Also control plugin export table

bootstrap

@@ -380,7 +380,8 @@ lib${mod}_plugin_la_CFLAGS = \`\$(VLC_CONFIG) --cflags plugin ${mod}\`
 lib${mod}_plugin_la_CXXFLAGS = \`\$(VLC_CONFIG) --cxxflags plugin ${mod}\`
 lib${mod}_plugin_la_OBJCFLAGS = \`\$(VLC_CONFIG) --objcflags plugin ${mod}\`
 lib${mod}_plugin_la_LDFLAGS = \`\$(VLC_CONFIG) --libs plugin ${mod}\` \\
-	-rpath '\$(libvlcdir)' -avoid-version -module -shrext \$(LIBEXT)
+	-rpath '\$(libvlcdir)' -avoid-version -module -shrext \$(LIBEXT) \\
+	-export-symbol-regex ^\$(VLC_ENTRY)\$\$
 lib${mod}_plugin_la_LIBADD = \$(LTLIBVLC)
 
 lib${mod}_a_SOURCES = \$(SOURCES_${mod})