Bugzilla Bug 176184

sci-libs/netcdf-3.6.2 can peacefully coexist with sci-libs/hdf-4.2.0-r4.  I've
tested netcdf-3.6.2 on a system with both installed and my programs that use
netcdf worked fine.

emerge --info
Portage 2.1.2.4 (default-linux/x86/2006.1/desktop, gcc-4.1.2, glibc-2.5-r1,
2.6.20-gentoo-r6 i686)
=================================================================
System uname: 2.6.20-gentoo-r6 i686 Intel(R) Pentium(R) 4 CPU 3.00GHz
Gentoo Base System release 1.12.10
Timestamp of tree: Thu, 26 Apr 2007 20:20:02 +0000
distcc 2.18.3 i686-pc-linux-gnu (protocols 1 and 2) (default port 3632)
[disabled]
ccache version 2.4 [enabled]
dev-java/java-config: 1.3.7, 2.0.31-r7
dev-lang/python:     2.4.4
dev-python/pycrypto: 2.0.1-r5
dev-util/ccache:     2.4-r7
sys-apps/sandbox:    1.2.18.1
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: 1.3.16
sys-devel/libtool:   1.5.23b
virtual/os-headers:  2.6.20-r2
ACCEPT_KEYWORDS="x86 ~x86"
AUTOCLEAN="yes"
CBUILD="i686-pc-linux-gnu"
CFLAGS="-O2 -mtune=prescott -march=prescott -pipe"
CHOST="i686-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 /usr/spool/PBS"
CONFIG_PROTECT_MASK="/etc/env.d /etc/env.d/java/ /etc/gconf
/etc/java-config/vms/ /etc/php/apache1-php5/ext-active/
/etc/php/apache2-php5/ext-active/ /etc/php/cgi-php5/ext-active/
/etc/php/cli-php5/ext-active/ /etc/revdep-rebuild /etc/splash /etc/terminfo
/etc/texmf/web2c"
CXXFLAGS="-O2 -mtune=prescott -march=prescott -pipe"
DISTDIR="/home/gentoo/portage/distfiles"
FEATURES="candy ccache distlocks metadata-transfer parallel-fetch sandbox
sfperms strict userfetch userpriv usersandbox"
GENTOO_MIRRORS="http://mirror.espri.arizona.edu/gentoo/
http://mirror.phy.olemiss.edu/mirror/gentoo
http://gentoo.mirrors.easynews.com/linux/gentoo/
http://cudlug.cudenver.edu/gentoo/ http://open-systems.ufl.edu/mirrors/gentoo
http://www.gtlib.gatech.edu/pub/gentoo http://gentoo.llarian.net/
http://mirror.datapipe.net/gentoo http://gentoo.cites.uiuc.edu/pub/gentoo/
http://gentoo.osuosl.org/ http://gentoo.chem.wisc.edu/gentoo/"
LANG="en_US.UTF-8"
LC_ALL="en_US.UTF-8"
LDFLAGS="-Wl,-O1 -Wl,--sort-common"
LINGUAS="en en_US"
MAKEOPTS="-j2 -s -w"
PKGDIR="/home/gentoo/portage/packages"
PORTAGE_RSYNC_EXTRA_OPTS="--timeout=20 --prune-empty-dirs"
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
--filter=H_**/files/digest-*"
PORTAGE_TMPDIR="/tmp"
PORTDIR="/home/gentoo/portage"
PORTDIR_OVERLAY="/home/gentoo/local/portage /home/gentoo/local/layman/science
/home/gentoo/local/layman/vmware /home/gentoo/local/layman/xeffects
/home/gentoo/local/layman/sunrise"
SYNC="rsync://rsync.namerica.gentoo.org/gentoo-portage"
USE="7zip X Xaw3d a52 aac aalib acct acl acpi activefilter ada aiglx aim aio
akode alsa amarok amazon amd amr animgif ansi aoss aotuv apache apache2 apm
arts artswrappersuid artworkextra asf asm asterisk async atm auctex audiofile
auth authdaemond authfile automount background bash-completion bcmath bcp bdf
berkdb bigpatch binary-drivers binfilter bitmap-fonts bittorrent bjam bl blas
blender-game bonobo boost branding bzip2 c++ cairo calendar cap caps catalogs
cblas ccache cdda cddb cdf cdinstall cdparanoia cdr cdrom cgi checkpath chm
chroot cli colordiff config_wizard contrib corba cppunit cracklib crosscompile
crypt cscope css ctype cups curl curlwrappers cvs cvsgraph cxx d daap dbm dbus
dbx deprecated device-mapper dga dhcp dio directfb discard-path discouraged
divx djvu dmi dnd dnotify dri dts dv dvd dvdr dvdread dvi dynagraph ecc editor
effects emboss emerald emf emoticon emovix enca encode enscript epson erandom
esd examples excel exif expat extrafilters extraicons extramodules f90 fam fame
fastbuild fastcgi fat fbcon fbdev fbsplash festival ffmpeg fftw filter finger
firefox fits flac flash flatfile fltk fmod font-server fontconfig foomaticdb
force-cgi-redirect fortran fortran95 fpx freetts ftp fuse gb gcc-libffi gcj gd
