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| author | jakub <jakub@138bc75d-0d04-0410-961f-82ee72b054a4> | 2008-01-08 16:14:49 +0000 |
|---|---|---|
| committer | jakub <jakub@138bc75d-0d04-0410-961f-82ee72b054a4> | 2008-01-08 16:14:49 +0000 |
| commit | cfbdd7def6579707128299d6429c1273e778a97f (patch) | |
| tree | 8424b6e62d8e9172cc8b7a69773bcbcc62b63024 /libstdc++-v3/configure.ac | |
| parent | d7c85fac4113c7c6a43781b366093eb9aca0b00f (diff) | |
| download | gcc-cfbdd7def6579707128299d6429c1273e778a97f.tar.gz | |
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.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@131399 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'libstdc++-v3/configure.ac')
| -rw-r--r-- | libstdc++-v3/configure.ac | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/libstdc++-v3/configure.ac b/libstdc++-v3/configure.ac index 72471f15795..3411b97afc8 100644 --- a/libstdc++-v3/configure.ac +++ b/libstdc++-v3/configure.ac @@ -295,9 +295,10 @@ else # Assume we have _Unwind_GetIPInfo for cross-compiles. AC_DEFINE(HAVE_GETIPINFO) - fi +GCC_LINUX_FUTEX([AC_DEFINE(HAVE_LINUX_FUTEX, 1, [Define if futex syscall is available.])]) + # This depends on GLIBCXX CHECK_LINKER_FEATURES, but without it assumes no. GLIBCXX_ENABLE_SYMVERS([yes]) GLIBCXX_ENABLE_VISIBILITY([yes]) |