[Qt-wince-interest] OpenSSL failing to build for a Qt 4.6/WinCE 5.0 target

Andreas Unger andi.unger05 at gmail.com
Fri Jan 22 15:08:48 CET 2010


Maurice, I can't thank you enough! It works :-)

Best,
Andreas

On Fri, Jan 22, 2010 at 8:51 AM, Maurice Kalinowski <
maurice.kalinowski at nokia.com> wrote:

> Having had the chance to use my Creative Friday since a very long time,
> I checked on the status of wcecompat.
>
> Actually that breakage was introduced by a contribution I received some
> time ago. Fixed it and pushed the change. As you mentioned it was about
> different declaration in the headers. As for Windows Mobile it compiled
> perfectly fine there seems to be some internal settings involved, thus
> the fix is more like a safe way.
>
> I have not checked on openssl yet, but at least wcecompat now compiles for:
> - Windows CE 5.0 Standard SDK Mips II
> - Windows CE 5.0 Standard SDK x86
> - Windows Mobile 6 professional.
>
> So, basically it should be fine for most platforms.
>
> Best Regards,
>
> Maurice
>
> ext Andreas Unger wrote:
> > Hello Maurice,
> >
> > Thanks a lot for your comments. Indeed, my intention was to compile
> > wcecompat libs and then OpenSSL, and finally include the OpenSSL libs
> > and headers in configure command for building Qt. However I'm failing
> > at the first step (wcecompat). It might not be an path/environment
> > issue since what is happening is that  'getservbyname' is defined both
> > in Program Files (x86)\Windows CE
> > Tools\wce500\STANDARDSDK_500\include\MIPSII\winsock2.h
> > and winsock_extras.h which is the point at which the compilation fails.
> >
> > Anyway, I'll work on compiling wcecompat (I have no option, OpenSSL is
> > critical for my application :-) ) and post the results.
> >
> > Cheers,
> > Andreas
> >
> > On Fri, Jan 22, 2010 at 4:09 AM, Maurice Kalinowski
> > <maurice.kalinowski at nokia.com <mailto:maurice.kalinowski at nokia.com>>
> > wrote:
> >
> >     Hi,
> >
> >     a few comments from my side related to using OpenSSL on Windows CE
> and
> >     also in combination with Qt.
> >     First of all, it is some time ago, that I played around with OpenSSL
> >     support, at least being able to compile and run our unittests with
> >     stable results. Never the less, OpenSSL for Qt on Windows CE is not
> an
> >     official supported feature.
> >
> >     In addition, the OpenSSL version at that point in time was a
> >     rather old
> >     one, and latest versions will probably not compile on Windows CE.
> >
> >     1. You should not use wcecompat to compile Qt for Windows CE. Qt uses
> >     its own wrappers internally for missing standard functionality,
> >     and the
> >     include paths will clash with the wcecompat versions. Hence the
> >     compile
> >     errors people have mentioned on this list.
> >     2. As Nikolay pointed out, setcepaths is designed for compiling Qt
> for
> >     Windows CE. There might be paths missing in your environment and you
> >     need to adapt those manually (Eg. including the wcecompat include
> path
> >     into your environment).
> >     3. I am not sure, if I tried wcecompat on the mips platform, but
> >     definitely did not for msvc2008. In worst case things have changed in
> >     the meantime causing wcecompat to have compilation issues.
> >
> >     I cannot comment on the non-compiling wcecompat now (as that is
> >     too long
> >     away), but at least in case you got wcecompat and openssl
> >     compiling, you
> >     need to do the following things to get Qt compiling successfully.
> >
> >     As mentioned, you need to have the OpenSSL headers and libraries
> >     in your
> >     environment variables available (meaning INCLUDE and LIB).
> >     configure.exe
> >     checks if it can find the correct files in the environment, otherwise
> >     disables the OpenSSL functionality again. Do _not_ have wcecompat in
> >     your setting due to reasons mentioned above.
> >
> >     To summarize, you need wcecompat in your environment to be able to
> >     build
> >     OpenSSL, and you need OpenSSL to compile Qt, but exclude wcecompat at
> >     that point. I suggest using different command prompts for different
> >     actions ("title" command is very helpful in case you have too many
> >     command prompts open).
> >
> >     Hope to have been of at least some help. If some of you have
> >     bugfixes or
> >     enhancements to wcecompat, feel free to send merge requests via
> >     github.
> >     But unfortunately I am not actively developing on this project
> >     anymore,
> >     so I hope that someone else might want to continue maintaining
