Re: Re: [PATCHES] Fix for ODBC close - Mailing list pgsql-hackers

From Bruce Momjian
Subject Re: Re: [PATCHES] Fix for ODBC close
Date
Msg-id 200102101558.KAA24180@candle.pha.pa.us
Whole thread Raw
In response to Re: Re: [PATCHES] Fix for ODBC close  (Peter Eisentraut <peter_e@gmx.net>)
Responses Re: Re: [PATCHES] Fix for ODBC close  (Peter Eisentraut <peter_e@gmx.net>)
List pgsql-hackers
> Bruce Momjian writes:
>
> > I just tried gcc and got:
> >
> > #$ gcc -shared -soname libpsqlodbc.so.0 -Bsymbolic info.o bind.o
> > columninfo.o connection.o convert.o drvconn.o environ.o execute.o lobj.o
> > misc.o options.o pgtypes.o psqlodbc.o qresult.o results.o socket.o
> > parse.o statement.o gpps.o tuple.o tuplelist.o dlg_specific.o
> > -L/usr/local/lib -L/usr/contrib/lib -lm -o libpsqlodbc.so.0.26
> > gcc: unrecognized option `-soname'
> > gcc: file path prefix `symbolic' never used
>
> Try gcc -shared -Wl,-soname,libpsqlodbc.so.0 -Wl,-Bsymbolic ...

OK, this works:

    gcc -shared -Wl,-Bsymbolic,-soname,libpsqlodbc.so.0 info.o bind.o
    columninfo.o connection.o convert.o drvconn.o environ.o execute.o lobj.o
    misc.o options.o pgtypes.o psqlodbc.o qresult.o results.o socket.o
    parse.o statement.o gpps.o tuple.o tuplelist.o dlg_specific.o
    -L/usr/local/lib -L/usr/contrib/lib -lm  -lc -o libpsqlodbc.so.0.26

I replaced the 'ld' with 'gcc -Wl', and that prevents the need for the
crt1.o.

It still requires -lc:

    ifneq ($(PORTNAME), bsdi)
    LINK.shared += $(shlib_symbolic)
    else
    LINK.shared = gcc -shared -Wl,-Bsymbolic,-soname,$(soname)
    SHLIB_LINK += -lc
    endif

It seems the -Bsymbolic needs the gcc, while other links are OK with ld.
We may find this is true on many platforms.

--
  Bruce Momjian                        |  http://candle.pha.pa.us
  pgman@candle.pha.pa.us               |  (610) 853-3000
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