doc/man/Makefile.am: add failing dist-hook on --disable-man-pages

Signed-off-by: Philippe Proulx <eeppeliteloop@gmail.com>
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>

diff --git a/doc/man/Makefile.am b/doc/man/Makefile.am
index 840a9c51d0fdbba54e61853845862537b9b621dd..bebfb1fb8dd5ef24e606341992e614d70425d8d1 100644 (file)
--- a/doc/man/Makefile.am
+++ b/doc/man/Makefile.am
@@ -134,5 +134,11 @@ dist_man3_MANS += $(MAN3)
 dist_man8_MANS += $(MAN8)
 endif # MAN_PAGES_OPT
 
+if !MAN_PAGES_OPT
+dist-hook:
+       @echo "Error: Please enable the man pages before creating a distribution tarball."
+       @false
+endif # !MAN_PAGES_OPT
+
 # always distribute the source files
 EXTRA_DIST = $(MAN_TXT) $(COMMON_TXT) $(XSL_SRC_FILES) $(ASCIIDOC_CONF)