PR78968 add configure check for __cxa_thread_atexit in libc
commit4e2ef7858ffcf2791fc127e5a46b53b2aed3d0ff
authorredi <redi@138bc75d-0d04-0410-961f-82ee72b054a4>
Wed, 4 Jan 2017 15:41:19 +0000 (4 15:41 +0000)
committerredi <redi@138bc75d-0d04-0410-961f-82ee72b054a4>
Wed, 4 Jan 2017 15:41:19 +0000 (4 15:41 +0000)
tree52babbbb68a075e8473afde80cbb3ed10f55d769
parentadcbdb02d009199af574c867f9be436626d8fade
PR78968 add configure check for __cxa_thread_atexit in libc

PR libstdc++/78968
* config.h.in: Regenerate.
* configure: Likewise.
* configure.ac: Check for __cxa_thread_atexit.
* libsupc++/atexit_thread.cc [_GLIBCXX_HAVE___CXA_THREAD_ATEXIT]:
Don't define __cxa_thread_atexit if libc provides it.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@244057 138bc75d-0d04-0410-961f-82ee72b054a4
libstdc++-v3/ChangeLog
libstdc++-v3/config.h.in
libstdc++-v3/configure
libstdc++-v3/configure.ac
libstdc++-v3/libsupc++/atexit_thread.cc