-rm -f libvlc-headers.sym
-
-cat ${srcdir}/../include/vlc_*.h | \
-sed -n -e 's/^\s*VLC_EXPORT\s*([^,]*,\([^,]*\).*).*/\1/p' | \
-sed -e 's/[^a-zA-Z0-9_]*//' | \
-sort -du > libvlc-headers.sym
-
-if ! diff -u ${srcdir}/libvlc.sym libvlc-headers.sym; then