Re: [Mingw-cross-env-list] Qt5 Linking failed (zlib?)

[Mark Brand]

On 11/12/2014 08:03 PM, Giovanni Berti wrote:
> Hello everyone!
> I was trying to build a Qt5 program with MXE. I built successfully Qt5 with
> make qt5
> then tried to build my program with
> make CROSS=i686-pc-mingw32
> and I get these errors:
> [...]
> Scanning dependencies of target Test
> [ 66%] Building CXX object CMakeFiles/Test.dir/main.cpp.obj
> Linking CXX executable Test.exe
> /home/user/mxe/usr/i686-pc-mingw32/qt5/lib/libQt5Core.a(qbytearray.o):qbytearray.cpp:(.text+0x509):
> undefined reference to `uncompress'
> /home/user/mxe/usr/i686-pc-mingw32/qt5/lib/libQt5Core.a(qbytearray.o):qbytearray.cpp:(.text+0x141a):
> undefined reference to `compress2'
> /home/user/mxe/usr/lib/gcc/i686-pc-mingw32/4.8.1/../../../../i686-pc-mingw32/bin/ld:
> /home/giova/mxe/usr/i686-pc-mingw32/qt5/lib/libQt5Core.a(qbytearray.o):
> bad reloc address 0x44 in section
> `.text$_ZN5QListI10QByteArrayED1Ev[__ZN5QListI10QByteArrayED1Ev]'
> /home/user/mxe/usr/lib/gcc/i686-pc-mingw32/4.8.1/../../../../i686-pc-mingw32/bin/ld:
> final link failed: Invalid operation
> collect2: error: ld returned 1 exit status
> [...]
>
> I think these errors pop up because libQt5Core.a's object files are
> not linked with zlib, so how do I solve this? Should I specify the
> dependencies in the Makefile (or, in my case, in CMakeLists.txt)?
>
> Thanks,
> Giovanni


Giovanni,

It's possible that cmake support is not quite up to the level of qmake. 
It sounds indeed like the cmake configuration is missing the zlib 
dependency. If you are using MXE's "stable" branch, you might want to 
consider using the "master" branch instead since it has an up-to-date Qt 5.

Mark