doc: specify the IMAGE_PATH relative to the source

Fixes doxygen build with custom builddirs

Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>

diff --git a/doc/libinput.doxygen.in b/doc/libinput.doxygen.in
index 8fb045e..254e947 100644 (file)
--- a/doc/libinput.doxygen.in
+++ b/doc/libinput.doxygen.in
@@ -842,7 +842,8 @@ EXAMPLE_RECURSIVE      = NO
 # that contain images that are to be included in the documentation (see the
 # \image command).
 
-IMAGE_PATH             = svg
+IMAGE_PATH             = @top_srcdir@/doc/svg \
+                        @top_srcdir@/doc/dot
 
 # The INPUT_FILTER tag can be used to specify a program that doxygen should
 # invoke to filter for each input file. Doxygen will invoke the filter program