misc: avoid genmf in some simple cases

Also do not hard-code -lm for the fingerprinter.

configure.ac

@@ -602,7 +602,7 @@ AC_CHECK_FUNCS([if_nameindex if_nametoindex])
 VLC_RESTORE_FLAGS
 
 AS_IF([test -n "$SOCKET_LIBS"], [
-  VLC_ADD_LIBS([access_rtmp access_output_shout sap stream_out_standard stream_out_rtp stream_out_raop vod_rtsp rtp oldrc netsync gnutls ts audioscrobbler remoteosd audiobargraph_a],[${SOCKET_LIBS}])
+  VLC_ADD_LIBS([access_rtmp access_output_shout sap stream_out_standard stream_out_rtp stream_out_raop vod_rtsp rtp oldrc netsync gnutls ts remoteosd audiobargraph_a],[${SOCKET_LIBS}])
 ])
 AC_SUBST(SOCKET_LIBS)
 
@@ -3656,10 +3656,9 @@ dnl  chromaprint audio track fingerprinter
 dnl
 m4_pushdef([libchromaprint_version], 0.6.0)
 PKG_WITH_MODULES([CHROMAPRINT],[libchromaprint >= libchromaprint_version],
-    VLC_ADD_PLUGIN([stream_out_chromaprint fingerprinter])
+    VLC_ADD_PLUGIN([stream_out_chromaprint])
     VLC_ADD_CFLAGS([stream_out_chromaprint],[${CHROMAPRINT_CFLAGS}] [-I./webservices -I../stream_out])
     VLC_ADD_LIBS([stream_out_chromaprint],[${CHROMAPRINT_LIBS}])
-    VLC_ADD_LIBS([fingerprinter],[-lm]),
     AS_IF([test "${enable_chromaprint}" = "yes"],
         [AC_MSG_ERROR(Library [libchromaprint >= libchromaprint_version] needed for [chromaprint] was not found)],
         [AC_MSG_WARN(Library [libchromaprint >= libchromaprint_version] needed for [chromaprint] was not found)]

modules/misc/Modules.am

 SOURCES_vod_rtsp = rtsp.c
-SOURCES_audioscrobbler = audioscrobbler.c
-SOURCES_fingerprinter = fingerprinter.c \
-	webservices/acoustid.c \
-	webservices/acoustid.h \
-	webservices/json.c \
-	webservices/json.h
 
 SOURCES_xml = xml/libxml.c
 
+libaudioscrobbler_plugin_la_SOURCES = audioscrobbler.c
+libaudioscrobbler_plugin_la_LIBADD = $(SOCKET_LIBS)
+misc_LTLIBRARIES += libaudioscrobbler_plugin.la
+
 libexport_plugin_la_SOURCES = \
 	playlist/html.c \
 	playlist/m3u.c \
@@ -15,6 +13,12 @@ libexport_plugin_la_SOURCES = \
 	playlist/export.c
 misc_LTLIBRARIES += libexport_plugin.la
 
+libfingerprinter_plugin_la_SOURCES = fingerprinter.c \
+	webservices/acoustid.c webservices/acoustid.h \
+	webservices/json.c webservices/json.h
+libfingerprinter_plugin_la_LIBADD = $(LIBM)
+misc_LTLIBRARIES += libfingerprinter_plugin.la
+
 libgnutls_plugin_la_SOURCES = gnutls.c dhparams.h
 libgnutls_plugin_la_CFLAGS = $(AM_CFLAGS) $(GNUTLS_CFLAGS)
 libgnutls_plugin_la_LIBADD = $(GNUTLS_LIBS)
@@ -45,7 +49,6 @@ endif
 libstats_plugin_la_SOURCES = stats.c
 
 misc_LTLIBRARIES += \
-	libaudioscrobbler_plugin.la \
 	liblogger_plugin.la \
 	libstats_plugin.la