From 592ed1d4ef15549f8168fd66106621ac01ce7647 Mon Sep 17 00:00:00 2001
From: Neil Brown <neil@twistedsquare.com>
Date: Tue, 27 Jan 2009 16:59:35 +0000
Subject: [PATCH] Added a line to fix an autoconf warning and added -lm to the
 link options (for the math libraries)

---
 configure.ac | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/configure.ac b/configure.ac
index 7975e8b..1806a62 100644
--- a/configure.ac
+++ b/configure.ac
@@ -12,6 +12,7 @@ AC_CONFIG_SRCDIR(Main.hs)
 #Find the C and C++ compilers
 AC_PROG_CC
 AC_PROG_CXX
+AM_PROG_CC_C_O
 
 ccsp_available=true
 cppcsp_available=true
@@ -239,10 +240,10 @@ CFLAGS="$CFLAGS $no_strict_overflow $no_tree_vrp"
 common_cflags="-Wall $no_unused -ggdb3 -Isupport $no_strict_aliasing"
 
 TOCK_CFLAGS="$gnu89_inline $CPPFLAGS $CFLAGS $common_cflags $CCSP_CFLAGS $GLIB_CFLAGS"
-TOCK_CLDFLAGS="$LDFLAGS $CCSP_LIBS $GLIB_LIBS"
+TOCK_CLDFLAGS="$LDFLAGS $CCSP_LIBS $GLIB_LIBS -lm"
 
 TOCK_CXXFLAGS="$CPPFLAGS $CXXFLAGS $common_cflags $CPPCSP2_CFLAGS"
-TOCK_CXXLDFLAGS="$LDFLAGS $CPPCSP2_LIBS"
+TOCK_CXXLDFLAGS="$LDFLAGS $CPPCSP2_LIBS -lm"
 
 AC_SUBST(TOCK_CFLAGS)
 AC_SUBST(TOCK_CLDFLAGS)