It's impossible to install www-apps/horde-imp when there's dev-lang/php-5.1.1 installed. radioart portage # emerge -pv horde-imp These are the packages that I would merge, in order: Calculating dependencies ...done! [blocks B ] dev-lang/php (is blocking dev-php/php-4.4.0-r4) [ebuild N ] app-crypt/mhash-0.9.2 833 kB [ebuild N ] app-text/sablotron-1.0.1 -doc +perl 474 kB [ebuild NS ] media-libs/freetype-1.3.1-r4 +nls -tetex 1,919 kB [ebuild N ] net-libs/libwww-5.4.0-r4 +mysql +ssl 1,110 kB [ebuild N ] dev-php/php-4.4.0-r4 -X -berkdb +crypt +curl -debug -doc -fdftk -firebird -flash -freetds -gd -gd-external +gdbm -gmp -hardenedphp -imap -informix +ipv6 -java +jpeg -kerberos -ldap -mcal -memlimit -mssql +mysql +ncurses +nls -oci8 -odbc +pam +png -postgres +readline -snmp +spell +ssl -tiff +truetype +xml2 -yaz 4,339 kB [ebuild N ] dev-php/PEAR-DB-1.7.6 121 kB [ebuild N ] dev-php/PEAR-Log-1.8.7 31 kB [ebuild N ] dev-php/PEAR-Mail_Mime-1.3.0 16 kB [ebuild N ] dev-php/PEAR-Net_Socket-1.0.5 4 kB [ebuild N ] dev-php/PEAR-Auth_SASL-1.0.1 5 kB [ebuild N ] dev-php/PEAR-Net_SMTP-1.2.6 8 kB [ebuild N ] dev-php/PEAR-Mail-1.1.4 14 kB [ebuild N ] dev-php/PEAR-Date-1.4.3 41 kB [ebuild N ] dev-php/PEAR-File-1.0.3 8 kB [ebuild N ] dev-php/PEAR-XML_RPC-1.4.0 26 kB [ebuild N ] dev-php/PEAR-Archive_Tar-1.3.1 14 kB [ebuild N ] dev-php/PEAR-Console_Getopt-1.2 3 kB [ebuild N ] dev-php/PEAR-PEAR-1.3.5 105 kB [ebuild N ] dev-php/PEAR-XML_Parser-1.2.4 10 kB [ebuild N ] dev-php/PEAR-XML_Util-1.1.1 8 kB [ebuild N ] dev-php/PEAR-XML_Serializer-0.15.0 16 kB [ebuild N ] dev-php/PEAR-Net_DIME-0.3 6 kB [ebuild N ] dev-php/PEAR-Net_URL-1.0.14 5 kB [ebuild N ] dev-php/PEAR-HTTP_Request-1.2.4 12 kB [ebuild N ] dev-php/PEAR-SOAP-0.8.1 67 kB [ebuild N ] dev-php/PEAR-Cache-1.5.4 29 kB [ebuild N ] dev-php/PEAR-Services_Weather-1.3.1 43 kB [ebuild N ] www-apps/horde-pear-1.3-r3 0 kB [ebuild N ] www-apps/horde-3.0.9 +mysql -vhosts 3,650 kB [ebuild N ] www-apps/horde-imp-4.0.4 -vhosts 3,271 kB my emerge --info: radioart portage # emerge --info Portage 2.0.53 (default-linux/x86/2005.1, gcc-3.3.5-20050130, glibc-2.3.4.20041102-r1, 2.6.14-gentoo-r5 i686) ================================================================= System uname: 2.6.14-gentoo-r5 i686 Pentium III (Katmai) Gentoo Base System version 1.6.12 dev-lang/python: 2.3.5 sys-apps/sandbox: 1.2.11 sys-devel/autoconf: 2.13, 2.59-r6 sys-devel/automake: 1.4_p6, 1.5, 1.6.3, 1.7.9-r1, 1.8.5-r3, 1.9.6-r1 sys-devel/binutils: 2.15.92.0.2-r10 sys-devel/libtool: 1.5.18-r1 virtual/os-headers: 2.6.11-r2 ACCEPT_KEYWORDS="x86" AUTOCLEAN="yes" CBUILD="i686-pc-linux-gnu" CFLAGS="-O2 -march=i686 -pipe" CHOST="i686-pc-linux-gnu" CONFIG_PROTECT="/etc /usr/kde/2/share/config /usr/kde/3/share/config /usr/share/config /var/bind /var/qmail/control" CONFIG_PROTECT_MASK="/etc/gconf /etc/terminfo /etc/env.d" CXXFLAGS="-O2 -march=i686 -pipe" DISTDIR="/usr/portage/distfiles" FEATURES="autoconfig distlocks sandbox sfperms strict" GENTOO_MIRRORS="http://gentoo.chem.wisc.edu/gentoo http://src.gentoo.pl" PKGDIR="/usr/portage/packages" PORTAGE_TMPDIR="/var/tmp" PORTDIR="/usr/portage" SYNC="rsync://rsync.gentoo.org/gentoo-portage" USE="x86 aac alsa apm arts avi bitmap-fonts bzip2 crypt cups curl eds emboss encode exif expat foomaticdb fortran ftp gdbm gif gpm gstreamer gtk2 imlib innodb ipv6 jpeg lame libg++ libwww mad maildir mikmod motif mp3 mp4 mpeg mysql ncurses nls ogg oggvorbis opengl pam pcre pdflib perl php png python quicktime readline sdl soap spell ssl symlink tcpd truetype truetype-fonts type1-fonts udev userlocales vorbis xml xml2 xmlrpc xmms xv yp zlib userland_GNU kernel_linux elibc_glibc" Unset: ASFLAGS, CTARGET, LANG, LC_ALL, LDFLAGS, LINGUAS, MAKEOPTS, PORTDIR_OVERLAY /etc/portage/package.use: dev-db/mysql -perl dev-lang/php cgi cli -gdbm gd session ldap mail-mta/postfix sasl /etc/portage/package.unmask: net-misc/icecast dev-db/mysql www-apache/mod_suphp dev-lang/php app-admin/php-toolkit www-apps/horde-imp www-apps/horde
No blocks whatsoever here - every pear ebuild version in the output you've posted is wrong. All the pear ebuilds needed for dev-lang/php are stable now on x86, so if those are you only stable versions, you need to emerge sync first. # emerge -av horde-imp These are the packages that I would merge, in order: Calculating dependencies ...done! [ebuild N ] dev-php/PEAR-Log-1.9.3 33 kB [ebuild N ] dev-php/PEAR-Cache-1.5.4-r1 29 kB [ebuild N ] dev-php/PEAR-XML_Util-1.1.1-r1 8 kB [ebuild N ] dev-php/PEAR-XML_Serializer-0.18.0 22 kB [ebuild N ] dev-php/PEAR-Net_DIME-0.3-r1 6 kB [ebuild N ] dev-php/PEAR-SOAP-0.9.1 67 kB [ebuild N ] dev-php/PEAR-Services_Weather-1.3.2-r1 43 kB [ebuild N ] www-apps/horde-pear-1.3-r3 0 kB [ebuild N ] www-apps/horde-3.0.9 USE="mysql vhosts" 3,650 kB [ebuild N ] www-apps/horde-imp-4.0.4 USE="vhosts" 3,271 kB