[gnote] Allow using Boost TR1 implementation if really needed.

[Hubert Figuière <hub src gnome org>]

commit 5bcbde2f63ef0cd8f5cec64ca57c96de4bb09630
Author: Hubert Figuiere <hub figuiere net>
Date:   Sat Jun 6 03:22:12 2009 -0400

    Allow using Boost TR1 implementation if really needed.
---
 NEWS         |    1 +
 configure.ac |    5 +++++
 2 files changed, 6 insertions(+), 0 deletions(-)

diff --git a/NEWS b/NEWS
index 10bfb17..fc25395 100644
--- a/NEWS
+++ b/NEWS
@@ -18,6 +18,7 @@ Fixes:
   * Update boost.m4 to latest version. (Closes #581559) (Priit Laes)
   * Fix bug in URL parsing causing file link when not appropriate.
     (Closes #581506)
+  * Allow using Boost TR1 implementation if really needed.
 
 Translations:
 
diff --git a/configure.ac b/configure.ac
index 03d9582..1f45f63 100644
--- a/configure.ac
+++ b/configure.ac
@@ -138,6 +138,11 @@ BOOST_CONVERSION
 BOOST_FILESYSTEM
 BOOST_FORMAT
 BOOST_TEST([s])
+AC_CHECK_HEADER(tr1/memory,,[
+	CXXFLAGS="$CXXFLAGS -I/usr/include/boost/tr1";
+	AC_MSG_NOTICE([using boost tr1 implementation.])
+])
+
 
 AC_LANG_PUSH(C++)
 if test "$GCC" = "yes"; then