From: Emden Gansner <erg@research.att.com>
Date: Fri, 4 Jan 2013 18:42:44 +0000 (-0500)
Subject: Some flex insert an explicit declaration for isatty(), so the previous
X-Git-Tag: LAST_LIBGRAPH~32^2~257
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=7209db149e7c6bd760c17fd9f6d36e1bf98800f1;p=graphviz

Some flex insert an explicit declaration for isatty(), so the previous
fix of
#define isatty(x) 0
fails. Add action to strip out the declaration when generating scan.c.
---

diff --git a/lib/cgraph/Makefile.am b/lib/cgraph/Makefile.am
index 241ef97a5..c42d947c1 100644
--- a/lib/cgraph/Makefile.am
+++ b/lib/cgraph/Makefile.am
@@ -33,7 +33,7 @@ scan.o scan.lo: scan.c grammar.h
 
 scan.c: $(top_srcdir)/lib/cgraph/scan.l
 	@LEX@ -i $(top_srcdir)/lib/cgraph/scan.l
-	@SED@ "s/yy/aag/g" < @LEX_OUTPUT_ROOT@.c > scan.c
+	@SED@ "s/yy/aag/g" < @LEX_OUTPUT_ROOT@.c | @SED@ '/extern.*isatty/d' > scan.c
 	rm @LEX_OUTPUT_ROOT@.c
 
 grammar.c: y.tab.c