--- a/configure.in	2007-10-30 02:38:30.000000000 -0500
+++ b/configure.in	2009-01-21 18:55:37.000000000 -0600
@@ -92,6 +92,8 @@
 AC_SUBST(LIBHNJ_CFLAGS)
 AC_SUBST(LIBHNJ_LIBS)
 
+AC_CHECK_LIB([m], [pow])
+
 PNG_PREFIX=no
 AC_ARG_WITH(png, [  --with-png=DIR          Path to png library (/usr)])
 case "${withval}" in