The stable version of mkvtoolnix (1.0.1) does not work with the stable version of libmatroska (0.7.5). mkvtoolnix-1.0.1 does ONLY work with libmatroska-0.7.4 So I recommend to change dependency of mkvtoolnix-1.0.1 I didn't do further checks on libebml, but I suggest to also set dependency to a fixed version (0.7.2) in mkvtoolnix. Note: Older sources (<1.4.0) of mkvtoolnix have been moved to an 'old' subdirectory. Please fix affected ebuils. Reproducible: Always Steps to Reproduce: 1. emerge -Du mkvtoolnix Actual Results: 1. compile of mkvtoolnix failes 2. if mkvtoolnix was compiled before, the binaries fail with a library error Portage 2.0.51.19 (default-linux/x86/2005.0, gcc-3.3.5-20050130, glibc-2.3.4.20041102-r1, 2.6.11.7 i686) ================================================================= System uname: 2.6.11.7 i686 Pentium III (Coppermine) Gentoo Base System version 1.4.16 Python: dev-lang/python-2.3.4-r1 [2.3.4 (#1, Apr 21 2005, 21:52:29)] distcc 2.16 i686-pc-linux-gnu (protocols 1 and 2) (default port 3632) [disabled] dev-lang/python: 2.3.4-r1 sys-devel/autoconf: 2.59-r6, 2.13 sys-devel/automake: 1.7.9-r1, 1.8.5-r3, 1.5, 1.4_p6, 1.6.3, 1.9.4 sys-devel/binutils: 2.15.92.0.2-r7 sys-devel/libtool: 1.5.14 virtual/os-headers: 2.6.8.1-r2 ACCEPT_KEYWORDS="x86" AUTOCLEAN="yes" CFLAGS="-O3 -march=i686 -funroll-loops -pipe" CHOST="i686-pc-linux-gnu" CONFIG_PROTECT="/etc /usr/kde/2/share/config /usr/kde/3.3/env /usr/kde/3.3/share/config /usr/kde/3.3/shutdown /usr/kde/3/share/config /usr/lib/X11/xkb /usr/share/config /usr/share/texmf/dvipdfm/config/ /usr/share/texmf/dvips/config/ /usr/share/texmf/tex/generic/config/ /usr/share/texmf/tex/platex/config/ /usr/share/texmf/xdvi/ /var/bind /var/qmail/control" CONFIG_PROTECT_MASK="/etc/gconf /etc/terminfo /etc/env.d" CXXFLAGS="-O3 -march=i686 -funroll-loops -pipe" DISTDIR="/usr/portage/distfiles" FEATURES="autoaddcvs autoconfig ccache distlocks sandbox sfperms strict" GENTOO_MIRRORS="http://gentoo.eliteitminds.com http://pandemonium.tiscali.de/pub/gentoo/ ftp://pandemonium.tiscali.de/pub/gentoo/ http://gentoo.mirror.icd.hu/" MAKEOPTS="-j2" PKGDIR="/usr/portage/packages" PORTAGE_TMPDIR="/var/tmp" PORTDIR="/usr/portage" PORTDIR_OVERLAY="" SYNC="rsync://rsync17.de.gentoo.org/gentoo-portage" USE="x86 X Xaw3d a52 aac aalib acl acpi alsa apache2 arts audiofile avi berkdb bitmap-fonts bonobo bzip2 bzlib cdparanoia cdr cpdflib cpudetection crypt cups curl dbm divx4linux doc dts dv dvd dvdread emacs emboss encode esd expat fam fame ffmpeg fits flac flash font-server foomaticdb fortran ftp gd gdbm ggi gif gmp gnome gnutls gphoto2 gpm gtk gtk2 gtkhtml guile icq idn imagemagick imap imlib java jbig jpeg kde kdeenablefinal lcms ldap leim libg++ libwww live lzo mad maildir mailwrapper matroska mhash mikmod milter mime ming mjpeg mmx mng monkey motif mozilla mozsvg mp3 mpeg mplayer mysql mysqli nas ncurses network nls no-old-linux no_wxgtk1 nocardbus nvidia objc octave odbc ogg oggvorbis openal opengl oss pam pcmcia pcre pda pdf pdflib perl php plotutils png posix povrayppds profile python qt quicktime readline real recode rtc sasl scanner sdl sharedmem shorten simplexml slang slp sndfile soap sockets sox speex spell spl sse ssl subp svg svga szip tcltk tcpd tetex theora threads tidy tiff tokenizer transcode truetype truetype-fonts type1-fonts unicode usb utf8 v4l2 vcd vorbis win32codecs wmf wxwindows xanim xine xml xml2 xmlrpc xmms xpm xsl xv xvid yv12 zlib" Unset: ASFLAGS, CBUILD, CTARGET, LANG, LC_ALL, LDFLAGS, LINGUAS
Fixed in CVS, and marked libmatroska-0.7.4 stable on amd64 as needed. Thanks for reporting.