=dev-lang/ocaml-3.09.1 compiles on my AMD64 and MLDonkey then compiles and works too... so, please add ~amd64 keyword.
~amd64 added to 3.09.2 Thanks for testing.
On my amd64 doesn't compile clean.. make[1]: Entering directory `/var/tmp/portage/ocaml-3.09.2/work/ocaml-3.09.2/asmrun' ln -s ../byterun/meta.c meta.c gcc -I../byterun -DCAML_NAME_SPACE -DNATIVE_CODE -DTARGET_amd64 -DSYS_linux -O -Wall -D_FILE_OFFSET_BITS=64 -D_REENTRANT -march=athlon64 -O2 -ftracer -pipe -msse3 -fno-stack-protector -c -o meta.o meta.c ln -s ../byterun/dynlink.c dynlink.c gcc -I../byterun -DCAML_NAME_SPACE -DNATIVE_CODE -DTARGET_amd64 -DSYS_linux -O -Wall -D_FILE_OFFSET_BITS=64 -D_REENTRANT -march=athlon64 -O2 -ftracer -pipe -msse3 -fno-stack-protector -c -o dynlink.o dynlink.c make[1]: Leaving directory `/var/tmp/portage/ocaml-3.09.2/work/ocaml-3.09.2/asmrun' boot/ocamlrun ./ocamlopt -nostdlib -I stdlib -ccopt "-Wl,-E" -o ocamlc.opt \ utils/misc.cmx utils/tbl.cmx utils/config.cmx utils/clflags.cmx utils/terminfo.cmx utils/ccomp.cmx utils/warnings.cmx utils/consistbl.cmx parsing/linenum.cmx parsing/location.cmx parsing/longident.cmx parsing/syntaxerr.cmx parsing/parser.cmx parsing/lexer.cmx parsing/parse.cmx parsing/printast.cmx typing/unused_var.cmx typing/ident.cmx typing/path.cmx typing/primitive.cmx typing/types.cmx typing/btype.cmx typing/oprint.cmx typing/subst.cmx typing/predef.cmx typing/datarepr.cmx typing/env.cmx typing/typedtree.cmx typing/ctype.cmx typing/printtyp.cmx typing/includeclass.cmx typing/mtype.cmx typing/includecore.cmx typing/includemod.cmx typing/parmatch.cmx typing/typetexp.cmx typing/stypes.cmx typing/typecore.cmx typing/typedecl.cmx typing/typeclass.cmx typing/typemod.cmx bytecomp/lambda.cmx bytecomp/printlambda.cmx bytecomp/typeopt.cmx bytecomp/switch.cmx bytecomp/matching.cmx bytecomp/translobj.cmx bytecomp/translcore.cmx bytecomp/translclass.cmx bytecomp/translmod.cmx bytecomp/simplif.cmx bytecomp/runtimedef.cmx bytecomp/meta.cmx bytecomp/instruct.cmx bytecomp/bytegen.cmx bytecomp/printinstr.cmx bytecomp/opcodes.cmx bytecomp/emitcode.cmx bytecomp/bytesections.cmx bytecomp/dll.cmx bytecomp/symtable.cmx bytecomp/bytelink.cmx bytecomp/bytelibrarian.cmx bytecomp/bytepackager.cmx driver/pparse.cmx driver/errors.cmx driver/compile.cmx driver/main_args.cmx driver/main.cmx \ asmrun/meta.o asmrun/dynlink.o -cclib "-lm -ldl -lcurses -lpthread" /usr/lib/gcc/x86_64-pc-linux-gnu/3.4.6/../../../../x86_64-pc-linux-gnu/bin/ld: /var/tmp/portage/ocaml-3.09.2/temp/camlstartup6cdbef.o: relocation R_X86_64_32S against `caml_curry2_1' can not be used when making a shared object; recompile with -fPIC /var/tmp/portage/ocaml-3.09.2/temp/camlstartup6cdbef.o: could not read symbols: Bad value collect2: ld returned 1 exit status Error during linking make: *** [ocamlc.opt] Error 2 !!! ERROR: dev-lang/ocaml-3.09.2 failed. Call stack: ebuild.sh, line 1540: Called dyn_compile ebuild.sh, line 940: Called src_compile ocaml-3.09.2.ebuild, line 49: Called die !!! (no error message) !!! If you need support, post the topmost build error, and the call stack if relevant. Portage 2.1.1_pre1 (hardened/amd64, gcc-3.4.6/hardened, glibc-2.3.6-r4, 2.6.16-hardened-r7-Teo x86_64) ================================================================= System uname: 2.6.16-hardened-r7-Teo x86_64 AMD