diff --git a/configure.ac b/configure.ac
index 964f5fc..d490a48 100644
--- a/configure.ac
+++ b/configure.ac
@@ -49,6 +49,14 @@ if test x$BOXTYPE = xgeneric; then
 	# don't know which version is exactly needed here...
 	PKG_CHECK_MODULES([AVUTIL], [libavutil])
 fi
+if test x$BOXTYPE = xspark; then
+	# versions are probably not correct :-(
+	PKG_CHECK_MODULES([AVFORMAT], [libavformat >= 53.21.1])
+	PKG_CHECK_MODULES([AVCODEC], [libavcodec >= 54.28.0])
+	PKG_CHECK_MODULES([SWRESAMPLE], [libswresample])
+	PKG_CHECK_MODULES([AVUTIL], [libavutil])
+fi
+
 AC_OUTPUT([
 Makefile
 common/Makefile
diff --git a/libeplayer3/Makefile.am b/libeplayer3/Makefile.am
index 0746290..dc32e1f 100644
--- a/libeplayer3/Makefile.am
+++ b/libeplayer3/Makefile.am
@@ -27,9 +27,14 @@ AM_CFLAGS = -Wall -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64 -D_LARGEFILE64_SOUR
 # silence ffmpeg deprecation warnings
 #AM_CPPFLAGS = -Dattribute_deprecated=''
 
-#libeplayer3_la_LIBADD = -lpthread -lavformat -lavcodec -lavutil -lz -lass -lm -lpng
+AM_LDFLAGS = \
+	@AVFORMAT_LIBS@ \
+	@AVCODEC_LIBS@ \
+	@AVUTIL_LIBS@ \
+	@SWRESAMPLE_LIBS@ \
+	-lpthread -lz -lass -lm -lpng
 
-LIBEPLAYER3_LIBS = libeplayer3.la -lpthread -lavformat -lavcodec -lavutil -lswresample -lz -lass -lm -lpng
+LIBEPLAYER3_LIBS = libeplayer3.la
 bin_PROGRAMS = eplayer3 meta
 eplayer3_SOURCES = tools/eplayer2.c
 eplayer3_LDADD = $(LIBEPLAYER3_LIBS)