add doxygen stuff

.gitignore

@@ -11,10 +11,12 @@
 *.log
 *.pdf
 
+# autofoo
+Makefile
+Makefile.in
+
 /.deps/
 /.libs/
-/Makefile
-/Makefile.in
 /aclocal.m4
 /autom4te.cache/
 /autoscan-*.log

Makefile.am

@@ -1,5 +1,5 @@
 ## Makefile.am -- Process this file with automake to produce Makefile.in
-# how to build a so library?
+SUBDIRS = doc
 
 lib_LTLIBRARIES = \
   libbrandt.la

configure.ac

@@ -29,6 +29,8 @@ AC_TYPE_UINT16_T
 CC=$(echo "${CC}" | sed 's/-std=gnu99/-std=c99/')
 CPP=$(echo "${CC}" | sed 's/-std=gnu99/-std=c99/')
 
-AC_CONFIG_FILES([Makefile])
-
+AC_CONFIG_FILES([
+Makefile
+doc/Makefile
+])
 AC_OUTPUT

doc/Makefile.am

@@ -0,0 +1,14 @@
+all:
+	@echo -e \
+"Generate documentation:\n" \
+"\tmake full - full documentation with dependency graphs (slow)\n" \
+"\tmake fast - fast mode without dependency graphs"
+
+full: brandt.doxy
+	doxygen $<
+
+fast: brandt.doxy
+	sed 's/\(HAVE_DOT.*=\).*/\1 NO/' $< | doxygen -
+
+clean:
+	rm -rf html