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Commit dbe17524 by Paolo Carlini Committed by Paolo Carlini
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acinclude.m4 ([GLIBCXX_ENABLE_VISIBILITY]): Rename to [GLIBCXX_ENABLE_LIBSTDCXX_VISIBILITY]... 

2011-11-08  Paolo Carlini  <paolo.carlini@oracle.com>

	* acinclude.m4 ([GLIBCXX_ENABLE_VISIBILITY]): Rename to
	[GLIBCXX_ENABLE_LIBSTDCXX_VISIBILITY], likewise for the
	option itself, to --enable-libstdcxx-visibility.
	* configure.ac: Adjust call.
	* doc/xml/manual/configure.xml: Update.
	* configure: Regenerate.

From-SVN: r181162
parent fabe6a9a
Showing with 51 additions and 38 deletions
libstdc++-v3/ChangeLog
2011-11-08 Paolo Carlini <paolo.carlini@oracle.com>
* acinclude.m4 ([GLIBCXX_ENABLE_VISIBILITY]): Rename to
[GLIBCXX_ENABLE_LIBSTDCXX_VISIBILITY], likewise for the
option itself, to --enable-libstdcxx-visibility.
* configure.ac: Adjust call.
* doc/xml/manual/configure.xml: Update.
* configure: Regenerate.
2011-11-08 Paolo Carlini <paolo.carlini@oracle.com>
* testsuite/29_atomics/headers/atomic/macros.cc: Avoid -Wall
warnings.
* testsuite/29_atomics/atomic/cons/user_pod.cc: Likewise.
......
libstdc++-v3/acinclude.m4
......@@ -3031,15 +3031,15 @@ EOF
dnl
dnl Allow visibility attributes to be used on namespaces, objects, etc.
dnl
dnl --enable-visibility enables attempt to use visibility attributes.
dnl --disable-visibility turns off all use of visibility attributes.
dnl + Usage: GLIBCXX_ENABLE_VISIBILITY[(DEFAULT)]
dnl --enable-libstdcxx-visibility enables attempt to use visibility attributes.
dnl --disable-libstdcxx-visibility turns off all use of visibility attributes.
dnl + Usage: GLIBCXX_ENABLE_LIBSTDCXX_VISIBILITY[(DEFAULT)]
dnl Where DEFAULT is 'yes'.
dnl
AC_DEFUN([GLIBCXX_ENABLE_VISIBILITY], [
GLIBCXX_ENABLE(visibility,$1,,[enables visibility safe usage])
AC_DEFUN([GLIBCXX_ENABLE_LIBSTDCXX_VISIBILITY], [
GLIBCXX_ENABLE(libstdcxx-visibility,$1,,[enables visibility safe usage])
if test x$enable_visibility = xyes ; then
if test x$enable_libstdcxx_visibility = xyes ; then
dnl all hail libgfortran
dnl Check whether the target supports hidden visibility.
AC_CACHE_CHECK([whether the target supports hidden visibility],
......@@ -3051,12 +3051,12 @@ if test x$enable_visibility = xyes ; then
glibcxx_cv_have_attribute_visibility=no)
CFLAGS="$save_CFLAGS"])
if test $glibcxx_cv_have_attribute_visibility = no; then
enable_visibility=no
enable_libstdcxx_visibility=no
fi
fi
GLIBCXX_CONDITIONAL(ENABLE_VISIBILITY, test $enable_visibility = yes)
AC_MSG_NOTICE([visibility supported: $enable_visibility])
GLIBCXX_CONDITIONAL(ENABLE_VISIBILITY, test $enable_libstdcxx_visibility = yes)
AC_MSG_NOTICE([visibility supported: $enable_libstdcxx_visibility])
])
......
libstdc++-v3/configure
......@@ -865,7 +865,7 @@ with_libiconv_prefix
with_system_libunwind
enable_linux_futex
enable_symvers
enable_visibility
enable_libstdcxx_visibility
with_gxx_include_dir
enable_version_specific_runtime_libs
'
......@@ -1554,7 +1554,8 @@ Optional Features:
--enable-symvers[=STYLE]
enables symbol versioning of the shared library
[default=yes]
--enable-visibility enables visibility safe usage [default=yes]
--enable-libstdcxx-visibility
enables visibility safe usage [default=yes]
--enable-version-specific-runtime-libs
Specify that runtime libraries should be installed
in a compiler-specific directory
......@@ -11487,7 +11488,7 @@ else
lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
lt_status=$lt_dlunknown
cat > conftest.$ac_ext <<_LT_EOF
#line 11490 "configure"
#line 11491 "configure"
#include "confdefs.h"
#if HAVE_DLFCN_H
......@@ -11593,7 +11594,7 @@ else
lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
lt_status=$lt_dlunknown
cat > conftest.$ac_ext <<_LT_EOF
#line 11596 "configure"
#line 11597 "configure"
#include "confdefs.h"
#if HAVE_DLFCN_H
......@@ -14951,7 +14952,7 @@ fi
#
# Fake what AC_TRY_COMPILE does. XXX Look at redoing this new-style.
cat > conftest.$ac_ext << EOF
#line 14954 "configure"
#line 14955 "configure"
struct S { ~S(); };
void bar();
void foo()
......@@ -15302,7 +15303,7 @@ $as_echo "$glibcxx_cv_atomic_long_long" >&6; }
# Fake what AC_TRY_COMPILE does.
cat > conftest.$ac_ext << EOF
#line 15305 "configure"
#line 15306 "configure"
int main()
{
typedef bool atomic_type;
......@@ -15339,7 +15340,7 @@ $as_echo "$glibcxx_cv_atomic_bool" >&6; }
rm -f conftest*
cat > conftest.$ac_ext << EOF
#line 15342 "configure"
