--- ./devel-docs/tools/Makefile.am.link	2012-05-03 04:02:30.000000000 +0000
+++ ./devel-docs/tools/Makefile.am	2012-05-03 04:02:46.000000000 +0000
@@ -34,7 +34,7 @@
 	$(libgimpcolor)		\
 	$(libgimpbase)		\
 	$(GTK_LIBS)		\
-	$(X_LIBS) -lX11 -lXext
+	$(X_LIBS) -lX11 -lXext -lm
 
 
 EXTRA_PROGRAMS = doc-shooter
--- ./devel-docs/tools/Makefile.in.link	2012-05-03 04:02:36.000000000 +0000
+++ ./devel-docs/tools/Makefile.in	2012-05-03 04:02:59.000000000 +0000
@@ -465,7 +465,7 @@
 	$(libgimpcolor)		\
 	$(libgimpbase)		\
 	$(GTK_LIBS)		\
-	$(X_LIBS) -lX11 -lXext
+	$(X_LIBS) -lX11 -lXext -lm
 
 EXTRA_DIST = README.shooter
 all: all-am