@@ -, +, @@ 
---
--- a/gtk-nodoka-engine/configure.ac	
+++ a/gtk-nodoka-engine/configure.ac	
@@ -17,6 +17,9 @@ AC_LIBTOOL_WIN32_DLL
 AC_PROG_LIBTOOL
 AC_CONFIG_MACRO_DIR([m4])
 
+AC_CHECK_LIBM
+AC_SUBST([LIBM])
+
 AC_ARG_ENABLE(animation, [  --enable-animation      compile nodoka with animation support], [animation=$enableval], 	[animation="no"], )
 AC_ARG_ENABLE(animationtoleft, [  --enable-animationtoleft        compile nodoka with progressbar animation from right to left], [animationtoleft=$enableval], 	[animationtoleft="no"], )
 
--- a/gtk-nodoka-engine/src/GTKEngine/Makefile.am	
+++ a/gtk-nodoka-engine/src/GTKEngine/Makefile.am	
@@ -29,6 +29,6 @@ libnodoka_la_SOURCES =		\
 EXTRA_DIST = $(libnodoka_la_SOURCES)
 
 libnodoka_la_LDFLAGS = -module -avoid-version -no-undefined
-libnodoka_la_LIBADD =  $(GTK_LIBS)
+libnodoka_la_LIBADD =  $(GTK_LIBS) $(LIBM)
 
 MAINTAINERCLEANFILES = Makefile.in