QT 5 problem webkits

[Phipo NEO <phipo.research%free.fr@localhost>]

Hi,
I've problem with QT 5, i must to programming a C++ program, i've 
computer i-386 Xeon 8 cores,
xfce4 work fine, i've a good workstation, when i do on port : /usr/pkgsrc/
1/ make install >> error
2/ make clean-depends clean
3/ make reinstall

this my output
-------------------------------------------------------------------------------------------------
.......
-I../../Source 
-I/usr/pkgsrc/x11/qt5-qtwebkit/work/qtwebkit-opensource-src-5.5.1/Source/include 
-I../WTF -I/usr/pkg/include/glib/glib-2.0 
-I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/qt5/include 
-I/usr/pkg/qt5/include/QtCore -I.moc -I/usr/pkg/include 
-I/usr/pkg/qt5/mkspecs/netbsd-g++ -o .obj/tools/CodeProfiling.lo 
tools/CodeProfiling.cpp
tools/CodeProfiling.cpp: In function 'void JSC::profilingTimer(int, 
siginfo_t*, void*)':
tools/CodeProfiling.cpp:80:59: error: 'struct mcontext_t' has no member 
named 'gregs'
CodeProfiling::sample(reinterpret_cast<void*>(context.gregs[REG_EIP]),
                                                           ^
tools/CodeProfiling.cpp:80:65: error: 'REG_EIP' was not declared in this 
scope
CodeProfiling::sample(reinterpret_cast<void*>(context.gregs[REG_EIP]),
                                                                 ^
tools/CodeProfiling.cpp:81:60: error: 'struct mcontext_t' has no member 
named 'gregs'
reinterpret_cast<void**>(context.gregs[REG_EBP]));
                                                            ^
tools/CodeProfiling.cpp:81:66: error: 'REG_EBP' was not declared in this 
scope
reinterpret_cast<void**>(context.gregs[REG_EBP]));
                                                                  ^
Makefile.JavaScriptCore.Target:77124: recipe for target 
'.obj/tools/CodeProfiling.lo' failed
gmake[2]: *** [.obj/tools/CodeProfiling.lo] Error 1
gmake[2]: Leaving directory 
'/usr/pkgsrc/x11/qt5-qtwebkit/work/qtwebkit-opensource-src-5.5.1/Source/JavaScriptCore'
Makefile.JavaScriptCore:102: recipe for target 
'sub-Target-pri-all-ordered' failed
gmake[1]: *** [sub-Target-pri-all-ordered] Error 2
gmake[1]: Leaving directory 
'/usr/pkgsrc/x11/qt5-qtwebkit/work/qtwebkit-opensource-src-5.5.1/Source/JavaScriptCore'
Makefile:99: recipe for target 
'sub-Source-JavaScriptCore-JavaScriptCore-pro-all-ordered' failed
gmake: *** [sub-Source-JavaScriptCore-JavaScriptCore-pro-all-ordered] 
Error 2
*** Error code 2

Stop.
make[4]: stopped in /usr/pkgsrc/x11/qt5-qtwebkit
*** Error code 1

Stop.
make[3]: stopped in /usr/pkgsrc/x11/qt5-qtwebkit
*** Error code 1

Stop.
make[2]: stopped in /usr/pkgsrc/x11/qt5-qttools
*** Error code 1

Stop.
make[1]: stopped in /usr/pkgsrc/x11/qt5-qtdoc
*** Error code 1

Stop.
make: stopped in /usr/pkgsrc/x11/qt5
dct-petrole#

--------------------------------------------------------------------------------------------------

the problem it's about webkits, i must to compile it at first ?  or 
another issue ?

Regards
Philippe