
Software Engineer, Widgets Team 1
Qt Software, Nokia Norge AS, Sandakerveien 116, 0484 Oslo, Norway
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