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Diffstat (limited to 'configure.ac')
| -rw-r--r-- | configure.ac | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/configure.ac b/configure.ac index b35da75..6ee6404 100644 --- a/configure.ac +++ b/configure.ac @@ -139,6 +139,18 @@ if test "$os_unix" = "yes"; then fi ]) + AC_CACHE_CHECK([for thread-local storage class], + [ac_cv_tls_keyword], + [ac_cv_tls_keyword= + for keyword in _Thread_local __thread; do + AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <stdlib.h>]], + [[static ]$keyword[ foo;]])], + [ac_cv_tls_keyword=$keyword]) + done]) + if test -n "$ac_cv_tls_keyword"; then + AC_DEFINE_UNQUOTED([P11_TLS_KEYWORD], [$ac_cv_tls_keyword], [the compiler keyword to define thread-local storage]) + fi + # Required functions AC_CHECK_FUNCS([gmtime_r], [AC_DEFINE([HAVE_GMTIME_R], 1, [Whether gmtime_r() is available])], |