pkg-config segment faulted, if it compiled with gcc4. # pkg-config --help [... this output is different. sometimes directly, sometimes later ...] - segment fault # sometimes, it get in a loop and i get no segment fault. it's reproduceable. # emerge info Portage 2.0.52-r1 (default-linux/x86/2005.0, gcc-4.0.1, glibc-2.3.5.20050421-r0, 2.6.13-mm1 i686) ================================================================= System uname: 2.6.13-mm1 i686 AMD Athlon(TM) XP 3000+ Gentoo Base System version 1.12.0_pre8 distcc 2.18.3 i686-pc-linux-gnu (protocols 1 and 2) (default port 3632) [disabled] ccache version 2.4 [enabled] dev-lang/python: 2.3.5, 2.4.1-r1 sys-apps/sandbox: 1.2.12 sys-devel/autoconf: 2.13, 2.59-r7 sys-devel/automake: 1.4_p6, 1.5, 1.6.3, 1.7.9-r1, 1.8.5-r3, 1.9.6 sys-devel/binutils: 2.16.1 sys-devel/libtool: 1.5.20 virtual/os-headers: 2.6.11-r2 ACCEPT_KEYWORDS="x86 ~x86" AUTOCLEAN="yes" CBUILD="i686-pc-linux-gnu" CFLAGS="-O2 -march=athlon-xp -funroll-loops -fomit-frame-pointer -ffast-math -ffloat-store -fforce-mem -fforce-addr -frerun-loop-opt -falign-functions=4 -maccumulate-outgoing-args -frerun-cse-after-loop -fprefetch-loop-arrays -pipe -ftree-vectorize" CHOST="i686-pc-linux-gnu" CONFIG_PROTECT="/etc /usr/kde/2/share/config /usr/kde/3.4/env /usr/kde/3.4/share/config /usr/kde/3.4/shutdown /usr/kde/3/share/config /usr/lib/X11/xkb /usr/lib/mozilla/defaults/pref /usr/share/config /var/qmail/control" CONFIG_PROTECT_MASK="/etc/gconf /etc/terminfo /etc/texmf/web2c /etc/env.d" CXXFLAGS="-O2 -march=athlon-xp -funroll-loops -fomit-frame-pointer -ffast-math -ffloat-store -fforce-mem -fforce-addr -frerun-loop-opt -falign-functions=4 -maccumulate-outgoing-args -frerun-cse-after-loop -fprefetch-loop-arrays -pipe -ftree-vectorize" DISTDIR="/var/portage/distfiles" FEATURES="autoconfig candy ccache distlocks fixpackages noclean sandbox sfperms strict userpriv usersandbox" GENTOO_MIRRORS=" ftp://sunsite.informatik.rwth-aachen.de/pub/Linux/gentoo ftp://linux.rz.ruhr-uni-bochum.de/gentoo-mirror ftp://ftp.uni-erlangen.de/pub/mirrors/gentoo ftp://ftp.join.uni-muenster.de/pub/linux/distributions/gentoo ftp://sunsite.informatik.rwth-aachen.de/pub/Linux/gentoo " LANG="de_DE.UTF-8" LINGUAS="de" PKGDIR="/var/portage/packages" PORTAGE_TMPDIR="/var/portage" PORTDIR="/var/portage/gentoo" PORTDIR_OVERLAY="/var/portage/gentoo-de /var/portage/gentookde /var/portage/bmg-main /var/portage/freedesktop /var/portage/zugaina /var/portage/gentopia /var/portage/local" SYNC="rsync://rsync.de.gentoo.org/gentoo-portage" USE="x86 3dnow X Xaw3d a52 aac aalib accessibility acl acpi alsa apache2 apm arts audiofile avi bash-completion bcmath berkdb bitmap-fonts bzip2 bzlib cairo calendar cap cdparanoia cdr crypt cscope ctype cups curl curlwrappers dba dbm dbus dbx dga directfb doc dvb dvd dvdr dvdread eds emacs emboss encode esd exif expat f77 fam fbcon ffmpeg flac flash flatfile foomaticdb fortran ftp gcj gd gd-external gdbm gif gmp gnome gnutls gpm gstreamer gtk gtk2 gtkhtml guile hal howl iconv imagemagick imap imlib inifile ipv6 jabber jack java javascript jikes jpeg kde kdeenablefinal kerberos leim lesstif libcaca libg++ libgda libwww lm_sensors mad maildir mailwrapper matrox mbox mcal memlimit mhash migemo mikmod mime mmx mng motif mozilla mp3 mpeg nas ncurses network nls nptl nsplugin offensive ogg oggvorbis openal opengl oss pam pcre pdflib perl php pic plotutils png portaudio posix ppds pthreads python qt quicktime readline recode rtc ruby samba sasl scanner sdl session shared sharedmem simplexml skey slang slp smartcard sndfile snmp soap sockets speex spell sse ssl svg sysvipc szip tcltk tcpd tetex theora threads tidy tiff tokenizer truetype truetype-fonts type1-fonts unicode usb v4l vcd vdr vorbis win32codecs wxwindows xface xine xml xml2 xmlrpc xmms xpm xprint xsl xv xvid zlib video_cards_matrox linguas_de userland_GNU kernel_linux elibc_glibc" Unset: ASFLAGS, CTARGET, LC_ALL, LDFLAGS, MAKEOPTS #
gcc 4 is not keyworded for any arch. Only bugs with patches are accepted. Otherwise don't use it.