The default use flag is -gst, but it fails at autoconf: configure.ac:777: error: possibly undefined macro: AM_PATH_GSL If this token and others are legitimate, please use m4_pattern_allow. See the Autoconf documentation. If i enable gst, it installs gst, and it works perfectly.
Which version? emerge --info?
emerge --info: Portage 2.1.2_rc3-r6 (default-linux/amd64/2006.1, gcc-4.1.1, glibc-2.5-r0, 2.6.19-gentoo-r2 x86_64) ================================================================= System uname: 2.6.19-gentoo-r2 x86_64 AMD Athlon(tm) 64 X2 Dual Core Processor 4200+ Gentoo Base System version 1.12.7 Last Sync: Sun, 17 Dec 2006 21:00:01 +0000 dev-java/java-config: 1.3.7, 2.0.30 dev-lang/python: 2.4.4 dev-python/pycrypto: 2.0.1-r5 sys-apps/sandbox: 1.2.17 sys-devel/autoconf: 2.13, 2.61 sys-devel/automake: 1.4_p6, 1.5, 1.6.3, 1.7.9-r1, 1.8.5-r3, 1.9.6-r2, 1.10 sys-devel/binutils: 2.17 sys-devel/gcc-config: 1.3.14 sys-devel/libtool: 1.5.22 virtual/os-headers: 2.6.17-r2 ACCEPT_KEYWORDS="amd64 ~amd64" AUTOCLEAN="yes" CBUILD="x86_64-pc-linux-gnu" CFLAGS="-O2 -pipe -march=athlon64 -msse3 -fomit-frame-pointer" CHOST="x86_64-pc-linux-gnu" CONFIG_PROTECT="/etc /usr/kde/3.5/env /usr/kde/3.5/share/config /usr/kde/3.5/shutdown /usr/share/X11/xkb /usr/share/config /var/bind" CONFIG_PROTECT_MASK="/etc/env.d /etc/env.d/java/ /etc/gconf /etc/java-config/vms/ /etc/revdep-rebuild /etc/terminfo" CXXFLAGS="-O2 -pipe -march=athlon64 -msse3 -fomit-frame-pointer" DISTDIR="/usr/distfiles" FEATURES="autoconfig distlocks metadata-transfer parallel-fetch sandbox sfperms strict" GENTOO_MIRRORS="http://distfiles.gentoo.org http://distro.ibiblio.org/pub/linux/distributions/gentoo" LANG="hu_HU.utf8" LC_ALL="hu_HU.utf8" LINGUAS="hu en" MAKEOPTS="-j3" PKGDIR="/usr/portage/packages" PORTAGE_RSYNC_OPTS="--recursive --links --safe-links --perms --times --compress --force --whole-file --delete --delete-after --stats --timeout=180 --exclude=/distfiles --exclude=/local --exclude=/packages" PORTAGE_TMPDIR="/var/tmp" PORTDIR="/usr/portage" PORTDIR_OVERLAY="/usr/local/portage /usr/portage/local/layman/sunrise" SYNC="rsync://rsync.gentoo.org/gentoo-portage" USE="amd64 X aac alsa amr berkdb bitmap-fonts bluetooth branding bzip2 cairo cdr cli cracklib crypt cups dlloader dri dvd dvdr elibc_glibc exif firefox flac foo2zjs_devices_hp1020 fortran gdbm glibc-omitfp glitz glut gpm gstreamer gtk2 hal iconv input_devices_keyboard input_devices_mouse ipv6 isdnlog jpeg kde kdeenablefinal kernel_linux libg++ libnotify linguas_en linguas_hu logrotate mp3 mpeg msn musepack ncurses nls nptl nptlonly nsplugin ntfs opengl pam pcre pdf perl pic ppds pppd python qt qt3 qt4 readline reflection reiserfs samba sdl session spl sse3 ssl startup-notification svg symlink tcpd test truetype truetype-fonts type1-fonts udev unicode userland_GNU userlocales vcd video_cards_nvidia vorbis xine xorg xv xvid zlib" Unset: CTARGET, EMERGE_DEFAULT_OPTS, INSTALL_MASK, LDFLAGS, PORTAGE_RSYNC_EXTRA_OPTS