From 0629e0d5a4234e90e7d34b70cc8bea0c21943736 Mon Sep 17 00:00:00 2001
From: Arun Isaac
Date: Fri, 5 Nov 2021 16:54:47 +0530
Subject: Makefile: Create doc directory before populating it.

* Makefile.am (doc/.dirstamp): New target.
($(DOC_IMAGES:.png=.dot), $(DOC_OUT)): Depend on doc/.dirstamp.
(CLEAN_DIRECTORIES): Add doc/.dirstamp.
---
 Makefile.am | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/Makefile.am b/Makefile.am
index 614e679..9098334 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -100,9 +100,15 @@ EXTRA_DIST +=			\
 
 include .depends
 
-CLEANFILES += $(DOC_SCM:.scm=.cwl) $(DOC_IMAGES) $(DOC_IMAGES:.png=.dot) $(DOC_OUT)
+CLEANFILES += doc/.dirstamp $(DOC_SCM:.scm=.cwl) $(DOC_IMAGES) $(DOC_IMAGES:.png=.dot) $(DOC_OUT)
 CLEAN_DIRECTORIES = doc/cwl-output
 
+doc/.dirstamp:
+	@$(MKDIR_P) $(dir $@)
+	@: > $@
+
+$(DOC_IMAGES:.png=.dot) $(DOC_OUT): doc/.dirstamp
+
 %.cwl: %.scm
 	$(CCWL_GEN)$(builddir)/pre-inst-env ccwl compile $< > $@
 
-- 
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