Bug 183370 - Please add/own /usr/com
Summary: Please add/own /usr/com
Alias: None
Product: Fedora
Classification: Fedora
Component: filesystem
Version: rawhide
Hardware: All
OS: Linux
Target Milestone: ---
Assignee: Phil Knirsch
QA Contact: Mike McLean
URL: http://www.gnu.org/prep/standards/htm...
Depends On:
TreeView+ depends on / blocked
Reported: 2006-02-28 17:38 UTC by Linus Walleij
Modified: 2015-03-05 01:16 UTC (History)
2 users (show)

Fixed In Version:
Doc Type: Bug Fix
Doc Text:
Clone Of:
Last Closed: 2006-06-28 05:23:14 UTC
Type: ---

Attachments (Terms of Use)

Description Linus Walleij 2006-02-28 17:38:52 UTC
As discovered in bug 177818 from the Fedora Extras, the GNU standard
directory hierarchy includes /usr/local/com as a placeholder to
store "architecture-independent data files which the programs modify 
while they run" (c.f.

This directory is available as $(sharedstatedir) in autoconf and
will be used by said Fedora Extras package.

It would be desirable if filesystem could own this directory.

Comment 1 Linus Walleij 2006-02-28 22:18:57 UTC
Hm, sorry for confusion here but it should actually be both of these:


the first will be used by packaged RPMs the second by stuff compiled
from source and the same old drill.

Comment 2 Ville Skyttä 2006-03-16 17:10:39 UTC
FWIW, http://www.pathname.com/fhs/pub/fhs-2.3.html#PURPOSE18

"/usr is shareable, read-only data. That means that /usr should be shareable
between various FHS-compliant hosts and must not be written to."

Looks like the GNU coding standards doc is directly against the FHS in this case.

Comment 3 Linus Walleij 2006-03-16 18:22:29 UTC
Ho hum that's something... In a fight between GNU directory structure
and Linux FHS who would win?

Score from Googlefight:
"GNU Coding Standards": 892,000 results
"Filesystem Hierarchy Standard": 1,500,000 results

FHS WINS! (Sorry I could not resist this, we need to have fun too...)

Comment 4 Linus Walleij 2006-03-18 12:47:50 UTC
Bug submitted to FHS bugzilla to get feedback:

Mail sent to bug-standards@gnu.org and
freestandards-fhs-discuss@lists.sourceforge.net to raise input (if 
you know of some better way to reach the GNU CS people then please
inform us):

As has been found in the Fedora Core bugzilla, we discovered a conflict
between the GNU Coding Standards and FHS.

Quoting FHS:

  "/usr is shareable, read-only data. That means that /usr should be
   shareable between various FHS-compliant hosts and must not be written

Quoting GNU Coding Standards:

   The directory for installing architecture-independent data files which
   the programs modify while they run. This should normally be
   /usr/local/com, but write it as $(prefix)/com.

Since the latter will resolve into /usr/com if $prefix is /usr (which is
common when building a package for a system), a conflict arise, where FHS
says it should not be written to, whereas GNU CS says it is even recommended
to do so, provided the data is architecture-independent.

Could this issue be resolved? I know $sharedstatedir is somewhat obscure,
but not we have a program actually using it.

Please visit our Bugzilla ticket for this if you have the time:

Comment 5 Linus Walleij 2006-03-19 23:00:00 UTC
After comments from Ralf Corsepius that this is probably just an
RPM macro problem  I have filed bug 185862 to see if we can relocate

Comment 6 Linus Walleij 2006-03-20 08:56:19 UTC
As related to the discussion the request is altered to request


so that this can be used a a local shared state directory by default 
or as a global (LAN-wide) mounting point to the sysadmins liking.

Comment 7 Linus Walleij 2006-03-23 09:04:00 UTC
Bug 185862 was vehemently refused by Jeff Johnson with these words:

  "This is a packaging, not an rpm problem. The value of 
   %{_sharedstatedir} has nothing whatsoever with FHS or where 
   emacs chooses to put files. 

   Fix yer bleeping packages however you want."

I will proceed to fix my bleeding package by putting something
apropriate into --with-sharedstatedir passing it to the
%configure macro.

Comment 8 Linus Walleij 2006-03-23 09:09:49 UTC
Since RPM does not think this should be fixed, I believe either:

1. Filesystem should provide /usr/com or it will conflict default
   values from RPM

2. Packaging guidelines for FC and FE should state that thou shall
   never, ever use the %{_sharedstatedir}, since this refers to
   a place that does not exist.

Comment 9 Linus Walleij 2006-03-23 22:43:53 UTC
OK I see it is moved to redhat-rpm-config and reopened...

Comment 10 Phil Knirsch 2006-06-28 05:23:14 UTC
As the place for the modifiable file has been properly changed in the adplug
package you've made i will close this bug as notabug for now. /var/lib/foo is
the proper place for application specifc files and those can then be properly
owned by the corresponding packages.

Read ya, Phil

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