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* Re: libstdc++/4236: Unresolved symbols problem (sparc solaris differs from hppa hp-ux)
@ 2001-09-09 13:55 aoliva
0 siblings, 0 replies; 2+ messages in thread
From: aoliva @ 2001-09-09 13:55 UTC (permalink / raw)
To: dalle, gcc-bugs, gcc-prs, nobody
Synopsis: Unresolved symbols problem (sparc solaris differs from hppa hp-ux)
State-Changed-From-To: open->closed
State-Changed-By: aoliva
State-Changed-When: Sun Sep 9 13:55:22 2001
State-Changed-Why:
Note that the linker is crashing. This generally indicates a linker bug.
http://gcc.gnu.org/cgi-bin/gnatsweb.pl?cmd=view&pr=4236&database=gcc
^ permalink raw reply [flat|nested] 2+ messages in thread
* libstdc++/4236: Unresolved symbols problem (sparc solaris differs from hppa hp-ux)
@ 2001-09-05 4:06 dalle
0 siblings, 0 replies; 2+ messages in thread
From: dalle @ 2001-09-05 4:06 UTC (permalink / raw)
To: gcc-gnats
>Number: 4236
>Category: libstdc++
>Synopsis: Unresolved symbols problem (sparc solaris differs from hppa hp-ux)
>Confidential: no
>Severity: serious
>Priority: medium
>Responsible: unassigned
>State: open
>Class: sw-bug
>Submitter-Id: net
>Arrival-Date: Wed Sep 05 04:06:01 PDT 2001
>Closed-Date:
>Last-Modified:
>Originator: Jan-Erik Dahlin
>Release: gcc-3.0.1
>Organization:
>Environment:
hppa hp-ux 10.20
sparc solaris8
>Description:
#include <strstream>
class inherit_from_ostrstream : public std::ostrstream { };
main()
{
inherit_from_ostrstream junk;
}
When the program above compiles fine on both platforms, but
it will only link under solaris. On the hp I get:
blakkur:~/iar/GCC3 >g++ bug.c
collect2: ld terminated with signal 10 [Bus error]
/usr/ccs/bin/ld: Unsatisfied symbols:
virtual thunk to std::ostrstream::~ostrstream()(data)
virtual thunk to std::ostrstream::~ostrstream()(data)
And it turns out the thunk in the library is static:
blakkur:~/iar/GCC3 >nm /usr/local/lib/libstdc++.a | grep _ZTv0_n12_NSt10ostrstreamD0Ev
_ZTv0_n12_NSt10ostrstreamD0Ev| 0|static|entry |$CODE$
But on solaris the symbol has weak linkage:
kveikur:~/iar/GCC3 >nm /usr/local/lib/libstdc++.a | grep _ZTv0_n12_NSt10ostrstreamD0Ev
[254] | 0| 32|FUNC |WEAK |0 |63 |_ZTv0_n12_NSt10ostrstreamD0Ev
>How-To-Repeat:
Compile included program.
>Fix:
>Release-Note:
>Audit-Trail:
>Unformatted:
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2001-09-09 13:55 libstdc++/4236: Unresolved symbols problem (sparc solaris differs from hppa hp-ux) aoliva
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2001-09-05 4:06 dalle
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