From 3390ccb32a6978f22c3a2d532b148a0dd9859c14 Mon Sep 17 00:00:00 2001
From: Brian Barrett <brbarret@open-mpi.org>
Date: Mon, 19 Dec 2005 04:14:31 +0000
Subject: [PATCH] Only include -lm if we really need to, since we don't really
 need to on OS X

This commit was SVN r8539.
---
 configure.ac | 7 ++-----
 1 file changed, 2 insertions(+), 5 deletions(-)

diff --git a/configure.ac b/configure.ac
index f9d619c80e..57e2770f60 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1181,11 +1181,8 @@ OMPI_CHECK_FUNC_LIB([backtrace], [execinfo])
 # IRIX has dirname in -lgen, usually in libc
 OMPI_CHECK_FUNC_LIB([dirname], [gen])
 
-#
-# See if we need the math library explicitly linked in
-#
-
-AC_CHECK_LIB([m], [ceil])
+# Darwin doesn't need -lm, as it's a symlink to libSystem.dylib
+OMPI_CHECK_FUNC_LIB([ceil], [m])
 
 # checkpoint results
 AC_CACHE_SAVE