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[Bug target/28701] [4.1/4.2 regression] ABI test failures building libstdc++ on a glibc-2.4 based system
- From: "jakub at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 4 Sep 2006 11:28:35 -0000
- Subject: [Bug target/28701] [4.1/4.2 regression] ABI test failures building libstdc++ on a glibc-2.4 based system
- References: <bug-28701-11764@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #6 from jakub at gcc dot gnu dot org 2006-09-04 11:28 -------
Can you
readelf -Ws libstdc++.so.6 | egrep 'l@+GLIBCXX' | grep -v ' _Z'
on both libraries (the 4.0 built one and 4.1.x --with-long-double-128 one)?
The 4.0.x built one should contain the (DFmode) long double *l functions as
*l@@GLIBCXX_3.4* symbols while 4.1.x --with-long-double-128 (note, this
is something that to my knowledge is only as a patch for 4.1 or on
redhat/gcc-4_1-branch, not in stock 4.1, but in stock 4.2) those should be
*l@GLIBCXX_3.4*. If that's the same on your system as on mine, then the only
reason why you'd get such errors would be a buggy linker. I have tested
several
linkers (several years old as well as the most recent ones) and they all behave
properly.
--
jakub at gcc dot gnu dot org changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |WAITING
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=28701