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| author | Jakub Jelinek <jakub@redhat.com> | 2008-01-08 17:14:49 +0100 |
|---|---|---|
| committer | Jakub Jelinek <jakub@gcc.gnu.org> | 2008-01-08 17:14:49 +0100 |
| commit | 0f3e711eef24f6b00e7dc462288c064d68a9ec43 (patch) | |
| tree | 8424b6e62d8e9172cc8b7a69773bcbcc62b63024 /libstdc++-v3/config.h.in | |
| parent | c90eee444ccd2d39ac22b55e0b6516d842590bfb (diff) | |
| download | gcc-0f3e711eef24f6b00e7dc462288c064d68a9ec43.tar.gz | |
configure.ac (--enable-linux-futex): Add new configure option.
libstdc++-v3/
* configure.ac (--enable-linux-futex): Add new configure option.
(HAVE_LINUX_FUTEX): New AC_DEFINE.
* Makefile.in: Rebuilt.
* aclocal.m4: Rebuilt.
* configure: Rebuilt.
* config.h.in: Rebuilt.
* config/cpu/generic/cxxabi_tweaks.h (_GLIBCXX_GUARD_BIT,
_GLIBCXX_GUARD_PENDING_BIT, _GLIBCXX_GUARD_WAITING_BIT): Define.
* config/cpu/arm/cxxabi_tweaks.h (_GLIBCXX_GUARD_BIT,
_GLIBCXX_GUARD_PENDING_BIT, _GLIBCXX_GUARD_WAITING_BIT): Define.
* libsupc++/guard.cc: Include climits and syscall.h.
(_GLIBCXX_USE_FUTEX): Define if futex syscall and atomic builtins
are supported.
(_GLIBCXX_FUTEX_WAIT, _GLIBCXX_FUTEX_WAKE): Likewise.
(__guard_test_bit): New static inline.
(__cxa_guard_acquire, __cxa_guard_release, __cxa_guard_abort): Use
atomic builtins and futex syscall if _GLIBCXX_USE_FUTEX.
config/
* futex.m4: New file.
libgomp/
* configure.ac: Move futex checking into ../config/futex.m4.
* configure: Rebuilt.
* aclocal.m4: Rebuilt.
* Makefile.in: Rebuilt.
* configure.tgt: Rename have_tls to gcc_cv_have_tls to match
2007-10-15 ../config/tls.m4 change.
From-SVN: r131399
Diffstat (limited to 'libstdc++-v3/config.h.in')
| -rw-r--r-- | libstdc++-v3/config.h.in | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/libstdc++-v3/config.h.in b/libstdc++-v3/config.h.in index 1c7bcd3f9cc..f25ab541dff 100644 --- a/libstdc++-v3/config.h.in +++ b/libstdc++-v3/config.h.in @@ -232,6 +232,9 @@ /* Only used in build directory testsuite_hooks.h. */ #undef HAVE_LIMIT_VMEM +/* Define if futex syscall is available. */ +#undef HAVE_LINUX_FUTEX + /* Define to 1 if you have the <locale.h> header file. */ #undef HAVE_LOCALE_H |