From 83c4ea8366c0fa01d947dc73eba95e3b4f5a17ac Mon Sep 17 00:00:00 2001
From: Yukihiro Matz Matsumoto <matz@ruby-lang.org>
Date: Tue, 18 Dec 2012 22:29:24 +0900
Subject: Rakefile: LIBS default to -lm

---
 Rakefile | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'Rakefile')

diff --git a/Rakefile b/Rakefile
index fe966879d..2cd11a239 100644
--- a/Rakefile
+++ b/Rakefile
@@ -34,7 +34,7 @@ else  # including 'debug'
   CFLAGS = if e then [e] else ['-g', '-O3'] end
 end
 LDFLAGS = [ENV['LDFLAGS']]
-LIBS = [ENV['LIBS']]
+LIBS = [ENV['LIBS'] || '-lm']
 
 CFLAGS << "-Wall" << "-Werror-implicit-function-declaration" << "-I#{MRUBY_ROOT}/include"
 if ENV['OS'] == 'Windows_NT'
-- 
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