From f6d4c27f49cfe5c411e6388333e7db6917a60560 Mon Sep 17 00:00:00 2001
From: Francis Dupont <fdupont@isc.org>
Date: Sat, 15 Oct 2016 11:20:55 +0200
Subject: Added check for nanosleep in -lrt

---
 configure.ac | 10 ++++++++++
 1 file changed, 10 insertions(+)

(limited to 'configure.ac')

diff --git a/configure.ac b/configure.ac
index 7f199a84..2a1cc150 100644
--- a/configure.ac
+++ b/configure.ac
@@ -612,6 +612,16 @@ AC_CHECK_FUNCS(strlcat)
 # For HP/UX we need -lipv6 for if_nametoindex, perhaps others.
 AC_SEARCH_LIBS(if_nametoindex, [ipv6])
 
+# For some Solaris nanosleep is found by BIND in librt
+have_nanosleep="no"
+AC_CHECK_FUNC(nanosleep, have_nanosleep="yes")
+if test "$have_nanosleep" = "no"; then
+	AC_CHECK_LIB(rt, nanosleep, have_nanosleep="rt")
+fi
+if test "$have_nanosleep" = "rt"; then
+	LIBS="-lrt $LIBS"
+fi
+
 # check for /dev/random (declares HAVE_DEV_RANDOM)
 AC_MSG_CHECKING(for random device)
 AC_ARG_WITH(randomdev,
-- 
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