doxygen: fix rebuild when not necessary

Everytime make is invoked, doxygen is invoked to generate the html doc.

Dependencies are added so it does rebuild when necessary.

Signed-off-by: Gaetan Nadon <memsize@videotron.ca>
Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>

diff --git a/doc/Makefile.am b/doc/Makefile.am
index ecc2c61e125e1604d7ce0703e7bca8dc8d3308a1..2220eb7bbe65c90d6e78b6fd91dd9b4fef997378 100644 (file)
--- a/doc/Makefile.am
+++ b/doc/Makefile.am
@@ -1,16 +1,20 @@
 if HAVE_DOXYGEN
-all-local: doxygen
 
-doxygen: libevdev.doxygen
+noinst_DATA = html/index.html
+
+header_files = \
+       $(top_srcdir)/libevdev/libevdev.h \
+       $(top_srcdir)/libevdev/libevdev-uinput.h
+
+html/index.html: libevdev.doxygen $(header_files)
        $(AM_V_GEN)$(DOXYGEN) $<
 
 clean-local:
        $(AM_V_at)rm -rf html
 
-.PHONY: doxygen
-
 doc_src= $(shell find html -type f -printf "html/%P\n" 2>/dev/null)
 EXTRA_DIST = $(doc_src) libevdev.css
+
 endif
 
 # make sure doc was built before running dist