Re: [Mingw-cross-env-list] Qt compilation options

[Romain Troit]

Hello,
have you tried to set

QMAKE_CFLAGS_RELEASE

in file settings.mk ?

On 06/08/2013 13:56, Werner LEMBERG wrote:
> [mxe git repository from today]
>
> Using mxe's unmodified Qt build, and linking it to my application, the
> size of the binary increases from about 7MByte to 12MByte (after
> stripping) if compared to a MinGW build.  This hurts.  I thus wonder
> how to reduce it.
>
> With MinGW, I've approximately followed
>
>    http://www.formortals.com/build-qt-static-small-microsoft-intel-gcc-compiler/
>
> to compile Qt 4.8.3 statically, using the following call to Qt's
> configuration script:
>
>    configure -release \
>              -nomake examples \
>              -nomake demos \
>              -no-exceptions \
>              -no-stl -no-rtti \
>              -no-qt3support \
>              -no-scripttools \
>              -no-openssl \
>              -no-opengl \
>              -no-webkit \
>              -no-phonon \
>              -no-style-motif \
>              -no-style-cde \
>              -no-style-cleanlooks \
>              -no-style-plastique \
>              -no-sql-sqlite \
>              -platform win32-g++ \
>              -static \
>              -qt-libjpeg \
>              -qt-zlib \
>              -qt-libpng
>
> I assume that `-no-exceptions', `-no-stl', and `-no-rtti' really help
> reduce the library size, while most of the other options are rather
> unimportant for static linking (please correct me if I'm wrong).
>
> Changing the configure options in `qt.mk' is straightforward, however,
> the above link also suggests to change compilation options by setting
> QMAKE_CFLAGS_RELEASE.  How can I do this?
>
> BTW, calling `strip' on the binary removes symbols from all statically
> linked stuff also, right?
>
>
>      Werner
>
>
> PS: I know that I won't use C++ exceptions in my code :-)