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Bug 394995 - emerge: InvalidDependString: USE flag 'birdstep' is not in IUSE (REQUIRED_USE contains flag not in IUSE)
Summary: emerge: InvalidDependString: USE flag 'birdstep' is not in IUSE (REQUIRED_USE...
Status: RESOLVED FIXED
Alias: None
Product: Portage Development
Classification: Unclassified
Component: Core - Dependencies (show other bugs)
Hardware: All Linux
: Normal normal (vote)
Assignee: Portage team
URL:
Whiteboard:
Keywords:
Depends on:
Blocks: 395831
  Show dependency tree
 
Reported: 2011-12-16 21:36 UTC by Paweł Hajdan, Jr. (RETIRED)
Modified: 2011-12-23 18:58 UTC (History)
1 user (show)

See Also:
Package list:
Runtime testing required: ---


Attachments
package.rdeps (package.rdeps,3.37 KB, text/plain)
2011-12-16 21:36 UTC, Paweł Hajdan, Jr. (RETIRED)
Details
emerge.debug.bz2 (emerge.debug.bz2,43.56 KB, application/x-bzip)
2011-12-16 21:42 UTC, Paweł Hajdan, Jr. (RETIRED)
Details

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Description Paweł Hajdan, Jr. (RETIRED) gentoo-dev 2011-12-16 21:36:00 UTC
Created attachment 296081 [details]
package.rdeps

See attached package.rdeps file.

# USE="lyx zeroconf server avahi xmlrpc clarens furigana vacation normalize wav mp3 -taglib encode -twolame toolame" emerge -1av --keep-going $(egrep -v '^#' ~ph/package.rdeps)

These are the packages that would be merged, in order:

Calculating dependencies... done!

The following USE changes are necessary to proceed:
#required by kde-base/kdesu-4.7.3, required by kde-base/khelpcenter-4.7.3, required by kde-base/kdelibs-4.7.3-r1[handbook], required by sys-auth/polkit-kde-agent-0.99.0, required by kde-misc/polkit-kde-kcmodules-0.98_pre20101127
=x11-libs/qt-qt3support-4.7.2 kde
#required by kde-base/kdesu-4.7.3, required by kde-base/khelpcenter-4.7.3, required by kde-base/kdelibs-4.7.3-r1[handbook], required by sys-auth/polkit-kde-agent-0.99.0, required by kde-misc/polkit-kde-kcmodules-0.98_pre20101127
=x11-libs/qt-webkit-4.7.2 kde

NOTE: This --autounmask behavior can be disabled by setting
      EMERGE_DEFAULT_OPTS="--autounmask=n" in make.conf.

Use --autounmask-write to write changes to config files (honoring CONFIG_PROTECT).
Traceback (most recent call last):
  File "/usr/bin/emerge", line 43, in <module>
    retval = emerge_main()
  File "/usr/lib/portage/pym/_emerge/main.py", line 1906, in emerge_main
    myopts, myaction, myfiles, spinner)
  File "/usr/lib/portage/pym/_emerge/actions.py", line 299, in action_build
    mydepgraph.display_problems()
  File "/usr/lib/portage/pym/_emerge/depgraph.py", line 6049, in display_problems
    self._show_unsatisfied_dep(*pargs, **kwargs)
  File "/usr/lib/portage/pym/_emerge/depgraph.py", line 2954, in _show_unsatisfied_dep
    if check_required_use(required_use, old_use, pkg.iuse.is_valid_flag) and \
  File "/usr/lib/portage/pym/portage/dep/__init__.py", line 2219, in check_required_use
    if is_active(op[:-1]):
  File "/usr/lib/portage/pym/portage/dep/__init__.py", line 2167, in is_active
    raise InvalidDependString(msg, errors=(e,))
InvalidDependString: USE flag 'birdstep' is not in IUSE

