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.
+ dnl static linking, but only if static linking is supported (not
+ dnl on Solaris 10). This fails with some older Red Hat releases.
save_LDFLAGS="$LDFLAGS"
LDFLAGS="-static $LDFLAGS"
- AC_RUN_IFELSE([__thread int a; int b; int main() { return a = b; }],
- [have_tls=yes], [have_tls=no], [])
+ AC_LINK_IFELSE([int main() { return 0; }],
+ AC_RUN_IFELSE([__thread int a; int b; int main() { return a = b; }],
+ [have_tls=yes], [have_tls=no],[]),
+ [have_tls=yes])
LDFLAGS="$save_LDFLAGS"],
[have_tls=no],
[AC_LINK_IFELSE([__thread int a; int b; int main() { return a = b; }],