First pass at adding API docs through gtk-doc

Required a bit of mangling.

doc/Makefile.am

@@ -0,0 +1,77 @@
+
+SUBDIRS = dbus
+
+NULL =
+
+AUTOMAKE_OPTIONS = 1.7
+
+# The name of the module.
+DOC_MODULE=fprintd
+
+# The top-level SGML file.
+DOC_MAIN_SGML_FILE=fprintd-docs.xml
+
+# Extra options to supply to gtkdoc-scan
+SCAN_OPTIONS=--ignore-headers=config.h
+
+# The directory containing the source code. Relative to $(srcdir)
+DOC_SOURCE_DIR=../src
+
+# Used for dependencies
+HFILE_GLOB=
+#$(top_srcdir)/policy/*.h
+CFILE_GLOB=
+#$(top_srcdir)/policy/*.c
+
+# Headers to ignore
+IGNORE_HFILES= \
+	$(NULL)
+
+# CFLAGS and LDFLAGS for compiling scan program. Only needed
+# if $(DOC_MODULE).types is non-empty.
+INCLUDES = \
+	$(GLIB_CFLAGS)			\
+	-I$(top_srcdir)/src		\
+	$(NULL)
+
+GTKDOC_LIBS = 					\
+	$(GLIB_LIBS)				\
+	$(top_builddir)/src/libfprintd.la	\
+	$(NULL)
+
+# Extra options to supply to gtkdoc-mkdb
+MKDB_OPTIONS=--sgml-mode --output-format=xml
+
+# Extra options to supply to gtkdoc-mktmpl
+MKTMPL_OPTIONS=
+
+# Non-autogenerated SGML files to be included in $(DOC_MAIN_SGML_FILE)
+content_files =  			    			\
+	version.xml			    			\
+	dbus/net.reactivated.Fprint.Manager.ref.xml		\
+	dbus/net.reactivated.Fprint.Device.ref.xml	\
+	$(NULL)
+
+# Images to copy into HTML directory
+HTML_IMAGES = 				\
+	$(NULL)
+
+# Extra options to supply to gtkdoc-fixref
+FIXXREF_OPTIONS=
+
+MAINTAINERCLEANFILES =		\
+	*~			\
+	Makefile.in		\
+	fprintd.types		\
+	fprintd-*.txt		\
+	$(NULL)
+
+if ENABLE_GTK_DOC
+include $(top_srcdir)/gtk-doc.make
+else
+EXTRA_DIST =
+endif
+
+# Version information for marking the documentation
+EXTRA_DIST += version.xml.in
+