Portage 2.1.10.11 (default/linux/x86/10.0/developer, gcc-4.5.3, glibc-2.13-r4, 3.0.6-gentoo i686)
=================================================================
System uname: Linux-3.0.6-gentoo-i686-Intel-R-_Core-TM-2_Duo_CPU_P8700_@_2.53GHz-with-gentoo-2.0.3
Timestamp of tree: Fri, 16 Dec 2011 19:30:01 +0000
app-shells/bash:          4.1_p9
dev-java/java-config:     2.1.11-r3
dev-lang/python:          2.7.2-r3, 3.1.4-r3
dev-util/cmake:           2.8.6-r4
dev-util/pkgconfig:       0.26
sys-apps/baselayout:      2.0.3
sys-apps/openrc:          0.9.4
sys-apps/sandbox:         2.5
sys-devel/autoconf:       2.68
sys-devel/automake:       1.11.1
sys-devel/binutils:       2.21.1-r1
sys-devel/gcc:            4.5.3-r1
sys-devel/gcc-config:     1.4.1-r1
sys-devel/libtool:        2.4-r1
sys-devel/make:           3.82-r1
sys-kernel/linux-headers: 2.6.39 (virtual/os-headers)
sys-libs/glibc:           2.13-r4
Repositories: gentoo x-portage
ACCEPT_KEYWORDS="x86"
ACCEPT_LICENSE="*"
CBUILD="i686-pc-linux-gnu"
CFLAGS="-O2 -march=i686 -pipe"
CHOST="i686-pc-linux-gnu"
CONFIG_PROTECT="/etc /usr/share/gnupg/qualified.txt /var/qmail/alias /var/qmail/control"
CONFIG_PROTECT_MASK="/etc/ca-certificates.conf /etc/env.d /etc/env.d/java/ /etc/fonts/fonts.conf /etc/gconf /etc/gentoo-release /etc/revdep-rebuild /etc/sandbox.d /etc/terminfo"
CXXFLAGS="-O2 -march=i686 -pipe"
DISTDIR="/usr/portage/distfiles"
FEATURES="assume-digests binpkg-logs collision-protect compress-build-logs distlocks ebuild-locks fixlafiles fixpackages multilib-strict news parallel-fetch protect-owned sandbox sfperms sign splitdebug strict test test-fail-continue unknown-features-warn unmerge-logs unmerge-orphans userfetch userpriv usersandbox"
FFLAGS=""
GENTOO_MIRRORS="http://distfiles.gentoo.org"
LDFLAGS="-Wl,--hash-style=gnu -Wl,-O1 -Wl,--as-needed"
MAKEOPTS="-j3"
PKGDIR="/usr/portage/packages"
PORTAGE_CONFIGROOT="/"
PORTAGE_RSYNC_OPTS="--recursive --links --safe-links --perms --times --compress --force --whole-file --delete --stats --timeout=180 --exclude=/distfiles --exclude=/local --exclude=/packages"
PORTAGE_TMPDIR="/var/tmp"
PORTDIR="/usr/portage"
PORTDIR_OVERLAY="/usr/local/portage"
SYNC="rsync://rsync.gentoo.org/gentoo-portage"
USE="X a52 aac acl acpi alsa berkdb bzip2 cairo cdda cdr cli consolekit cracklib crypt cups cxx dbus device-mapper dri dts dvd dvdr emacs emboss encode exif fam firefox flac fortran gdbm gdu gif git gnome-keyring gnutls gtk iconv icu jpeg lcms libnotify mad mbox mercurial mng modules mp3 mp4 mpeg mudflap ncurses nls nptl nptlonly nss objc ogg opengl openmp pam pango pcre pdf perl png policykit ppds pppd python qt3support readline sdl secure-delete session snmp spell sqlite ssl startup-notification subversion svg sysfs tcb tcpd threads tiff toolkit-scroll-bars truetype udev unicode usb vorbis x264 x86 xcb xft xinerama xml xorg xulrunner xv xvfb xvid zlib" ALSA_CARDS="ens1371" ALSA_PCM_PLUGINS="adpcm alaw asym copy dmix dshare dsnoop empty extplug file hooks iec958 ioplug ladspa lfloat linear meter mmap_emul mulaw multi null plug rate route share shm softvol" APACHE2_MODULES="actions alias auth_basic authn_alias authn_anon authn_dbm authn_default authn_file authz_dbm authz_default authz_groupfile authz_host authz_owner authz_user autoindex cache cgi cgid dav dav_fs dav_lock deflate dir disk_cache env expires ext_filter file_cache filter headers include info log_config logio mem_cache mime mime_magic negotiation rewrite setenvif speling status unique_id userdir usertrack vhost_alias" CALLIGRA_FEATURES="kexi words flow plan stage tables krita karbon braindump" CAMERAS="ptp2" COLLECTD_PLUGINS="df interface irq load memory rrdtool swap syslog" ELIBC="glibc" GPSD_PROTOCOLS="ashtech aivdm earthmate evermore fv18 garmin garmintxt gpsclock itrax mtk3301 nmea ntrip navcom oceanserver oldstyle oncore rtcm104v2 rtcm104v3 sirf superstar2 timing tsip tripmate tnt ubx" INPUT_DEVICES="evdev keyboard vmmouse" KERNEL="linux" LCD_DEVICES="bayrad cfontz cfontz633 glk hd44780 lb216 lcdm001 mtxorb ncurses text" PHP_TARGETS="php5-3" RUBY_TARGETS="ruby18" USERLAND="GNU" VIDEO_CARDS="vmware vesa vga" XTABLES_ADDONS="quota2 psd pknock lscan length2 ipv4options ipset ipp2p iface geoip fuzzy condition tee tarpit sysrq steal rawnat logmark ipmark dhcpmac delude chaos account"
Unset:  CPPFLAGS, CTARGET, EMERGE_DEFAULT_OPTS, INSTALL_MASK, LANG, LC_ALL, LINGUAS, PORTAGE_BUNZIP2_COMMAND, PORTAGE_COMPRESS, PORTAGE_COMPRESS_FLAGS, PORTAGE_RSYNC_EXTRA_OPTS
Comment 1 Paweł Hajdan, Jr. (RETIRED) gentoo-dev 2011-12-16 21:42:02 UTC
Created attachment 296083 [details]
emerge.debug.bz2