gdal gdbm geoip geos ggi gif gimp gimpprint ginac gkrellm glade glep glgd glib
glibc-omitfp glitz glut gmail gmath gmedia gml gmp gmtfull gmthigh gmtsuppl
gmttria gnome gnome-print gnomedb gnuplot gnutls gocr gpg2-experimental gpgme
gphoto2 gpm gps grammar graphviz gs gsl gssapi gstreamer gtk gtk2 gtkhtml guile
gzip hal haskell hddtemp hdf hdf5 hfs high-ints hlapi hou hpn html httpd i8x0
ical iconv icq icu id3 ide idea idn image imagemagick imap imlib inifile inkjar
insecure-drivers insecure-savers isdnlog itcl jack jai java javacomm javascript
jbig jce jikes jimi jit john jpeg jpeg2k junit jython kcal kde kdecards
kdeenablefinal kdehiddenvisibility kdepim kdexdeltas kqemu lame lapack
largefile largeterminal lash latex lcms ldap libcaca libclamav libdsk libg++
libgda libnotify libsamplerate live lm_sensors logitech-mouse logrotate
logwatch lzo lzw mad mail maildir mailwrapper maps math matroska mbrola mcal
md5sum mhash midi mikmod mime ming minuit mixer mjpeg mmap mmx mmxext mng mod
mod_python modplug module mono mopac7 motif mozbranding mozcalendar mozdevelop
mozdom moznocompose moznoirc moznomail mozsha1 mozsvg mp2 mp3 mp4 mp4live mpeg
mpeg2 mplayer mpm-prefork mpqc mtp multiprocess musepack music musicbrainz
mysql na_dd na_icons nas ncurses net netcdf nethack netmeeting network
network-cron new-clx new-login newspr nfs nls nntp no-old-linux no-seamonkey
nocd nodoc nodrm nosource nosrc nowin nptl nptlonly nsplugin ntfs ntlm ntp
numarray numeric oav objc objc++ ocaml ocr ocrad octave odk ofa offensive ofx
ogdi ogg on-the-fly-crypt openal openbabel openexr opengl openssl opensslcrypt
openstreetmap osc oss pager pam pam_chroot pam_console pam_timestamp pango
paranoidmsg parse-clocks pascal patch patented pbs pch pcntl pcre pdf perl
pertty php physfs pic player plib plotutils plugin pmount png pnm pop portaudio
posix postfix povray ppds pppd print proj ps pyste python qhull qt3 qt3support
qt4 quicktime quotas quotes radio rar rc5 rdesktop readline real realmedia
reflection remix rle rogue rpc rrdtool rtc rtsp ruby samba sasl scanner screen
script scripting sdk sdl sdl-image sdl-sound search sender serial session sftp
sftplogging shared sharedext sharedmem shorten shout skins slp smime smp smtp
sndfile soap sockets socks5 sou sound sounds sox spamassassin speech speedo
speex spell spl sql sqlite sqlite3 srt sse sse2 ssl startup-notification stl
stlport stream subject-rewrite subtitles subversion suid svg svga svgz
svn-mirror swat symlink sysfs syslog sysvipc szip t1lib tagwriting tcl tcltk
tcpd tesseract test tetex text texteffect textures tga themes theora thesaurus
threads tidy tiff timidity tk tntc tokenizer tomsfastmath toolbar tools
transcode transparency truetype truetype-fonts type1 type1-fonts ucs2 ucs4
unicode unzip upnp urandom usb userlocales utempter uudeview v4l v4l2 vcd vdr
videos vidix vim vim-pager vim-with-x virus-scan visualization vlm vnc
vncviewer voice vorbis vorbis-psy wavpack webdav win32codecs wma wmf wmp
wordperfect wxwindows x264 x86 xanim xcb xcomposite xerces-c xface xforms xft
xine xinetd xml xmlreader xmlrpc xmlwriter xorg xosd xpm xprint xscreensaver
xsl xslt xtended xterm xv xvid xvmc xvnc yaepg yv12 zip zlib zoran zvbi"
ALSA_CARDS="intel8x0 intel8x0m pxa2xx-ac97 hda-intel" ALSA_PCM_PLUGINS="adpcm
alaw asym copy dmix dshare dsnoop empty extplug file hooks iec958 ioplug ladspa
lfloat linear meter mulaw multi null plug rate route share shm softvol"
CAMERAS="all" ELIBC="glibc" INPUT_DEVICES="keyboard mouse jamstudio"
KERNEL="linux" LCD_DEVICES="bayrad cfontz cfontz633 glk hd44780 lb216 lcdm001
mtxorb ncurses text" LINGUAS="en en_US" USERLAND="GNU" VIDEO_CARDS="i810 i830"
Unset:  CTARGET, EMERGE_DEFAULT_OPTS, INSTALL_MASK, PORTAGE_COMPRESS,
PORTAGE_COMPRESS_FLAGS

Yes, hdf-4 rename its binaries. Thanks Erik for testing! I removed the blocking
in cvs.