15 lines
562 B
Plaintext
15 lines
562 B
Plaintext
# See if we have working TLS. We only check to see if it compiles; we test
|
|
# to see if it works at runtime, since we can run binaries compiled with __thread
|
|
# on systems without TLS.
|
|
AC_DEFUN(SM_TLS,
|
|
[
|
|
AC_MSG_CHECKING(for TLS)
|
|
AC_TRY_COMPILE( [], [ static __thread int val; ], have_tls=yes,have_tls=no,have_tls=no )
|
|
AC_MSG_RESULT($have_tls)
|
|
if test "$have_tls" = "yes"; then
|
|
AC_DEFINE([HAVE_TLS],[1],[Define if the complier supports __thread])
|
|
AC_DEFINE([thread_local],[__thread],[Define to the compiler TLS keyword])
|
|
fi
|
|
])
|
|
|