When I add USE=kde (full --debug output attached):

Child:         (dev-lang/php-5.3.8::gentoo, ebuild scheduled for merge) USE="berkdb bzip2 cli crypt ctype exif fileinfo filter gdbm hash iconv imap json nls phar posix readline session simplexml snmp spell sqlite ssl test threads tokenizer truetype unicode xml xmlrpc zlib -adabas -apache2 -bcmath -birdstep -calendar -cdb -cgi -cjk -curl -curlwrappers -db2 -dbmaker -debug -doc -embed -empress -empress-bcs -enchant -esoob -firebird -flatfile -fpm -frontbase -ftp -gd -gd-external -gmp -inifile -interbase -intl -iodbc -ipv6 -kerberos -kolab -ldap -ldap-sasl -libedit -mhash -mssql -mysql -mysqli -mysqlnd -oci8 -oci8-instant-client -odbc -pcntl -pdo -pic -postgres -qdbm -recode -sapdb -sharedext -sharedmem -soap -sockets -solid -sqlite3 -suhosin -sybase-ct -sysvipc -tidy -wddx -xmlreader -xmlwriter -xpm -xsl -zip"
Parent Dep:    dev-lang/php[session,unicode,imap,xmlrpc] required by (www-apps/postfixadmin-2.3.2::gentoo, ebuild scheduled for merge)
... done!
Traceback (most recent call last):
  File "/usr/bin/emerge", line 43, in <module>
    retval = emerge_main()
  File "/usr/lib/portage/pym/_emerge/main.py", line 1906, in emerge_main
    myopts, myaction, myfiles, spinner)
  File "/usr/lib/portage/pym/_emerge/actions.py", line 299, in action_build
    mydepgraph.display_problems()
  File "/usr/lib/portage/pym/_emerge/depgraph.py", line 6049, in display_problems
    self._show_unsatisfied_dep(*pargs, **kwargs)
  File "/usr/lib/portage/pym/_emerge/depgraph.py", line 2954, in _show_unsatisfied_dep
    if check_required_use(required_use, old_use, pkg.iuse.is_valid_flag) and \
  File "/usr/lib/portage/pym/portage/dep/__init__.py", line 2219, in check_required_use
    if is_active(op[:-1]):
  File "/usr/lib/portage/pym/portage/dep/__init__.py", line 2167, in is_active
    raise InvalidDependString(msg, errors=(e,))
InvalidDependString: USE flag 'birdstep' is not in IUSE
Comment 2 Paweł Hajdan, Jr. (RETIRED) gentoo-dev 2011-12-16 21:42:46 UTC
This seems a bit php-related (see comment above), so CC-ing php-bugs.
Comment 3 Paweł Hajdan, Jr. (RETIRED) gentoo-dev 2011-12-16 21:43:51 UTC
By the way, this works fine:

# USE="gd" emerge -1av php

These are the packages that would be merged, in order:

Calculating dependencies... done!
[ebuild  NS    ] dev-db/sqlite-2.8.16-r5 [3.7.7.1] USE="nls -doc -tcl" 0 kB
[ebuild  N     ] dev-libs/oniguruma-5.9.2  0 kB
[ebuild  N     ] dev-libs/libmcrypt-2.5.8-r2  0 kB
[ebuild  N     ] app-admin/eselect-php-0.6.2  0 kB
[ebuild  N     ] media-libs/t1lib-5.1.2  USE="X -doc -static-libs" 0 kB
[ebuild  N     ] dev-perl/perl-tk-804.29.0  0 kB
[ebuild  N     ] net-analyzer/net-snmp-5.4.2.1-r4  USE="X bzip2 perl python ssl tcpd zlib -diskio -doc -elf -extensible -ipv6 -lm_sensors -mfd-rewrites -minimal -rpm (-selinux) -sendmail -smux" 0 kB
[ebuild  N     ] app-text/aspell-0.60.6.1  USE="nls" LINGUAS="-af -be -bg -br -ca -cs -cy -da -de -el -en -eo -es -et -fi -fo -fr -ga -gl -he -hr -is -it -la -lt -nl -no -pl -pt -pt_BR -ro -ru -sk -sl -sr -sv -uk -vi" 0 kB
[ebuild  N     ] app-dicts/aspell-en-6.0.0  0 kB
[ebuild  N     ] dev-lang/php-5.3.8  USE="berkdb bzip2 cli crypt ctype exif fileinfo filter gd gdbm hash iconv json nls phar posix readline session simplexml snmp spell sqlite ssl threads tokenizer truetype unicode xml zlib -adabas -apache2 -bcmath -birdstep -calendar -cdb -cgi -cjk -curl -curlwrappers -db2 -dbmaker -debug -doc -embed -empress -empress-bcs -enchant -esoob -firebird -flatfile -fpm -frontbase -ftp -gd-external -gmp -imap -inifile -interbase -intl -iodbc -ipv6 -kerberos -kolab -ldap -ldap-sasl -libedit -mhash -mssql -mysql -mysqli -mysqlnd -oci8 -oci8-instant-client -odbc -pcntl -pdo -pic -postgres -qdbm -recode -sapdb -sharedext -sharedmem -soap -sockets -solid -sqlite3 -suhosin -sybase-ct -sysvipc -tidy -wddx -xmlreader -xmlrpc -xmlwriter -xpm -xsl -zip" 0 kB

Total: 10 packages (9 new, 1 in new slot), Size of downloads: 0 kB

Would you like to merge these packages? [Yes/No]
Comment 4 Paweł Hajdan, Jr. (RETIRED) gentoo-dev 2011-12-16 21:46:52 UTC
Here's a better (smaller) repro:


# emerge -1av --debug postfixadmin
myaction None
myopts {'--ask': True, '--oneshot': True, '--debug': True, '--verbose': True}


myparams {'recurse': True}


These are the packages that would be merged, in order:

Calculating dependencies  

      Arg: postfixadmin
     Atom: www-apps/postfixadmin
   ebuild: www-apps/postfixadmin-2.3.2::gentoo

Child:         (www-apps/postfixadmin-2.3.2::gentoo, ebuild scheduled for merge) USE="test vacation -mysql -postgres -vhosts -xmlrpc"
Parent Dep:    postfixadmin

