------- Comment #14 from dschlic1 at gmail dot com  2010-08-06 14:35 -------
Subject:  Make fails in zlib

Hello;
     Can you put that in layman's terms? I am using the standard GNU
linker and assembler. I run Ubuntu 10.04 LTS with all of the latest
patches.

Thank You,
Donald Schlicht

On Thu, Aug 5, 2010 at 1:01 PM, rwild at gcc dot gnu dot org
<gcc-bugzilla@gcc.gnu.org> wrote:
>
>
> ------- Comment #13 from rwild at gcc dot gnu dot org  2010-08-05 17:01 -------
> config.log excerpt from zlib:
>
> configure:7903: result: yes
> configure:7936: checking whether the gcc  -m64 linker (ld) supports shared
> libraries
> configure:9020: result: yes
> configure:9265: checking dynamic linker characteristics
> configure:9710: error: Link tests are not allowed after GCC_NO_EXECUTABLES.
>
> which corresponds to this code in zlib/configure, from AC_PROG_LIBTOOL:
>
>  lt_cv_shlibpath_overrides_runpath=no
>    save_LDFLAGS=$LDFLAGS
>    save_libdir=$libdir
>    eval "libdir=/foo; wl=\"$lt_prog_compiler_wl\"; \
>         LDFLAGS=\"\$LDFLAGS $hardcode_libdir_flag_spec\""
>    if test x$gcc_no_link = xyes; then
>  as_fn_error "Link tests are not allowed after GCC_NO_EXECUTABLES." "$LINENO"
> 5
>
>
> Either GCC or the user needs to prime cache variables in the way this test
> shows:
> <http://git.savannah.gnu.org/cgit/libtool.git/tree/tests/no-executables.at>
> (There is currently one item missing there for AIX, which is relevant for GCC
> but irrelevant to this particular PR).
>
> This same issue supposedly holds for other GCC directories in which
> GCC_NO_EXECUTABLES is used; it might just be latent.
>
> Question is, what values the variables should be primed with.  In general,
> tough one.  In this specific case: find out whether your linker sets DT_RUNPATH
> upon -Wl,-rpath ("yes") or only DT_RPATH ("no").  Pass
> lt_cv_shlibpath_overrides_runpath=no or =yes to configure accordingly.  Hmm.
> How can I ensure this primes the cache for host directories only?


-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45174