configure: remove useless NPTL probe

Using a linuxthreads system with a recent QEMU will have bigger problems
than just not having NPTL.  Remove the unnecessary check.

Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

1 files changed, 0 insertions, 19 deletions

diff --git a/configure b/configure
index 0316200..b5c3634 100755
--- a/configure
+++ b/configure
@@ -1995,25 +1995,6 @@ if ! has "$pkg_config_exe"; then
 fi
 
 ##########################################
-# NPTL probe
-
-if test "$linux_user" = "yes"; then
-  cat > $TMPC <<EOF
-#include <sched.h>
-#include <linux/futex.h>
-int main(void) {
-#if !defined(CLONE_SETTLS) || !defined(FUTEX_WAIT)
-#error bork
-#endif
-  return 0;
-}
-EOF
-  if ! compile_object ; then
-    feature_not_found "nptl" "Install glibc and linux kernel headers."
-  fi
-fi
-
-##########################################
 # xen probe
 
 if test "$xen" != "disabled" ; then