Parent:    (www-apps/postfixadmin-2.3.2::gentoo, ebuild scheduled for merge)
Depstring: vacation? ( dev-perl/DBI virtual/perl-MIME-Base64 dev-perl/MIME-EncWords dev-perl/Email-Valid dev-perl/Mail-Sender dev-perl/log-dispatch dev-perl/Log-Log4perl dev-perl/MIME-Charset mysql? ( dev-perl/DBD-mysql ) postgres? ( dev-perl/DBD-Pg ) ) xmlrpc? ( dev-php/ZendFramework[-minimal] ) dev-lang/php[session,unicode,imap,postgres?,xmlrpc?] || ( virtual/httpd-cgi virtual/httpd-fastcgi ) virtual/httpd-php >=app-admin/webapp-config-1.50.15
Priority:  buildtime

Parent:    (www-apps/postfixadmin-2.3.2::gentoo, ebuild scheduled for merge)
Depstring: dev-perl/DBI dev-perl/MIME-EncWords dev-perl/Email-Valid dev-perl/Mail-Sender dev-perl/log-dispatch dev-perl/Log-Log4perl dev-perl/MIME-Charset dev-lang/php[session,unicode,imap,postgres?,xmlrpc?] >=app-admin/webapp-config-1.50.15
Priority:  buildtime
Candidates: ['dev-perl/Email-Valid', 'dev-perl/MIME-EncWords', 'dev-lang/php[session,unicode,imap]', 'dev-perl/MIME-Charset', 'dev-perl/Log-Log4perl', '>=app-admin/webapp-config-1.50.15', 'dev-perl/log-dispatch', 'dev-perl/DBI', 'dev-perl/Mail-Sender']
   ebuild: dev-perl/Email-Valid-0.184::gentoo
   ebuild: dev-perl/MIME-EncWords-1.012::gentoo
   ebuild: dev-lang/php-5.3.8::gentoo
   ebuild: dev-perl/MIME-Charset-1.008::gentoo
   ebuild: dev-perl/Log-Log4perl-1.28::gentoo
   ebuild: app-admin/webapp-config-1.50.16-r1::gentoo
   ebuild: dev-perl/log-dispatch-2.22::gentoo
   ebuild: dev-perl/DBI-1.615::gentoo
   ebuild: dev-perl/Mail-Sender-0.8.13::gentoo

Child:         (dev-perl/MIME-Charset-1.008::gentoo, ebuild scheduled for merge) USE="test"
Parent Dep:    dev-perl/MIME-Charset required by (www-apps/postfixadmin-2.3.2::gentoo, ebuild scheduled for merge)

Child:         (dev-perl/Email-Valid-0.184::gentoo, ebuild scheduled for merge) USE="test"
Parent Dep:    dev-perl/Email-Valid required by (www-apps/postfixadmin-2.3.2::gentoo, ebuild scheduled for merge)

Child:         (dev-perl/log-dispatch-2.22::gentoo, ebuild scheduled for merge) USE="test"
Parent Dep:    dev-perl/log-dispatch required by (www-apps/postfixadmin-2.3.2::gentoo, ebuild scheduled for merge)

Child:         (dev-perl/Mail-Sender-0.8.13::gentoo, ebuild scheduled for merge) USE="test"
Parent Dep:    dev-perl/Mail-Sender required by (www-apps/postfixadmin-2.3.2::gentoo, ebuild scheduled for merge)

