diff options
Diffstat (limited to 'config/tls.m4')
| -rw-r--r-- | config/tls.m4 | 21 |
1 files changed, 0 insertions, 21 deletions
diff --git a/config/tls.m4 b/config/tls.m4 deleted file mode 100644 index 5cbb6854f..000000000 --- a/config/tls.m4 +++ /dev/null @@ -1,21 +0,0 @@ -dnl Check whether the target supports TLS. -AC_DEFUN([GCC_CHECK_TLS], [ - GCC_ENABLE(tls, yes, [Use thread-local storage]) - AC_CACHE_CHECK([whether the target supports thread-local storage], - have_tls, [ - AC_RUN_IFELSE([__thread int a; int b; int main() { return a = b; }], - [dnl If the test case passed with dynamic linking, try again with - dnl static linking. This fails at least with some older Red Hat - dnl releases. - save_LDFLAGS="$LDFLAGS" - LDFLAGS="-static $LDFLAGS" - AC_RUN_IFELSE([__thread int a; int b; int main() { return a = b; }], - [have_tls=yes], [have_tls=no], []) - LDFLAGS="$save_LDFLAGS"], - [have_tls=no], - [AC_COMPILE_IFELSE([__thread int foo;], [have_tls=yes], [have_tls=no])] - )]) - if test "$enable_tls $have_tls" = "yes yes"; then - AC_DEFINE(HAVE_TLS, 1, - [Define to 1 if the target supports thread-local storage.]) - fi]) |