diff options
| author | Dan Albert <danalbert@google.com> | 2014-12-18 00:03:57 +0000 |
|---|---|---|
| committer | Dan Albert <danalbert@google.com> | 2014-12-18 00:03:57 +0000 |
| commit | 2c43dad2d650bc28f06888b04c458d7af5ba30eb (patch) | |
| tree | 444620ea60035b6d64ed4a87c8f02ba0694bf57c /libcxxabi/cmake | |
| parent | 46821b052d550be46ab24e2b3c8717765888698d (diff) | |
[libcxxabi] Add __cxa_thread_atexit for TLS support on Linux.
Summary:
Fixes PR21738.
The implementation for this is handled by __cxa_thread_atexit_impl,
which is supplied by libc.
More information:
https://sourceware.org/glibc/wiki/Destructor%20support%20for%20thread_local%20variables
Reviewers: mclow.lists, EricWF, jroelofs
Reviewed By: jroelofs
Subscribers: majnemer, cfe-commits
Differential Revision: http://reviews.llvm.org/D6708
Diffstat (limited to 'libcxxabi/cmake')
| -rw-r--r-- | libcxxabi/cmake/config-ix.cmake | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/libcxxabi/cmake/config-ix.cmake b/libcxxabi/cmake/config-ix.cmake index cbf5c788cb3..ac31eed6d7a 100644 --- a/libcxxabi/cmake/config-ix.cmake +++ b/libcxxabi/cmake/config-ix.cmake @@ -38,3 +38,5 @@ check_library_exists(c printf "" LIBCXXABI_HAS_C_LIB) check_library_exists(dl dladdr "" LIBCXXABI_HAS_DL_LIB) check_library_exists(pthread pthread_once "" LIBCXXABI_HAS_PTHREAD_LIB) check_library_exists(gcc_eh _Unwind_GetRegionStart "" LIBCXXABI_HAS_GCC_EH_LIB) +check_library_exists(c __cxa_thread_atexit_impl "" + LIBCXXABI_HAS_CXA_THREAD_ATEXIT_IMPL) |