(foreword: i -have- re-installed kdelibs after QT) checking for KDE... libraries /usr/kde/3.2/lib, headers /usr/kde/3.2/include checking if UIC has KDE plugins available... no configure: error: you need to install kdelibs first. !!! ERROR: kde-base/kdebase-3.2.1 failed. by the config.log file: configure:27947: checking if UIC has KDE plugins available configure:27974: /usr/qt/3/bin/uic -L /usr/kde/3.2/lib/kde3/plugins/designer -no unload -impl actest.h actest.ui > actest.cpp Conflict in /usr/kde/3.2/lib/kde3/plugins/designer/kdewidgets.so: Plugin uses incompatible Qt library! expected build key "i686 Linux g++-3.* full-config", got "i686 Linux g++-3.* f ull-config no-ipv6". configure:27977: $? = 0 configure:27991: result: no configure:27994: error: you need to install kdelibs first. yes, i don't build ipv6 normally, i'm going to enable ipv6 and re-compile QT/kdelibs, but really...this should never be an error. the build key should handle this. Reproducible: Always Steps to Reproduce: 1. 2. 3. # emerge info Portage 2.0.50-r1 (default-x86-1.4, gcc-3.3.3, glibc-2.3.3_pre20040207-r0, 2.6.4) ================================================================= System uname: 2.6.4 i686 AMD Athlon(tm) prosussor Gentoo Base System version 1.4.3.13p1 Autoconf: sys-devel/autoconf-2.59-r3 Automake: sys-devel/automake-1.8.2 ACCEPT_KEYWORDS="x86 ~x86" AUTOCLEAN="yes" CFLAGS="-mcpu=athlon-xp -O2 -pipe -fomit-frame-pointer" CHOST="i686-pc-linux-gnu" COMPILER="gcc3" CONFIG_PROTECT="/etc /usr/X11R6/lib/X11/xkb /usr/kde/2/share/config /usr/kde/3.1/share/config /usr/kde/3.2/share/config /usr/kde/3/share/config /usr/share/config /var/qmail/control" CONFIG_PROTECT_MASK="/etc/gconf /etc/terminfo /etc/env.d" CXXFLAGS="-mcpu=athlon-xp -O2 -pipe -fomit-frame-pointer" DISTDIR="/usr/portage/distfiles" FEATURES="autoaddcvs ccache keepwork sandbox" GENTOO_MIRRORS="http://gentoo.oregonstate.edu http://distro.ibiblio.org/pub/Linux/distributions/gentoo" MAKEOPTS="-j2" PKGDIR="/usr/portage/packages" PORTAGE_TMPDIR="/var/tmp" PORTDIR="/usr/portage" PORTDIR_OVERLAY="/usr/local/portage" SYNC="rsync://rsync.gentoo.org/gentoo-portage" USE="3dnow S3TC X X509 acpi acpi4linux aim alsa apache2 arts artswrappersuid avi bluetooth bonobo caps cdf cdr chroot cle266 crypt cups debug dga dnd dv dvb dvd dvdr encode esd ethereal faad fam fax ffmpeg fftw flash flexresp foomaticdb freetype fs gd gdbm geoip gif gimpprint glut gphoto2 gpm gps gstreamer gtk gtk2 gtkhtml icq idea imagemagick imap imlib imlib2 irda irmc jabber jack jack-caps jack-tmpfs java javascript jbig jpeg kde lcms libg++ libgda libwww lirc ltsp mad mbox mcal md5sum mdb memlimit mikmod mmap mmx mng mozcalendar mozilla mozinterfaceinfo mozp3p mozsvg mpeg mpeg4 mpi msn ncurses nls nptl nvidia nviz oav odbc offensive oggvorbis openal opengl oscar oss pam parse-clocks pcap pda pdflib perl php pic plotutils png pnp postgres ppds python quicktime readline samba scanner sdl slang slp snmp socks5 sox speex spell sse ssl t1lib tcltk theora tiff transcode transparent-proxy truetype type1 usb v4l wmf x86 xgetdefault xine xinerama xml2 xmms xosd xv xvid yahoo yaz zlib zvbi"
I agree, but it was Trolltech who caused the buildkey to change between versions causing the non-source compatibility.
sorry you had to rebuild, but it's an artifact of that particular Qt version.
*** Bug 49423 has been marked as a duplicate of this bug. ***