Sempron(tm) Processor 3000+ Gentoo Base System version 1.12.1 ccache version 2.4 [enabled] dev-lang/python: 2.4.3-r1 dev-python/pycrypto: 2.0.1-r5 dev-util/ccache: 2.4-r2 dev-util/confcache: 0.4.2-r1 sys-apps/sandbox: 1.2.18.1 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-r2 sys-devel/binutils: 2.16.1-r2 sys-devel/gcc-config: 2.0.0_rc1 sys-devel/libtool: 1.5.22 virtual/os-headers: 2.6.16 ABI="amd64" ACCEPT_KEYWORDS="amd64 ~amd64" ACCEPT_LICENSE="" ARCH="amd64" AUTOCLEAN="yes" CBUILD="x86_64-pc-linux-gnu" CCACHE_SIZE="512M" CDEFINE_amd64="__x86_64__" CFLAGS="-march=athlon64 -O3 -ftracer -pipe -msse3" CHOST="x86_64-pc-linux-gnu" CHOST_amd64="x86_64-pc-linux-gnu" CLEAN_DELAY="5" CONFIG_PROTECT="/etc /var/bind" CONFIG_PROTECT_MASK="/etc/env.d /etc/eselect/compiler /etc/gconf /etc/revdep-rebuild /etc/terminfo" CVS_RSH="ssh" CXXFLAGS="-march=athlon64 -O3 -ftracer -pipe -msse3" DEFAULT_ABI="amd64" DISTCC_DIR="/var/tmp/.distcc" DISTDIR="/usr/portage/distfiles" EDITOR="/usr/bin/vim" ELIBC="glibc" EMERGE_DEFAULT_OPTS="--ask --verbose" EMERGE_WARNING_DELAY="10" FEATURES="autoaddcvs autoconfig ccache confcache distlocks metadata-transfer sandbox sfperms strict" FETCHCOMMAND="/usr/bin/wget -t 5 -T 60 --passive-ftp -P ${DISTDIR} ${URI}" GENTOO_MIRRORS="ftp://mirror.switch.ch/mirror/gentoo/ http://gentoo.ngi.it/ http://distfiles.gentoo.org" GRP_STAGE23_USE="amd64 berkdb crypt hardened justify nls pam pic readline ssl userlocales tcpd zlib" G_BROKEN_FILENAMES="1" G_FILENAME_ENCODING="UTF-8" HOME="/root" INFOPATH="/usr/share/info:/usr/share/binutils-data/x86_64-pc-linux-gnu/2.16.1/info:/usr/share/gcc-data/x86_64-pc-linux-gnu/3.4.6/info" KERNEL="linux" LANG="it_IT.UTF-8" LC_ALL="it_IT.UTF-8" LDFLAGS_amd64="-m elf_x86_64" LESS="-R -M --shift 5" LESSOPEN="|lesspipe.sh %s" LIBDIR_amd64="lib64" LINGUAS="it" LOGNAME="root" MAIL="/var/mail/root" MAKEOPTS="-j2" MANPATH="/usr/local/share/man:/usr/share/man:/usr/share/binutils-data/x86_64-pc-linux-gnu/2.16.1/man:/usr/share/gcc-data/x86_64-pc-linux-gnu/3.4.6/man" MULTILIB_ABIS="amd64" PAGER="/usr/bin/less" PATH="/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/opt/bin" PKGDIR="/usr/portage/packages" PORTAGE_ARCHLIST="ppc s390 amd64 ppc64 x86-fbsd m68k arm sparc sh mips ia64 alpha ppc-macos hppa x86" PORTAGE_BINHOST_CHUNKSIZE="3000" PORTAGE_BIN_PATH="/usr/lib/portage/bin" PORTAGE_CALLER="emerge" PORTAGE_CONFIGROOT="/" PORTAGE_ELOG_CLASSES="info warn error log" PORTAGE_ELOG_MAILFROM="portage@Atlantis.home" PORTAGE_ELOG_MAILSUBJECT="[portage] ebuild log for ${PACKAGE} on ${HOST}" PORTAGE_ELOG_MAILURI="root@Atlantis.home localhost" PORTAGE_ELOG_SYSTEM="save mail" PORTAGE_GID="250" PORTAGE_INST_GID="0" PORTAGE_INST_UID="0" PORTAGE_PYM_PATH="/usr/lib/portage/pym" PORTAGE_RSYNC_EXTRA_OPTS="--exclude=/usr/portage/local" 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_RSYNC_RETRIES="3" PORTAGE_TMPDIR="/var/tmp" PORTAGE_WORKDIR_MODE="0700" PORTDIR="/usr/portage" PORTDIR_OVERLAY="/usr/portage/local" PORT_LOGDIR="/var/log/portage" PRELINK_PATH="" PRELINK_PATH_MASK="" PWD="/root" PYTHONPATH="/usr/lib/portage/pym" RESUMECOMMAND="/usr/bin/wget -c -t 5 -T 60 --passive-ftp -P ${DISTDIR} ${URI}" ROOT="/" RPMDIR="/usr/portage/rpm" SHELL="/bin/bash" SHLVL="1" SSH_CLIENT="10.0.0.38 49985 22" SSH_CONNECTION="10.0.0.38 49985 10.0.0.10 