Re: GDB cvs won't build on AIX 4.1

Peter.Schauer
2002-03-01T23:51:40Z

I am no autoconf expert, but it looks ok to me.
It would be nice, if it could make it into the upcoming GDB release.

> --=-=-=
>
> On Feb 4, 2002, "Peter.Schauer" <Peter.Schauer@Regent.E-Technik.TU-Muenchen.DE> wrote:
>
> > -mminimal-toc is only available with gcc, so we might loose again, if someone
> > tries to build GDB with the native compiler.
>
> Besides, I'm not convinced the performance loss of -mminimal-toc would
> be smaller than that of -bbigtoc, so I went with the latter for now.
> Tested on AIX 4.1. Ok to install?
>
>
> --=-=-=
> Content-Type: text/x-patch
> Content-Disposition: inline; filename=gdb-aix-bigtoc.patch
>
> Index: gdb/ChangeLog
> from Alexandre Oliva <aoliva@redhat.com>
>
> * configure.in (gdb_cv_bigtoc): Check for -bbigtoc on AIX.
> * configure: Rebuilt.
>
> Index: gdb/configure.in
> ===================================================================
> RCS file: /cvs/src/src/gdb/configure.in,v
> retrieving revision 1.82
> diff -u -p -r1.82 configure.in
> --- gdb/configure.in 2002/02/24 04:31:13 1.82
> +++ gdb/configure.in 2002/02/24 13:05:16
> @@ -511,6 +511,23 @@ AC_MSG_RESULT($gdb_cv_scanf_has_long_dou
>
> AC_FUNC_MMAP
>
> +case ${host_os} in
> +aix*)
> + AC_CACHE_CHECK([for -bbigtoc option], [gdb_cv_bigtoc], [
> + SAVE_LDFLAGS=$LDFLAGS
> +
> + case $GCC in
> + yes) gdb_cv_bigtoc=-Wl,-bbigtoc ;;
> + *) gdb_cv_bigtoc=-bbigtoc ;;
> + esac
> +
> + LDFLAGS=$LDFLAGS\ $gdb_cv_bigtoc
> + AC_TRY_LINK([], [int i;], [], [gdb_cv_bigtoc=])
> + ])
> + CONFIG_LDFLAGS="${CONFIG_LDFLAGS} ${gdb_cv_bigtoc}"
> + ;;
> +esac
> +
> dnl See if thread_db library is around for Solaris thread debugging. Note that
> dnl we must explicitly test for version 1 of the library because version 0
> dnl (present on Solaris 2.4 or earlier) doesn't have the same API.
>
> --=-=-=
>
>
> --
> Alexandre Oliva Enjoy Guarana', see http://www.ic.unicamp.br/~oliva/
> Red Hat GCC Developer aoliva@{cygnus.com, redhat.com}
> CS PhD student at IC-Unicamp oliva@{lsd.ic.unicamp.br, gnu.org}
> Free Software Evangelist Professional serial bug killer
>
> --=-=-=--
>
>

--
Peter Schauer pes@regent.e-technik.tu-muenchen.de