Child:         (dev-lang/php-5.3.8::gentoo, ebuild scheduled for merge) USE="berkdb bzip2 cli crypt ctype exif fileinfo filter gdbm hash iconv imap json nls phar posix readline session simplexml snmp spell sqlite ssl test threads tokenizer truetype unicode xml zlib -adabas -apache2 -bcmath -birdstep -calendar -cdb -cgi -cjk -curl -curlwrappers -db2 -dbmaker -debug -doc -embed -empress -empress-bcs -enchant -esoob -firebird -flatfile -fpm -frontbase -ftp -gd -gd-external -gmp -inifile -interbase -intl -iodbc -ipv6 -kerberos -kolab -ldap -ldap-sasl -libedit -mhash -mssql -mysql -mysqli -mysqlnd -oci8 -oci8-instant-client -odbc -pcntl -pdo -pic -postgres -qdbm -recode -sapdb -sharedext -sharedmem -soap -sockets -solid -sqlite3 -suhosin -sybase-ct -sysvipc -tidy -wddx -xmlreader -xmlrpc -xmlwriter -xpm -xsl -zip"
Parent Dep:    dev-lang/php[session,unicode,imap] required by (www-apps/postfixadmin-2.3.2::gentoo, ebuild scheduled for merge)
Traceback (most recent call last):
  File "/usr/bin/emerge", line 43, in <module>
    retval = emerge_main()
  File "/usr/lib/portage/pym/_emerge/main.py", line 1906, in emerge_main
    myopts, myaction, myfiles, spinner)
  File "/usr/lib/portage/pym/_emerge/actions.py", line 299, in action_build
    mydepgraph.display_problems()
  File "/usr/lib/portage/pym/_emerge/depgraph.py", line 6049, in display_problems
    self._show_unsatisfied_dep(*pargs, **kwargs)
  File "/usr/lib/portage/pym/_emerge/depgraph.py", line 2954, in _show_unsatisfied_dep
    if check_required_use(required_use, old_use, pkg.iuse.is_valid_flag) and \
  File "/usr/lib/portage/pym/portage/dep/__init__.py", line 2219, in check_required_use
    if is_active(op[:-1]):
  File "/usr/lib/portage/pym/portage/dep/__init__.py", line 2167, in is_active
    raise InvalidDependString(msg, errors=(e,))
InvalidDependString: USE flag 'birdstep' is not in IUSE
Comment 5 Zac Medico gentoo-dev 2011-12-16 23:59:06 UTC
(In reply to comment #4)
> Child:         (dev-lang/php-5.3.8::gentoo, ebuild scheduled for merge)
> USE="berkdb bzip2 cli crypt ctype exif fileinfo filter gdbm hash iconv imap
> json nls phar posix readline session simplexml snmp spell sqlite ssl test
> threads tokenizer truetype unicode xml zlib -adabas -apache2 -bcmath -birdstep
[snip]
> InvalidDependString: USE flag 'birdstep' is not in IUSE

The error is puzzling, given that the debug output shows -birdstep in USE (implying that birdstep is in IUSE).
Comment 6 Zac Medico gentoo-dev 2011-12-17 00:14:36 UTC
(In reply to comment #5)
> The error is puzzling, given that the debug output shows -birdstep in USE
> (implying that birdstep is in IUSE).

Given that I'm extremely puzzled by this at the moment, you might want to see if you can reproduce this with portage-2.1.10.41, since I don't have any better ideas.
Comment 7 Ole Markus With (RETIRED) gentoo-dev 2011-12-17 09:48:51 UTC
I am not sure if it helps, but I removed birdstep for php-5.3.9_rc3, which is in ~arch. I see that 5.3.8 is what is mentioned in this bug, but it is a bit of a weird coincidence that this bug is reported on the day I committed that ebuild.
Comment 8 Zac Medico gentoo-dev 2011-12-17 17:04:08 UTC
(In reply to comment #7)
> I am not sure if it helps, but I removed birdstep for php-5.3.9_rc3, which is
> in ~arch. I see that 5.3.8 is what is mentioned in this bug, but it is a bit of
> a weird coincidence that this bug is reported on the day I committed that
> ebuild.

That's interesting. The debug output doesn't show any mention of php-5.3.9_rc3 though, so it doesn't seem like they can be related.
Comment 9 Paweł Hajdan, Jr. (RETIRED) gentoo-dev 2011-12-17 18:49:16 UTC
(In reply to comment #8)
> That's interesting. The debug output doesn't show any mention of php-5.3.9_rc3
> though, so it doesn't seem like they can be related.

display_problems appears in the stacktrace. My theory is that emerge was going to suggest me something (like unmasking php-5.3.9_rc3) and then got confused that some version of php have birdstep USE flag and some don't. However, even if I use --autounmask=n, the problem persists.

