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acinclude.m4: Guard a variable test against an empty string.

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* acinclude.m4: Guard a variable test against an empty string.
	* configure: Regenerate.

From-SVN: r142829
This commit is contained in:
Ben Elliston 2008-12-19 09:18:41 +00:00 committed by Ben Elliston
parent cece8bb5c7
commit dd88bc9747
3 changed files with 7 additions and 2 deletions
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5
libstdc++-v3/ChangeLog
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@ -1,3 +1,8 @@
2008-12-19 Ben Elliston <bje@au.ibm.com>
* acinclude.m4: Guard a variable test against an empty string.
* configure: Regenerate.
2008-12-18 Jack Howarth <howarth@bromo.med.uc.edu>
* testsuite/21_strings/basic_string/element_access/wchar_t/21674.cc:

2
libstdc++-v3/acinclude.m4
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@ -2570,7 +2570,7 @@ EOF
if test $atomicity_dir = "cpu/generic" ; then
atomicity_dir=cpu/generic/atomicity_mutex
AC_MSG_WARN([No native atomic operations are provided for this platform.])
if test $target_thread_file = single; then
if test "x$target_thread_file" = xsingle; then
AC_MSG_WARN([They cannot be faked when thread support is disabled.])
AC_MSG_WARN([Thread-safety of certain classes is not guaranteed.])
else

2
libstdc++-v3/configure vendored
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@ -14914,7 +14914,7 @@ ac_compiler_gnu=$ac_cv_c_compiler_gnu
atomicity_dir=cpu/generic/atomicity_mutex
{ echo "$as_me:$LINENO: WARNING: No native atomic operations are provided for this platform." >&5
echo "$as_me: WARNING: No native atomic operations are provided for this platform." >&2;}
if test $target_thread_file = single; then
if test "x$target_thread_file" = xsingle; then
{ echo "$as_me:$LINENO: WARNING: They cannot be faked when thread support is disabled." >&5
echo "$as_me: WARNING: They cannot be faked when thread support is disabled." >&2;}
{ echo "$as_me:$LINENO: WARNING: Thread-safety of certain classes is not guaranteed." >&5