[gegl] configure.ac: add check for rint

[Ãyvind KolÃs <ok src gnome org>]

commit 2e257bf978244933a37f674e4bb4f820b7900bc4
Author: Ãyvind KolÃs <pippin gimp org>
Date:   Sat Mar 24 00:21:43 2012 +0000

    configure.ac: add check for rint

 configure.ac |    6 ++++++
 1 files changed, 6 insertions(+), 0 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index 9577903..596483c 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1034,6 +1034,12 @@ AC_ARG_ENABLE([workshop],
 
 AM_CONDITIONAL(ENABLE_WORKSHOP, test "x$enable_workshop" = "xyes")
 
+# check for rint
+AC_CHECK_FUNC(rint, AC_DEFINE(HAVE_RINT, 1,
+                              [Define to 1 if you have the rint function.]), [ 
+                  AC_CHECK_LIB(m, rint, [AC_DEFINE(HAVE_RINT)])])
+
+
 #######################
 # Enable extra warnings
 #######################