--- a/src/plugins/scratch/build.sh	2010-04-23 19:45:21 +0400
+++ b/src/plugins/scratch/build.sh	2010-04-25 14:15:54 +0400
@@ -2,5 +2,5 @@
 # Fedora Linux script; resulting plugin works on the XO
 rm -f *.o ScratchPlugin
 gcc -fPIC -Wall -c *.c
-gcc -shared *.o -o ScratchPlugin
+gcc -shared *.o -lm -o ScratchPlugin
 rm -f *.o