On 2/10/2012 11:19 AM, Jeff Squyres wrote:
I'll go compare.
I already did...
HWLOC (1.3.2rc1) tries:
AC_LINK_IFELSE([AC_LANG_PROGRAM([[
__attribute__((visibility("default"))) int foo;
]],[[int i;]])],
[],
[hwloc_add=])
While OMPI (1.4.5rc5) tries:
AC_TRY_LINK([
#include <stdio.h>
__attribute__((visibility("default"))) int foo;
void bar(void) { fprintf(stderr, "bar\n"); };
],[],
[if test -s conftest.err ; then
$GREP -iq "visibility" conftest.err
if test "$?" = "0" ; then
ompi_cv_cc_fvisibility="no"
else
ompi_cv_cc_fvisibility="yes"
fi
else
ompi_cv_cc_fvisibility="yes"
fi],
[ompi_cv_cc_fvisibility="no"])
])
-Paul
--
Paul H. Hargrove [email protected]
Future Technologies Group
HPC Research Department Tel: +1-510-495-2352
Lawrence Berkeley National Laboratory Fax: +1-510-486-6900
