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freetds - RE: [freetds] FreeBSD and -Wl,-Bsymbolic option

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  • From: "Lowden, James K" <LowdenJK AT bernstein.com>
  • To: "FreeTDS Development Group" <freetds AT lists.ibiblio.org>
  • Subject: RE: [freetds] FreeBSD and -Wl,-Bsymbolic option
  • Date: Fri, 27 Feb 2004 15:19:56 -0500

> From: Frediano Ziglio [mailto:freddyz77 AT tin.it]
> Sent: February 27, 2004 2:27 PM
>
> Some time ago I added this option (-Wl,-Bsymbolic) and
> symbols filter to
> dblib/ctlib Makefiles. However James say that this cause a lot of
> warnings compiling and comment it. Today I tested by myself and I got
> same problem... Looking at configure execution I saw
>
> checking whether -lc should be explicitly linked... yes
>
> however compiling shared library libtool seems to NOT include
> explicitly
> -lc !! -Wl,-Bsymbolic tell the linker to try to resolve all symbols
> dependency at link time. This reduce load time however do not allowing
> symbols overriding (IMHO not a real problem).

Talk about timing! I just installed our ODBC driver for the first time, and
was having trouble linking it. I was missing the libc symbols. Because of
your message, I added "-lc" to the Makefile:

$ grep ^LD src/odbc/Makefile
LDFLAGS = -L/usr/local/lib -lc

and voila, it installed.

I think we might be able to work around this by adding "-lc" to LDFLAGS in
Makefile.am.

BTW, we're experiencing difficulty with unixODBC-2.2.6 and FreeTDS 0.62.1.
Inserting a row (very simple) row via a stored procedure:

$dbh->do(execute testdb..a_insert 5)
# proc's SQL: "insert a values (5)"

yields:

DBD::ODBC::st execute failed: [unixODBC][FreeTDS][SQL Server]Invalid
cursor state (SQL-24000)(DBD: st_execute/SQLRowCount err=-1) at
/usr/users/production/bin//dbinterface line 458, <GEN0> line 1.

We're still trying to isolate the problem. It's somewhere in unixodbc,
because the FreeTDS log shows no error. Speculation: it might be 64-bit
related.

--jkl

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