kdelibs SVN FTBFS

Hello, I'm trying to build Trinity kdelibs SVN revision 1260756 on RHEL 6. But I get the following "conflicting types" errors : Building C object dcop/KDE-ICE/CMakeFiles/kICE-static.dir/setauth.c.o cd /home/albator/rpmbuild/BUILD/kdelibs/build/dcop/KDE-ICE && /usr/lib64/ccache/gcc -DHAVE_CONFIG_H -DICE_t -DTRANS_SERVER -DTRANS_CLIENT -DUNIXCONN -DANSICPP -O2 -g -pipe -Wall -Wp,-D_FORTIFY_SOURCE=2 -fexceptions -f stack-protector --param=ssp-buffer-size=4 -m64 -mtune=generic -include tqt.h -I/home/albator/rpmbuild/BUILD/ kdelibs/build -I/home/albator/rpmbuild/BUILD/kdelibs/dcop -I/usr/lib64/qt-3.3/include -I/opt/trinity/include/ tqt -fPIC -o CMakeFiles/kICE-static.dir/setauth.c.o -c /home/albator/rpmbuild/BUILD/kdelibs/dcop/KDE-ICE/ setauth.c /home/albator/rpmbuild/BUILD/kdelibs/kdecore/fakes.c:78: error: conflicting types for 'unsetenv' /usr/include/stdlib.h:589: note: previous declaration of 'unsetenv' was here /home/albator/rpmbuild/BUILD/kdelibs/kdecore/fakes.c:132: error: conflicting types for 'usleep' /usr/include/unistd.h:457: note: previous declaration of 'usleep' was here /home/albator/rpmbuild/BUILD/kdelibs/kdecore/fakes.c: In function 'mkdtemp': /home/albator/rpmbuild/BUILD/kdelibs/kdecore/fakes.c:306: warning: implicit declaration of function 'mkdir' make[2]: *** [kdecore/CMakeFiles/kdefakes-shared.dir/fakes.c.o] Error 1 make[2]: Leaving directory `/home/albator/rpmbuild/BUILD/kdelibs/build' make[1]: *** [kdecore/CMakeFiles/kdefakes-shared.dir/all] Error 2 .... [ 2%] Building CXX object kdefx/CMakeFiles/kdefx-shared.dir/kstyle.cpp.o cd /home/albator/rpmbuild/BUILD/kdelibs/build/kdefx && /usr/lib64/ccache/c++ -Dkdefx_shared_EXPORTS -DHAVE_ CONFIG_H -O2 -g -pipe -Wall -Wp,-D_FORTIFY_SOURCE=2 -fexceptions -fstack-protector --param=ssp-buffer-size=4 -m64 -mtune=generic -DQT_NO_ASCII_CAST -DQT_CLEAN_NAMESPACE -DQT_NO_STL -DQT_NO_COMPAT -DQT_NO_TRANSLATION -DQT_THREAD_SUPPORT -D_REENTRANT -include tqt.h -fPIC -I/usr/lib64/qt-3.3/include -I/opt/trinity/include/tqt -I/home/albator/rpmbuild/BUILD/kdelibs/build/kdefx -I/home/albator/rpmbuild/BUILD/kdelibs/build -I/home/albat or/rpmbuild/BUILD/kdelibs/kdefx -I/home/albator/rpmbuild/BUILD/kdelibs/build/kdecore -I/home/albator/rpmbuild /BUILD/kdelibs/kdecore -o CMakeFiles/kdefx-shared.dir/kstyle.cpp.o -c /home/albator/rpmbuild/BUILD/kdelibs/ kdefx/kstyle.cpp In file included from /home/albator/rpmbuild/BUILD/kdelibs/kdecore/network/ksocketaddress.cpp:42: /home/albator/rpmbuild/BUILD/kdelibs/kdecore/netsupp.h:176: error: redefinition of 'struct addrinfo' /usr/include/netdb.h:570: error: previous definition of 'struct addrinfo' make[2]: *** [kdecore/network/CMakeFiles/kdecorenetwork-static.dir/ksocketaddress.cpp.o] Error 1 What should I inspect to solve it ? Thanks Francois Andriot