#line 15343 "configure"
int main()
{
typedef short atomic_type;
......@@ -15376,7 +15377,7 @@ $as_echo "$glibcxx_cv_atomic_short" >&6; }
rm -f conftest*
cat > conftest.$ac_ext << EOF
#line 15379 "configure"
#line 15380 "configure"
int main()
{
// NB: _Atomic_word not necessarily int.
......@@ -15414,7 +15415,7 @@ $as_echo "$glibcxx_cv_atomic_int" >&6; }
rm -f conftest*
cat > conftest.$ac_ext << EOF
#line 15417 "configure"
#line 15418 "configure"
int main()
{
typedef long long atomic_type;
......@@ -15490,7 +15491,7 @@ $as_echo "$as_me: WARNING: Performance of certain classes will degrade as a resu
# unnecessary for this test.
cat > conftest.$ac_ext << EOF
#line 15493 "configure"
#line 15494 "configure"
int main()
{
_Decimal32 d1;
......@@ -15532,7 +15533,7 @@ ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
# unnecessary for this test.
cat > conftest.$ac_ext << EOF
#line 15535 "configure"
#line 15536 "configure"
template<typename T1, typename T2>
struct same
{ typedef T2 type; };
......@@ -15566,7 +15567,7 @@ $as_echo "$enable_int128" >&6; }
rm -f conftest*
cat > conftest.$ac_ext << EOF
#line 15569 "configure"
#line 15570 "configure"
template<typename T1, typename T2>
struct same
{ typedef T2 type; };
......@@ -65145,21 +65146,21 @@ $as_echo "$glibcxx_ptrdiff_t_is_i" >&6; }
# Check whether --enable-visibility was given.
if test "${enable_visibility+set}" = set; then :
enableval=$enable_visibility;
# Check whether --enable-libstdcxx-visibility was given.
if test "${enable_libstdcxx_visibility+set}" = set; then :
enableval=$enable_libstdcxx_visibility;
case "$enableval" in
yes|no) ;;
*) as_fn_error "Argument to enable/disable visibility must be yes or no" "$LINENO" 5 ;;
*) as_fn_error "Argument to enable/disable libstdcxx-visibility must be yes or no" "$LINENO" 5 ;;
esac
else
enable_visibility=yes
enable_libstdcxx_visibility=yes
fi
if test x$enable_visibility = xyes ; then
if test x$enable_libstdcxx_visibility = xyes ; then
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the target supports hidden visibility" >&5
$as_echo_n "checking whether the target supports hidden visibility... " >&6; }
if test "${glibcxx_cv_have_attribute_visibility+set}" = set; then :
......@@ -65190,13 +65191,13 @@ fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $glibcxx_cv_have_attribute_visibility" >&5
$as_echo "$glibcxx_cv_have_attribute_visibility" >&6; }
if test $glibcxx_cv_have_attribute_visibility = no; then
enable_visibility=no
enable_libstdcxx_visibility=no
fi
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: visibility supported: $enable_visibility" >&5
$as_echo "$as_me: visibility supported: $enable_visibility" >&6;}
{ $as_echo "$as_me:${as_lineno-$LINENO}: visibility supported: $enable_libstdcxx_visibility" >&5
$as_echo "$as_me: visibility supported: $enable_libstdcxx_visibility" >&6;}
ac_ldbl_compat=no
......@@ -66184,7 +66185,7 @@ else
fi
if test $enable_visibility = yes; then
if test $enable_libstdcxx_visibility = yes; then
ENABLE_VISIBILITY_TRUE=
ENABLE_VISIBILITY_FALSE='#'
else
libstdc++-v3/configure.ac
......@@ -311,7 +311,7 @@ GCC_HEADER_STDINT(include/gstdint.h)
GLIBCXX_ENABLE_SYMVERS([yes])
AC_SUBST(libtool_VERSION)
GLIBCXX_ENABLE_VISIBILITY([yes])
GLIBCXX_ENABLE_LIBSTDCXX_VISIBILITY([yes])
ac_ldbl_compat=no
case "$target" in
......
libstdc++-v3/doc/xml/manual/configure.xml
......@@ -315,12 +315,15 @@
</listitem></varlistentry>
<varlistentry><term><code>--enable-visibility</code></term>
<listitem><para> In 4.2 and later, enables or disables visibility attributes.
If enabled (as by default), and the compiler seems capable of
passing the simple sanity checks thrown at it, adjusts items
in namespace std, namespace std::tr1, and namespace __gnu_cxx
so that -fvisibility options work.
<varlistentry><term><code>--enable-libstdcxx-visibility</code></term>
<listitem><para> In 4.2 and later, enables or disables visibility
attributes. If enabled (as by default), and the compiler seems
capable of passing the simple sanity checks thrown at it, adjusts
items in namespace std, namespace std::tr1, namespace std::tr2,
and namespace __gnu_cxx to have <code>visibility ("default")</code>
so that -fvisibility options can be used without affecting the
normal external-visibility of namespace std entities.
Prior to 4.7 this option was spelled <code>--enable-visibility</code>.
</para>
</listitem></varlistentry>
......
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