--- g3data-1.5.3/Makefile	2008-12-13 23:20:17.000000000 -0900
+++ Makefile	2010-04-17 17:13:33.782343042 -0800
@@ -1,6 +1,6 @@
 CC=gcc
 CFLAGS=-Wall `pkg-config --cflags gtk+-2.0`
-LIBS=`pkg-config --libs gtk+-2.0`
+LIBS=`pkg-config --libs gtk+-2.0` -lm
 bindir ?= /usr/bin
 mandir ?= /usr/share/man
 
@@ -9,7 +9,6 @@
 
 g3data: main.o sort.o points.o drawing.o g3data.1.gz
 	$(CC) $(CFLAGS) -o g3data main.o sort.o points.o drawing.o $(LIBS)
-	strip g3data
 
 main.o: main.c main.h strings.h vardefs.h