> >     this library.
> >
> >     Best Regards,
> >
> >     Maurice Kalinowski
> >
> >
> >     ext Nikolay Mikheev wrote:
> >     > 2010/1/20 Andreas Unger <andi.unger05 at gmail.com
> >     <mailto:andi.unger05 at gmail.com>>
> >     >
> >     >> I should first build wcecompat libs before building OpenSSL,
> >     right? I'm unable to build just wcecompat by itself. As a Linux
> >     user, I'm not very familiar with WinCE. See my attempts at
> >     building wcecompat below. What is the sequence of steps that I
> >     should follow?
> >     >> I first start with these commands:
> >     >> cd C:\Qt\mauricek-wcecompat
> >     >> set OSVERSION=WCE500
> >     >> set PLATFORM=STANDARDSDK
> >     >> set TARGETCPU=MIPSII
> >     >> set PATH=%PATH%;C:\Qt\qt-4.6.0-MIPS-CE-5.0\bin
> >     >> Attempt 1:
> >     >> ----------
> >     >> 1) C:\Qt\qt-4.6.0-MIPS-CE-5.0\bin\setcepaths
> >     wince50standard-mipsii-msvc2008
> >     >> output:
> >     >> Environment Selection:STANDARDSDK_500 (MIPSII)
> >     >> Standard SDK for mips-ii selected, environment is set up
> >     >> 2) perl config.pl <http://config.pl>
> >     >> output:
> >     >> windows ce version:WCE500
> >     >> major:5
> >     >> minor:00
> >     >> Compiling for Architecture:MIPSII
> >     >> Compile: -D_WIN32_WCE=0x500 -DUNDER_CE=500 -DMIPS -D_MIPS_
> >     -DMIPS_R4000
> >     >> Link:/SUBSYSTEM:windowsce,5.00 /MACHINE:MIPS
> >     >> 3) nmake
> >     >> include\winsock_extras.h(33) : error C2220: warning treated as
> >     error - no 'objec
> >     >> t' file generated
> >     >> include\winsock_extras.h(33) : warning C4273: 'getservbyname' :
> >     inconsistent dll
> >     >>  linkage
> >     >>         C:\Program Files (x86)\Windows CE
> >     Tools\wce500\STANDARDSDK_500\include\M
> >     >> IPSII\winsock2.h(2183) : see previous definition of
> 'getservbyname'
> >     >> NMAKE : fatal error U1077: '"C:\Program Files (x86)\Microsoft
> >     Visual Studio 9.0\
> >     >> VC\ce\bin\x86_mips\cl.EXE"' : return code '0x2'
> >     >> Stop.
> >     >> Attempt 2:
> >     >> ------------
> >     >> 1) C:\Qt\qt-4.6.0-MIPS-CE-5.0\bin\setcepaths
> >     wince50standard-mipsii-msvc2008
> >     >> 2) C:\Qt\qt-4.6.0-MIPS-CE-5.0\bin\qmake
> >     >> WARNING: Failure to find: src\io.cpp
> >     >> WARNING: Failure to find: src\process.cp
> >     >> WARNING: Failure to find: src\time.cpp
> >     >> WARNING: Failure to find: src\io.cpp
> >     >> WARNING: Failure to find: src\process.cp
> >     >> WARNING: Failure to find: src\time.cpp
> >     >>
> >     >
> >     > When i tried to build it, setcepaths was not working correctly for
> >     > building wcecompat, because it was written for building Qt, not for
> >     > any other software. I wrote own bat-file with INCLUDE, LIBS and
> >     other
> >     > paths manually.
> >     > Also, i'm not so advanced in WinCE, because i'm linux user too.
> >     > Maybe, you should ask mauricek directly how to build it for MIPSII.
> >     >
> >     > --
> >     > Best regards, Nikolay Mikheev
> >     >
> >     > _______________________________________________
> >     > Qt-wince-interest mailing list
> >     > Qt-wince-interest at trolltech.com
> >     <mailto:Qt-wince-interest at trolltech.com>
> >     > http://lists.trolltech.com/mailman/listinfo/qt-wince-interest
> >     >
> >
> >
> >     --
> >     Maurice Kalinowski
> >     Nokia, Qt Development Frameworks
> >     Rudower Chaussee 13, 12489 Berlin, Germany
> >     Email  : maurice.kalinowski at nokia.com
> >     <mailto:maurice.kalinowski at nokia.com>
> >     Phone  : (+49) 30 6392 3255
> >     Fax    : (+49) 30 6392 3256
> >     http://qt.nokia.com/
> >
> >     Nokia gate5 GmbH
> >     Firmensitz: Invalidenstr. 117, 10115 Berlin, Germany
> >     Registergericht: Amtsgericht Charlottenburg, Berlin: HRB 106443 B
> >     Umsatzsteueridentifikationsnummer: DE 812 845 193
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> >
> >     _______________________________________________
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> >
> >
>
>
> --
> Maurice Kalinowski
> Nokia, Qt Development Frameworks
> Rudower Chaussee 13, 12489 Berlin, Germany
> Email  : maurice.kalinowski at nokia.com
> Phone  : (+49) 30 6392 3255
> Fax    : (+49) 30 6392 3256
> http://qt.nokia.com/
>
> Nokia gate5 GmbH
> Firmensitz: Invalidenstr. 117, 10115 Berlin, Germany
> Registergericht: Amtsgericht Charlottenburg, Berlin: HRB 106443 B
> Umsatzsteueridentifikationsnummer: DE 812 845 193
> Geschäftsführer: Dr. Michael Halbherr, Karim Tähtivuori
>
> _______________________________________________
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