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Add visibility feature for Sun Studio compilers.

This commit was SVN r20833.
Этот коммит содержится в:
Terry Dontje 2009-03-20 10:13:01 +00:00
родитель 804eb94f5f
Коммит d521a7bb71
3 изменённых файлов: 35 добавлений и 5 удалений

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@ -11,6 +11,7 @@
# Copyright (c) 2004-2005 The Regents of the University of California.
# All rights reserved.
# Copyright (c) 2006-2007 Cisco Systems, Inc. All rights reserved.
# Copyright (c) 2009 Sun Microsystems, Inc. All rights reserved.
# $COPYRIGHT$
#
# Additional copyrights may follow
@ -24,7 +25,7 @@
AC_DEFUN([OMPI_CHECK_VISIBILITY],[
AC_REQUIRE([AC_PROG_GREP])
# Check if the compiler has support for visibility, like some versions of gcc, icc.
# Check if the compiler has support for visibility, like some versions of gcc, icc Sun Studio cc.
AC_ARG_ENABLE(visibility,
AC_HELP_STRING([--enable-visibility],
[enable visibility feature of certain compilers/linkers (default: enabled)]))
@ -34,14 +35,16 @@ AC_DEFUN([OMPI_CHECK_VISIBILITY],[
have_visibility=0
else
CFLAGS_orig="$CFLAGS"
CFLAGS="$CFLAGS_orig -fvisibility=hidden"
add=
# check using gcc -fvisibility=hidden flag
CFLAGS="$CFLAGS_orig -fvisibility=hidden"
AC_CACHE_CHECK([if $CC supports -fvisibility],
[ompi_cv_cc_fvisibility],
[AC_TRY_LINK([
#include <stdio.h>
__attribute__((visibility("default"))) int foo;
void bar(void) { fprintf(stderr, "bar\n"); };
void bar(void) { fprintf(stderr, "bar\n"); }
],[],
[if test -s conftest.err ; then
$GREP -iq "visibility" conftest.err
@ -55,6 +58,27 @@ AC_DEFUN([OMPI_CHECK_VISIBILITY],[
fi],
[ompi_cv_cc_fvisibility="no"])
])
# Check using Sun Studio -xldscope=hidden flag
CFLAGS="$CFLAGS_orig -xldscope=hidden"
AC_CACHE_CHECK([if $CC supports -xldscope],
[ompi_cv_cc_xldscope],
[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_xldscope="no"
else
ompi_cv_cc_xldscope="yes"
fi
else
ompi_cv_cc_xldscope="yes"
fi],
[ompi_cv_cc_xldscope="no"])
])
if test "$ompi_cv_cc_fvisibility" = "yes" ; then
add=" -fvisibility=hidden"
@ -62,6 +86,12 @@ AC_DEFUN([OMPI_CHECK_VISIBILITY],[
AC_MSG_CHECKING([enable symbol visibility])
AC_MSG_RESULT([yes])
AC_MSG_WARN([$add has been added to CFLAGS])
elif test "$ompi_cv_cc_xldscope" = "yes" ; then
add=" -xldscope=hidden"
have_visibility=1
AC_MSG_CHECKING([enable symbol visibility])
AC_MSG_RESULT([yes])
AC_MSG_WARN([$add has been added to CFLAGS])
elif test "$enable_visibility" = "yes"; then
AC_MSG_ERROR([Symbol visibility support requested but compiler does not seem to support it. Aborting])
else

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@ -242,7 +242,7 @@ OPAL_DECLSPEC int opal_paffinity_base_slot_list_set(long rank);
/**
* Debugging output stream
*/
extern int opal_paffinity_base_output;
OPAL_DECLSPEC extern int opal_paffinity_base_output;
END_C_DECLS

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@ -40,7 +40,7 @@
/*
* Globals
*/
int opal_paffinity_base_output = -1;
OPAL_DECLSPEC int opal_paffinity_base_output = -1;
bool opal_paffinity_base_components_opened_valid = false;
opal_list_t opal_paffinity_base_components_opened;