build-sys: clean man pages when building them

diff --git a/Makefile.am b/Makefile.am
index bbe9b462e1a97439c58d056515ff401c3446ff76..41babe558cada09f347da3e43f68d0253d77ac6c 100644 (file)
--- a/Makefile.am
+++ b/Makefile.am
@@ -626,6 +626,10 @@ man_MANS = \
 
 noinst_DATA = \
        ${XML_FILES:.xml=.html}
+
+CLEANFILES += \
+       $(MANPAGES) \
+       $(MANPAGES_ALIAS)
 endif
 
 EXTRA_DIST += \