From: ellson <devnull@localhost>
Date: Mon, 10 Jan 2005 18:59:42 +0000 (+0000)
Subject: fix build race condition with yacc output files - use same technique as other yacc... 
X-Git-Tag: LAST_LIBGRAPH~32^2~8106
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=43ea145d899e2ac09afcdaf2b3deb904a1672065;p=graphviz

fix build race condition with yacc output files - use same technique as other yacc uses in graphviz
---

diff --git a/cmd/lefty/dot2l/Makefile.am b/cmd/lefty/dot2l/Makefile.am
index 5b60863a6..f26aafdde 100644
--- a/cmd/lefty/dot2l/Makefile.am
+++ b/cmd/lefty/dot2l/Makefile.am
@@ -13,9 +13,14 @@ libdot2l_la_SOURCES = dot2l.c dotlex.c dotparse.y dottrie.c
 
 dotlex.o dotlex.lo : dotparse.h
 
-dotparse.c : dotparse.y
+dotparse.c : y.output
+	cat < y.tab.c > dotparse.c
 
-dotparse.h : dotparse.c
+dotparse.h : y.output
+	cat < y.tab.h > dotparse.h
+
+y.output: $(top_srcdir)/cmd/lefty/dot2l/dotparse.y
+	@YACC@ -dv $(top_srcdir)/cmd/lefty/dot2l/dotparse.y
 
 # this is a home-made tool
 # trie.c : trie_input