doxygen automake integration: make sure the 'doc' directory exists
diff --git a/Makefile.am b/Makefile.am
index 64f13dd..5a999eb 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -31,18 +31,22 @@
$(top_builddir)/doc/core/html/index.html: $(SOURCES) Doxyfile
rm -rf doc/core
+ mkdir -p doc/core
$(DOXYGEN) Doxyfile
$(top_builddir)/doc/gsm/html/index.html: $(SOURCES) Doxyfile.gsm
rm -rf doc/gsm
+ mkdir -p doc/gsm
$(DOXYGEN) Doxyfile.gsm
$(top_builddir)/doc/vty/html/index.html: $(SOURCES) Doxyfile.vty
rm -rf doc/vty
+ mkdir -p doc/vty
$(DOXYGEN) Doxyfile.vty
$(top_builddir)/doc/codec/html/index.html: $(SOURCES) Doxyfile.codec
- rm -rf doc/vty
+ rm -rf doc/codec
+ mkdir -p doc/codec
$(DOXYGEN) Doxyfile.codec
install-data-hook: