diff -Nur a2ps-4.13.orig/lib/Makefile.am a2ps-4.13/lib/Makefile.am
--- a2ps-4.13.orig/lib/Makefile.am	1999-10-18 20:47:00.000000000 +0000
+++ a2ps-4.13/lib/Makefile.am	2006-11-21 11:07:54.000000000 +0000
@@ -32,7 +32,7 @@
 GPERFFLAGS = -t -D -L ANSI-C
 BUILT_SOURCES = parseppd.h liba2ps.h confg.c
 
-liba2ps_la_LIBADD = @LTALLOCA@ @LTLIBOBJS@
+liba2ps_la_LIBADD = -lm @LTALLOCA@ @LTLIBOBJS@
 liba2ps_la_LDFLAGS = -version-info @LIBVERSION@
 
 liba2psheaders = encoding.h media.h jobs.h output.h		\
diff -Nur a2ps-4.13.orig/lib/Makefile.in a2ps-4.13/lib/Makefile.in
--- a2ps-4.13.orig/lib/Makefile.in	2000-02-24 17:55:50.000000000 +0000
+++ a2ps-4.13/lib/Makefile.in	2006-11-21 11:12:35.000000000 +0000
@@ -148,7 +148,7 @@
 GPERFFLAGS = -t -D -L ANSI-C
 BUILT_SOURCES = parseppd.h liba2ps.h confg.c
 
-liba2ps_la_LIBADD = @LTALLOCA@ @LTLIBOBJS@
+liba2ps_la_LIBADD = -lm @LTALLOCA@ @LTLIBOBJS@
 liba2ps_la_LDFLAGS = -version-info @LIBVERSION@
 
 liba2psheaders = encoding.h media.h jobs.h output.h		\