[MPlayer-users] make doc command fail

[James W.]

log :

[12:21:52 jwang5] mplayer $ make doc
mkdir -p DOCS/HTML/en
cp -f DOCS/xml/default.css DOCS/HTML/en
SGML_CATALOG_FILES=/etc/sgml/catalog  DOCS/HTML/en/dummy.html
DOCS/xml/html-chunk.xsl DOCS/xml/en/main.xml
/bin/sh: DOCS/HTML/en/dummy.html: No such file or directory
make: *** [DOCS/HTML/en/dummy.html] Error 127


who can help me?