[ccp4bb]: Redhat 7* users.

[Alun Ashton <A.W.Ashton@dl.ac.uk>]

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Dear fellow victims,

I don't know how many others of you received a similar email from redhat,
to the one I received below informing us that the compilers shipped with
redhat7.1 were broken - so what's news?!

anyhow I have updated my Redhat _7.0_ system to use the new compiler and
the news is .... better.

1) compiling the suite with the standard options (including optimisation
level O2) - the compiled code still does not work.

2) compiling the WHOLE suite (not just progs) with the compiler
optimisation level O0 - the suite does work!!! Well it compiles and
$CEAXM/unix/runnable/run-all works (apart from hbond for some strange
reason).

the way I did this was:

a) up2date my Linux redhat 7* system to the new compilers
b) download and unpack the ccp4 package
(b2 remember to check the ccp4 problems pages for fixes to some programs)
c) edit and source ccp4.setup as usual
d) run configure --with-your-options linux as usual (shared lib not tested)
e) edit $CCP4/config.status - change as below:

FOPTIM="-O" COPTIM="-O"

to

FOPTIM="-O0" COPTIM="-O0"

and re run the config.status script. (this in turn will re run configure
with the altered options)

6) make and install as usual.

I am assuming that the values the programs produce are sensible - I'm just
pleased they didn't crash...

some system info:
ccp4h 2:57pm /runnable>45% rpm -q gcc glibc
gcc-2.96-85
glibc-2.2-12

If anybody has any other/similar/more experiences please let me know. In
turn I will let Kevin know and maybe he can update his excellent summary
page?! :)

Alun
PS - I am aware that GCC (3.0) has been released (Thanks David S.) but i
just haven't had the time/courage to break my system and install/test it
yet.....
_____________________________________________________
Alun Ashton,   awa@ccp4.ac.uk    Tel: +44 1925 603528
CCP4,          ccp4@ccp4.ac.uk   Fax: +44 1925 603825
                      http://www.ccp4.ac.uk/
Daresbury Lab,  Daresbury,  Warrington,  UK,  WA4 4AD

---------- Forwarded message ----------
Date: Fri, 22 Jun 2001 19:20:49 -0500
From: Red Hat Network Alert <rhn-alert@redhat.com>
To: awa <awa@dl.ac.uk>
Subject: RHN Errata Alert: New version of GCC 2.96-RH available fixing
    several bugs


Red Hat Network has determined that the following advisory is applicable to
one or more of the systems you have registered with the Software Manager
service:

Bug Fix Advisory - RHBA-2001:082-05
------------------------------------------------------------------------------
Summary:
New version of GCC 2.96-RH available fixing several bugs

Description:
This update fixes several Internal Compiler Errors on invalid input as well
as some on valid input. It also fixes a number of cases where code was
miscompiled.

See the bug IDs and package changelog for more details.

The bug IDs below are those fixed against gcc-2.96-81 which was shipped
in the Red Hat Linux 7.1 / x86 release. You may use the "--changelog" RPM
option with the GCC RPM to see a list of changes fixed since other
gcc-2.96-RH releases.
------------------------------------------------------------------------------

You may address the issues outlined in this advisory in two ways:

    - log in to Red Hat Network at http://www.redhat.com/network and from the
      listing showing under 'Your Network' select the affected servers and
      download or schedule a package update for that system.

    - run the Update Agent on the affected machine.

This Errata Advisory may apply to the systems listed below. If you know that
this errata does not apply to a system listed below, it might be possible
that the package profile for that server is out of date. In that case you
should run as root 'up2date -p' on the system in question to refresh your
software profile.