From 2974c4e2b4a9d9ea86373fbca2ed47339dbbb2d7 Mon Sep 17 00:00:00 2001
From: Alexandre Dupas <alexandre.dupas@gmail.com>
Date: Mon, 26 Jul 2010 17:47:03 +0200
Subject: [PATCH] Conditionnal include of depend files depending on the current
 goal.

---
 makefile | 11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)

diff --git a/makefile b/makefile
index e8864bb4..b16de2e1 100644
--- a/makefile
+++ b/makefile
@@ -80,11 +80,18 @@ $(PDF): %.pdf: %.tex %.aux
 %.d: %.sb
 	$(MAKE_SONGBOOK) -s $< -d -o $@
 
-include $(SONGBOOKS:%.sb=%.d)
-
 %.pdf: %.ly
 	@$(LILYPOND) --output=$(@:%.pdf=%) $<
 	@rm $(@:%.pdf=%.ps)
 
 $(CHORDS): $(CHORDS_SRC)
 	$(MAKE_CHORDS) -o $@
+
+
+ifeq (.pdf,$(suffix $(MAKECMDGOALS)))
+include $(MAKECMDGOALS:%.pdf=%.d)
+else ifneq ($(MAKECMDGOALS),clean)
+  ifneq ($(MAKECMDGOALS),cleanall)
+  include $(TARGETS:%=%.d)
+  endif
+endif