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List:       kde-devel
Subject:    Re: libtool speedup hack problem
From:       Szombathelyi "György" <gyurco () freemail ! hu>
Date:       2004-06-26 13:52:02
Message-ID: 200406261552.02836.gyurco () freemail ! hu
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kedd 22 június 2004 06:36 de dátummal Michael Pyne ezt írta:
> Hi all,
>
> After reading about a patch to the build system libtool script to enable
> the LDFLAGS=-Wl,--as-needed command to work, I added it to my build
> routine, and it's worked well for me so far.
>
> However, recently I got an error starting up KBugBuster that seems to have
> been caused by that, and I was wondering if anyone else has received that,
> or knows any workarounds.  I suspect an error in binutils because the
> problem was solved by resetting LDFLAGS, but I figure it's worth a shot.
>
> The specific error was a relocation error trying to find
> _ZTV14KBookmarkOwner, which is the vtable for KBookmarkOwner according to
> c++filt.
>
OK, as I wrote before, I didn't notice the problem - until I tried to start 
KBugBuster. It is interesting if I put all the static libraries in the 
Makefile.am before the shared libraries, it works. So attached a patch which 
work-arounds the problem. The $(LIB_KIO) addition is for extra safety, the 
solution is changing the order of the libs. 
I think It is definietely a linker bug.

["kbb-make.diff" (text/x-diff)]

--- Makefile.am	2004-06-26 15:40:42.761149872 +0200
+++ Makefile.am~	2004-06-26 15:32:20.000000000 +0200
@@ -9,8 +9,8 @@
 bin_PROGRAMS = kbugbuster
 
 kbugbuster_SOURCES = main.cpp
-kbugbuster_LDADD   = $(LIB_KHTML) -lkutils gui/libkbbmainwindow.la \
-                     backend/libkbbbackend.la
+kbugbuster_LDADD   = -lkutils gui/libkbbmainwindow.la \
+                     backend/libkbbbackend.la $(LIB_KHTML) $(LIB_KIO) 
 kbugbuster_LDFLAGS = $(all_libraries) $(KDE_RPATH)
 
 xdg_apps_DATA = kbugbuster.desktop


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