diff -uNr deadbeef-0.5.1.old/plugins/ffap/Makefile.am deadbeef-0.5.1/plugins/ffap/Makefile.am
--- deadbeef-0.5.1.old/plugins/ffap/Makefile.am	2011-03-03 21:06:15.000000000 +0100
+++ deadbeef-0.5.1/plugins/ffap/Makefile.am	2011-06-06 21:27:36.783839885 +0200
@@ -4,5 +4,6 @@
 ffap_la_SOURCES = ffap.c
 ffap_la_LDFLAGS = -module
 
+ffap_la_LIBADD = $(LDADD) -lm
 AM_CFLAGS = $(CFLAGS) -std=c99
 endif
diff -uNr deadbeef-0.5.1.old/plugins/ffmpeg/Makefile.am deadbeef-0.5.1/plugins/ffmpeg/Makefile.am
--- deadbeef-0.5.1.old/plugins/ffmpeg/Makefile.am	2011-03-03 21:06:15.000000000 +0100
+++ deadbeef-0.5.1/plugins/ffmpeg/Makefile.am	2011-06-06 21:19:42.009745288 +0200
@@ -4,6 +4,6 @@
 ffmpeg_la_SOURCES = ffmpeg.c
 ffmpeg_la_LDFLAGS = -module
 
-ffmpeg_la_LIBADD = $(LDADD) $(FFMPEG_DEPS_LIBS)
+ffmpeg_la_LIBADD = $(LDADD) $(FFMPEG_DEPS_LIBS) -lm
 AM_CFLAGS = $(CFLAGS) -std=c99 ${FFMPEG_DEPS_CFLAGS}
 endif
diff -uNr deadbeef-0.5.1.old/plugins/m3u/Makefile.am deadbeef-0.5.1/plugins/m3u/Makefile.am
--- deadbeef-0.5.1.old/plugins/m3u/Makefile.am	2011-05-07 18:42:49.000000000 +0200
+++ deadbeef-0.5.1/plugins/m3u/Makefile.am	2011-06-06 21:19:24.463173681 +0200
@@ -5,7 +5,7 @@
 
 m3u_la_LDFLAGS = -module
 
-m3u_la_LIBADD = $(LIBADD)
+m3u_la_LIBADD = $(LIBADD) -lm
 
 m3u_la_CFLAGS = $(CFLAGS) -std=c99
 endif