test: build vlc-demux-* when libfuzzer is used

configure.ac

@@ -796,6 +796,7 @@ AS_VAR_IF(with_libfuzzer, no, [], [
     enable_static=yes
     enable_vlc=no
 ])
+AM_CONDITIONAL(HAVE_LIBFUZZER, [test "${with_libfuzzer}" != "no"])
 
 AS_IF([test "${enable_shared}" = "no"], [
   have_dynamic_objects=no

test/Makefile.am

@@ -252,3 +252,8 @@ vlc_demux_dec_libfuzzer_SOURCES = vlc-demux-libfuzzer.c
 vlc_demux_dec_libfuzzer_CPPFLAGS = $(vlc_static_CPPFLAGS)
 vlc_demux_dec_libfuzzer_LDADD = libvlc_demux_dec_run.la
 EXTRA_PROGRAMS += vlc-demux-dec-libfuzzer
+
+if HAVE_LIBFUZZER
+bin_PROGRAMS = vlc-demux-run vlc-demux-dec-run \
+    vlc-demux-libfuzzer vlc-demux-dec-libfuzzer
+endif