From 56629ddec10889782004f418388ff1e35ecd06a8 Mon Sep 17 00:00:00 2001
From: "Frank Ch. Eigler" <fche@redhat.com>
Date: Wed, 10 Oct 2012 18:09:21 -0400
Subject: [PATCH] PR14245: have configury look for openat(2) syscall

... since it will be used for fd passing between staprun & stapio
---
 config.in    |  3 +++
 configure    | 11 +++++++++++
 configure.ac |  1 +
 3 files changed, 15 insertions(+)

diff --git a/config.in b/config.in
index 25c4cd365..c87460a81 100644
--- a/config.in
+++ b/config.in
@@ -65,6 +65,9 @@
 /* Define to 1 if you have the nss libraries. */
 #undef HAVE_NSS
 
+/* Define to 1 if you have the `openat' function. */
+#undef HAVE_OPENAT
+
 /* Define to 1 if you have the `ppoll' function. */
 #undef HAVE_PPOLL
 
diff --git a/configure b/configure
index d33726a86..380590df1 100755
--- a/configure
+++ b/configure
@@ -8864,6 +8864,17 @@ _ACEOF
 fi
 done
 
+for ac_func in openat
+do :
+  ac_fn_c_check_func "$LINENO" "openat" "ac_cv_func_openat"
+if test "x$ac_cv_func_openat" = xyes; then :
+  cat >>confdefs.h <<_ACEOF
+#define HAVE_OPENAT 1
+_ACEOF
+
+fi
+done
+
 
 if test "${enable_prologues+set}" != set; then
   { $as_echo "$as_me:${as_lineno-$LINENO}: checking to see if prologue searching should be the default" >&5
diff --git a/configure.ac b/configure.ac
index b19075d04..ee99ea20e 100644
--- a/configure.ac
+++ b/configure.ac
@@ -32,6 +32,7 @@ AC_SYS_LARGEFILE
 AM_GNU_GETTEXT(external)
 AM_GNU_GETTEXT_VERSION(0.17)
 AC_CHECK_FUNCS(ppoll)
+AC_CHECK_FUNCS(openat)
 
 dnl Handle the prologues option.
 dnl
-- 
2.43.5