use CLEANFILES instead of defining a custom clean target

diff --git a/doc/Makefile.am b/doc/Makefile.am
index b2d25b3..8983bbf 100644 (file)
--- a/doc/Makefile.am
+++ b/doc/Makefile.am
@@ -4,12 +4,7 @@ if HAVE_DOCSTUFF
 
 DOCS = conky.1 docs.html variables.html config_settings.html lua.html
 
-clean-am: clean-generic mostlyclean-am
-       rm -f docs.mxml
-       rm -f conky.1
-       rm -f variables.html
-       rm -f config_settings.html
-       rm -f lua.html
+CLEANFILES = docs.mxml conky.1 variable.html config_settings.html lua.html
 
 conky.1: command_options.xml config_settings.xml docs.xml variables.xml lua.xml
        ${db2x_xsltproc_cmd} -s man ${srcdir}/docs.xml -o docs.mxml