When I removed >php-5.3.8 from my /usr/portage tree, the problem disappeared. I think that means php-5.3.9_rc3 indeed has something in common with this bug.
Comment 10 Zac Medico gentoo-dev 2011-12-17 19:16:40 UTC
(In reply to comment #9)
> display_problems appears in the stacktrace. My theory is that emerge was going
> to suggest me something (like unmasking php-5.3.9_rc3) and then got confused
> that some version of php have birdstep USE flag and some don't. However, even
> if I use --autounmask=n, the problem persists.
> 
> When I removed >php-5.3.8 from my /usr/portage tree, the problem disappeared. I
> think that means php-5.3.9_rc3 indeed has something in common with this bug.

It turns out that php-5.3.9_rc3 had birdstep in REQUIRED_USE, which was invalid since it wasn't in IUSE. We need to fix emerge to skip packages with invalid metadata like this, so that it doesn't trigger an exception later inside the depgraph's _show_unsatisfied_dep method, where it examines all matching versions of the package (even masked ones).
Comment 11 Zac Medico gentoo-dev 2011-12-17 19:18:18 UTC
I've fixed the ebuild in CVS:

Index: php-5.3.9_rc3.ebuild
===================================================================
RCS file: /var/cvsroot/gentoo-x86/dev-lang/php/php-5.3.9_rc3.ebuild,v
retrieving revision 1.1
diff -u -b -B -r1.1 php-5.3.9_rc3.ebuild
--- php-5.3.9_rc3.ebuild        16 Dec 2011 09:02:43 -0000      1.1
+++ php-5.3.9_rc3.ebuild        17 Dec 2011 19:05:22 -0000
@@ -118,7 +118,6 @@
        adabas? ( >=dev-db/unixODBC-1.8.13 )
        apache2? ( www-servers/apache[threads=] )
        berkdb? ( =sys-libs/db-4* )
-       birdstep? ( >=dev-db/unixODBC-1.8.13 )
        bzip2? ( app-arch/bzip2 )
        cdb? ( || ( dev-db/cdb dev-db/tinycdb ) )
        cjk? ( !gd? (
@@ -212,7 +211,6 @@
        xmlreader? ( xml )
        xsl? ( xml )
        ldap-sasl? ( ldap )
-       birdstep? ( odbc )
        kolab? ( imap )
        mhash? ( hash )
        phar? ( hash )
Comment 12 Ole Markus With (RETIRED) gentoo-dev 2011-12-17 19:25:43 UTC
Ah, I apologize for that.

I guess the same goes for empress, db2 and other USE flags referenced in REQUIRED_USE, but not in IUSE. I removed those as well.

I guess repoman also should catch things like that.
Comment 13 Zac Medico gentoo-dev 2011-12-17 19:42:52 UTC
(In reply to comment #12)
> Ah, I apologize for that.
> 
> I guess the same goes for empress, db2 and other USE flags referenced in
> REQUIRED_USE, but not in IUSE. I removed those as well.
> 
> I guess repoman also should catch things like that.

That should already be caught by repoman. When I ran repoman for dev-lang/php, it produced the following error:

  REQUIRED_USE.syntax           1
   dev-lang/php/php-5.3.9_rc3.ebuild REQUIRED_USE: USE flag 'birdstep' is not in IUSE

So, I'm not sure why it didn't stop you from committing. The log shows that you committed with portage-2.2.0_alpha71:

http://sources.gentoo.org/cgi-bin/viewvc.cgi/gentoo-x86/dev-lang/php/php-5.3.9_rc3.ebuild?view=log

That should have support for the REQUIRED_USE.syntax check, which was added a long time ago:

http://git.overlays.gentoo.org/gitweb/?p=proj/portage.git;a=commit;h=561b4dabdc289cf6561b384e50d1138d5f30dd52

Now I've committed a fix for emerge in git, to avoid the traceback that led to this bug report:

http://git.overlays.gentoo.org/gitweb/?p=proj/portage.git;a=commit;h=36a6673199602796bf1626a4bd4110b99e590e5c
Comment 14 Zac Medico gentoo-dev 2011-12-23 18:58:37 UTC
This is fixed in 2.1.10.42 and 2.2.0_alpha82.