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Item6905: RCS can cause software error on configure

Item Form Data

AppliesTo: Component: Priority: CurrentState: WaitingFor: TargetRelease ReleasedIn
Engine configure Normal Closed   patch 5.1.2

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Reported By:
Applies To:
Current State:
Waiting For:
Target Release:
Released In:


Reported by TWiki:Main.PeteLey at TWiki:Support.SID-01503 on 2012-07-17 :

As part of my initial install, configure displays a Software Error on the page without finishing loading the rest of the settings after CGI setup:

Argument "5.8.1" isn't numeric in numeric lt (<) at /srv/http/twiki/lib/TWiki/Configure/Checker.pm line 307.

RCS is version 5.8.1 and this only happened when I installed it so I know that must be what it is. I'm not sure where to go from here.

-- TWiki:Main/PeterThoeny - 2012-07-21

It looks like configure is failing to detect RCS properly in some circumstances. Suggested patch:

--- twiki/lib/TWiki/Configure/Checker.pm   (revision 23023)
+++ twiki/lib/TWiki/Configure/Checker.pm   (working copy)
@@ -299,9 +299,10 @@
         $err .= $key.' is not set';
     } else {
         my $version = `$prog -V` || '';
-        if ( $version =~ /(\d+(\.\d+)+)/ ) {
+        if ( $version !~ /Can't exec/ && $version =~ /(\d+(\.\d+)+)/ ) {
             $version = $1;
         } else {
+            $version = '';
             $err .= $this->ERROR($prog.' did not return a version number (or might not exist..)');
         if( $version =~ /^\d/ && $version < $rcsverRequired ) {

-- TWiki:Main.PeterThoeny - 2012-07-19

Summary RCS can cause software error on configure
ReportedBy TWiki:Main.PeterThoeny
Codebase ~twiki4, 5.1.1
SVN Range TWiki-5.1.1-trunk, Wed, 20 Jun 2012, build 23007
AppliesTo Engine
Component configure
Priority Normal
CurrentState Closed

Checkins TWikirev:23078 TWikirev:23079
TargetRelease patch
ReleasedIn 5.1.2
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Topic revision: r5 - 2012-10-07 - PeterThoeny
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