From 764be77f3acd9f1d412247e9468e38ebb9117478 Mon Sep 17 00:00:00 2001
From: Syohei YOSHIDA <syohex@gmail.com>
Date: Thu, 7 Nov 2013 07:40:52 +0900
Subject: [PATCH] add '-lm'

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

diff --git a/Makefile b/Makefile
index b74f74e1..40399c30 100644
--- a/Makefile
+++ b/Makefile
@@ -17,7 +17,7 @@ build-lib:
 	cd src; \
 	  yacc -d parse.y; \
 	  lex scan.l
-	$(CC) $(CFLAGS) -shared src/*.c -o lib/libpicrin.so -I./include -I./extlib
+	$(CC) $(CFLAGS) -shared src/*.c -o lib/libpicrin.so -I./include -I./extlib -lm
 
 clean:
 	rm -f src/y.tab.c src/y.tab.h src/lex.yy.c