Since gtk-mkhtml is executed in a sub-directory of the build directory, and
make does not know of that, the $(buildir) variable will still be "." and
the $(srcdir) will not properly be found. For this reason, use the absolute
variants for the two functions, which won't be changing.
MKTMPL_OPTIONS=
# Extra options to supply to gtkdoc-mkhtml
-MKHTML_OPTIONS=
+MKHTML_OPTIONS=--path=$(abs_srcdir) --path=$(abs_builddir)
# Extra options to supply to gtkdoc-fixref. Not normally needed.
# e.g. FIXXREF_OPTIONS=--extra-dir=../gdk-pixbuf/html --extra-dir=../gdk/html
MKTMPL_OPTIONS=
# Extra options to supply to gtkdoc-mkhtml
-MKHTML_OPTIONS=
+MKHTML_OPTIONS=--path=$(abs_srcdir) --path=$(abs_builddir)
# Extra options to supply to gtkdoc-fixref. Not normally needed.
# e.g. FIXXREF_OPTIONS=--extra-dir=../gdk-pixbuf/html --extra-dir=../gdk/html