22" SSH_TTY="/dev/pts/2" STAGE1_USE="hardened pic userlocales" SYMLINK_LIB="yes" SYNC="rsync://rsync.europe.gentoo.org/gentoo-portage" TERM="xterm" USE="acl acpi amd64 apache2 bash-completion berkdb bzip2 caps crypt ctype curl dlloader ftp gd gdbm gmp gnutls gpm hardened hardenedphp idn imap ipv6 jpeg jpeg2k justify ldap lm_sensors mailwrapper mhash mysql ncurses nls nptl pam pcntl pcre pdf perl php pic png posix postgres readline samba sasl session slang snmp sockets ssl sysvipc szip tcpd threads tidy tiff truetype unicode userlocales xml xorg xsl zlib elibc_glibc kernel_linux linguas_it userland_GNU" USER="root" USERLAND="GNU" USE_EXPAND="DVB_CARDS ELIBC FCDSL_CARDS FRITZCAPI_CARDS INPUT_DEVICES KERNEL LINGUAS LIRC_DEVICES USERLAND VIDEO_CARDS" USE_EXPAND_HIDDEN="ELIBC KERNEL USERLAND" USE_ORDER="env:pkg:conf:defaults" XARGS="xargs -r" _="/usr/bin/emerge"
wicked, for me it was ok, $ emerge --info Portage 2.1.1_pre1 (default-linux/amd64/2006.1/desktop, gcc-4.1.1/amd64-vanilla, glibc-2.4-r3, 2.6.16-gentoo-r10! x86_64) ================================================================= System uname: 2.6.16-gentoo-r10! x86_64 AMD Athlon(tm) 64 Processor 3000+ Gentoo Base System version 1.12.1 dev-lang/python: 2.4.3-r1 dev-python/pycrypto: 2.0.1-r5 dev-util/ccache: [Not Present] dev-util/confcache: [Not Present] sys-apps/sandbox: 1.2.18.1 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-r2 sys-devel/binutils: 2.17.50.0.2 sys-devel/gcc-config: 2.0.0_rc1 sys-devel/libtool: 1.5.22 virtual/os-headers: 2.6.16 ACCEPT_KEYWORDS="amd64 ~amd64" AUTOCLEAN="yes" CBUILD="x86_64-pc-linux-gnu" CFLAGS="-O2 -march=athlon64 -m3dnow -msse -msse2 -msse3 -fomit-frame-pointer -pipe" 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" CONFIG_PROTECT_MASK="/etc/env.d /etc/eselect/compiler /etc/gconf /etc/revdep-rebuild /etc/terminfo" CXXFLAGS="-O2 -march=athlon64 -m3dnow -msse -msse2 -msse3 -fomit-frame-pointer -pipe" DISTDIR="/portage/distfiles" FEATURES="autoconfig candy distlocks metadata-transfer parallel-fetch sandbox sfperms strict" GENTOO_MIRRORS="ftp://ftp.linux.cz/pub/linux/gentoo http://mirror.gentoo.sk/pub http://distfiles.gentoo.org/" LANG="en_US.UTF-8" LC_ALL="en_US.UTF-8" LINGUAS="cs" MAKEOPTS="-j3" PKGDIR="/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="/portage" PORTDIR_OVERLAY="/overlay" SYNC="rsync://rsync.gentoo.org/gentoo-portage" USE="amd64 X a52 aac acpi alsa apm asf audiofile avi bash-completion bitmap-fonts bzip2 cairo cdparanoia cdr cli css cups curl curlwrappers dbus dga dts dvd dvdr dvdread emboss encode expat fbcon ffmpeg flac flash fortran ftp gdbm gif gpm hal icq id3 id3v2 imagemagick imlib isdnlog jabber javascript jingle jpeg kde kdeenablefinal lame lcms libg++ mad matroska mime mp3 mpeg mplayer ncurses nls nowebdav nptl nptlonly nsplugin nvidia ogg oggvorbis openal opengl oscar pcre pdflib perl pic png posix ppds pppd python qt qt4 quicktime readline reflection ruby sdl session sockets spl subversion svg symlink theora tiff truetype truetype-fonts type1-fonts udev unicode usb userlocales vorbis wma xcomposite xine xml xml2 xorg xpm xrandr xv xvid zlib elibc_glibc input_devices_keyboard input_devices_mouse kernel_linux linguas_cs userland_GNU video_cards_nvidia" Unset: CTARGET, EMERGE_DEFAULT_OPTS, INSTALL_MASK, LDFLAGS, PORTAGE_RSYNC_EXTRA_OPTS
