building gcc 4.5.4 fails on libiberty/copying-lib.texi

[Oliver Kullmann <O.Kullmann@xxxxxxxxxxxxx>]

Hello,

building gcc 4.5.4 I get

---

(/home/csoliver/OKplatform/ExternalSources/builds/Gcc/gcc-4.5.4/libiberty/copyi
ng-lib.texi [34] [35] [36] [37] [38] [39]
/home/csoliver/OKplatform/ExternalSources/builds/Gcc/gcc-4.5.4/libiberty/copyin
g-lib.texi:480: This command can appear only outside of any environment, not in
 environment @enumerate.
@badenverr ...temp , not @inenvironment @thisenv }

@checkenv ...@ifx @thisenv @temp @else @badenverr 
                                                  @fi
@sectionheading #1#2#3#4->{@checkenv {}
                                       @csname #2fonts@endcsname @rmisbold @...

@\heading ...tionheading {#1}{sec}{Yomitfromtoc}{} 
                                                   @suppressfirstparagraphin...
l.480 @heading NO WARRANTY
? 
[40] [41]) [42] (Index) [43] [44] )
Output written on libiberty.dvi (47 pages, 154524 bytes).
Transcript written on libiberty.log.
/home/csoliver/OKplatform/bin/texi2dvi: etex exited with bad status, quitting.
make[3]: *** [libiberty.dvi] Error 1

---

>From what I gather from the Internet, this is due to the file
copying-lib.texi containing some false Latex-commands.

On the other hand, 4.5.4 should contain the correction?

So what is the correct way of making the build succeed?

Thanks for your attention

Oliver