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Re: Supporting -export-dynamic on AIX

From: Albert Chin
Subject: Re: Supporting -export-dynamic on AIX
Date: Wed, 6 Sep 2006 19:27:02 -0500
User-agent: Mutt/1.5.6i

On Tue, Aug 08, 2006 at 02:58:44PM -0500, Albert Chin wrote:
> Another version. Patch against branch-1-5 only. I've reordered where
> --export-dynamic occurs so we don't have to worry about the above.

Our use of both $export_dynamic_symbols_cmds and
$export_dynamic_flag_spec somewhat breaks the "whether a program can
dlopen itself" test:
  case $lt_cv_dlopen in
    test "x$ac_cv_header_dlfcn_h" = xyes && CPPFLAGS="$CPPFLAGS -DHAVE_DLFCN_H"

    wl=$lt_prog_compiler_wl eval LDFLAGS=\"\$LDFLAGS $export_dynamic_flag_spec\"

Why? Because we set $export_dynamic_flag_spec to:
so, in the above LDFLAGS="$LDFLAGS -Wl,-bexport:". Because -bexport:
requires an argument, we get an error from the linker:
  ld: 0706-015 The -b export option needs a parameter.
          Option syntax: -b export:PARM

We could make this test pass by creating conftest.exp, setting
export_symbols=conftest.exp, and adding "fnord" to it:
    echo fnord >conftest.exp
    wl=$lt_prog_compiler_wl export_symbols=conftest.exp \
    eval LDFLAGS=\"\$LDFLAGS $export_dynamic_flag_spec\"

Should we do this or let it continue failing?

albert chin (address@hidden)

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