Re: PATCH: Build shared libraries with -Bsymbolic-functions

["H. J. Lu" <hjl@lucon.org>]

On Fri, Jan 12, 2007 at 12:13:11PM +0000, Andrew Haley wrote:
> H. J. Lu writes:
>  > On Thu, Jan 11, 2007 at 07:33:21PM +0100, Paolo Bonzini wrote:
>  > > 
>  > > >config/
>  > > >
>  > > >2007-01-10  H.J. Lu  <hongjiu.lu@intel.com>
>  > > >
>  > > >	* ld-symbolic.m4: New.
>  > > 
>  > > Please name the macro AC_LIB_PROG_LD_GNU_SYMBOLIC, or 
>  > > ACX_PROG_LD_GNU_SYMBOLIC.
>  > > 
>  > > >libgfortran/
>  > > >
>  > > >2007-01-10  H.J. Lu  <hongjiu.lu@intel.com>
>  > > >
>  > > >	* aclocal.m4: Include ../config/lib-ld.m4 and
>  > > >	../config/ld-symbolic.m4.
>  > > 
>  > > Also, aclocal.m4 is automatically generated with "aclocal -I ../config" 
>  > > except in libjava.
>  > > 
>  > > >	* configure.ac: Use PROG_LD_GNU_SYMBOLIC.  Set
>  > > >	libgcj_ld_symbolic to $SYMBOLIC_LDFLAGS if it isn't set.
>  > > 
>  > > Please check if libgcj_ld_symbolic is now obsolete in 
>  > > libjava/configure.host.
>  > 
>  > libjava will use -Bsymbolic on Linux, which is more aggresive than
>  > -Bsymbol-functions.
> 
> libjava doesn't use -Bsymbolic for all of its libraries, just for
> libgij, libjvm, and libawt.  I'd use -Bsymbolic for libgcj as well,
> but (because of copy relocs) we'd have to compile all gcj executables
> -fpic.
> 
> I presume your patch doesn't change this behaviour.

I didn't realized that. I will update my patch to build
libgcj with -Bsymbol-functions. You don't need to compile any
gcj executables with -fpic.


H.J.