Add a script to generate the static module list

All modules are built statically. So we must generate a table with the
enty point to vlc can use them.

generate_modules_list.sh

+#!/bin/bash
+set -e
+
+## FUNCTIONS
+
+diagnostic()
+{
+     echo "$@" 1>&2;
+}
+
+checkfail()
+{
+    if [ ! $? -eq 0 ];then
+        diagnostic "$1"
+        exit 1
+    fi
+}
+
+get_symbol()
+{
+    echo "$1" | grep vlc_entry_$2 | cut -d " " -f 3
+}
+
+. emsdk-portable/emsdk_env.sh
+
+if [ ! -d vlc ]; then
+    diagnostic "vlc must exists. Execute compile.sh"
+	exit 1
+fi
+
+cd vlc
+
+PROJECT_DIR=$(pwd)
+
+cd build-emscripten/modules/.libs
+
+# create module list
+echo "creating module list"
+touch $PROJECT_DIR/build-emscripten/vlc-modules.c
+echo -e "// This file is autogenerated" > $PROJECT_DIR/build-emscripten/vlc-modules.c
+echo -e "#include <unistd.h>\n\n" >> $PROJECT_DIR/build-emscripten/vlc-modules.c
+
+
+BUILTINS="const void *vlc_static_modules[] = {\n"
+LDFLAGS=""
+DEFINITIONS=""
+VLCMODULES=""
+i=""
+
+for i in `ls *plugin.a`
+do
+    VLCMODULES="$i $VLCMODULES"
+done
+
+for file in $VLCMODULES
+    do
+        symbols=$(llvm-nm -g $file)
+        entryname=$(get_symbol "$symbols" _)
+        DEFINITIONS+="int $entryname (int (*)(void *, void *, int, ...), void *);\n";
+        BUILTINS+=" $entryname,\n"
+        LDFLAGS+="\$PROJECT_DIR/build-emscripten/modules/.libs/$file "
+    done;
+
+cd ../..
+
+BUILTINS="$BUILTINS NULL\n};\n"
+
+echo -e "$DEFINITIONS\n$BUILTINS" >> $PROJECT_DIR/build-emscripten/vlc-modules.c